<?php

require_once ET_BUILDER_DIR . 'core.php';
require_once ET_BUILDER_DIR . 'feature/ClassicEditor.php';
require_once ET_BUILDER_DIR . 'feature/post-content.php';
require_once ET_BUILDER_DIR . 'feature/dynamic-content.php';
require_once ET_BUILDER_DIR . 'api/DiviExtensions.php';

if ( wp_doing_ajax() && ! is_customize_preview() ) {
	define( 'WPE_HEARTBEAT_INTERVAL', et_builder_heartbeat_interval() );

	// Default ajax request exceptions
	$builder_load_requests = array(
		'action' => array(
			'et_pb_get_backbone_template',
			'et_pb_get_backbone_templates',
			'et_pb_process_computed_property',
			'et_fb_ajax_render_shortcode',
			'et_fb_ajax_save',
			'et_fb_get_shortcode_from_fb_object',
			'et_fb_ajax_drop_autosave',
			'et_fb_get_saved_layouts',
			'et_fb_save_layout',
			'et_fb_update_layout',
			'et_pb_execute_content_shortcodes',
			'et_pb_ab_builder_data',
			'et_pb_create_ab_tables',
			'et_pb_update_stats_table',
			'et_pb_ab_clear_cache',
			'et_pb_ab_clear_stats',
			'et_fb_prepare_shortcode',
			'et_fb_process_imported_content',
			'et_fb_get_saved_templates',
			'et_fb_retrieve_builder_data',
			'et_fb_update_builder_assets',
			'et_pb_process_custom_font',
			'et_builder_email_add_account',     // email opt-in module
			'et_builder_email_remove_account',  // email opt-in module
			'et_builder_email_get_lists',       // email opt-in module
			'et_builder_save_settings',         // builder plugin dashboard (global builder settings)
			'save_epanel',                      // ePanel (global builder settings)
			'et_builder_library_get_layout',
			'et_builder_library_get_layouts_data',
			'et_fb_fetch_attachments',
			'et_pb_get_saved_templates',
			'et_builder_resolve_post_content',
			'et_builder_activate_bfb_auto_draft',
			'et_builder_toggle_bfb',
		),
	);

	// Added built-in third party plugins support
	// Easy Digital Downloads
	if ( class_exists( 'Easy_Digital_Downloads') ) {
		$builder_load_requests['action'][] = 'edd_load_gateway';
	}

	// WooCommerce - it uses its own ajax endpoint instead of admin-ajax.php
	if ( class_exists( 'WooCommerce' ) ) {
		$builder_load_requests['wc-ajax'] = array(
			'update_order_review',
		);
	}

	// Merging third party exceptions; built-in exceptions should not be removable
	$builder_custom_load_requests = apply_filters( 'et_builder_load_requests', array() );

	if ( ! empty( $builder_custom_load_requests ) ) {
		foreach ( $builder_custom_load_requests as $builder_custom_query_string => $builder_custom_possible_values ) {
			if ( ! isset( $builder_load_requests[ $builder_custom_query_string ] ) ) {
				$builder_load_requests[ $builder_custom_query_string ] = $builder_custom_possible_values;
			} else {
				$builder_load_requests[ $builder_custom_query_string ] = array_merge( $builder_custom_possible_values, $builder_load_requests[ $builder_custom_query_string ] );
			}
		}
	}

	// Legacy compatibility for action only request exception filter
	$builder_load_actions = apply_filters( 'et_builder_load_actions', array() );

	if ( ! empty( $builder_load_actions ) ) {
		$builder_load_requests['action'] = array_merge( $builder_load_actions, $builder_load_requests[ 'action' ] );
	}

	// Determine whether current AJAX request should load builder or not
	$load_builder_on_ajax = false;

	// If current request's query string exists on list of possible values, load builder
	// phpcs:disable WordPress.Security.NonceVerification.NoNonceVerification
	foreach ( $builder_load_requests as $query_string => $possible_values ) {
		if ( isset( $_REQUEST[ $query_string ] ) && in_array( $_REQUEST[ $query_string ], $possible_values ) ) {
			$load_builder_on_ajax = true;

			break;
		}
	}

	define( 'ET_BUILDER_LOAD_ON_AJAX', $load_builder_on_ajax );

	$force_builder_load = isset( $_POST['et_load_builder_modules'] ) && '1' === $_POST['et_load_builder_modules'];
	$force_memory_limit = isset( $_POST['action'] ) && 'et_fb_retrieve_builder_data' === $_POST['action'];

	if ( isset( $_REQUEST['action'] ) && 'heartbeat' === $_REQUEST['action'] ) {
		// if this is the heartbeat, and if its not packing our heartbeat data, then return
		if ( !isset( $_REQUEST['data'] ) || !isset( $_REQUEST['data']['et'] ) ) {
			return;
		}
	} else if ( ! $force_builder_load && ! $load_builder_on_ajax ) {
		return;
	}

	if ( $force_memory_limit || et_should_memory_limit_increase() ) {
		et_increase_memory_limit();
	}
	// phpcs:enable
}

function et_builder_load_global_functions_script() {
	wp_enqueue_script( 'et-builder-modules-global-functions-script', ET_BUILDER_URI . '/scripts/frontend-builder-global-functions.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
}
add_action( 'wp_enqueue_scripts', 'et_builder_load_global_functions_script', 7 );

function et_builder_load_modules_styles() {
	$current_page_id = apply_filters( 'et_is_ab_testing_active_post_id', get_the_ID() );
	$is_fb_enabled = function_exists( 'et_fb_enabled' ) ? et_fb_enabled() : false;
	$is_ab_testing = function_exists( 'et_is_ab_testing_active' ) ? et_is_ab_testing_active() : false;

	wp_register_script( 'google-maps-api', esc_url_raw( add_query_arg( array( 'v' => 3, 'key' => et_pb_get_google_api_key() ), is_ssl() ? 'https://maps.googleapis.com/maps/api/js' : 'http://maps.googleapis.com/maps/api/js' ) ), array(), ET_BUILDER_VERSION, true );
	wp_register_script( 'hashchange', ET_BUILDER_URI . '/scripts/jquery.hashchange.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	wp_register_script( 'salvattore', ET_BUILDER_URI . '/scripts/salvattore.min.js', array(), ET_BUILDER_VERSION, true );
	wp_register_script( 'easypiechart', ET_BUILDER_URI . '/scripts/jquery.easypiechart.js', array( 'jquery' ), ET_BUILDER_VERSION, true );

	wp_enqueue_script( 'divi-fitvids', ET_BUILDER_URI . '/scripts/jquery.fitvids.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	wp_enqueue_script( 'waypoints', ET_BUILDER_URI . '/scripts/waypoints.min.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	wp_enqueue_script( 'magnific-popup', ET_BUILDER_URI . '/scripts/jquery.magnific-popup.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	wp_enqueue_script( 'et-jquery-touch-mobile', ET_BUILDER_URI . '/scripts/jquery.mobile.custom.min.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	wp_enqueue_script( 'et-builder-modules-script', ET_BUILDER_URI . '/scripts/frontend-builder-scripts.js', apply_filters( 'et_pb_frontend_builder_scripts_dependencies', array( 'jquery', 'et-jquery-touch-mobile' ) ), ET_BUILDER_VERSION, true );
	wp_enqueue_style( 'magnific-popup', ET_BUILDER_URI . '/styles/magnific_popup.css', array(), ET_BUILDER_VERSION );

	// Load modules wrapper on CPT
	if ( et_builder_post_is_of_custom_post_type() ) {
		wp_enqueue_script( 'et-builder-cpt-modules-wrapper', ET_BUILDER_URI . '/scripts/cpt-modules-wrapper.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	}

	if ( et_builder_has_limitation( 'register_fittext_script') ) {
		wp_register_script( 'fittext', ET_BUILDER_URI . '/scripts/jquery.fittext.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
	}

	/**
	 * Builder script handle name
	 *
	 * @since 3.??
	 *
	 * @param string
	 */
	$builder_modules_script_handle = apply_filters( 'et_builder_modules_script_handle', 'et-builder-modules-script' );

	// Load main styles CSS file only if the Builder plugin is active
	if ( et_is_builder_plugin_active() ) {
		$style_suffix = et_load_unminified_styles() ? '' : '.min';
		wp_enqueue_style( 'et-builder-modules-style', ET_BUILDER_URI . '/styles/frontend-builder-plugin-style' . $style_suffix . '.css', array(), ET_BUILDER_VERSION );
	}

	// Load visible.min.js only if AB testing active on current page OR VB (because post settings is synced between VB and BB)
	if ( $is_ab_testing || $is_fb_enabled ) {
		wp_enqueue_script( 'et-jquery-visible-viewport', ET_BUILDER_URI . '/scripts/ext/jquery.visible.min.js', array( 'jquery', 'et-builder-modules-script' ), ET_BUILDER_VERSION, true );
	}

	wp_localize_script( $builder_modules_script_handle, 'et_pb_custom', array(
		'ajaxurl'                => is_ssl() ? admin_url( 'admin-ajax.php' ) : admin_url( 'admin-ajax.php', 'http' ),
		'images_uri'             => get_template_directory_uri() . '/images',
		'builder_images_uri'     => ET_BUILDER_URI . '/images',
		'et_frontend_nonce'      => wp_create_nonce( 'et_frontend_nonce' ),
		'subscription_failed'    => esc_html__( 'Please, check the fields below to make sure you entered the correct information.', 'et_builder' ),
		'et_ab_log_nonce'        => wp_create_nonce( 'et_ab_testing_log_nonce' ),
		'fill_message'           => esc_html__( 'Please, fill in the following fields:', 'et_builder' ),
		'contact_error_message'  => esc_html__( 'Please, fix the following errors:', 'et_builder' ),
		'invalid'                => esc_html__( 'Invalid email', 'et_builder' ),
		'captcha'                => esc_html__( 'Captcha', 'et_builder' ),
		'prev'                   => esc_html__( 'Prev', 'et_builder' ),
		'previous'               => esc_html__( 'Previous', 'et_builder' ),
		'next'                   => esc_html__( 'Next', 'et_builder' ),
		'wrong_captcha'          => esc_html__( 'You entered the wrong number in captcha.', 'et_builder' ),
		'ignore_waypoints'       => et_is_ignore_waypoints() ? 'yes' : 'no',
		'is_divi_theme_used'     => function_exists( 'et_divi_fonts_url' ),
		'widget_search_selector' => apply_filters( 'et_pb_widget_search_selector', '.widget_search' ),
		'is_ab_testing_active'   => $is_ab_testing,
		'page_id'                => $current_page_id,
		'unique_test_id'         => get_post_meta( $current_page_id, '_et_pb_ab_testing_id', true ),
		'ab_bounce_rate'         => '' !== get_post_meta( $current_page_id, '_et_pb_ab_bounce_rate_limit', true ) ? get_post_meta( $current_page_id, '_et_pb_ab_bounce_rate_limit', true ) : 5,
		'is_cache_plugin_active' => false === et_pb_detect_cache_plugins() ? 'no' : 'yes',
		'is_shortcode_tracking'  => get_post_meta( $current_page_id, '_et_pb_enable_shortcode_tracking', true ),
		'tinymce_uri'            => defined( 'ET_FB_ASSETS_URI' ) ? ET_FB_ASSETS_URI . '/vendors' : '',
	) );

	/**
	 * Only load this during builder preview screen session
	 */
	if ( is_et_pb_preview() ) {
		// Set fixed protocol for preview URL to prevent cross origin issue
		$preview_scheme = is_ssl() ? 'https' : 'http';

		// Get home url, then parse it
		$preview_origin_component = parse_url( home_url( '', $preview_scheme ) );

		// Rebuild origin URL, strip sub-directory address if there's any (postMessage e.origin doesn't pass sub-directory address)
		$preview_origin = "";

		// Perform check, prevent unnecessary error
		if ( isset( $preview_origin_component['scheme'] ) && isset( $preview_origin_component['host'] ) ) {
			$preview_origin = "{$preview_origin_component['scheme']}://{$preview_origin_component['host']}";

			// Append port number if different port number is being used
			if ( isset( $preview_origin_component['port'] ) ) {
				$preview_origin = "{$preview_origin}:{$preview_origin_component['port']}";
			}
		}

		// Enqueue theme's style.css if it hasn't been enqueued (possibly being hardcoded by theme)
		if ( ! et_builder_has_theme_style_enqueued() && et_builder_has_limitation( 'force_enqueue_theme_style' ) ) {
			wp_enqueue_style( 'et-builder-theme-style-css', get_stylesheet_uri(), array() );
		}

		wp_enqueue_style( 'et-builder-preview-style', ET_BUILDER_URI . '/styles/preview.css', array(), ET_BUILDER_VERSION );
		wp_enqueue_script( 'et-builder-preview-script', ET_BUILDER_URI . '/scripts/frontend-builder-preview.js', array( 'jquery' ), ET_BUILDER_VERSION, true );
		wp_localize_script( 'et-builder-preview-script', 'et_preview_params', array(
			'preview_origin' => esc_url( $preview_origin ),
			'alert_origin_not_matched' => sprintf(
				esc_html__( 'Unauthorized access. Preview cannot be accessed outside %1$s.', 'et_builder' ),
				esc_url( home_url( '', $preview_scheme ) )
			),
		) );
	}
}
add_action( 'wp_enqueue_scripts', 'et_builder_load_modules_styles', 11 );

function et_builder_get_modules_js_data() {
	// Data shouldn't be loaded in Builder, so always pass an empty array there.
	$animation_data         = et_core_is_fb_enabled() ? array() : et_builder_handle_animation_data();
	$animation_data_json    = json_encode( $animation_data );

	$link_options_data      = et_core_is_fb_enabled() ? array() : et_builder_handle_link_options_data();
	$link_options_data_json = json_encode( $link_options_data );
	?>
	<script type="text/javascript">
		<?php if ( $animation_data ): ?>
		var et_animation_data = <?php echo et_core_esc_previously( $animation_data_json ); ?>;
		<?php endif;

		if ( $link_options_data ): ?>
		var et_link_options_data = <?php echo et_core_esc_previously( $link_options_data_json ); ?>;
		<?php endif; ?>
	</script>
	<?php
}
add_action( 'wp_footer', 'et_builder_get_modules_js_data' );

// Force Backbone templates cache to be cleared on language change to make sure the settings modal is translated
// defaults for arguments are provided because their number is different for both the actions
function et_pb_force_clear_template_cache( $meta_id = false, $object_id = false, $meta_key = false, $_meta_value = false) {
	$current_action = current_action();

	if ( ( 'updated_user_meta' === $current_action && 'locale' === $meta_key ) || 'update_option_WPLANG' === $current_action ) {
		et_update_option( 'et_pb_clear_templates_cache', true );
	}
}
add_action( 'update_option_WPLANG', 'et_pb_force_clear_template_cache' );
add_action( 'updated_user_meta', 'et_pb_force_clear_template_cache', 10, 4 );

function et_builder_handle_animation_data( $element_data = false ) {
	static $data = array();
	static $data_classes = array();

	if ( ! $element_data ) {
		return $data;
	}

	// This should not be possible but let's be safe
	if ( empty( $element_data['class'] ) ) {
		return;
	}

	// Prevent duplication animation data entries created by global modules
	if ( in_array( $element_data['class'], $data_classes ) ) {
		return;
	}

	$data[] = et_core_esc_previously( $element_data );
	$data_classes[] = et_core_esc_previously( $element_data['class'] );
}

function et_builder_handle_link_options_data( $element_data = false ) {
	static $data = array();
	static $data_classes = array();

	if ( ! $element_data ) {
		return $data;
	}

	// Safe checks bellow
	if ( empty( $element_data['class'] ) ) {
		return;
	}

	// Prevent duplication link options data entries created by global modules
	if ( in_array( $element_data['class'], $data_classes ) ) {
		return;
	}

	$data[] = $element_data;
	$data_classes[] = $element_data['class'];
}

/**
 * Get list of concatenated & minified script and their possible alternative name
 * @return array
 */
function et_builder_get_minified_scripts() {
	$minified_scripts = array(
		'et-shortcodes-js',
		'divi-fitvids',
		'fitvids', // possible alternative name
		'jquery-fitvids', // possible alternative name
		'waypoints',
		'jquery-waypoints', // possible alternative name
		'magnific-popup',
		'jquery-magnific-popup', // possible alternative name
		'hashchange',
		'jquery-hashchange', // possible alternative name
		'salvattore',
		'easypiechart',
		'jquery-easypiechart', // possible alternative name
		'et-builder-modules-global-functions-script',
		'et-jquery-touch-mobile',
		'et-builder-modules-script',
	);

	return apply_filters( 'et_builder_get_minified_scripts', $minified_scripts );
}

/**
 * Get list of concatenated & minified styles (sans style.css)
 * @return array
 */
function et_builder_get_minified_styles() {
	$minified_styles = array(
		'et-shortcodes-css',
		'et-shortcodes-responsive-css',
		'et-animations',
		'magnific-popup',
	);

	return apply_filters( 'et_builder_get_minified_styles', $minified_styles );
}

/**
 * Re-enqueue listed concatenated & minified scripts (and their possible alternative name) used empty string
 * to keep its dependency in order but avoiding WordPress to print the script to avoid the same file printed twice
 * Case in point: salvattore that is being called via builder module's render() method
 * @return void
 */
function et_builder_dequeue_minified_scripts() {
	if ( ! et_load_unminified_scripts() && ! is_admin() ) {

		/**
		 * Builder script handle name
		 *
		 * @since 3.??
		 *
		 * @param string
		 */
		$builder_script_handle = apply_filters( 'et_builder_modules_script_handle', 'et-builder-modules-script' );

		foreach ( et_builder_get_minified_scripts() as $script ) {
			// Get script's localized data before the script is dequeued
			$script_data = wp_scripts()->get_data( $script, 'data' );

			// If to-be dequeued script has localized data, get builder script's data and concatenated both to ensure compatibility
			// Concatenating is needed because script's localize data is saved as string (encoded array concatenated into variable name)
			if ( $script_data && '' !== trim( $script_data ) ) {

				// If builder script handle localized data returns false/empty, $script_data still need to be added
				$concatenated_scripts_data = implode( ' ', array_filter( array(
					wp_scripts()->get_data( $builder_script_handle, 'data' ),
					$script_data,
				) ) );

				// Add concatenated localized data to builder script handle
				wp_scripts()->add_data( $builder_script_handle, 'data', $concatenated_scripts_data );
			}

			// If dequeued script has inline script, get it then re-add it to builder script handle using appropriate position
			$inline_script_positions = array( 'before', 'after' );
			foreach ( $inline_script_positions as $inline_script_position ) {
				$inline_script = wp_scripts()->get_data( $script, $inline_script_position );

				// Inline script is saved as array. add_inline_script() method will handle it appending process
				if ( is_array( $inline_script ) && ! empty( $inline_script ) ) {
					wp_scripts()->add_inline_script( $builder_script_handle, implode( ' ', $inline_script ), $inline_script_position );
				}
			}

			wp_dequeue_script( $script );
			wp_deregister_script( $script );
			wp_register_script( $script, '', array(), ET_BUILDER_VERSION, true );
		}
	}
}
add_action( 'wp_print_scripts', 'et_builder_dequeue_minified_scripts', 99999999 ); // <head>
add_action( 'wp_print_footer_scripts', 'et_builder_dequeue_minified_scripts', 9 ); // <footer>

function et_builder_dequeue_minifieds_styles() {
	if ( ! et_load_unminified_styles() && ! is_admin() ) {
		// Get builder minified + combined style handle
		$builder_optimized_style_name = apply_filters( 'et_builder_optimized_style_handle', '' );

		foreach ( et_builder_get_minified_styles() as $style ) {
			// If dequeued style has inline style, get it then re-add it to minified + combiled style handle
			// Inline style only has 'after' position
			$inline_style = wp_styles()->get_data( $style, 'after' );

			// Inline style is saved as array. add_inline_style() method will handle it appending process
			if ( is_array( $inline_style ) && ! empty( $inline_style ) ) {
				wp_styles()->add_inline_style( $builder_optimized_style_name, implode( ' ', $inline_style ), 'after' );
			}

			wp_dequeue_style( $style );
			wp_deregister_style( $style );
			wp_register_style( $style, '', array(), ET_BUILDER_VERSION );
		}
	} else {
		// Child theme might manually enqueues parent themes' style.css. When combine + minify CSS file is enabled, this isn't an issue.
		// However, when combine + minify CSS is disabled, child theme should load style.dev.css (source) instead of style.css (minified).
		// Child theme might not considering this, which causes minified file + other source files are printed. To fix it, deregister any
		// style handle that contains parent theme's style.css URL, then re-queue new one with the same name handle + URL to parent theme's style.dev.css
		// This should be done in theme only. Divi-Builder plugin doesn't need this.
		if ( ! et_is_builder_plugin_active() && is_child_theme() ) {
			$template_directory_uri = preg_quote( get_template_directory_uri(), '/' );
			$optimized_style_src    = '/^(' . $template_directory_uri . '\/style)(-cpt)?(\.css)$/';
			$unoptimized_style_src  = '$1$2.dev$3';

			et_core_replace_enqueued_style( $optimized_style_src, $unoptimized_style_src, true );
		}
	}
}
add_action( 'wp_print_styles', 'et_builder_dequeue_minifieds_styles', 99999999 ); // <head>

/**
 * Determine whether current theme supports Waypoints or not
 * @return bool
 */
function et_is_ignore_waypoints() {
	// WPBakery Visual Composer plugin conflicts with waypoints
	if ( class_exists( 'Vc_Manager' ) ) {
		return true;
	}

	// always return false if not in divi plugin
	if ( ! et_is_builder_plugin_active() ) {
		return false;
	}

	$theme_data = wp_get_theme();

	if ( empty( $theme_data ) ) {
		return false;
	}

	// list of themes without Waypoints support
	$no_waypoints_themes = apply_filters( 'et_pb_no_waypoints_themes', array(
		'Avada'
	) );

	// return true if current theme doesn't support Waypoints
	if ( in_array( $theme_data->Name, $no_waypoints_themes, true ) ) {
		return true;
	}

	return false;
}

/**
 * Determine whether current page has enqueued theme's style.css or not
 * This is mainly used on preview screen to decide to enqueue theme's style nor not
 * @return bool
 */
function et_builder_has_theme_style_enqueued() {
	global $wp_styles;

	if ( ! empty( $wp_styles->queue  ) ) {
		$theme_style_uri = get_stylesheet_uri();

		foreach ( $wp_styles->queue as $handle) {
			if ( isset( $wp_styles->registered[$handle]->src ) && $theme_style_uri === $wp_styles->registered[$handle]->src ) {
				return true;
			}
		}
	}

	return false;
}

/**
 * Added specific body classes for builder related situation
 * This enables theme to adjust its case independently
 * @return array
 */
function et_builder_body_classes( $classes ) {
	if ( is_et_pb_preview() ) {
		$classes[] = 'et-pb-preview';
	}

	// Minified JS identifier class name
	if ( ! et_load_unminified_scripts() ) {
		$classes[] = 'et_minified_js';
	}

	// Minified CSS identifier class name
	if ( ! et_load_unminified_styles() ) {
		$classes[] = 'et_minified_css';
	}

	$post_id   = et_core_page_resource_get_the_ID();
	$post_type = get_post_type( $post_id );

	// Add layout classes when on library page
	if ( 'et_pb_layout' === $post_type ) {
		$layout_type = et_fb_get_layout_type( $post_id );
		$layout_scope = et_fb_get_layout_term_slug( $post_id, 'scope' );

		$classes[] = "et_pb_library_page-${layout_type}";
		$classes[] = "et_pb_library_page-${layout_scope}";
	}

	return $classes;
}
add_filter( 'body_class', 'et_builder_body_classes' );

if ( ! function_exists( 'et_builder_add_main_elements' ) ) :
function et_builder_add_main_elements() {
	require_once ET_BUILDER_DIR . 'main-structure-elements.php';
	require_once ET_BUILDER_DIR . 'main-modules.php';
	do_action( 'et_builder_ready' );
}
endif;

if ( ! function_exists( 'et_builder_load_framework' ) ) :
function et_builder_load_framework() {

	require_once ET_BUILDER_DIR . 'functions.php';
	require_once ET_BUILDER_DIR . 'compat/woocommerce.php';
	require_once ET_BUILDER_DIR . 'class-et-global-settings.php';
	require_once ET_BUILDER_DIR . 'feature/BlockEditorIntegration.php';

	if ( is_admin() ) {
		global $pagenow, $et_current_memory_limit;

		if ( ! empty( $pagenow ) && in_array( $pagenow, array( 'post.php', 'post-new.php' ) ) ) {
			$et_current_memory_limit = et_core_get_memory_limit();
		}
	}

	/**
	 * Filters builder modules loading hook. Load builder files on front-end and on specific admin pages only by default.
	 *
	 * @since 3.1
	 *
	 * @param string Hook name.
	 */
	$action_hook = apply_filters( 'et_builder_modules_load_hook', is_admin() ? 'wp_loaded' : 'wp' );

	if ( et_builder_should_load_framework() ) {
		require_once ET_BUILDER_DIR . 'class-et-builder-value.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-element.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-plugin-compat-base.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-plugin-compat-loader.php';
		require_once ET_BUILDER_DIR . 'ab-testing.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-settings.php';

		$builder_settings_loaded = true;

		do_action( 'et_builder_framework_loaded' );

		add_action( $action_hook, 'et_builder_init_global_settings', apply_filters( 'et_pb_load_global_settings_priority', 9 ) );
		add_action( $action_hook, 'et_builder_add_main_elements', apply_filters( 'et_pb_load_main_elements_priority', 10 ) );
	} else if ( is_admin() ) {
		require_once ET_BUILDER_DIR . 'class-et-builder-plugin-compat-base.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-plugin-compat-loader.php';
		require_once ET_BUILDER_DIR . 'class-et-builder-settings.php';
		$builder_settings_loaded = true;
	}

	if ( isset( $builder_settings_loaded ) ) {
		add_action( 'init', 'et_builder_settings_init', 100 );
	}

	add_action( $action_hook, 'et_builder_load_frontend_builder' );

	if ( isset( $_GET['et_bfb'] ) && is_user_logged_in() ) {
		add_filter( 'wpe_heartbeat_allowed_pages', 'et_bfb_wpe_heartbeat_allowed_pages' );
	}
}
endif;

/**
 * Checking whether current page is BFB page based on its query string only; Suitable for basic
 * early check BEFORE $wp_query global is generated in case builder need to alter query
 * configuration. This is needed because BFB layout is basically loaded in front-end
 *
 * @since 3.19.9
 *
 * @return bool
 */
function et_bfb_maybe_bfb_url() {
	$has_bfb_query_string = ! empty( $_GET['et_fb'] ) && ! empty( $_GET['et_bfb'] );
	$has_vb_permission    = et_pb_is_allowed( 'use_visual_builder' );

	// This check assumes that $wp_query isn't ready (to be used before query is parsed) so any
	// query based check such as is_single(), etc don't exist yet. Thus BFB URL might valid if:
	// 1. not admin page
	// 2. user has logged in
	// 3. has `et_fb` & `et_bfb` query string
	// 4. has visual builder permission
	return ! is_admin() && is_user_logged_in() && $has_bfb_query_string && $has_vb_permission;
}

/**
 * Get verified query string value for et_bfb_make_post_type_queryable()
 *
 * @since 3.19.9
 *
 * @param string $param_name
 *
 * @return string|number|bool
 */
function et_bfb_get_make_queryable_param( $param_name ) {
	$param             = isset( $_GET[ "et_{$param_name}" ] ) ? $_GET[ "et_{$param_name}" ] : false;
	$param_nonce       = isset( $_GET[ "et_{$param_name}_nonce" ] ) ? $_GET[ "et_{$param_name}_nonce"] : false;
	$verified_param    = $param && $param_nonce && wp_verify_nonce(
		$param_nonce,
		"et_{$param_name}_{$param}"
	);

	return $verified_param ? $param : false;
}

/**
 * Set builder's registered post type's publicly_queryable property to true (if needed) so publicly
 * hidden post type can render BFB page on backend edit screen
 *
 * @see WP->parse_request() on how request is parsed
 *
 * @since 3.19.9
 *
 * @return void
 */
function et_bfb_make_post_type_queryable() {
	// Valid query isn't available at this point so builder will guess whether current request is
	// BFB based on available value; Stop if this might not be BFB url
	if ( ! et_bfb_maybe_bfb_url() ) {
		return;
	}

	$get_post_id   = absint( et_bfb_get_make_queryable_param( 'post_id' ) );
	$get_post_type = sanitize_text_field( et_bfb_get_make_queryable_param( 'post_type' ) );

	// Stop if no valid post id / post type for make queryable found on query string
	if ( ! $get_post_id || ! $get_post_type ) {
		return;
	}

	$post_type_object = get_post_type_object( $get_post_type );

	// Stop if requested post type doesn't exist
	if ( is_null( $post_type_object ) ) {
		return;
	}

	$unqueryable_post_type    = et_builder_get_third_party_unqueryable_post_types();
	$is_post_type_unqueryable = in_array( $get_post_type, $unqueryable_post_type );

	// CPT's version of edit_post is always available on cap->edit_post regardless CPT's meta_map_cap
	// or capability_type setting are set or not. If meta_map_cap is set to true, WordPress
	// automatically translates it into edit_post. Otherwise, CPT version of edit_post is sent as
	// it is and it is plugin / post type registrant's responsibility to add the capability to role
	// and map it into primitive capabilities on map_meta_cap()
	$capability               = isset( $post_type_object->cap->edit_post ) ? $post_type_object->cap->edit_post : 'edit_post';
	$can_edit_this_post       = current_user_can( $capability, $get_post_id );

	// Flip publicly_queryable of current request so BFB layout page can be rendered.
	// Note: post_type existence have been verified on is_null( $post_type_object ) check above
	if ( $is_post_type_unqueryable && $can_edit_this_post ) {
		global $wp_post_types;

		$wp_post_types[ $get_post_type ]->publicly_queryable = true;
	}
}
add_action( 'init', 'et_bfb_make_post_type_queryable' );

/**
 * Modify rewrite rule's redirect of current BFB request if its post type's `publicly_queryable`
 * is set to false and its `query_var` is NOT set to `false`. When this situation happens, current
 * BFB page cannot be rendered because rewrite rule's redirect value doesn't have `post_type`
 * param which makes page query gets incorrect page value
 *
 * @since 3.19.9
 *
 * @return void
 */
function et_bfb_make_cpt_rewrite_rule_queryable( $value ) {
	// Get verified make queryable post_type param from query string
	$unqueryable_post_type = et_bfb_get_make_queryable_param( 'post_type' );

	// Make sure that value is array, current request might be BFB, and verified post_type from
	// query string exist. Note: need to use early return otherwise the rest need multiple stack
	// if/else condition
	if ( ! is_array( $value ) || ! et_bfb_maybe_bfb_url() || ! $unqueryable_post_type ) {
		return $value;
	}

	$rewrite_regex        = $unqueryable_post_type . '/([^/]+)(?:/([0-9]+))?/?$';
	$rewrite_redirect     = isset( $value[ $rewrite_regex ] ) ? $value[ $rewrite_regex ] : false;
	$has_post_type_substr = $rewrite_redirect && strpos( $rewrite_redirect, '?post_type=' ) !== false;
	$post_type_object     = get_post_type_object( $unqueryable_post_type );

	// If current page's post type object `query_var` isn't falsey and no `post_type=` substring is
	// found on current page's post type rewrite rule redirect value, modify the rewrite rule
	// redirect value so it can picks up current post type when query is parsed
	if ( $post_type_object->query_var && ! $has_post_type_substr ) {
		$value[ $rewrite_regex ] = 'index.php?post_type=' . $unqueryable_post_type . '&name=$matches[1]&page=$matches[2]';
	}

	return $value;
}
add_filter( 'option_rewrite_rules', 'et_bfb_make_cpt_rewrite_rule_queryable' );

if ( ! function_exists( 'et_bfb_wpe_heartbeat_allowed_pages' ) ):
function et_bfb_wpe_heartbeat_allowed_pages( $pages ) {
	global $pagenow;

	$pages[] = $pagenow;

	return $pages;
}
endif;

function et_builder_load_frontend_builder() {
	global $et_current_memory_limit;

	$et_current_memory_limit = et_core_get_memory_limit();

	if ( $et_current_memory_limit < 256 ) {
		@ini_set( 'memory_limit', '256M' );
	}

	require_once ET_BUILDER_DIR . 'frontend-builder/init.php';
}

if ( ! function_exists( 'et_pb_get_google_api_key' ) ) :
function et_pb_get_google_api_key() {
	$google_api_option = get_option( 'et_google_api_settings' );
	$google_api_key = isset( $google_api_option['api_key'] ) ? $google_api_option['api_key'] : '';

	return $google_api_key;
}
endif;

if ( ! function_exists( 'et_pb_enqueue_google_maps_script' ) ) :
function et_pb_enqueue_google_maps_script() {
	$google_api_option = get_option( 'et_google_api_settings' );
	$google_maps_script_enqueue = !$google_api_option || !isset( $google_api_option['enqueue_google_maps_script'] ) || (isset( $google_api_option['enqueue_google_maps_script'] ) && 'on' === $google_api_option['enqueue_google_maps_script']) ? true : false;

	return apply_filters(
		'et_pb_enqueue_google_maps_script',
		$google_maps_script_enqueue
	);
}
endif;

/**
 * Add pseudo-action via the_content to hook filter/action at the end of main content
 * @param string  content string
 * @return string content string
 */
function et_pb_content_main_query( $content ) {
	global $post, $et_pb_comments_print;

	// Perform filter on main query + if builder is used only
	if ( is_main_query() && et_pb_is_pagebuilder_used( get_the_ID() ) ) {
		add_filter( 'comment_class', 'et_pb_add_non_builder_comment_class', 10, 5 );

		// Actual front-end only adjustment. has_shortcode() can't use passed $content since
		// Its shortcode has been parsed
		if ( false === $et_pb_comments_print && ! et_fb_is_enabled() && has_shortcode( $post->post_content, 'et_pb_comments' ) ) {
			add_filter( 'get_comments_number', '__return_zero' );
			add_filter( 'comments_open', '__return_false' );
			add_filter( 'comments_array', '__return_empty_array' );
		}
	}

	return $content;
}
add_filter( 'the_content', 'et_pb_content_main_query', 1500 );

/**
 * Added special class name for comment items that are placed outside builder
 *
 * See {@see 'comment_class'}.
 *
 * @param  array       $classes    classname
 * @param  string      $comment    comma separated list of additional classes
 * @param  int         $comment_ID comment ID
 * @param  WP_Comment  $comment    comment object
 * @param  int|WP_Post $post_id    post ID or WP_Post object
 *
 * @return array modified classname
 */
function et_pb_add_non_builder_comment_class( $classes, $class, $comment_ID, $comment, $post_id ) {

	$classes[] = 'et-pb-non-builder-comment';

	return $classes;
}

et_builder_load_framework();
