<?php
/**
 * WordPress booster V 3.1 by tagDiv
 */

do_action('td_wp_booster_before');  //@todo is probably not used by anyone


// admin notices
require_once('td_admin_notices.php');

// theme utility files
require_once('td_global.php');
require_once('td_options.php');

//td_global::$td_options = get_option(TD_THEME_OPTIONS_NAME); //read the theme settings once

require_once('td_util.php');


// load the wp_booster_api
require_once('td_api.php');


// @todo 22.07.2016 - this should run on the td_global_after hook. BUT it should be first on that hook
// I've checked td_global, td_util & td_api and it's safe to load this here for pathing the td_global::$td_options
require_once('wp-admin/panel/panel_core/td_panel_data_source.php');

if (td_util::is_amp_plugin_installed()) {
    require_once AMP__DIR__ . "/templates/functions.php";
}

// Was moved before 'td_global_after' hook, to allow api to get fonts
require_once("td_fonts.php");           // no autoload - fonts support

require_once('td_first_install.php');   // no autoload - the code that runs on the first install of the theme


// hook here to use the theme api
do_action('td_global_after');


require_once('td_global_blocks.php');   // no autoload -
//require_once('td_menu.php');            // theme menu support


locate_template('includes/wp_booster/td_menu.php', true);   // theme menu support
td_api_autoload::add('td_nav_menu_edit_walker', td_global::$get_template_directory . '/includes/wp_booster/td_menu_back.php');


require_once('td_social_icons.php');    // no autoload (almost always needed) - The social icons
require_once('td_js_buffer.php');       // no autoload - the theme always outputs JS form this buffer
require_once('td_unique_posts.php');    // no autoload - unique posts (uses hooks + do_action('td_wp_boost_new_module'); )
require_once('td_module.php');          // module builder
require_once('td_block.php');           // block builder
require_once('td_cake.php');
require_once('td_js_generator.php');    // no autoload - the theme always outputs JS
require_once('td_block_widget.php');    // no autoload - used to make widgets from our blocks
require_once('td_background.php');      // background support - is not autoloaded due to issues
require_once('td_background_render.php');
require_once('td_style.php');           // - base class for block' styles


require_once('td_autoload_classes.php');  //used to autoload classes [modules, blocks]
// Every class after this (that has td_ in the name) is auto loaded only when it's required
td_api_autoload::add('td_log', td_global::$get_template_directory . '/includes/wp_booster/td_log.php');
td_api_autoload::add('td_css_inline', td_global::$get_template_directory . '/includes/wp_booster/td_css_inline.php');
td_api_autoload::add('td_login', td_global::$get_template_directory . '/includes/wp_booster/td_login.php');
td_api_autoload::add('td_category_template', td_global::$get_template_directory . '/includes/wp_booster/td_category_template.php');
td_api_autoload::add('td_category_top_posts_style', td_global::$get_template_directory . '/includes/wp_booster/td_category_top_posts_style.php');
td_api_autoload::add('td_page_generator', td_global::$get_template_directory . '/includes/wp_booster/td_page_generator.php');   //not used on some homepages
td_api_autoload::add('td_block_layout', td_global::$get_template_directory . '/includes/wp_booster/td_block_layout.php');
td_api_autoload::add('td_template_layout', td_global::$get_template_directory . '/includes/wp_booster/td_template_layout.php');
td_api_autoload::add('td_css_compiler', td_global::$get_template_directory . '/includes/wp_booster/td_css_compiler.php');
td_api_autoload::add('td_css_res_compiler', td_global::$get_template_directory . '/includes/wp_booster/td_css_res_compiler.php');
td_api_autoload::add('td_module_single_base', td_global::$get_template_directory . '/includes/wp_booster/td_module_single_base.php');
td_api_autoload::add('td_smart_list', td_global::$get_template_directory . '/includes/wp_booster/td_smart_list.php');
td_api_autoload::add('td_remote_cache', td_global::$get_template_directory . '/includes/wp_booster/td_remote_cache.php');
td_api_autoload::add('td_remote_http', td_global::$get_template_directory . '/includes/wp_booster/td_remote_http.php');
td_api_autoload::add('td_weather', td_global::$get_template_directory . '/includes/wp_booster/td_weather.php');
td_api_autoload::add('td_exchange', td_global::$get_template_directory . '/includes/wp_booster/td_exchange.php');
td_api_autoload::add('td_instagram', td_global::$get_template_directory . '/includes/wp_booster/td_instagram.php');
td_api_autoload::add('td_pinterest', td_global::$get_template_directory . '/includes/wp_booster/td_pinterest.php');
td_api_autoload::add('td_remote_video', td_global::$get_template_directory . '/includes/wp_booster/td_remote_video.php');
td_api_autoload::add('td_css_buffer', td_global::$get_template_directory . '/includes/wp_booster/td_css_buffer.php');
td_api_autoload::add('td_data_source', td_global::$get_template_directory . '/includes/wp_booster/td_data_source.php');
td_api_autoload::add('td_help_pointers', td_global::$get_template_directory . '/includes/wp_booster/td_help_pointers.php');
td_api_autoload::add('td_block_template', td_global::$get_template_directory . '/includes/wp_booster/td_block_template.php');
td_api_autoload::add('td_social_sharing', td_global::$get_template_directory . '/includes/wp_booster/td_social_sharing.php');


/* ----------------------------------------------------------------------------
 * video thumbnail & featured video embeds support
 */
td_api_autoload::add('td_video_support', td_global::$get_template_directory . '/includes/wp_booster/td_video_support.php');
add_action('save_post', array('td_video_support', 'on_save_post_get_video_thumb'), 12 );
add_action('admin_notices', array('td_video_support', 'td_twitter_on_admin_notices') );
add_action('admin_notices', array('td_video_support', 'td_twitter_class_on_admin_notices') );


/* ----------------------------------------------------------------------------
 * more articles box
 */
td_api_autoload::add('td_more_article_box', td_global::$get_template_directory . '/includes/wp_booster/td_more_article_box.php');
add_action('wp_footer', array('td_more_article_box', 'on_wp_footer_render_box'));



/* ----------------------------------------------------------------------------
 * td_admin_popup
 */
//execute only if the admin_go_premium_popup flag is enabled and is not premium version of the ionmag theme
if (td_api_features::is_enabled('has_premium_version') && TD_DEPLOY_IS_PREMIUM === false) {
	td_api_autoload::add('td_admin_popup', td_global::$get_template_directory . '/includes/wp_booster/td_admin_popup.php');
	add_action('admin_footer', array('td_admin_popup', 'on_admin_footer'));
}


/* ----------------------------------------------------------------------------
 * PageView support
 */
td_api_autoload::add('td_page_views', td_global::$get_template_directory . '/includes/wp_booster/td_page_views.php');
add_filter('manage_post_posts_columns', array('td_page_views', 'on_manage_posts_columns_views'));
add_action('manage_post_posts_custom_column', array('td_page_views', 'on_manage_posts_custom_column'), 5, 2);


/* ----------------------------------------------------------------------------
 * JSON LD Breadcrumbs
 */
add_action('wp_head', array('td_page_generator', 'get_breadcrumbs_json_ld'), 45);


/* ----------------------------------------------------------------------------
 * Review support
 */
td_api_autoload::add('td_review', td_global::$get_template_directory . '/includes/wp_booster/td_review.php');
add_filter('save_post', array('td_review', 'on_save_post_update_review'), 11);



/* ----------------------------------------------------------------------------
 * Ajax support
 */
td_api_autoload::add('td_ajax', td_global::$get_template_directory . '/includes/wp_booster/td_ajax.php');
// ajax: block ajax hooks
add_action('wp_ajax_nopriv_td_ajax_block', array('td_ajax', 'on_ajax_block'));
add_action('wp_ajax_td_ajax_block',        array('td_ajax', 'on_ajax_block'));

// ajax: Renders loop pagination, for now used only on categories
add_action('wp_ajax_nopriv_td_ajax_loop', array('td_ajax', 'on_ajax_loop'));
add_action('wp_ajax_td_ajax_loop',        array('td_ajax', 'on_ajax_loop'));

// ajax: site wide search
add_action('wp_ajax_nopriv_td_ajax_search', array('td_ajax', 'on_ajax_search'));
add_action('wp_ajax_td_ajax_search',        array('td_ajax', 'on_ajax_search'));

// ajax: login window login
add_action('wp_ajax_nopriv_td_mod_login', array('td_ajax', 'on_ajax_login'));
add_action('wp_ajax_td_mod_login',        array('td_ajax', 'on_ajax_login'));

// ajax: login window register
add_action('wp_ajax_nopriv_td_mod_register', array('td_ajax', 'on_ajax_register'));
add_action('wp_ajax_td_mod_register',        array('td_ajax', 'on_ajax_register'));

// ajax: login window remember pass?
add_action('wp_ajax_nopriv_td_mod_remember_pass', array('td_ajax', 'on_ajax_remember_pass'));
add_action('wp_ajax_td_mod_remember_pass',        array('td_ajax', 'on_ajax_remember_pass'));

// ajax: update views - via ajax only when enable in panel
add_action('wp_ajax_nopriv_td_ajax_update_views', array('td_ajax', 'on_ajax_update_views'));
add_action('wp_ajax_td_ajax_update_views',        array('td_ajax', 'on_ajax_update_views'));

// ajax: get views - via ajax only when enabled in panel
add_action('wp_ajax_nopriv_td_ajax_get_views', array('td_ajax', 'on_ajax_get_views'));
add_action('wp_ajax_td_ajax_get_views',        array('td_ajax', 'on_ajax_get_views'));


// Secure Ajax
add_action('wp_ajax_td_ajax_new_sidebar', array('td_ajax', 'on_ajax_new_sidebar'));        // ajax: admin panel - new sidebar #sec
add_action('wp_ajax_td_ajax_delete_sidebar', array('td_ajax', 'on_ajax_delete_sidebar'));  // ajax: admin panel - delete sidebar #sec

//ajax: translation
add_action('wp_ajax_td_ajax_share_translation', array('td_ajax', 'on_ajax_share_translation')); // ajax: share translations
add_action('wp_ajax_td_ajax_get_translation', array('td_ajax', 'on_ajax_get_translation')); // ajax: get translations

//ajax: activation
add_action('wp_ajax_td_ajax_check_envato_code', array('td_ajax', 'on_ajax_check_envato_code'));
add_action('wp_ajax_td_ajax_register_forum_user', array('td_ajax', 'on_ajax_register_forum_user'));
add_action('wp_ajax_td_ajax_manual_activation', array('td_ajax', 'on_ajax_manual_activation'));

//ajax: db check
add_action('wp_ajax_td_ajax_db_check', array('td_ajax', 'on_ajax_db_check'));



//// @todo MUST
//add_action('wp_footer', 'td_wp_footer_debug');
//function td_wp_footer_debug() {
//	td_api_base::_debug_show_autoloaded_components();
//}




if (TD_DEBUG_IOS_REDIRECT) {
	require_once('td_ios_redirect.php' );
}


// at this point it's not safe to update the Theme API because it's already used
do_action('td_wp_booster_loaded'); //used by our plugins



/* ----------------------------------------------------------------------------
 * Add theme support for features
 */
add_theme_support('post-thumbnails');
add_theme_support('post-formats', array('video'));
add_theme_support('automatic-feed-links');
add_theme_support('html5', array('comment-list', 'comment-form', 'search-form', 'gallery', 'caption'));
add_theme_support('woocommerce');
add_theme_support('bbpress');


/*
 * front end js composer file @todo - check it why is this way
 * without this code - on newsmag the composer.min.css is loaded in footer and overwrite our style.css from head (this happens only on other pages like categoris or post - on frontpage works fine)
 */
add_action('wp_enqueue_scripts',  'load_js_composer_front', 1000);
function load_js_composer_front() {
	wp_enqueue_style('js_composer_front');
}

/* ----------------------------------------------------------------------------
 * front end css files
 */
add_action('wp_enqueue_scripts', 'load_front_css', 1001);   // 1001 priority because visual composer uses 1000
function load_front_css() {



	$demo_id = td_util::get_loaded_demo_id();


	if (TD_DEBUG_USE_LESS) {
		wp_enqueue_style('td-theme', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=style.css_v2',  '', TD_THEME_VERSION, 'all' );

		// load WooCommerce LESS only when needed
		if (td_global::$is_woocommerce_installed === true ) {
			wp_enqueue_style('td-theme-woo', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=woocommerce', '', TD_THEME_VERSION, 'all');
		}
		// load Bbpress LESS only when needed
		if (td_global::$is_bbpress_installed === true ) {
			wp_enqueue_style('td-theme-bbpress', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=bbpress', '', TD_THEME_VERSION, 'all');
		}

		if ($demo_id !== false and td_global::$demo_list[$demo_id]['uses_custom_style_css'] === true) {
			wp_enqueue_style('td-theme-demo-style', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=' . $demo_id, '', TD_THEME_VERSION, 'all');
		}
	} else {
		wp_enqueue_style('td-theme', get_stylesheet_uri(), '', TD_THEME_VERSION, 'all' );

		// load the WooCommerce CSS only when needed
		if (td_global::$is_woocommerce_installed === true ) {
			wp_enqueue_style('td-theme-woo', td_global::$get_template_directory_uri . '/style-woocommerce.css',  '', TD_THEME_VERSION, 'all' );
		}

		// load the Bbpress CSS only when needed
		if (td_global::$is_bbpress_installed === true ) {
			wp_enqueue_style('td-theme-bbpress', td_global::$get_template_directory_uri . '/style-bbpress.css',  '', TD_THEME_VERSION, 'all' );
		}

		// If we have a DEMO installed - load the demo CSS
		if ($demo_id !== false and td_global::$demo_list[$demo_id]['uses_custom_style_css'] === true) {
			wp_enqueue_style('td-theme-demo-style', td_global::$get_template_directory_uri . '/includes/demos/' . $demo_id . '/demo_style.css', '', TD_THEME_VERSION, 'all');
		}

	}
}

/** ---------------------------------------------------------------------------
 * front end user compiled css @see  td_css_generator.php
 */
function td_include_user_compiled_css() {
	if (!is_admin()) {

		// add the global css compiler
		if (TD_DEPLOY_MODE == 'dev') {
			$compiled_css = td_css_generator();   // get it live WARNING - it will always appear as autoloaded on DEV
		} else {
			$compiled_css = td_util::get_option('tds_user_compile_css');   // get it from the cache - do not compile at runtime
		}



		if (!empty($compiled_css)) {
			td_css_buffer::add_to_header($compiled_css);
		}


		$demo_state = td_util::get_loaded_demo_id();
		if ($demo_state !== false) {
			if (td_global::$demo_list[$demo_state]['td_css_generator_demo'] === true) {
				require_once(td_global::$demo_list[$demo_state]['folder'] . 'td_css_generator_demo.php');
				$demo_compiled_css = td_css_demo_gen();
				if (!empty($demo_compiled_css)) {
					td_css_buffer::add_to_header(PHP_EOL . PHP_EOL . PHP_EOL .'/* Style generated by theme for demo: ' . $demo_state . ' */'  . PHP_EOL);
					td_css_buffer::add_to_header($demo_compiled_css);
				}
			}
		}

	}
}
add_action('wp_head', 'td_include_user_compiled_css', 10);


/* ----------------------------------------------------------------------------
 * CSS fonts / google fonts in front end
 *
 * this function reads the google fonts used by user and all needed info and
 * builds the FULL google font url for ALL fonts including the default ones from td_config to: td_fonts_css_files
 * @since 10.1.2017
 */
add_action('wp_enqueue_scripts', 'td_load_css_fonts');
function td_load_css_fonts() {

	$cur_td_fonts = td_options::get_array('td_fonts'); // get the google fonts used by user

	$unique_google_fonts_ids = array();

	//filter the google fonts used by user
	if (!empty($cur_td_fonts)) {

		foreach ( $cur_td_fonts as $section_font_settings ) {
			if ( isset( $section_font_settings['font_family'] ) ) {
				$explode_font_family = explode( '_', $section_font_settings['font_family'] );
				if ( $explode_font_family[0] == 'g' ) {
					$unique_google_fonts_ids[] = $explode_font_family[1];
				}
			}
		}
	}

	$extra_google_fonts_ids = array();

	// Filter used to modify the post checked for icon fonts
	$post_id = apply_filters( 'td_filter_google_fonts_post_id', get_the_ID() );

	$tds_footer_page = td_util::get_option('tds_footer_page');
	if ( intval($tds_footer_page) !== $post_id ) {
		$footer_page = get_post( $tds_footer_page );
		if ( $footer_page instanceof WP_Post ) {
			$footer_google_fonts_ids = get_post_meta( $footer_page->ID, 'tdc_google_fonts', true );
			if ( ! empty( $footer_google_fonts_ids ) && is_array( $footer_google_fonts_ids ) ) {
				foreach ( $footer_google_fonts_ids as $footer_google_fonts_id ) {
					$extra_google_fonts_ids[] = $footer_google_fonts_id;
				}
			}
		}
	}

	// 'td_filter_google_fonts' - custom hook used to add google fonts from extra source
	$extra_google_fonts_ids = apply_filters( 'td_filter_google_fonts', $extra_google_fonts_ids );

	$post_google_fonts_ids = get_post_meta( $post_id, 'tdc_google_fonts', true);
	if ( ! empty( $post_google_fonts_ids ) && is_array( $post_google_fonts_ids ) ) {
		foreach ( $post_google_fonts_ids as $post_google_fonts_id ) {
			$extra_google_fonts_ids[] = $post_google_fonts_id;
		}
	}

	// remove duplicated font ids
	$unique_google_fonts_ids = array_unique( array_merge( $unique_google_fonts_ids, $extra_google_fonts_ids ));


	//used to pull fonts from google
	$td_fonts_css_files = '://fonts.googleapis.com/css?family=' . td_fonts::get_google_fonts_names($unique_google_fonts_ids) . td_fonts::get_google_fonts_subset_query();

	/*
	 * add the google link for fonts used by user
	 * td_fonts_css_files: holds the link to fonts.googleapis.com built above
	 * this section will appear in the header of the source of the page
	 */
	if(!empty($td_fonts_css_files) && td_options::get('g_use_google_fonts') !== 'disabled') {
		wp_enqueue_style( 'google-fonts-style', td_global::$http_or_https . $td_fonts_css_files, array(), TD_THEME_VERSION );
	}
}




/* ----------------------------------------------------------------------------
 * front end javascript files
 */
add_action('wp_enqueue_scripts', 'load_front_js');
function load_front_js() {
	$td_deploy_mode = TD_DEPLOY_MODE;

	//switch the deploy mode to demo if we have tagDiv speed booster
	if (defined('TD_SPEED_BOOSTER')) {
		$td_deploy_mode = 'demo';
	}

	if ($td_deploy_mode == 'dev') {
        // dev version - load each file separately
        $last_js_file_id = '';
        foreach (td_global::$js_files as $js_file_id => $js_file) {
            if ($last_js_file_id == '') {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file, array('jquery'), TD_THEME_VERSION, true); //first, load it with jQuery dependency
            } else {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file, array($last_js_file_id), TD_THEME_VERSION, true);  //not first - load with the last file dependency
            }
            $last_js_file_id = $js_file_id;
        }
    } else {
        wp_enqueue_script('td-site-min', td_global::$get_template_directory_uri . '/js/tagdiv_theme.min.js', array('jquery'), TD_THEME_VERSION, true);
    }



	//add the comments reply to script on single pages
	if (is_singular()) {
		wp_enqueue_script('comment-reply');
	}
}




/* ----------------------------------------------------------------------------
 * css for wp-admin / backend
 */
add_action('admin_enqueue_scripts', 'load_wp_admin_css');
function load_wp_admin_css() {
	//load the panel font in wp-admin
	$td_protocol = is_ssl() ? 'https' : 'http';
	wp_enqueue_style('google-font-ubuntu', $td_protocol . '://fonts.googleapis.com/css?family=Ubuntu:300,400,500,700,300italic,400italic,500italic,700italic&amp;subset=latin,cyrillic-ext,greek-ext,greek,latin-ext,cyrillic'); //used on content
	if (TD_DEPLOY_MODE == 'dev') {
		wp_enqueue_style('td-wp-admin-td-panel-2', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=wp-admin.css', false, TD_THEME_VERSION, 'all' );
		wp_enqueue_style('font-newspaper', td_global::$get_template_directory_uri . '/td_less_style.css.php?part=font-newspaper', TD_THEME_VERSION, 'all');
	} else {
		wp_enqueue_style('td-wp-admin-td-panel-2', td_global::$get_template_directory_uri . '/includes/wp_booster/wp-admin/css/wp-admin.css', false, TD_THEME_VERSION, 'all' );
		wp_enqueue_style('font-newspaper', td_global::$get_template_directory_uri . '/font-newspaper.css', false, TD_THEME_VERSION, 'all' );
	}


	//load the colorpicker
	wp_enqueue_style( 'wp-color-picker' );

	// load the media library - necessary for block widgets with image params
	wp_enqueue_media();
}




/* ----------------------------------------------------------------------------
 * farbtastic color picker CSS and JS for wp-admin / backend - loaded only in the widgets screen. Is used by our widget builder!
 */
function td_on_admin_print_scripts_farbtastic() {
	wp_enqueue_script('farbtastic');
}
function td_on_admin_print_styles_farbtastic() {
	wp_enqueue_style('farbtastic');
}
add_action('admin_print_scripts-widgets.php', 'td_on_admin_print_scripts_farbtastic');
add_action('admin_print_styles-widgets.php', 'td_on_admin_print_styles_farbtastic');




/* ----------------------------------------------------------------------------
 * js for wp-admin / backend   admin js - we use this strange thing to make sure that our scripts are depended on each other
 * and appear one after another exactly like we add them in td_global.php
 */
add_action('admin_enqueue_scripts', 'load_wp_admin_js');
function load_wp_admin_js() {

    if (TD_DEPLOY_MODE == 'dev') {
        // dev version - load each file separately
        $last_js_file_id = '';
        foreach (td_global::$js_files_for_wp_admin as $js_file_id => $js_file_params) {
            if ($last_js_file_id == '') {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file_params, array('jquery', 'wp-color-picker'), TD_THEME_VERSION, false); //first, load it with jQuery dependency
            } else {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file_params, array($last_js_file_id), TD_THEME_VERSION, false);  //not first - load with the last file dependency
            }
            $last_js_file_id = $js_file_id;
        }
    } else {
        wp_enqueue_script('td-wp-admin-js', td_global::$get_template_directory_uri . '/js/td_wp_admin.min.js', array('jquery', 'wp-color-picker'), TD_THEME_VERSION, false);
    }



    if (isset($_GET['page']) && $_GET['page'] === 'td_theme_panel') {
        $last_js_file_id = '';
        foreach (td_global::$js_files_for_td_theme_panel as $js_file_id => $js_file_params) {
            if ($last_js_file_id == '') {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file_params, array('jquery', 'wp-color-picker'), TD_THEME_VERSION, false); //first, load it with jQuery dependency
            } else {
                wp_enqueue_script($js_file_id, td_global::$get_template_directory_uri . $js_file_params, array($last_js_file_id), TD_THEME_VERSION, false);  //not first - load with the last file dependency
            }
            $last_js_file_id = $js_file_id;
        }

    }


	add_thickbox();
}


/*
 * set media-upload is loaded js global
 * used by tdConfirm.js
 */
add_action('admin_print_footer_scripts', 'check_if_media_uploads_is_loaded', 9999);
function check_if_media_uploads_is_loaded() {
	$wp_scripts = wp_scripts();
    $media_upload = $wp_scripts->query('media-upload', 'done');
    if ($media_upload === true) {
        //td_js_buffer::add_to_wp_admin_footer('var td_media_upload_loaded = true;');
        //echo '<script>var td_media_upload_loaded = true;</script>';
        echo '<script>tdConfirm.mediaUploadLoaded = true;</script>';
    }
}

/* ----------------------------------------------------------------------------
 * Prepare the head canonical links on smart lists and pages with pagination.
 * @see https://googlewebmastercentral.blogspot.de/2011/09/pagination-with-relnext-and-relprev.html
 *
 * FOR THE MOMENT, the canonical links will be applied (Uncomment the wp hook) only at the clients' requirement.
 */
//add_action('wp_head', 'td_on_wp_head_canonical',  1);
function td_on_wp_head_canonical(){

	global $post;
	$td_smart_list = td_util::get_post_meta_array($post->ID, 'td_post_theme_settings');

	/** ----------------------------------------------------------------------------
	 * Smart list support. class_exists and new object WORK VIA AUTOLOAD
	 * @see td_autoload_classes::loading_classes
	 */
	if (!empty($td_smart_list['smart_list_template'])) {

		$td_smart_list_class = $td_smart_list['smart_list_template'];
		if (class_exists($td_smart_list_class)) {

			global $paged, $page;
			$td_page = max($paged, $page);

			$content = $post->post_content;
			$content = apply_filters('the_content', $content);
			$content = str_replace(']]>', ']]&gt;', $content);

			// Remove the wp action links
			remove_action('wp_head', 'rel_canonical');
			remove_action('wp_head', 'adjacent_posts_rel_link_wp_head');

			if (class_exists('WPSEO_Frontend')) {
				// Remove the canonical action of the Yoast SEO plugin
				remove_action( 'wpseo_head', array( WPSEO_Frontend::get_instance(), 'canonical' ), 20 );
			}

			// For the first page, there is no page setting, so we use 1
			if ($td_page === 0) {
				$td_page = 1;
			}

			/**
			 * @var $td_smart_list_obj td_smart_list
			 */
			$td_smart_list_obj = new $td_smart_list_class();  // make the class from string * magic :)

			// prepare the settings for the smart list
			$smart_list_settings = array(
				'post_content' => $content,
				'counting_order_asc' => false,
				'td_smart_list_h' => 'h3',
				'extract_first_image' => td_api_smart_list::get_key($td_smart_list_class, 'extract_first_image')
			);

			if (!empty($td_smart_list['td_smart_list_order'])) {
				$smart_list_settings['counting_order_asc'] = true;
			}

			if (!empty($td_smart_list['td_smart_list_h'])) {
				$smart_list_settings['td_smart_list_h'] = $td_smart_list['td_smart_list_h'];
			}

			$list_items = $td_smart_list_obj->get_formatted_list_items($smart_list_settings);

			if (array_key_exists('list_items', $list_items) && !empty($list_items['list_items'])) {
				$count_items = count($list_items['list_items']);
				foreach ($list_items['list_items'] as $list_item) {
					if ($td_page == $list_item['current_item_number']) {
						echo '<link rel="canonical" href="' . $td_smart_list_obj->_wp_link_page($td_page) . '"/>';
						if ($td_page > 1) {
							echo '<link rel="prev" href="' . $td_smart_list_obj->_wp_link_page($td_page - 1) . '"/>';
						}
						if ($td_page < $count_items) {
							echo '<link rel="next" href="' . $td_smart_list_obj->_wp_link_page($td_page + 1) . '"/>';
						}
						break;
					}
				}
			}
		}

	} else if (is_page() && 'page-pagebuilder-latest.php' === get_post_meta($post->ID, '_wp_page_template', true)) {

		$td_page = get_query_var('page') ? get_query_var('page') : 1; //rewrite the global var
		$td_paged = get_query_var('paged') ? get_query_var('paged') : 1; //rewrite the global var

		$td_page = intval($td_page);
		$td_paged = intval($td_paged);

		//paged works on single pages, page - works on homepage
		if ($td_paged > $td_page) {
			$paged = $td_paged;
		} else {
			$paged = $td_page;
		}

		global $wp_query;

		$td_homepage_loop = td_util::get_post_meta_array($post->ID, 'td_homepage_loop');
		query_posts(td_data_source::metabox_to_args($td_homepage_loop, $paged));

		$max_page = $wp_query->max_num_pages;

		// Remove the wp action links
		remove_action('wp_head', 'rel_canonical');
		remove_action('wp_head', 'adjacent_posts_rel_link_wp_head');

		if (class_exists('WPSEO_Frontend')) {
			// Remove the canonical action of the Yoast SEO plugin
			remove_action( 'wpseo_head', array( WPSEO_Frontend::get_instance(), 'canonical' ), 20 );
		}

		echo '<link rel="canonical" href="' . get_pagenum_link($paged) . '"/>';

		if ($paged > 1) {
			echo '<link rel="prev" href="' . get_pagenum_link($paged - 1) . '"/>';
		}
		if ($paged < $max_page) {
			echo '<link rel="next" href="' . get_pagenum_link($paged + 1) . '"/>';
		}
		wp_reset_query();
	}
}



/* ----------------------------------------------------------------------------
 * Prepare head related links
 */
add_action('wp_head', 'hook_wp_head', 1);  //hook on wp_head -> 1 priority, we are first
function hook_wp_head() {
	if (is_single()) {
		global $post;

		// facebook sharing fix for videos, we add the custom meta data
		if (has_post_thumbnail($post->ID)) {
			$td_image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );
			if (!empty($td_image[0])) {
				echo '<meta property="og:image" content="' .  $td_image[0] . '" />';
			}
		}

		// show author meta tag on single pages if it's not disabled from theme's panel
		// this is not used by facebook anymore and it generates error in facebook's sharing debugger
		// removed the comment if needed
//		if (td_util::get_option('tds_p_show_author_name') != 'hide') {
//			$td_post_author = get_the_author_meta('display_name', $post->post_author);
//			if ($td_post_author) {
//				echo '<meta name="author" content="' . $td_post_author . '">' . "\n";
//			}
//		}
	}

	// fav icon support
	$tds_favicon_upload = td_util::get_option('tds_favicon_upload');
	if (!empty($tds_favicon_upload)) {
		echo '<link rel="icon" type="image/png" href="' . $tds_favicon_upload . '">';
	}


	// ios bookmark icon support
	$tds_ios_76 = td_util::get_option('tds_ios_icon_76');
	$tds_ios_120 = td_util::get_option('tds_ios_icon_120');
	$tds_ios_152 = td_util::get_option('tds_ios_icon_152');
	$tds_ios_114 = td_util::get_option('tds_ios_icon_114');
	$tds_ios_144 = td_util::get_option('tds_ios_icon_144');

	if(!empty($tds_ios_76)) {
		echo '<link rel="apple-touch-icon-precomposed" sizes="76x76" href="' . $tds_ios_76 . '"/>';
	}

	if(!empty($tds_ios_120)) {
		echo '<link rel="apple-touch-icon-precomposed" sizes="120x120" href="' . $tds_ios_120 . '"/>';
	}

	if(!empty($tds_ios_152)) {
		echo '<link rel="apple-touch-icon-precomposed" sizes="152x152" href="' . $tds_ios_152 . '"/>';
	}

	if(!empty($tds_ios_114)) {
		echo '<link rel="apple-touch-icon-precomposed" sizes="114x114" href="' . $tds_ios_114 . '"/>';
	}

	if(!empty($tds_ios_144)) {
		echo '<link rel="apple-touch-icon-precomposed" sizes="144x144" href="' . $tds_ios_144 . '"/>';
	}


	$tds_login_sing_in_widget = td_util::get_option('tds_login_sign_in_widget');
	if (!empty($tds_login_sing_in_widget)) {
		td_js_buffer::add_variable('tds_login_sing_in_widget', $tds_login_sing_in_widget);
	}



	// js variable td_viewport_interval_list added to the window object
	td_js_buffer::add_variable('td_viewport_interval_list', td_global::$td_viewport_intervals);



	// @todo aici se va schimba setarea, iar userii isi pierd setarea existenta
	// lazy loading images - animation effect
	//$tds_lazy_loading_image = td_util::get_option('tds_lazy_loading_image');
	$tds_animation_stack = td_util::get_option('tds_animation_stack');

	// the body css supplementary classes and the global js animation effects variables are set only if the option 'tds_animation_stack' is set
	if (empty($tds_animation_stack)) {

		// js variable td_animation_stack_effect added to the window object
		$td_animation_stack_effect_type = 'type0';
		if (td_options::get('tds_animation_stack_effect') != '' ) {
			$td_animation_stack_effect_type = td_options::get('tds_animation_stack_effect');
		}

		td_js_buffer::add_variable('td_animation_stack_effect', $td_animation_stack_effect_type);
		td_js_buffer::add_variable('tds_animation_stack', true);

		foreach (td_global::$td_animation_stack_effects as $td_animation_stack_effect) {
			if ((($td_animation_stack_effect['val'] == '') and ($td_animation_stack_effect_type == 'type0')) ||
			    ($td_animation_stack_effect['val'] == $td_animation_stack_effect_type)) {

				td_js_buffer::add_variable('td_animation_stack_specific_selectors', $td_animation_stack_effect['specific_selectors']);
				td_js_buffer::add_variable('td_animation_stack_general_selectors', $td_animation_stack_effect['general_selectors']);

				break;
			}
		}
		add_filter('body_class','td_hook_add_custom_body_class');
	}

	$tds_general_modal_image = td_util::get_option('tds_general_modal_image');

	if (!empty($tds_general_modal_image)) {
		td_js_buffer::add_variable('tds_general_modal_image', $tds_general_modal_image);
	}
}


/** ----------------------------------------------------------------------------
 * The function hook to alter body css classes.
 * It applies the necessary animation images effect to body @see animation-stack.less
 *
 * @param $classes
 *
 * @return array
 */
function td_hook_add_custom_body_class($classes) {

	if (td_options::get('tds_animation_stack') == '') {

		$td_animation_stack_effect_type = 'type0';
		if (td_options::get('tds_animation_stack_effect') != '') {
			$td_animation_stack_effect_type = td_options::get('tds_animation_stack_effect');
		}

		$classes[] = 'td-animation-stack-' . $td_animation_stack_effect_type;
	}
	return $classes;
}



/* ----------------------------------------------------------------------------
 * localization
 */
add_action('after_setup_theme', 'td_load_text_domains');
function td_load_text_domains() {
	load_theme_textdomain(TD_THEME_NAME, get_template_directory() . '/translation');

	// theme specific config values
	require_once('td_translate.php');

}




/* ----------------------------------------------------------------------------
    Custom <title> wp_title - seo
 */
add_filter( 'wp_title', 'td_wp_title', 10, 2 );
function td_wp_title( $title, $sep ) {
	global $paged, $page;

	if ( is_feed() )
		return $title;

	// Add the site name.
	$title .= get_bloginfo( 'name' );

	// Add the site description for the home/front page.
	$site_description = get_bloginfo( 'description', 'display' );
	if ( $site_description && ( is_home() || is_front_page() ) )
		$title = "$title $sep $site_description";

	// Add a page number if necessary.
	if ( $paged >= 2 || $page >= 2 )
		$title = "$title $sep " . __td('Page', TD_THEME_NAME) . ' ' .  max( $paged, $page );

	return $title;
}

/**
 * - filter 'wpseo_title' is used by WordPress SEO plugin and, by default, it returns a seo title that hasn't the page number inside of it,
 * when it's used on td pages [those who have a custom pagination]. At that seo title is added the page info, and just for pages greater than 1
 */
add_filter('wpseo_title', 'td_wpseo_title', 10, 1);
function td_wpseo_title($seo_title) {

	$is_smart_list = false;

	if (is_singular('post')) {
		global $post;

		$td_post_theme_settings = td_util::get_post_meta_array($post->ID, 'td_post_theme_settings');
		if (is_array($td_post_theme_settings) && array_key_exists('smart_list_template', $td_post_theme_settings)) {
			$is_smart_list = true;
		}
	}

	// outside the loop, it's reliable to check the page template
	if (!in_the_loop() && (is_page_template('page-pagebuilder-latest.php') || $is_smart_list)) {

		$td_page = (get_query_var('page')) ? get_query_var('page') : 1; //rewrite the global var
		$td_paged = (get_query_var('paged')) ? get_query_var('paged') : 1; //rewrite the global var

		if ($td_paged > $td_page) {
			$local_paged = $td_paged;
		} else {
			$local_paged = $td_page;
		}

		// the custom title is when the pagination is greater than 1
		if ($local_paged > 1) {
			return $seo_title . ' - ' . __td('Page', TD_THEME_NAME) . ' ' . $local_paged;
		}
	}

	// otherwise, the param $seo_title is returned as it is
	return $seo_title;
}




/**  ----------------------------------------------------------------------------
archive widget - adds .current class in the archive widget and maybe it's used in other places too!
 */
add_filter('get_archives_link', 'theme_get_archives_link');
function theme_get_archives_link ( $link_html ) {
	global $wp;
	static $current_url;
	if ( empty( $current_url ) ) {
		if ( isset ( $_SERVER ['QUERY_STRING'] ) ) {
			$current_url = esc_url( add_query_arg ( $_SERVER ['QUERY_STRING'], '', home_url ( $wp->request . '/' ) ) );
		} else {
			$current_url = esc_url ( home_url ( $wp->request . '/' ) );
		}
	}
	if ( stristr( $current_url, 'page' ) !== false ) {
		$current_url = substr($current_url, 0, strrpos($current_url, 'page'));
	}
	if ( stristr( $link_html, $current_url ) !== false ) {
		$link_html = preg_replace( '/(<[^\s>]+)/', '\1 class="current"', $link_html, 1 );
	}
	return $link_html;
}




/*  ----------------------------------------------------------------------------
    add span wrap for category number in widget
 */
add_filter('wp_list_categories', 'cat_count_span');
function cat_count_span($links) {
	$links = str_replace('</a> (', '<span class="td-widget-no">', $links);
	$links = str_replace(')', '</span></a>', $links);
	return $links;
}




/*  ----------------------------------------------------------------------------
    remove gallery style css
 */
add_filter( 'use_default_gallery_style', '__return_false' );




/*  ----------------------------------------------------------------------------
    editor style
 */
add_action( 'after_setup_theme', 'my_theme_add_editor_styles' );
function my_theme_add_editor_styles() {
	if (TD_DEPLOY_MODE == 'dev') {
		// we need the full url here due to a WP strange s*it with ?queries
		add_editor_style(get_stylesheet_directory_uri() . '/td_less_style.css.php?part=editor-style');
	} else {
		add_editor_style(); // add the default style
	}
}




/*  ----------------------------------------------------------------------------
    the bottom code for css
 */
add_action('wp_footer', 'td_bottom_code');
function td_bottom_code() {
	global $post;

	// try to detect speed booster
	$speed_booster = '';
	if (defined('TD_SPEED_BOOSTER')) {
		$speed_booster = 'Speed booster: ' . TD_SPEED_BOOSTER . "\n";
	}

	echo '

    <!--

        Theme: ' . TD_THEME_NAME .' by tagDiv.com 2017
        Version: ' . TD_THEME_VERSION . ' (rara)
        Deploy mode: ' . TD_DEPLOY_MODE . '
        ' . $speed_booster . '
        uid: ' . uniqid() . '
    -->

    ';


	// get and paste user custom css
	$td_custom_css = stripslashes(td_util::get_option('tds_custom_css'));


	// get the custom css for the responsive values
	$responsive_css_values = array();
	foreach (td_global::$theme_panel_custom_css_fields_list as $option_id => $css_params) {
		$responsive_css = td_util::get_option($option_id);
		if ($responsive_css != '') {
			$responsive_css_values[$css_params['media_query']] = $responsive_css;
		}
	}



	// check if we have to show any css
	if (!empty($td_custom_css) or count($responsive_css_values) > 0) {
		$css_buffy = PHP_EOL . '<!-- Custom css form theme panel -->';
		$css_buffy .= PHP_EOL . '<style type="text/css" media="screen">';

		//paste custom css
		if(!empty($td_custom_css)) {
			$css_buffy .= PHP_EOL . '/* custom css theme panel */' . PHP_EOL;
			$css_buffy .= $td_custom_css . PHP_EOL;
		}

		foreach ($responsive_css_values as $media_query => $responsive_css) {
			$css_buffy .= PHP_EOL . PHP_EOL . '/* custom responsive css from theme panel (Advanced CSS) */';
			$css_buffy .= PHP_EOL . $media_query . ' {' . PHP_EOL;
			$css_buffy .= $responsive_css;
			$css_buffy .= PHP_EOL . '}' . PHP_EOL;
		}
		$css_buffy .= '</style>' . PHP_EOL . PHP_EOL;

		// echo the css buffer
		echo $css_buffy;
	}

	//get and paste user custom html
	$td_custom_html = stripslashes(td_util::get_option('tds_custom_html'));
	if(!empty($td_custom_html)) {
		echo '<div class="td-container">' . $td_custom_html . '</div>';
	}

	//get and paste user custom javascript
	$td_custom_javascript = stripslashes(td_util::get_option('tds_custom_javascript'));
	if(!empty($td_custom_javascript)) {
		echo '<script type="text/javascript">'
		     .$td_custom_javascript.
		     '</script>';
	}

	//AJAX POST VIEW COUNT
	if(td_util::get_option('tds_ajax_post_view_count') == 'enabled') {

		//Ajax get & update counter views
		if(is_single()) {
			//echo 'post page: '.  $post->ID;
			if($post->ID > 0) {
				td_js_buffer::add_to_footer('
                jQuery().ready(function jQuery_ready() {
                    tdAjaxCount.tdGetViewsCountsAjax("post",' . json_encode('[' . $post->ID . ']') . ');
                });
            ');
			}
		}
	}




	if (TD_DEBUG_USE_LESS) {
		$style_sheet_path = td_global::$get_template_directory_uri . '/td_less_style.css.php?part=style.css_v2';
	} else {
		$style_sheet_path = get_stylesheet_uri();
	}

	/**
	 * javascript splitter js split for IE8 and IE9.
	 * It searches in the stylesheet for #td_css_split_separator and adds it in two pieces for ie8 ie9 selector bug
	 */
	ob_start();
	?>
	<script>

		(function(){
			var html_jquery_obj = jQuery('html');

			if (html_jquery_obj.length && (html_jquery_obj.is('.ie8') || html_jquery_obj.is('.ie9'))) {

				var path = '<?php echo $style_sheet_path; ?>';

				jQuery.get(path, function(data) {

					var str_split_separator = '#td_css_split_separator';
					var arr_splits = data.split(str_split_separator);
					var arr_length = arr_splits.length;

					if (arr_length > 1) {

						var dir_path = '<?php echo get_template_directory_uri() ?>';
						var splited_css = '';

						for (var i = 0; i < arr_length; i++) {
							if (i > 0) {
								arr_splits[i] = str_split_separator + ' ' + arr_splits[i];
							}
							//jQuery('head').append('<style>' + arr_splits[i] + '</style>');

							var formated_str = arr_splits[i].replace(/\surl\(\'(?!data\:)/gi, function regex_function(str) {
								return ' url(\'' + dir_path + '/' + str.replace(/url\(\'/gi, '').replace(/^\s+|\s+$/gm,'');
							});

							splited_css += "<style>" + formated_str + "</style>";
						}

						var td_theme_css = jQuery('link#td-theme-css');

						if (td_theme_css.length) {
							td_theme_css.after(splited_css);
						}
					}
				});
			}
		})();

	</script>
	<?php
	$script_buffer = ob_get_clean();
	$js_script = "\n". td_util::remove_script_tag($script_buffer);
	td_js_buffer::add_to_footer($js_script);
}




/*  ----------------------------------------------------------------------------
    google analytics and footer custom JS
 */
add_action('wp_head', 'td_header_analytics_code', 40);
function td_header_analytics_code() {
	$td_analytics = td_util::get_option('td_analytics');
	echo stripslashes($td_analytics);

}

add_action('wp_footer', 'td_footer_script_code', 40);
function td_footer_script_code() {
	$td_footer_code = td_util::get_option('td_footer_code');
	echo stripslashes($td_footer_code);
}



/*  ----------------------------------------------------------------------------
    Append page slugs to the body class
 */
add_filter('body_class', 'add_slug_to_body_class');
function add_slug_to_body_class( $classes ) {
	global $post;
	if( is_home() ) {
		$key = array_search( 'blog', $classes );
		if($key > -1) {
			unset( $classes[$key] );
		};
	} elseif( is_page() ) {
		$classes[] = sanitize_html_class( $post->post_name );
	} elseif(is_singular()) {
		$classes[] = sanitize_html_class( $post->post_name );
	};

	$i = 0;
	foreach ($classes as $key => $value) {
		$pos = strripos($value, 'span');
		if ($pos !== false) {
			unset($classes[$i]);
		}

		$pos = strripos($value, 'row');
		if ($pos !== false) {
			unset($classes[$i]);
		}

		$pos = strripos($value, 'container');
		if ($pos !== false) {
			unset($classes[$i]);
		}
		$i++;
	}
	$td_block_template_id = td_options::get('tds_global_block_template', 'td_block_template_1');
	$classes[] = str_replace('td', 'global', str_replace('_', '-', $td_block_template_id));
	return $classes;
}




/*  ----------------------------------------------------------------------------
    remove span row container classes from post_class()
 */
add_filter('post_class', 'add_slug_to_post_class');
function add_slug_to_post_class($classes) {
	global $post;

	// on custom post types, we add the .post class for better css compatibility
	if (is_single() and $post->post_type != 'post') {
		$classes[]= 'post';
	}

	$i = 0;
	foreach ($classes as $key => $value) {
		$pos = strripos($value, 'span');
		if ($pos !== false) {
			unset($classes[$i]);
		}

		$pos = strripos($value, 'row');
		if ($pos !== false) {
			unset($classes[$i]);
		}

		$pos = strripos($value, 'container');
		if ($pos !== false) {
			unset($classes[$i]);
		}
		$i++;
	}
	return $classes;
}




/*  -----------------------------------------------------------------------------
    Our custom admin bar
 */
add_action('admin_bar_menu', 'td_custom_menu', 1000);
function td_custom_menu() {
	global $wp_admin_bar;
	if(!is_super_admin() || !is_admin_bar_showing()) return;

	$wp_admin_bar->add_menu(array(
		'parent' => 'site-name',
		'title' => '<span class="td-admin-bar-red">Theme panel</span>',
		'href' => admin_url('admin.php?page=td_theme_panel'),
		'id' => 'td-menu1'
	));

	if (TD_THEME_NAME == "ionMag") {
        $wp_admin_bar->add_menu( array(
                'id'   => 'our_support_item',
                'meta' => array('title' => 'Theme support', 'target' => '_blank'),
                'title' => 'Theme support',
                'href' => 'https://www.wpion.com/members/' )
        );
    } else {
        $wp_admin_bar->add_menu( array(
                'id'   => 'our_support_item',
                'meta' => array('title' => 'Theme support', 'target' => '_blank'),
                'title' => 'Theme support',
                'href' => 'http://forum.tagdiv.com' )
        );
    }


}




/*  -----------------------------------------------------------------------------
 * Add prev and next links to a numbered link list - the pagination on single.
 */
add_filter('wp_link_pages_args', 'wp_link_pages_args_prevnext_add');
function wp_link_pages_args_prevnext_add($args)
{
	global $page, $numpages, $more, $pagenow;

	if (!$args['next_or_number'] == 'next_and_number')
		return $args; # exit early

	$args['next_or_number'] = 'number'; # keep numbering for the main part
	if (!$more)
		return $args; # exit early

	if($page-1) # there is a previous page
		$args['before'] .= _wp_link_page($page-1)
		                   . $args['link_before']. $args['previouspagelink'] . $args['link_after'] . '</a>'
		;

	if ($page<$numpages) # there is a next page
		$args['after'] = _wp_link_page($page+1)
		                 . $args['link_before'] . $args['nextpagelink'] . $args['link_after'] . '</a>'
		                 . $args['after']
		;

	return $args;
}




/*  -----------------------------------------------------------------------------
 * Add, on theme body element, the custom classes from Theme Panel -> Custom Css -> Custom Body class(s)
 */
add_filter('body_class','td_my_custom_class_names_on_body');
function td_my_custom_class_names_on_body($classes) {
	//get the custom classes from theme options
	$custom_classes = td_util::get_option('td_body_classes');

	if(!empty($custom_classes)) {
		// add 'custom classes' to the $classes array
		$classes[] = $custom_classes;
	}

	// return the $classes array
	return $classes;
}




/*  ----------------------------------------------------------------------------\
    used by ie8 - there is no other way to add js for ie8 only
 */
add_action('wp_head', 'add_ie_html5_shim');
function add_ie_html5_shim () {
	echo '<!--[if lt IE 9]>';
	echo '<script src="' . td_global::$http_or_https . '://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.js"></script>';
	echo '<![endif]-->
    ';
}







/*  ----------------------------------------------------------------------------
    add extra contact information for author in wp-admin -> users -> your profile
 */
add_filter('user_contactmethods', 'td_extra_contact_info_for_author');
function td_extra_contact_info_for_author($contactmethods) {
	unset($contactmethods['aim']);
	unset($contactmethods['yim']);
	unset($contactmethods['jabber']);
	foreach (td_social_icons::$td_social_icons_array as $td_social_id => $td_social_name) {
		$contactmethods[$td_social_id] = $td_social_name;
	}
	return $contactmethods;
}








/* ----------------------------------------------------------------------------
 * shortcodes in widgets
 */
add_filter('widget_text', 'do_shortcode');




/* ----------------------------------------------------------------------------
 * FILTER - the_content_more_link - read more - ?
 */
add_filter('the_content_more_link', 'td_remove_more_link_scroll');
function td_remove_more_link_scroll($link) {
	$link = preg_replace('|#more-[0-9]+|', '', $link);
	$link = '<div class="more-link-wrap">' . $link . '</div>';
	return $link;
}




/* ----------------------------------------------------------------------------
 * Visual Composer init
 */
register_activation_hook('js_composer/js_composer.php', 'td_vc_kill_welcome', 11);
function td_vc_kill_welcome() {
	remove_action('vc_activation_hook', 'vc_page_welcome_set_redirect');
}


/**
 * visual composer rewrite classes
 * Filter to Replace default css class for vc_row shortcode and vc_column
 */
add_filter('vc_shortcodes_css_class', 'custom_css_classes_for_vc_row_and_vc_column', 10, 2);
function custom_css_classes_for_vc_row_and_vc_column($class_string, $tag) {
	//vc_span4
	if ($tag == 'vc_row' || $tag == 'vc_row_inner') {
		$class_string = str_replace('vc_row-fluid', 'td-pb-row', $class_string);
	}
	if ($tag == 'vc_column' || $tag == 'vc_column_inner') {
		$class_string = preg_replace('/vc_col-sm-(\d{1,2})/', 'td-pb-span$1', $class_string);
		//$class_string = preg_replace('/vc_span(\d{1,2})/', 'td-pb-span$1', $class_string);
	}
	return $class_string;
}

add_action('vc_load_default_templates','my_custom_template_for_vc');
function my_custom_template_for_vc($templates) {

	require_once(get_template_directory() . '/includes/td_templates_builder.php');

	global $td_vc_templates;
	global $vc_manager;

	if (isset($vc_manager) and is_object($vc_manager) and method_exists($vc_manager, 'vc')) {
		$vc = $vc_manager->vc();

		if (isset($vc) and is_object($vc) and method_exists($vc, 'templatesPanelEditor')) {
			$vc_template_panel_editor = $vc->templatesPanelEditor();

			if (isset($vc_template_panel_editor)
			    and is_object($vc_template_panel_editor)
			        and has_filter('vc_load_default_templates_welcome_block', array($vc_template_panel_editor, 'loadDefaultTemplatesLimit'))) {

				remove_filter('vc_load_default_templates_welcome_block', array($vc_template_panel_editor, 'loadDefaultTemplatesLimit'));
			}
		}
	}
	return $td_vc_templates;
}


td_vc_init();
function td_vc_init() {

	// Force Visual Composer to initialize as "built into the theme". This will hide certain tabs under the Settings->Visual Composer page
	if (function_exists('vc_set_as_theme')) {
		vc_set_as_theme(true);
	}

	if (function_exists('vc_map')) {
		//map all of our blocks in page builder
		td_global_blocks::td_vc_map_all();
	}

	if (function_exists('vc_disable_frontend')) {
		vc_disable_frontend();
	}

}







/* ----------------------------------------------------------------------------
 * TagDiv gallery - tinyMCE hooks
 */

//add the gallery tinyMCE hooks only if it's enabled
if (td_api_features::is_enabled('tagdiv_slide_gallery') === true) {
	add_action('print_media_templates', 'td_custom_gallery_settings_hook');
	add_action('print_media_templates', 'td_change_backbone_js_hook');
}

/**
 * custom gallery setting
 */
function td_custom_gallery_settings_hook () {
	// define your backbone template;
	// the "tmpl-" prefix is required,
	// and your input field should have a data-setting attribute
	// matching the shortcode name
	?>
	<script type="text/html" id="tmpl-td-custom-gallery-setting">
		<label class="setting">
			<span>Gallery Type</span>
			<select data-setting="td_select_gallery_slide">
				<option value="">Default </option>
				<option value="slide">TagDiv Slide Gallery</option>
			</select>
		</label>

		<label class="setting">
			<span>Gallery Title</span>
			<input type="text" value="" data-setting="td_gallery_title_input" />
		</label>
	</script>

	<script>

		jQuery(document).ready(function(){

			// add your shortcode attribute and its default value to the
			// gallery settings list; $.extend should work as well...
			_.extend(wp.media.gallery.defaults, {
				td_select_gallery_slide: '', td_gallery_title_input: ''
			});

			// merge default gallery settings template with yours
			wp.media.view.Settings.Gallery = wp.media.view.Settings.Gallery.extend({
				template: function(view){
					return wp.media.template('gallery-settings')(view)
						+ wp.media.template('td-custom-gallery-setting')(view);
				}
//	            ,initialize: function() {
//		            if (typeof this.model.get('td_select_gallery_slide') == 'undefined') {
//			            this.model.set({td_select_gallery_slide: 'slide'});
//		            }
//	            }
			});

			//console.log();
			// wp.media.model.Attachments.trigger('change')
		});

	</script>
<?php
}


/**
 * td-modal-image support in tinymce
 */
function td_change_backbone_js_hook() {
	//change the backbone js template


	// make the buffer for the dropdown
	$image_styles_buffer_for_select = '';
	$image_styles_buffer_for_switch = '';


	foreach (td_global::$tiny_mce_image_style_list as $tiny_mce_image_style_id => $tiny_mce_image_style_params) {
		$image_styles_buffer_for_select .= "'<option value=\"" . $tiny_mce_image_style_id . "\">" . $tiny_mce_image_style_params['text'] . "</option>' + ";
		$image_styles_buffer_for_switch .= "
        case '$tiny_mce_image_style_id':
            td_clear_all_classes(); //except the modal one
            td_add_image_css_class('" . $tiny_mce_image_style_params['class'] . "');
            break;
        ";
	}


	?>
	<script type="text/javascript">

		(function (){

			var td_template_content = jQuery('#tmpl-image-details').text();

			var td_our_content = '' +

                // modal image settings
                '<div class="setting">' +
                '<span>Modal image</span>' +
                '<div class="button-large button-group" >' +
                '<button class="button active td-modal-image-off" value="left">Off</button>' +
                '<button class="button td-modal-image-on" value="left">On</button>' +
                '</div><!-- /setting -->' +

                // image style settings
                '<div class="setting">' +
                '<span>tagDiv image style</span>' +
                '<select class="size td-wp-image-style">' +
                '<option value="">Default</option>' +
                <?php echo $image_styles_buffer_for_select ?>
                '</select>' +
                '</div>' +
                '</div>';

			//inject our settings in the template - before <div class="setting align">
			td_template_content = td_template_content.replace('<div class="setting align">', td_our_content + '<div class="setting align">');

			//save the template
			jQuery('#tmpl-image-details').html(td_template_content);

			//modal off - click event
			jQuery(".td-modal-image-on").live( "click", function() {
				if (jQuery(this).hasClass('active')) {
					return;
				}
				td_add_image_css_class('td-modal-image');

				jQuery(".td-modal-image-off").removeClass('active');
				jQuery(".td-modal-image-on").addClass('active');
			});

			//modal on - click event
			jQuery(".td-modal-image-off").live( "click", function() {
				if (jQuery(this).hasClass('active')) {
					return;
				}

				td_remove_image_css_class('td-modal-image');

				jQuery(".td-modal-image-off").addClass('active');
				jQuery(".td-modal-image-on").removeClass('active');
			});

			// select change event
			jQuery(".td-wp-image-style").live( "change", function() {
				switch (jQuery( ".td-wp-image-style").val()) {

					<?php echo $image_styles_buffer_for_switch; ?>

					default:
						td_clear_all_classes(); //except the modal one
						jQuery('*[data-setting="extraClasses"]').change(); //trigger the change event for backbonejs
				}
			});

			//util functions to edit the image details in wp-admin
			function td_add_image_css_class(new_class) {
				var td_extra_classes_value = jQuery('*[data-setting="extraClasses"]').val();
				jQuery('*[data-setting="extraClasses"]').val(td_extra_classes_value + ' ' + new_class);
				jQuery('*[data-setting="extraClasses"]').change(); //trigger the change event for backbonejs
			}

			function td_remove_image_css_class(new_class) {
				var td_extra_classes_value = jQuery('*[data-setting="extraClasses"]').val();

				//try first with a space before the class
				var td_regex = new RegExp(" " + new_class,"g");
				td_extra_classes_value = td_extra_classes_value.replace(td_regex, '');

				var td_regex = new RegExp(new_class,"g");
				td_extra_classes_value = td_extra_classes_value.replace(td_regex, '');

				jQuery('*[data-setting="extraClasses"]').val(td_extra_classes_value);
				jQuery('*[data-setting="extraClasses"]').change(); //trigger the change event for backbonejs
			}

			//clears all classes except the modal image one
			function td_clear_all_classes() {
				var td_extra_classes_value = jQuery('*[data-setting="extraClasses"]').val();
				if (td_extra_classes_value.indexOf('td-modal-image') > -1) {
					//we have the modal image one - keep it, remove the others
					jQuery('*[data-setting="extraClasses"]').val('td-modal-image');
				} else {
					jQuery('*[data-setting="extraClasses"]').val('');
				}
			}

			//monitor the backbone template for the current status of the picture
			setInterval(function(){
				var td_extra_classes_value = jQuery('*[data-setting="extraClasses"]').val();
				if (typeof td_extra_classes_value !== 'undefined' && td_extra_classes_value != '') {
					// if we have modal on, switch the toggle
					if (td_extra_classes_value.indexOf('td-modal-image') > -1) {
						jQuery(".td-modal-image-off").removeClass('active');
						jQuery(".td-modal-image-on").addClass('active');
					}

					<?php

					foreach (td_global::$tiny_mce_image_style_list as $tiny_mce_image_style_id => $tiny_mce_image_style_params) {
						?>
					//change the select
					if (td_extra_classes_value.indexOf('<?php echo $tiny_mce_image_style_params['class'] ?>') > -1) {
						jQuery(".td-wp-image-style").val('<?php echo $tiny_mce_image_style_id ?>');
					}
					<?php
				}

				?>

				}
			}, 1000);
		})(); //end anon function
	</script>
<?php
}




/* ----------------------------------------------------------------------------
 * TagDiv gallery - front end hooks
 */

//add the gallery frontend hook only if it's enabled
if (td_api_features::is_enabled('tagdiv_slide_gallery') === true) {
	add_filter('post_gallery', 'td_gallery_shortcode', 10, 4);
}

/**
 * @param string $output - is empty !!!
 * @param $atts
 * @param bool $content
 * @return mixed
 */
function td_gallery_shortcode($output = '', $atts, $content = false) {

	global $loop_sidebar_position;
	global $post;

	$page_template_slug = get_page_template_slug($post->ID);

	$buffy = '';

	//check for gallery  = slide
	if(!empty($atts) and !empty($atts['td_select_gallery_slide']) and $atts['td_select_gallery_slide'] == 'slide') {

		$td_double_slider2_no_js_limit = 1;
		$td_nr_columns_slide = 'td-slide-on-2-columns';
		$nr_title_chars = 95;

		//check to see if we have or not sidebar on the page, to set the small images when need to show them on center
		//if(td_global::$cur_single_template_sidebar_pos == 'no_sidebar') {


        if ( is_single() ) {
	        if ( $loop_sidebar_position == 'no_sidebar' || $page_template_slug === 'page-pagebuilder-latest.php' ) {
		        $td_double_slider2_no_js_limit = 11;
		        $td_nr_columns_slide           = 'td-slide-on-3-columns';
		        $nr_title_chars                = 170;
	        }
        }

		$title_slide = '';
		//check for the title
		if(!empty($atts['td_gallery_title_input'])) {
			$title_slide = $atts['td_gallery_title_input'];

			//check how many chars the tile have, if more then 84 then that cut it and add ... after
			if(mb_strlen ($title_slide, 'UTF-8') > $nr_title_chars) {
				$title_slide = mb_substr($title_slide, 0, $nr_title_chars, 'UTF-8') . '...';
			}
		}

		$slide_images_thumbs_css = '';
		$slide_display_html  = '';
		$slide_cursor_html = '';

		$image_ids = explode(',', $atts['ids']);

		//check to make sure we have images
		if (count($image_ids) == 1 and !is_numeric($image_ids[0])) {
			return;
		}

		$image_ids = array_map('trim', $image_ids);//trim elements of the $ids_gallery array

		//generate unique gallery slider id
		$gallery_slider_unique_id = td_global::td_generate_unique_id();

		$cur_item_nr = 1;
		foreach($image_ids as $image_id) {

			//get the info about attachment
			$image_attachment = td_util::attachment_get_full_info($image_id);

			//get images url
			$td_temp_image_url_80x60 = wp_get_attachment_image_src($image_id, 'td_80x60'); //for the slide - for small images slide popup
			$td_temp_image_url_full = $image_attachment['src'];                            //default big image - for magnific popup

			//image type and width - used to retrieve retina image
			$thumbnail_type = 'td_0x420';
			$thumbnail_width = '420';

			//if we are on full wight (3 columns use the default images not the resize ones)
			if ($loop_sidebar_position == 'no_sidebar' || $page_template_slug === 'page-pagebuilder-latest.php') {

				switch (TD_THEME_NAME) {
					case 'Newspaper' :
						$td_temp_image_url = wp_get_attachment_image_src($image_id, 'td_1068x580');       //1021x580 images - for big slide
						//change image type and width - used to retrieve retina image
						$thumbnail_type = 'td_1068x580';
						$thumbnail_width = '1068';
						break;

					case 'Newsmag' :
						$td_temp_image_url = wp_get_attachment_image_src($image_id, 'td_1021x580');       //1021x580 images - for big slide
						//image type and width - used to retrieve retina image
						$thumbnail_type = 'td_1021x580';
						$thumbnail_width = '1021';
						break;

					case 'ionMag' :
						$td_temp_image_url = wp_get_attachment_image_src($image_id, 'td_980x580');       //980x580 images - for big slide
						//change image type and width - used to retrieve retina image
						$thumbnail_type = 'td_980x580';
						$thumbnail_width = '980';
						break;
				}
			} else {
				$td_temp_image_url = wp_get_attachment_image_src($image_id, 'td_0x420');       //0x420 image sizes - for big slide
			}


			//check if we have all the images
			if(!empty($td_temp_image_url[0]) and !empty($td_temp_image_url_80x60[0]) and !empty($td_temp_image_url_full)) {

				//retina image
				$srcset_sizes = td_util::get_srcset_sizes($image_id, $thumbnail_type, $thumbnail_width, $td_temp_image_url[0]);
				if (td_util::get_option('tds_thumb_td_80x60_retina') == 'yes') {
					$small_thumb = wp_get_attachment_image_src($image_id, 'td_80x60_retina');
					if ($small_thumb !== false) {
						$td_temp_image_url_80x60[0] = $small_thumb[0];
					}
				}

				//css for display the small cursor image
				$slide_images_thumbs_css .= '
                    #' . $gallery_slider_unique_id . '  .td-doubleSlider-2 .td-item' . $cur_item_nr . ' {
                        background: url(' . $td_temp_image_url_80x60[0] . ') 0 0 no-repeat;
                    }';

				//html for display the big image
				$class_post_content = '';

				if(!empty($image_attachment['description']) or !empty($image_attachment['caption'])) {
					$class_post_content = 'td-gallery-slide-content';
				}

				//if picture has caption & description
				$figcaption = '';

				if(!empty($image_attachment['caption']) or !empty($image_attachment['description'])) {
					$figcaption = '<figcaption class = "td-slide-caption ' . $class_post_content . '">';

					if(!empty($image_attachment['caption'])) {
						$figcaption .= '<div class = "td-gallery-slide-copywrite">' . $image_attachment['caption'] . '</div>';
					}

					if(!empty($image_attachment['description'])) {
						$figcaption .= '<span>' . $image_attachment['description'] . '</span>';
					}

					$figcaption .= '</figcaption>';
				}

				$slide_display_html .= '
                    <div class = "td-slide-item td-item' . $cur_item_nr . '">
                        <figure class="td-slide-galery-figure td-slide-popup-gallery">
                            <a class="slide-gallery-image-link" href="' . $td_temp_image_url_full . '" title="' . $image_attachment['title'] . '"  data-caption="' . esc_attr($image_attachment['caption'], ENT_QUOTES) . '"  data-description="' . htmlentities($image_attachment['description'], ENT_QUOTES) . '">
                                <img src="' . $td_temp_image_url[0] . '"' . $srcset_sizes . ' alt="' . htmlentities($image_attachment['alt'], ENT_QUOTES) . '">
                            </a>
                            ' . $figcaption . '
                        </figure>
                    </div>';

				//html for display the small cursor image
				$slide_cursor_html .= '
                    <div class = "td-button td-item' . $cur_item_nr . '">
                        <div class = "td-border"></div>
                    </div>';

				$cur_item_nr++;
			}//end check for images
		}//end foreach

		//check if we have html code for the slider
		if(!empty($slide_display_html) and !empty($slide_cursor_html)) {

			//get the number of slides
			$nr_of_slides = count($image_ids);
			if($nr_of_slides < 0) {
				$nr_of_slides = 0;
			}

			$buffy = '
                <style type="text/css">
                    ' .
			         $slide_images_thumbs_css . '
                </style>

                <div id="' . $gallery_slider_unique_id . '" class="td-gallery ' . $td_nr_columns_slide . '">
                    <div class="post_td_gallery">
                        <div class="td-gallery-slide-top">
                           <div class="td-gallery-title">' . $title_slide . '</div>

                            <div class="td-gallery-controls-wrapper">
                                <div class="td-gallery-slide-count"><span class="td-gallery-slide-item-focus">1</span> ' . __td('of', TD_THEME_NAME) . ' ' . $nr_of_slides . '</div>
                                <div class="td-gallery-slide-prev-next-but">
                                    <i class = "td-icon-left doubleSliderPrevButton"></i>
                                    <i class = "td-icon-right doubleSliderNextButton"></i>
                                </div>
                            </div>
                        </div>

                        <div class = "td-doubleSlider-1 ">
                            <div class = "td-slider">
                                ' . $slide_display_html . '
                            </div>
                        </div>

                        <div class = "td-doubleSlider-2">
                            <div class = "td-slider">
                                ' . $slide_cursor_html . '
                            </div>
                        </div>

                    </div>

                </div>
                ';

			$slide_javascript = '
			<script>
                    //total number of slides
                    var ' . $gallery_slider_unique_id . '_nr_of_slides = ' . $nr_of_slides . ';

                    jQuery(document).ready(function() {
                        //magnific popup
                        jQuery("#' . $gallery_slider_unique_id . ' .td-slide-popup-gallery").magnificPopup({
                            delegate: "a.slide-gallery-image-link",
                            type: "image",
                            tLoading: "Loading image #%curr%...",
                            mainClass: "mfp-img-mobile",
                            gallery: {
                                enabled: true,
                                navigateByImgClick: true,
                                preload: [0,1],
                                tCounter: \'%curr% ' . __td('of', TD_THEME_NAME) . ' %total%\'
                            },
                            image: {
                                tError: "<a href=\'%url%\'>The image #%curr%</a> could not be loaded.",
                                    titleSrc: function(item) {//console.log(item.el);
                                    //alert(jQuery(item.el).data("caption"));
                                    return item.el.attr("data-caption") + "<div>" + item.el.attr("data-description") + "<div>";
                                }
                            },
                            zoom: {
                                    enabled: true,
                                    duration: 300,
                                    opener: function(element) {
                                        return element.find("img");
                                    }
                            },

                            callbacks: {
                                change: function() {
                                    // Will fire when popup is closed
                                    jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-1").iosSlider("goToSlide", this.currItem.index + 1 );
                                }
                            }

                        });

                        jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-1").iosSlider({
                            scrollbar: true,
                            snapToChildren: true,
                            desktopClickDrag: true,
                            infiniteSlider: true,
                            responsiveSlides: true,
                            navPrevSelector: jQuery("#' . $gallery_slider_unique_id . ' .doubleSliderPrevButton"),
                            navNextSelector: jQuery("#' . $gallery_slider_unique_id . ' .doubleSliderNextButton"),
                            scrollbarHeight: "2",
                            scrollbarBorderRadius: "0",
                            scrollbarOpacity: "0.5",
                            onSliderResize: td_gallery_resize_update_vars_' . $gallery_slider_unique_id . ',
                            onSliderLoaded: doubleSlider2Load_' . $gallery_slider_unique_id . ',
                            onSlideChange: doubleSlider2Load_' . $gallery_slider_unique_id . ',
                            keyboardControls:true
                        });

                        //small image slide
                        jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2 .td-button").each(function(i) {
                            jQuery(this).bind("click", function() {
                                jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-1").iosSlider("goToSlide", i+1);
                            });
                        });
                        
                        
                        
                        
                        // Create slider_2 only when the content elements are wider than the wrapper
                        var $gallery_slider_unique_id = jQuery("#' .  $gallery_slider_unique_id . '");
                        
                        if ( $gallery_slider_unique_id.length ) {
                        
                            var sliderWidth = $gallery_slider_unique_id.width(),
                                elementsWidth = 0;
                        
                            $gallery_slider_unique_id.find( ".td-button").each(function(index, el) {
                                elementsWidth += jQuery(el).outerWidth( true );
                            });
                            
                            //check the number of slides
                            //if( parseInt(' . $gallery_slider_unique_id . '_nr_of_slides) > $td_double_slider2_no_js_limit) {
                            if( elementsWidth > sliderWidth ) {
                                jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2").iosSlider({
                                    desktopClickDrag: true,
                                    snapToChildren: true,
                                    snapSlideCenter: true,
                                    infiniteSlider: true
                                });
                            } else {
                                jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2").addClass("td_center_slide2");
                            }
                        } 
                        
                        
                        

                        

                        function doubleSlider2Load_' . $gallery_slider_unique_id . '(args) {
                            //var currentSlide = args.currentSlideNumber;
                            jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2").iosSlider("goToSlide", args.currentSlideNumber);


                            //put a transparent border around all small sliders
                            jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2 .td-button .td-border").css("border", "3px solid #ffffff").css("opacity", "0.5");
                            jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2 .td-button").css("border", "0");

                            //put a white border around the focused small slide
                            jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2 .td-button:eq(" + (args.currentSlideNumber-1) + ") .td-border").css("border", "3px solid #ffffff").css("opacity", "1");
                            //jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-2 .td-button:eq(" + (args.currentSlideNumber-1) + ")").css("border", "3px solid #ffffff");

                            //write the current slide number
                            td_gallery_write_current_slide_' . $gallery_slider_unique_id . '(args.currentSlideNumber);
                        }

                        //writes the current slider beside to prev and next buttons
                        function td_gallery_write_current_slide_' . $gallery_slider_unique_id . '(slide_nr) {
                            jQuery("#' . $gallery_slider_unique_id . ' .td-gallery-slide-item-focus").html(slide_nr);
                        }


                        /*
                        * Resize the iosSlider when the page is resided (fixes bug on Android devices)
                        */
                        function td_gallery_resize_update_vars_' . $gallery_slider_unique_id . '(args) {
                            if(tdDetect.isAndroid) {
                                setTimeout(function(){
                                    jQuery("#' . $gallery_slider_unique_id . ' .td-doubleSlider-1").iosSlider("update");
                                }, 1500);
                            }
                        }
                    });
                    </script>
                    ';

            $slide_javascript = td_util::remove_script_tag( $slide_javascript );
			td_js_buffer::add_to_footer( $slide_javascript);
		}//end check if we have html code for the slider
	}//end if slide

	//!!!!!! WARNING
	//$return has to be != empty to overwride the default output
	return $buffy;
}




/* ----------------------------------------------------------------------------
 * filter the gallery shortcode
 */

//add the gallery shortcode filter only if the tagdiv slide gallery feature is enabled
if (td_api_features::is_enabled('tagdiv_slide_gallery') === true) {
	add_filter('shortcode_atts_gallery', 'td_gallery_atts_modifier', 1); //run with 1 priority, allow anyone to overwrite our hook.
}
/**
 * @todo trebuie fixuite toate tipurile de imagini din gallerie in functie de setarile template-ului
 */
function td_gallery_atts_modifier($out) {

	// td_global::$cur_single_template_sidebar_pos; //is set in single.php @todo set it also on the page template
	// link to files instead of no link or attachement. The file is used by magnific pupup
	$out['link'] = 'file';

	if (!isset($out['columns'])) {
		$out['columns'] = '';
	}

	global $loop_sidebar_position;
	global $post;

	$page_template_slug = get_page_template_slug($post->ID);

	if ($loop_sidebar_position == 'no_sidebar' || $page_template_slug === 'page-pagebuilder-latest.php') {
		if ($out['columns'] == 1) {
			switch (TD_THEME_NAME) {
				case 'Newspaper' :
					$out['size'] = 'td_1068x580';
					break;

				case 'Newsmag' :
					$out['size'] = 'td_1021x580';
					break;
			}
		}
	} else {
		if ($out['columns'] == 1) {
			switch (TD_THEME_NAME) {
				case 'Newspaper' :
					$out['size'] = 'td_696x385';
					break;

				case 'Newsmag' :
					$out['size'] = 'td_640x350';
					break;
			}
		}
	}
	//var_dump($out);die;
	return $out;
}




/* ----------------------------------------------------------------------------
 * add custom classes to the single templates, also mix fixes for white menu and white grid
 */
add_filter('body_class', 'td_add_single_template_class');
function td_add_single_template_class($classes) {

	if (is_single()) {
		global $post;

		$active_single_template = '';
		$td_post_theme_settings = td_util::get_post_meta_array($post->ID, 'td_post_theme_settings');

		if (!empty($td_post_theme_settings['td_post_template'])) {
			// we have a post template set in the post
			$active_single_template = $td_post_theme_settings['td_post_template'];
		} else {
			// we may have a global post template form td panel
			$td_default_site_post_template = td_util::get_option('td_default_site_post_template');
			if(!empty($td_default_site_post_template)) {
				$active_single_template = $td_default_site_post_template;
			}
		}


		// add the class if we have a post template
		if (!empty($active_single_template)) {

		    if ( td_global::is_tdb_template( $active_single_template ) ) {
                td_global::$cur_single_template = 'single_template';
            } else {
		        td_global::$cur_single_template = $active_single_template;
            }
			$classes []= sanitize_html_class($active_single_template);
		}

	}

	// if main menu background color is white to fix the menu appearance on all headers
	if (td_util::get_option('tds_menu_color') == '#ffffff' or td_util::get_option('tds_menu_color') == 'ffffff') {
		$classes[] = 'white-menu';
	}

	// if grid color is white to fix the menu appearance on all headers
	if (td_util::get_option('tds_grid_line_color') == '#ffffff' or td_util::get_option('tds_grid_line_color') == 'ffffff') {
		$classes[] = 'white-grid';
	}
	return $classes;
}




/* ----------------------------------------------------------------------------
 * add custom classes to the single templates, also mix fixes for white menu and white grid
 */
add_filter('body_class', 'td_add_category_template_class');
function td_add_category_template_class($classes) {
	if(!is_admin() and is_category()) {

        if ( td_global::is_tdb_registered() ) {

            $current_category = get_queried_object();

            $tdb_category_template_global = td_options::get( 'tdb_category_template' );
            $tdb_category_template = td_util::get_category_option( $current_category->cat_ID, 'tdb_category_template');

            if ( empty( $tdb_category_template ) ) {
                $tdb_category_template = $tdb_category_template_global;
            }

            if ( ! empty( $tdb_category_template ) && ( 'theme_templates' !== $tdb_category_template ) && td_global::is_tdb_template( $tdb_category_template, true ) ) {
                return $classes;
		    }
        }

		$classes [] = sanitize_html_class(td_api_category_template::_helper_get_active_id());
		$classes [] = sanitize_html_class(td_api_category_top_posts_style::_helper_get_active_id());
	}
	return $classes;
}




/* ----------------------------------------------------------------------------
 * modify the main query for category pages
 */
add_action('pre_get_posts', 'td_modify_main_query_for_category_page');
function td_modify_main_query_for_category_page($query) {

	//checking for category page and main query
	if(!is_admin() and is_category() and $query->is_main_query()) {
		// get the category object - with or without permalinks
		if (empty($query->query_vars['cat'])) {
			td_global::$current_category_obj = get_category_by_path(get_query_var('category_name'), false);  // when we have permalinks, we have to get the category object like this.
		} else {
			td_global::$current_category_obj = get_category($query->query_vars['cat']);
		}


		// we are on a category page with an ID that doesn't exists - wp will show a 404 and we do nothing
		if (is_null(td_global::$current_category_obj)) {
			return;
		}

        // run our filter and check it's returned value. If tdb plugin did it's query modifications this will return 'true' and we do nothing here.
        $tdb_template_overwrite = apply_filters( 'tdb_category_template_query_overwrite', false );

		// if the was overwritten return here
        if ( $tdb_template_overwrite === true ) {
            return;
        }

		//get the number of page where on
		$paged = get_query_var('paged');

		//get the `filter_by` URL($_GET) variable
		$filter_by = '';
		if (isset($_GET['filter_by'])) {
			$filter_by = $_GET['filter_by'];
		}

		//get the limit of posts on the category page
		$limit = get_option('posts_per_page');


		//echo $filter_by;
		switch ($filter_by) {
			case 'featured':
				//get the category object
				$query->set('category_name',  td_global::$current_category_obj->slug);
				$query->set('cat', get_cat_ID(TD_FEATURED_CAT)); //add the fetured cat
				break;

			case 'popular':
				$query->set('meta_key', td_page_views::$post_view_counter_key);
				$query->set('orderby', 'meta_value_num');
				$query->set('order', 'DESC');
				break;

			case 'popular7':
				$query->set('meta_key', td_page_views::$post_view_counter_7_day_total);
				$query->set('orderby', 'meta_value_num');
				$query->set('order', 'DESC');
				break;

			case 'review_high':
				$query->set('meta_key', 'td_review_key');
				$query->set('orderby', 'meta_value_num');
				$query->set('order', 'DESC');
				break;

			case 'random_posts':
				$query->set('orderby', 'rand');
				break;
		}//end switch


		// how many posts are we showing in the big grid for this category
		$offset = td_api_category_top_posts_style::_helper_get_posts_shown_in_the_loop();


		// offset + custom pagination - if we have offset, WordPress overwrites the pagination and works with offset + limit
		if(empty($query->is_feed)) {
			if ( $paged > 1 ) {
				$query->set( 'offset', intval($offset) + ( ( $paged - 1 ) * $limit ) );
			} else {
				$query->set( 'offset', intval($offset) );
			}
		}
		//print_r($query);
	}//end if main query
}




/** ----------------------------------------------------------------------------
 *  update category shared terms
 *  @since WordPress 4.2
 *  @link https://make.wordpress.org/core/2015/02/16/taxonomy-term-splitting-in-4-2-a-developer-guide/
 */
add_action('split_shared_term', 'td_category_split_shared_term', 10, 4);
function td_category_split_shared_term($term_id, $new_term_id, $term_taxonomy_id, $taxonomy) {
	$td_options = &td_options::get_all_by_ref();

	if (($taxonomy === 'category') and (isset($td_options['category_options'][$term_id]))) {

		$current_settings = $td_options['category_options'][$term_id];
		$td_options['category_options'][$new_term_id] = $current_settings;
		unset($td_options['category_options'][$term_id]);

		td_options::schedule_save();

		//		update_option(TD_THEME_OPTIONS_NAME, td_global::$td_options);


	}
}




/* ----------------------------------------------------------------------------
 *   TagDiv WordPress booster init
 */

td_init_booster();
function td_init_booster() {

	global $content_width;

	// content width - this is overwritten in post
	if ( !isset($content_width) ) {

		switch (TD_THEME_NAME) {
			case 'Newspaper' :
				$content_width = 696;
				break;

			case 'Newsmag' :
				$content_width = 640;
				break;

			case 'ionMag' :
				$content_width = 640;
				break;
		}
	}

	/* ----------------------------------------------------------------------------
	 * add_image_size for WordPress - register all the thumbs from the thumblist
	 */
	foreach (td_api_thumb::get_all() as $thumb_array) {
		if (td_util::get_option('tds_thumb_' . $thumb_array['name']) != '') {
			add_image_size($thumb_array['name'], $thumb_array['width'], $thumb_array['height'], $thumb_array['crop']);
			//add retina thumb (only if it is enabled)
			if (td_util::get_option('tds_thumb_' . $thumb_array['name'] . '_retina') != '') {
				add_image_size($thumb_array['name'] . '_retina', $thumb_array['width']*2, $thumb_array['height']*2, $thumb_array['crop']);
			}
		}
	}


	/**
	 * Add default render function for 'td_block_social_counter' shortcode.
	 * It's overwritten by the social counter plugin.
	 */
//	add_shortcode('td_block_social_counter', 'td_block_social_counter_func');
//	function td_block_social_counter_func($atts) {
//		if ( current_user_can( 'administrator' ) ) {
//			$buffer = '';
//			$buffer .= '<style>
//				.td-block-social-counter {
//				  border: 1px solid red;
//				  min-height: 50px;
//				  line-height: 50px;
//				  vertical-align: middle;
//				  text-align: center;
//				}
//				.td-block-social-counter:before {
//				  content: "Activate Social Counter plugin";
//				}
//				</style>';
//			$buffer .= '<div class="td-block-social-counter"></div>';
//			return $buffer;
//		}
//		return '';
//	}



	/* ----------------------------------------------------------------------------
	 * Add lazy shortcodes of the registered blocks
	 */
	foreach (td_api_block::get_all() as $block_settings_key => $block_settings_value) {
		td_global_blocks::add_lazy_shortcode($block_settings_key);
	}


	/* ----------------------------------------------------------------------------
	* register the default sidebars + dynamic ones
	*/
	register_sidebar(array(
		'name'=> TD_THEME_NAME . ' default',
		'id' => 'td-default', //the id is used by the importer
		'before_widget' => '<aside class="widget %2$s">',
		'after_widget' => '</aside>',
		'before_title' => '<div class="block-title"><span>',
		'after_title' => '</span></div>'
	));

	register_sidebar(array(
		'name'=>'Footer 1',
		'id' => 'td-footer-1',
		'before_widget' => '<aside class="widget %2$s">',
		'after_widget' => '</aside>',
		'before_title' => '<div class="block-title"><span>',
		'after_title' => '</span></div>'
	));

	register_sidebar(array(
		'name'=>'Footer 2',
		'id' => 'td-footer-2',
		'before_widget' => '<aside class="widget %2$s">',
		'after_widget' => '</aside>',
		'before_title' => '<div class="block-title"><span>',
		'after_title' => '</span></div>'
	));

	register_sidebar(array(
		'name'=>'Footer 3',
		'id' => 'td-footer-3',
		'before_widget' => '<aside class="widget %2$s">',
		'after_widget' => '</aside>',
		'before_title' => '<div class="block-title"><span>',
		'after_title' => '</span></div>'
	));

	//get our custom dynamic sidebars
	$currentSidebars = td_options::get_array('sidebars');

	//if we have user made sidebars, register them in wp
	if (!empty($currentSidebars)) {
		foreach ($currentSidebars as $sidebar) {
			register_sidebar(array(
				'name' => $sidebar,
				'id' => 'td-' . td_util::sidebar_name_to_id($sidebar),
				'before_widget' => '<aside class="widget %2$s">',
				'after_widget' => '</aside>',
				'before_title' => '<div class="block-title"><span>',
				'after_title' => '</span></div>',
			));
		} //end foreach
	}

}

//@td_js
require_once('td_js.php');

/*  ----------------------------------------------------------------------------
    check to see if we are on the backend
 */
if (is_admin()) {


	// demo inmporter
	require_once('wp-admin/panel/td_demo_installer.php');
	require_once('wp-admin/panel/td_demo_util.php');



	/*  ----------------------------------------------------------------------------
		The theme panel + plugins panels
	 */
	require_once('wp-admin/panel/panel_core/td_panel_core.php');
	require_once('wp-admin/panel/panel_core/td_panel_generator.php');

	if (current_user_can('switch_themes')) {
		// add the theme panel only if we have permissions
		require_once('wp-admin/panel/td_panel.php');
	}






	/**
	 * the wp-admin TinyMCE editor buttons
	 */
	require_once('wp-admin/tinymce/tinymce.php');

	/**
	 * get tinymce formats
	 */
	td_api_tinymce_formats::_helper_get_tinymce_format();

	/**
	 * Custom content metaboxes (the select sidebar dropdown/post etc)
	 */
	require_once('td_metabox_generator.php');
	require_once('wp-admin/content-metaboxes/td_templates_settings.php');

	/**
	 * Helper pointers
	 */

	add_action('admin_enqueue_scripts', 'td_help_pointers');
	function td_help_pointers() {
		//First we define our pointers
		$pointers = array(
			array(
				'id' => 'vc_columns_pointer',   // unique id for this pointer
				'screen' => 'page', // this is the page hook we want our pointer to show on
				'target' => '.composer-switch .logo-icon', // the css selector for the pointer to be tied to, best to use ID's
				'title' => TD_THEME_NAME . ' (tagDiv) tip',
				'content' => '<img class="td-tip-vc-columns" style="max-width:100%" src="' . td_global::$get_template_directory_uri . '/includes/wp_booster/wp-admin/images/td_helper_pointers/vc-columns.png' . '">',
				'position' => array(
					'edge' => 'top', //top, bottom, left, right
					'align' => 'left' //top, bottom, left, right, middle
				)
			)
			// more as needed
		);

		//Now we instantiate the class and pass our pointer array to the constructor
		new td_help_pointers($pointers);
	}

	/*  -----------------------------------------------------------------------------
		TGM_Plugin_Activation
	 */
	require_once 'external/class-tgm-plugin-activation.php'; // it cannot be autoloaded

	add_action('tgmpa_register', 'td_required_plugins');
	function td_required_plugins() {
		$config = array(
			'domain' => TD_THEME_NAME,            // Text domain - likely want to be the same as your theme.
			'default_path' => '',                            // Default absolute path to pre-packaged plugins
			//'parent_menu_slug' => 'themes.php',                // DEPRECATED from v2.4.0 - Default parent menu slug
			//'parent_url_slug' => 'themes.php',                // DEPRECATED from v2.4.0 - Default parent URL slug
			'parent_slug'  => 'themes.php',
			'menu' => 'td_plugins',    // Menu slug
			'has_notices' => false,                        // Show admin notices or not
			'is_automatic' => true,                        // Automatically activate plugins after installation or not
			'message' => '',                            // Message to output right before the plugins table
			'strings' => array(
				'page_title' => __('Install Required Plugins', TD_THEME_NAME),
				'menu_title' => __('Install Plugins', TD_THEME_NAME),
				'installing' => __('Installing Plugin: %s', TD_THEME_NAME), // %1$s = plugin name
				'oops' => __('Something went wrong with the plugin API.', TD_THEME_NAME),
				'notice_can_install_required' => _n_noop('<span class="td-tgma-tip">' . TD_THEME_NAME . ' theme:</span> Hi, sorry to bother you but please install %1$s plugin. It\'s included with the theme and no aditional purchase is requiered!', 'This theme requires the following plugins: %1$s.'), // %1$s = plugin name(s)
				'notice_can_install_recommended' => _n_noop('If you need social icons, you can install %1$s.', 'This theme recommends the following plugins: %1$s.'), // %1$s = plugin name(s)
				'notice_cannot_install' => _n_noop('Sorry, but you do not have the correct permissions to install the %s plugin. Contact the administrator of this site for help on getting the plugin installed.', 'Sorry, but you do not have the correct permissions to install the %s plugins. Contact the administrator of this site for help on getting the plugins installed.'), // %1$s = plugin name(s)
				'notice_can_activate_required' => _n_noop('<span class="td-tgma-tip">' . TD_THEME_NAME . ' theme:</span> Hi, please activate %1$s. Our theme works best with it.', 'The following required plugins are currently inactive: %1$s.'), // %1$s = plugin name(s)
				'notice_can_activate_recommended' => _n_noop('<span class="td-tgma-tip">' . TD_THEME_NAME . ' theme:</span> The following recommended plugin is currently inactive: %1$s.', 'The following recommended plugins are currently inactive: %1$s.'), // %1$s = plugin name(s)
				'notice_cannot_activate' => _n_noop('Sorry, but you do not have the correct permissions to activate the %s plugin. Contact the administrator of this site for help on getting the plugin activated.', 'Sorry, but you do not have the correct permissions to activate the %s plugins. Contact the administrator of this site for help on getting the plugins activated.'), // %1$s = plugin name(s)
				'notice_ask_to_update' => _n_noop('The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.', 'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.'), // %1$s = plugin name(s)
				'notice_cannot_update' => _n_noop('Sorry, but you do not have the correct permissions to update the %s plugin. Contact the administrator of this site for help on getting the plugin updated.', 'Sorry, but you do not have the correct permissions to update the %s plugins. Contact the administrator of this site for help on getting the plugins updated.'), // %1$s = plugin name(s)
				'install_link' => _n_noop('Go to plugin instalation', ' Begin installing plugins'),
				'activate_link' => _n_noop('Go to activation panel', 'Activate installed plugins'),
				'return' => __('Return to tagDiv plugins panel', TD_THEME_NAME),
				'plugin_activated' => __('Plugin activated successfully.', TD_THEME_NAME),
				'complete' => __('All plugins installed and activated successfully. %s', TD_THEME_NAME), // %1$s = dashboard link
				'nag_type' => 'updated' // Determines admin notice type - can only be 'updated' or 'error'
			)
		);

		tgmpa(td_global::$theme_plugins_list, $config);
	}


	// Important! For the shortcode widgets that have 'block_template_id' param, the new instance (the modified instance) is returned.
	// This BECAUSE the new instance have the all modifications (including new params)
	// Changed from 10 to 1 for WPML support
	add_filter('widget_update_callback', 'td_widget_update', 1, 2);
	function td_widget_update($instance, $new_instance) {
		if (array_key_exists('block_template_id', $new_instance)) {
			return $new_instance;
		}
		return $instance;
	}
}


/**
 * - intercept the single template
 * - @since 26.2.2018 - this method of verifying the template is very odd. There is no reason why it's done this way instead of is_singular('post')
 * - RUNS AFTER the hook from the template builder
 * - we do nothing here where a template builder id is detected
 */
add_filter( 'template_include', 'td_template_include_filter');
function td_template_include_filter( $wordpress_template_path ) {

	if (is_single() and (($wordpress_template_path == TEMPLATEPATH . '/single.php') or ($wordpress_template_path == STYLESHEETPATH . '/single.php'))) {
		global $post;

		// if we are on a custom post type, leave the defaul loaded wordpress template
		if ($post->post_type != 'post') {
			return $wordpress_template_path;
		}



        // check if we have a specific template set on the current post
        $td_post_theme_settings = td_util::get_post_meta_array($post->ID, 'td_post_theme_settings');
        if (!empty($td_post_theme_settings['td_post_template'])) {
            $single_template_id = $td_post_theme_settings['td_post_template'];

            if ( td_global::is_tdb_template($single_template_id)) {

                $tdb_template_id = td_global::tdb_get_template_id($single_template_id);

                // run our filter and check it's returned value. If tdb did nothing or it's not installed, we do nothing.
                $td_single_override = apply_filters( 'td_single_override', $tdb_template_id); // in: template id    out: tdb view single template path

                if ($td_single_override != $tdb_template_id) {
                    return $td_single_override;
                }

            } else {
                // it's a theme template, load that one
                return td_api_single_template::_get_theme_template($single_template_id, $wordpress_template_path);
            }
        }


		// read the global setting
		$default_template_id = td_util::get_option('td_default_site_post_template');

		// STOP here and load the default template if there's a single template id - The template builder does it's own thing in it's template_include if it's available!
		if ( td_global::is_tdb_template($default_template_id)) {

		    // load the default tdb template
            $tdb_template_id = td_global::tdb_get_template_id($default_template_id);

            // run our filter and check it's returned value. If tdb did nothing or it's not installed, we do nothing.
            $td_single_override = apply_filters( 'td_single_override', $tdb_template_id); // in: template id    out: tdb view single template path

            if ($td_single_override != $tdb_template_id) {
                return $td_single_override;
            }

        } else {
		    // load the default theme template
            return td_api_single_template::_get_theme_template($default_template_id, $wordpress_template_path);
        }



	}

	return $wordpress_template_path;
}



add_filter('redirect_canonical', 'td_fix_wp_441_pagination', 10, 2);
function td_fix_wp_441_pagination($redirect_url, $requested_url) {
	global $wp_query;

	if (is_page() && !is_feed() && isset($wp_query->queried_object) && get_query_var('page') && get_page_template_slug($wp_query->queried_object->ID) == 'page-pagebuilder-latest.php') {
		return false;
	}

	return $redirect_url;
}



/**
 * adds Theme Panel button in wp theme customizer panel
 * useful for clients who don't know where the theme settings are located
 */
add_action('customize_controls_print_footer_scripts', 'td_customize_js');
function td_customize_js() {
    echo "<script type=\"text/javascript\">
            (function() {
                jQuery('#customize-theme-controls > ul').prepend('<li id=\"accordion-section-theme-panel\" class=\"accordion-section control-section\"><h3 class=\"accordion-section-title\">Theme Panel</h3></li>');
                jQuery('#accordion-section-theme-panel').on('click', function(){
                     window.location.replace('" . admin_url() . "admin.php?page=td_theme_panel');
                });
            })()
          </script>
         ";
}



add_filter('admin_body_class', 'td_on_admin_body_class' );
function td_on_admin_body_class( $classes ) {
    if (td_api_features::is_enabled('has_premium_version') && TD_DEPLOY_IS_PREMIUM === false) {
        $classes .= ' td-theme-panel-ionMag-free ';
    }
	$classes .= ' td-theme-' . TD_THEME_NAME;
	return $classes;
}



// Remove 'block_template_id' param from VC params
add_action('vc_edit_form_fields_after_render', 'td_vc_edit_form_fields_after_render');
function td_vc_edit_form_fields_after_render() {
	ob_start();
	?>
	<script type="text/javascript">
		(function(){
			var $panelEditElement = jQuery('#vc_ui-panel-edit-element');
	        if ($panelEditElement.length) {
				var $selectBlockTemplateId = $panelEditElement.find("select[name='block_template_id']");
				if ($selectBlockTemplateId.length) {
					$selectBlockTemplateId.closest('.vc_shortcode-param').hide();
				}
			}
		})();

	</script>
	<?php
	echo ob_get_clean();
}



/**
 * Filter sets the global block template to the wp widgets
 * @see 'widget_display_callback' hook on 'class-wp-widget.php'
 */
add_filter('widget_display_callback', 'on_widget_display_callback', 10, 3);
function on_widget_display_callback($currentWidgetInstanceSettings, $currentWidgetInstance, $widgetArgs) {

	if (strpos($widgetArgs['widget_id'], 'td_block') !== 0) {
//		var_dump($widgetArgs);
//		var_dump($currentWidgetInstance);
		$global_block_template_id = td_options::get('tds_global_block_template', 'td_block_template_1');
		$widgetArgs['before_widget'] = str_replace(' class="', " class=\"$global_block_template_id ", $widgetArgs['before_widget']);

		$block_title_class = 'td-block-title';
		if ($global_block_template_id === 'td_block_template_1') {
			$block_title_class = 'block-title';
		}
		$widgetArgs['before_title'] = '<h4 class="' . $block_title_class . '"><span>';
		$widgetArgs['after_title'] = '</span></h4>';

		call_user_func_array(array($currentWidgetInstance, 'widget'), array($widgetArgs, $currentWidgetInstanceSettings));

		// Returning false will effectively short-circuit display of the widget.
		return false;
	}

	// Returning $currentWidgetInstanceSettings, as the apply_filters of this hook require
	return $currentWidgetInstanceSettings;
}



/**
 * Reset the 'td_timestamp_install_plugins' option - the registered plugins are checked again in td_first_install.php
 */
add_action('switch_theme', 'on_switch_theme_reset_install_plugin');
function on_switch_theme_reset_install_plugin() {
	td_util::update_option('td_timestamp_install_plugins', '');
}



/**
 * Prevent 'tagDiv AMP/AMP' plugin activation if the other plugin is already active
 */
add_action( 'init', 'td_add_amp_plugin_action_link_filters_on_init' );
function td_add_amp_plugin_action_link_filters_on_init() {

    // get all the plugins
    $wp_installed_plugins_list = get_plugins();

    if ( isset( $wp_installed_plugins_list['td-amp/td-amp.php'] ) ) {
        foreach ( $wp_installed_plugins_list as $plugin_slug => $plugin_data ) {
            if ( ( $plugin_data['Title'] === 'tagDiv AMP' && is_plugin_active( 'amp/amp.php' ) ) || ( $plugin_data['Title'] === 'AMP' && is_plugin_active( 'td-amp/td-amp.php' ) ) ) {
                add_filter( 'plugin_action_links_' . $plugin_slug, 'td_amp_plugin_filter_plugin_action_links_activate', 20 );
                add_action( 'after_plugin_row_' . $plugin_slug, 'td_amp_plugin_on_after_plugin_row', 10, 3 );
            }
        }
    }
}

/**
 * Removes plugin the 'activate' link
 */
function td_amp_plugin_filter_plugin_action_links_activate( $actions ) {
    unset( $actions['activate'] );
    return $actions;
}

/**
 * Adds plugin warning note in wp-admin/plugins.php list
 */
function td_amp_plugin_on_after_plugin_row($plugin_file, $plugin_data, $status) {

    $incompatible_plugin = 'AMP';

    if ( $plugin_data['Title'] === $incompatible_plugin ) {
        $incompatible_plugin = 'tagDiv AMP';
    }

        echo '
            <tr class="td-amp-plugin-warning plugin-update-tr">
                <td colspan="3" class="plugin-update colspanchange">
                    <div class="notice inline notice-warning notice-alt" style="">
                        <p><em><b>NOTE:</b></em> When the <b>' . $incompatible_plugin . '</b> plugin is active, you cannot use the <b>' . $plugin_data['Title'] . '</b> plugin! Please deactivate the <b>' . $incompatible_plugin . '</b> plugin to use the <b>' . $plugin_data['Title'] . '</b> plugin.</b></p>
                    </div>
                </td>
            </tr>
        ';
}


// remove wp versions on demos
if (TD_DEPLOY_MODE === 'demo') {
    function td_demo_remove_version() {
        return '';
    }
    add_filter('the_generator', 'td_demo_remove_version');


    // Pick out the version number from scripts and styles
    function td_demo_remove_version_from_style_js( $src ) {
        if ( strpos( $src, 'ver=' . get_bloginfo( 'version' ) ) ) {
            $src = add_query_arg( array('ver' => hash('crc32', get_bloginfo( 'version' ))), $src );
            //$src = remove_query_arg( 'ver', $src );
        }
        return $src;
    }
    add_filter( 'style_loader_src', 'td_demo_remove_version_from_style_js');
    add_filter( 'script_loader_src', 'td_demo_remove_version_from_style_js');


    // do not allow auto updates
    add_filter( 'allow_dev_auto_core_updates', '__return_false' );
    add_filter( 'allow_major_auto_core_updates', '__return_false' );
    add_filter( 'allow_minor_auto_core_updates', '__return_false' );
}
