<?php
/**
 * Assets static and dynamic.
 *
 * @package visual-portfolio
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Visual_Portfolio_Assets
 */
class Visual_Portfolio_Assets {
	/**
	 * List with stored assets.
	 *
	 * @var array
	 */
	private static $stored_assets = array(
		'script'         => array(),
		'style'          => array(),
		'template_style' => array(),
	);

	/**
	 * When styles already included in head.
	 *
	 * @var array
	 */
	private static $head_css_included = false;

	/**
	 * Visual_Portfolio_Assets constructor.
	 */
	public function __construct() {
		// template_redirect is used instead of wp_enqueue_scripts just because some plugins use it and included an old isotope plugin. So, it was conflicted.
		add_action( 'template_redirect', array( $this, 'register_scripts' ), 9 );
		add_action( 'wp_enqueue_scripts', array( $this, 'wp_enqueue_head_assets' ), 9 );

		add_action( 'template_redirect', array( $this, 'popup_custom_styles' ) );
		add_action( 'template_redirect', array( $this, 'assets_for_default_wordpress_images' ) );

		add_action( 'wp_footer', array( $this, 'wp_enqueue_foot_assets' ) );

		add_action( 'wp_head', array( $this, 'localize_global_data' ) );

		// noscript tag.
		add_action( 'wp_head', array( $this, 'add_noscript_styles' ) );

		// parse shortcodes from post content.
		add_filter( 'wp', array( $this, 'maybe_parse_shortcodes_from_content' ), 10 );
		add_action( 'vpf_parse_blocks', array( $this, 'maybe_parse_blocks_from_content' ), 11 );

		// enqueue runtime.
		add_action( 'enqueue_block_editor_assets', 'Visual_Portfolio_Assets::enqueue_runtime', 11 );
		add_action( 'wp_enqueue_scripts', 'Visual_Portfolio_Assets::enqueue_runtime', 8 );
	}

	/**
	 * Check if Webpack HMR file available.
	 *
	 * @return boolean
	 */
	public static function is_webpack_hmr_support() {
		return file_exists( visual_portfolio()->plugin_path . '/build/runtime.js' );
	}

	/**
	 * Enqueue runtime script.
	 */
	public static function enqueue_runtime() {
		// HMR Webpack.
		if ( self::is_webpack_hmr_support() ) {
			self::enqueue_script( 'visual-portfolio-runtime', 'build/runtime', array(), null, false );
		}
	}

	/**
	 * Get .asset.php file data.
	 *
	 * @param string $filepath asset file path.
	 * @param string $filetype asset file type [style|script].
	 *
	 * @return array
	 */
	public static function get_asset_file( $filepath, $filetype = '' ) {
		$asset_path = visual_portfolio()->plugin_path . '/' . str_replace( '.min', '', $filepath ) . '.asset.php';

		if ( file_exists( $asset_path ) ) {
            // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound
			return include $asset_path;
		} elseif ( ! empty( $filetype ) ) {
			$file_ext       = 'style' === $filetype ? 'css' : 'js';
			$full_file_path = visual_portfolio()->plugin_path . '/' . $filepath . '.' . $file_ext;
			$file_version   = file_exists( $full_file_path ) ? filemtime( $full_file_path ) : null;
		}

		return array(
			'dependencies' => array(),
			'version'      => $file_version ?? VISUAL_PORTFOLIO_VERSION,
		);
	}

	/**
	 * Register script.
	 *
	 * @param string  $name asset name.
	 * @param string  $path file path.
	 * @param array   $dependencies asset dependencies.
	 * @param string  $version asset version.
	 * @param boolean $in_footer render in footer.
	 */
	public static function register_script( $name, $path, $dependencies = array(), $version = null, $in_footer = true ) {
		$script_data = self::get_asset_file( $path, 'script' );

		if ( ! empty( $dependencies ) ) {
			$script_data['dependencies'] = array_unique(
				array_merge(
					$script_data['dependencies'],
					$dependencies
				)
			);
		}

		wp_register_script(
			$name,
			visual_portfolio()->plugin_url . $path . '.js',
			$script_data['dependencies'],
			$version ?? $script_data['version'],
			$in_footer
		);
	}

	/**
	 * Enqueue script.
	 *
	 * @param string  $name asset name.
	 * @param string  $path file path.
	 * @param array   $dependencies asset dependencies.
	 * @param string  $version asset version.
	 * @param boolean $in_footer render in footer.
	 */
	public static function enqueue_script( $name, $path, $dependencies = array(), $version = null, $in_footer = true ) {
		self::register_script( $name, $path, $dependencies, $version, $in_footer );

		wp_enqueue_script( $name );
	}

	/**
	 * Register style
	 *
	 * @param string $name asset name.
	 * @param string $path file path.
	 * @param array  $dependencies asset dependencies.
	 * @param string $version asset version.
	 */
	public static function register_style( $name, $path, $dependencies = array(), $version = null ) {
		$style_data = self::get_asset_file( $path, 'style' );

		wp_register_style(
			$name,
			visual_portfolio()->plugin_url . $path . '.css',
			$dependencies,
			$version ?? $style_data['version']
		);
	}

	/**
	 * Enqueue style
	 *
	 * @param string $name asset name.
	 * @param string $path file path.
	 * @param array  $dependencies asset dependencies.
	 * @param string $version asset version.
	 */
	public static function enqueue_style( $name, $path, $dependencies = array(), $version = null ) {
		self::register_style( $name, $path, $dependencies, $version );

		wp_enqueue_style( $name );
	}

	/**
	 * Store used assets, so we can enqueue it later.
	 *
	 * @param string      $name - asset name.
	 * @param bool|string $value - just enqueue flag or url to asset.
	 * @param string      $type - assets type [script|style|template_style].
	 * @param int         $priority - asset enqueue priority.
	 */
	public static function store_used_assets( $name, $value = true, $type = 'script', $priority = 10 ) {
		if ( ! isset( self::$stored_assets[ $type ] ) ) {
			return;
		}

		if ( isset( self::$stored_assets[ $type ][ $name ] ) ) {
			return;
		}

		self::$stored_assets[ $type ][ $name ] = array(
			'value'    => $value,
			'priority' => $priority,
		);
	}

	/**
	 * Remove stored assets. May be used for advanced functionality.
	 *
	 * @param string $name - asset name.
	 * @param string $type - assets type [script|style|template_style].
	 */
	public static function remove_stored_assets( $name, $type = 'script' ) {
		if ( ! isset( self::$stored_assets[ $type ][ $name ] ) ) {
			return;
		}

		unset( self::$stored_assets[ $type ][ $name ] );
	}

	/**
	 * Enqueue stored assets.
	 *
	 * @param string $type - assets type [script|style|template_style].
	 */
	public static function enqueue_stored_assets( $type = 'script' ) {
		if ( ! isset( self::$stored_assets[ $type ] ) || empty( self::$stored_assets[ $type ] ) ) {
			return;
		}

		uasort(
			self::$stored_assets[ $type ],
			function ( $a, $b ) {
				if ( $a === $b ) {
					return 0;
				}

				if ( isset( $a['priority'] ) && isset( $b['priority'] ) ) {
					return $a['priority'] < $b['priority'] ? -1 : 1;
				}

				return 0;
			}
		);

		foreach ( self::$stored_assets[ $type ] as $name => $data ) {
			if ( isset( $data['value'] ) && $data['value'] ) {
				if ( 'script' === $type ) {
					wp_enqueue_script( $name, '', array(), VISUAL_PORTFOLIO_VERSION, true );
				} elseif ( is_string( $data['value'] ) ) {
					// Don't provide version for template style,
					// it will be added automatically using `filemtime`.
					visual_portfolio()->include_template_style( $name, $data['value'], array() );
				} else {
					wp_enqueue_style( $name, '', array(), VISUAL_PORTFOLIO_VERSION );
				}

				self::$stored_assets[ $type ]['value'] = false;
			}
		}
	}

	/**
	 * Enqueue assets based on layout data.
	 *
	 * @param array $options - layout data.
	 */
	public static function enqueue( $options ) {
		$options = Visual_Portfolio_Get::get_options( $options );

		do_action( 'vpf_before_assets_enqueue', $options, $options['id'] );

		self::store_used_assets( 'visual-portfolio', true, 'style', 9 );
		self::store_used_assets( 'visual-portfolio-notices-default', true, 'style', 9 );
		self::store_used_assets(
			'visual-portfolio-notices-default',
			'notices/style',
			'template_style'
		);

		self::store_used_assets( 'visual-portfolio-errors-default', true, 'style', 9 );
		self::store_used_assets(
			'visual-portfolio-errors-default',
			'errors/style',
			'template_style'
		);

		// Additional styles for Elementor.
		if ( class_exists( '\Elementor\Plugin' ) ) {
			self::store_used_assets( 'visual-portfolio-elementor', true, 'style', 9 );
		}

		self::store_used_assets( 'visual-portfolio', true, 'script', 12 );

		// Layout.
		switch ( $options['layout'] ) {
			case 'masonry':
				self::store_used_assets( 'visual-portfolio-layout-masonry', true, 'script' );
				self::store_used_assets( 'visual-portfolio-layout-masonry', true, 'style' );
				break;
			case 'grid':
				self::store_used_assets( 'visual-portfolio-layout-grid', true, 'script' );
				self::store_used_assets( 'visual-portfolio-layout-grid', true, 'style' );
				break;
			case 'tiles':
				self::store_used_assets( 'visual-portfolio-layout-tiles', true, 'script' );
				self::store_used_assets( 'visual-portfolio-layout-tiles', true, 'style' );
				break;
			case 'justified':
				self::store_used_assets( 'visual-portfolio-layout-justified', true, 'script' );
				self::store_used_assets( 'visual-portfolio-layout-justified', true, 'style' );
				break;
			case 'slider':
				self::store_used_assets( 'visual-portfolio-layout-slider', true, 'script' );
				self::store_used_assets( 'visual-portfolio-layout-slider', true, 'style' );
				break;
		}

		// Custom Scrollbar.
		self::store_used_assets( 'visual-portfolio-custom-scrollbar', true, 'script' );
		self::store_used_assets( 'visual-portfolio-custom-scrollbar', true, 'style' );

		// Items Style.
		if ( $options['items_style'] ) {
			$items_style_pref = '';

			if ( 'default' !== $options['items_style'] ) {
				$items_style_pref = '/' . $options['items_style'];
			}

			switch ( $options['items_style'] ) {
				case 'fly':
					self::store_used_assets( 'visual-portfolio-items-style-fly', true, 'script' );
					break;
			}

			self::store_used_assets(
				'visual-portfolio-items-style-' . $options['items_style'],
				'items-list/items-style' . $items_style_pref . '/style',
				'template_style'
			);
		}

		// Images Lazy Loading.
		if ( Visual_Portfolio_Settings::get_option( 'lazy_loading', 'vp_images' ) ) {
			self::enqueue_lazyload_assets();
		}

		// Popup.
		if ( 'popup_gallery' === $options['items_click_action'] ) {
			self::enqueue_popup_assets();
		}

		$layout_elements = array();

		if ( isset( $options['layout_elements']['top']['elements'] ) ) {
			$layout_elements = array_merge( $layout_elements, $options['layout_elements']['top']['elements'] );
		}
		if ( isset( $options['layout_elements']['bottom']['elements'] ) ) {
			$layout_elements = array_merge( $layout_elements, $options['layout_elements']['bottom']['elements'] );
		}

		// Filter.
		if ( in_array( 'filter', $layout_elements, true ) ) {
			$filter_style_pref = '';

			if ( 'default' !== $options['filter'] ) {
				$filter_style_pref = '/' . $options['filter'];
			}

			self::store_used_assets(
				'visual-portfolio-filter-' . $options['filter'],
				'items-list/filter' . $filter_style_pref . '/style',
				'template_style'
			);
		}

		// Sort.
		if ( in_array( 'sort', $layout_elements, true ) ) {
			$sort_style_pref = '';

			if ( 'default' !== $options['sort'] ) {
				$sort_style_pref = '/' . $options['sort'];
			}

			self::store_used_assets(
				'visual-portfolio-sort-' . $options['sort'],
				'items-list/sort' . $sort_style_pref . '/style',
				'template_style'
			);
		}

		// Pagination.
		if ( in_array( 'pagination', $layout_elements, true ) ) {
			$pagination_style_pref = '';

			if ( 'default' !== $options['pagination_style'] ) {
				$pagination_style_pref = '/' . $options['pagination_style'];
			}

			// Infinite scroll pagination script.
			if ( 'infinite' === $options['pagination'] ) {
				self::store_used_assets( 'visual-portfolio-pagination-infinite', true, 'script' );
			}

			// Minimal page pagination helpful script.
			if ( 'minimal' === $options['pagination_style'] && 'paged' === $options['pagination'] ) {
				self::store_used_assets( 'visual-portfolio-pagination-minimal-paged', true, 'script' );
			}

			self::store_used_assets(
				'visual-portfolio-pagination-' . $options['pagination_style'],
				'items-list/pagination' . $pagination_style_pref . '/style',
				'template_style'
			);
		}

		// Dynamic styles.
		// Always add it even if no custom CSS available to better render dynamic styles in preview.
		$dynamic_styles      = Visual_Portfolio_Controls_Dynamic_CSS::get( $options );
		$controls_css_handle = 'vp-dynamic-styles-' . $options['id'];

		if ( ! wp_style_is( $controls_css_handle, 'enqueued' ) ) {
			$dynamic_styles = wp_kses( $dynamic_styles, array( '\'', '\"' ) );
			$dynamic_styles = str_replace( '&gt;', '>', $dynamic_styles );

			$dynamic_styles_inline_style = apply_filters( 'vpf_enqueue_dynamic_styles_inline_style', ! self::$head_css_included, $dynamic_styles, $controls_css_handle );

			// Enqueue custom CSS.
			if ( $dynamic_styles_inline_style ) {
				wp_register_style( $controls_css_handle, false, array(), VISUAL_PORTFOLIO_VERSION );
				wp_enqueue_style( $controls_css_handle );
				wp_add_inline_style( $controls_css_handle, $dynamic_styles ? $dynamic_styles : ' ' );

				// Enqueue JS instead of CSS when rendering in <body> to prevent W3C errors.
			} elseif ( ! wp_script_is( $controls_css_handle, 'enqueued' ) ) {
				wp_register_script( $controls_css_handle, false, array(), VISUAL_PORTFOLIO_VERSION, true );
				wp_enqueue_script( $controls_css_handle );
				wp_add_inline_script(
					$controls_css_handle,
					'(function(){
                        var styleTag = document.createElement("style");
                        styleTag.id = "' . esc_attr( $controls_css_handle ) . '-inline-css";
                        styleTag.innerHTML = ' . wp_json_encode( $dynamic_styles ? $dynamic_styles : ' ' ) . ';
                        document.body.appendChild(styleTag);
                    }());'
				);
			}
		}

		self::store_used_assets( $controls_css_handle, true, 'style' );

		do_action( 'vpf_after_assets_enqueue', $options, $options['id'] );
	}

	/**
	 * Enqueue popup assets.
	 *
	 * @return void
	 */
	public static function enqueue_popup_assets() {
		$popup_vendor = Visual_Portfolio_Settings::get_option( 'vendor', 'vp_popup_gallery' );

		// Photoswipe.
		if ( 'photoswipe' === $popup_vendor && apply_filters( 'vpf_enqueue_plugin_photoswipe', true ) ) {
			self::store_used_assets( 'visual-portfolio-plugin-photoswipe', true, 'script' );
			self::store_used_assets( 'visual-portfolio-popup-photoswipe', true, 'style' );

			// Fancybox.
		} elseif ( 'fancybox' === $popup_vendor && apply_filters( 'vpf_enqueue_plugin_fancybox', true ) ) {
			self::store_used_assets( 'visual-portfolio-plugin-fancybox', true, 'script' );
			self::store_used_assets( 'visual-portfolio-popup-fancybox', true, 'style' );
		}
	}

	/**
	 * Enqueue lazyload assets.
	 *
	 * @return void
	 */
	public static function enqueue_lazyload_assets() {
		// Disable lazyload assets using filter.
		// Same filter used in `class-images.php`.
		if ( ! apply_filters( 'vpf_images_lazyload', true ) ) {
			return;
		}

		self::store_used_assets( 'visual-portfolio-lazyload', true, 'script' );
		self::store_used_assets( 'visual-portfolio-lazyload', true, 'style' );

		// lazy load fallback.
		add_action( 'wp_head', 'Visual_Portfolio_Assets::add_lazyload_fallback_script' );
	}

	/**
	 * Register scripts that will be used in the future when portfolio will be printed.
	 */
	public function register_scripts() {
		$vp_deps       = array( 'imagesloaded' );
		$vp_style_deps = array();

		$popup_vendor = Visual_Portfolio_Settings::get_option( 'vendor', 'vp_popup_gallery' );

		do_action( 'vpf_before_assets_register' );

		// Isotope.
		if ( apply_filters( 'vpf_enqueue_plugin_isotope', true ) ) {
			self::register_script( 'isotope', 'assets/vendor/isotope-layout/dist/isotope.pkgd.min', array( 'jquery' ), '3.0.6' );
		}

		// fjGallery.
		if ( apply_filters( 'vpf_enqueue_plugin_flickr_justified_gallery', true ) ) {
			self::register_script( 'flickr-justified-gallery', 'assets/vendor/flickr-justified-gallery/dist/fjGallery.min', array( 'jquery' ), '2.1.2' );
		}

		// PhotoSwipe.
		if ( 'photoswipe' === $popup_vendor && apply_filters( 'vpf_enqueue_plugin_photoswipe', true ) ) {
			self::register_style( 'photoswipe', 'assets/vendor/photoswipe/dist/photoswipe', array(), '4.1.3' );
			self::register_style( 'photoswipe-default-skin', 'assets/vendor/photoswipe/dist/default-skin/default-skin', array( 'photoswipe' ), '4.1.3' );
			self::register_script( 'photoswipe', 'assets/vendor/photoswipe/dist/photoswipe.min', array( 'jquery' ), '4.1.3' );
			self::register_script( 'photoswipe-ui-default', 'assets/vendor/photoswipe/dist/photoswipe-ui-default.min', array( 'jquery', 'photoswipe' ), '4.1.3' );

			// Fancybox.
		} elseif ( 'fancybox' === $popup_vendor && apply_filters( 'vpf_enqueue_plugin_fancybox', true ) ) {
			self::register_style( 'fancybox', 'assets/vendor/fancybox/dist/jquery.fancybox.min', array(), '3.5.7' );
			self::register_script( 'fancybox', 'assets/vendor/fancybox/dist/jquery.fancybox.min', array( 'jquery' ), '3.5.7' );
		}

		// Swiper.
		if ( apply_filters( 'vpf_enqueue_plugin_swiper', true ) ) {
			self::register_style( 'swiper', 'assets/vendor/swiper/swiper-bundle.min', array(), '8.4.7' );
			self::register_script( 'swiper', 'assets/vendor/swiper/swiper-bundle.min', array(), '8.4.7' );
		}

		// Simplebar.
		if ( apply_filters( 'vpf_enqueue_plugin_simplebar', true ) ) {
			self::register_style( 'simplebar', 'assets/vendor/simplebar/dist/simplebar.min', array(), '5.3.0' );
			self::register_script( 'simplebar', 'assets/vendor/simplebar/dist/simplebar.min', array(), '5.3.0' );
		}

		// LazySizes.
		if ( apply_filters( 'vpf_enqueue_plugin_lazysizes', true ) ) {
			self::register_script( 'lazysizes-config', 'build/assets/js/lazysizes-cfg', array() );
			self::register_script( 'lazysizes-object-fit-cover', 'build/assets/js/lazysizes-object-fit-cover', array(), '4.1.0' );
			self::register_script( 'lazysizes-swiper-duplicates-load', 'build/assets/js/lazysizes-swiper-duplicates-load', array() );
			self::register_script( 'lazysizes', 'assets/vendor/lazysizes/lazysizes.min', array( 'lazysizes-config', 'lazysizes-object-fit-cover', 'lazysizes-swiper-duplicates-load' ), '5.3.2' );
		}

		// Visual Portfolio CSS.
		$vp_styles = array(
			'visual-portfolio'                  => array( 'build/assets/css/main', $vp_style_deps ),
			'visual-portfolio-elementor'        => array( 'build/assets/css/elementor', array( 'visual-portfolio' ) ),
			'visual-portfolio-lazyload'         => array( 'build/assets/css/lazyload', array() ),
			'visual-portfolio-custom-scrollbar' => array( 'build/assets/css/custom-scrollbar', array( 'simplebar' ) ),
			'visual-portfolio-layout-justified' => array( 'build/assets/css/layout-justified', array( 'visual-portfolio' ) ),
			'visual-portfolio-layout-slider'    => array( 'build/assets/css/layout-slider', array( 'visual-portfolio', 'swiper' ) ),
			'visual-portfolio-layout-masonry'   => array( 'build/assets/css/layout-masonry', array( 'visual-portfolio' ) ),
			'visual-portfolio-layout-grid'      => array( 'build/assets/css/layout-grid', array( 'visual-portfolio' ) ),
			'visual-portfolio-layout-tiles'     => array( 'build/assets/css/layout-tiles', array( 'visual-portfolio' ) ),
			'visual-portfolio-popup-fancybox'   => array( 'build/assets/css/popup-fancybox', array( 'visual-portfolio', 'fancybox' ) ),
			'visual-portfolio-popup-photoswipe' => array( 'build/assets/css/popup-photoswipe', array( 'visual-portfolio', 'photoswipe-default-skin' ) ),
		);

		foreach ( $vp_styles as $name => $data ) {
			self::register_style( $name, $data[0], $data[1] );
			wp_style_add_data( $name, 'rtl', 'replace' );
			wp_style_add_data( $name, 'suffix', '.min' );
		}

		// Visual Portfolio JS.
		$vp_scripts = array(
			'visual-portfolio' => array(
				'build/assets/js/main',
				$vp_deps,
			),
			'visual-portfolio-plugin-isotope' => array(
				'build/assets/js/plugin-isotope',
				array(
					'isotope',
				),
			),
			'visual-portfolio-plugin-fj-gallery' => array(
				'build/assets/js/plugin-fj-gallery',
				array(
					'flickr-justified-gallery',
				),
			),
			'visual-portfolio-plugin-swiper' => array(
				'build/assets/js/plugin-swiper',
				array(
					'swiper',
				),
			),
			'visual-portfolio-custom-scrollbar' => array(
				'build/assets/js/custom-scrollbar',
				array(
					'simplebar',
				),
			),
			'visual-portfolio-lazyload' => array(
				'build/assets/js/lazyload',
				array(
					'lazysizes',
				),
			),
			'visual-portfolio-popup-gallery' => array(
				'build/assets/js/popup-gallery',
			),
			'visual-portfolio-plugin-photoswipe' => array(
				'build/assets/js/plugin-photoswipe',
				array(
					'photoswipe-ui-default',
					'visual-portfolio-popup-gallery',
				),
			),
			'visual-portfolio-plugin-fancybox' => array(
				'build/assets/js/plugin-fancybox',
				array(
					'fancybox',
					'visual-portfolio-popup-gallery',
				),
			),
			'visual-portfolio-layout-masonry' => array(
				'build/assets/js/layout-masonry',
				array(
					'visual-portfolio-plugin-isotope',
				),
			),
			'visual-portfolio-layout-grid' => array(
				'build/assets/js/layout-grid',
				array(
					'visual-portfolio-plugin-isotope',
				),
			),
			'visual-portfolio-layout-tiles' => array(
				'build/assets/js/layout-tiles',
				array(
					'visual-portfolio-plugin-isotope',
				),
			),
			'visual-portfolio-layout-justified' => array(
				'build/assets/js/layout-justified',
				array(
					'visual-portfolio-plugin-fj-gallery',
				),
			),
			'visual-portfolio-layout-slider' => array(
				'build/assets/js/layout-slider',
				array(
					'visual-portfolio-plugin-swiper',
				),
			),
			'visual-portfolio-items-style-fly' => array(
				'build/assets/js/items-style-fly',
			),
			'visual-portfolio-pagination-infinite' => array(
				'build/assets/js/pagination-infinite',
			),
			'visual-portfolio-pagination-minimal-paged' => array(
				'build/assets/js/pagination-minimal-paged',
			),
		);

		foreach ( $vp_scripts as $name => $data ) {
			self::register_script( $name, $data[0], $data[1] ?? array() );
		}

		do_action( 'vpf_after_assets_register' );
	}

	/**
	 * Dynamic styles for popup gallery plugins.
	 */
	public function popup_custom_styles() {
		$bg_color = Visual_Portfolio_Settings::get_option( 'background_color', 'vp_popup_gallery' );

		if ( $bg_color ) {
			wp_add_inline_style( 'visual-portfolio-popup-fancybox', '.vp-fancybox .fancybox-bg { background-color: ' . esc_attr( $bg_color ) . '; }' );
			wp_add_inline_style( 'visual-portfolio-popup-photoswipe', '.vp-pswp .pswp__bg { background-color: ' . esc_attr( $bg_color ) . '; }' );
		}
	}

	/**
	 * Add popup for default WordPress images.
	 */
	public function assets_for_default_wordpress_images() {
		if ( Visual_Portfolio_Settings::get_option( 'enable_on_wordpress_images', 'vp_popup_gallery' ) ) {
			self::enqueue_popup_assets();
		}
		if ( 'full' === Visual_Portfolio_Settings::get_option( 'lazy_loading', 'vp_images' ) ) {
			self::enqueue_lazyload_assets();
		}
	}

	/**
	 * Add global Visual Portfolio data.
	 */
	public function localize_global_data() {
		$data = array(
			'version'              => VISUAL_PORTFOLIO_VERSION,
			'pro'                  => false,
			'__'                   => array(
				// translators: %s - plugin name.
				'couldnt_retrieve_vp'  => sprintf( __( 'Couldn\'t retrieve %s ID.', 'visual-portfolio' ), visual_portfolio()->plugin_name ),

				'pswp_close'           => esc_attr__( 'Close (Esc)', 'visual-portfolio' ),
				'pswp_share'           => esc_attr__( 'Share', 'visual-portfolio' ),
				'pswp_fs'              => esc_attr__( 'Toggle fullscreen', 'visual-portfolio' ),
				'pswp_zoom'            => esc_attr__( 'Zoom in/out', 'visual-portfolio' ),
				'pswp_prev'            => esc_attr__( 'Previous (arrow left)', 'visual-portfolio' ),
				'pswp_next'            => esc_attr__( 'Next (arrow right)', 'visual-portfolio' ),
				'pswp_share_fb'        => esc_attr__( 'Share on Facebook', 'visual-portfolio' ),
				'pswp_share_tw'        => esc_attr__( 'Tweet', 'visual-portfolio' ),
				'pswp_share_pin'       => esc_attr__( 'Pin it', 'visual-portfolio' ),

				'fancybox_close'       => esc_attr__( 'Close', 'visual-portfolio' ),
				'fancybox_next'        => esc_attr__( 'Next', 'visual-portfolio' ),
				'fancybox_prev'        => esc_attr__( 'Previous', 'visual-portfolio' ),
				'fancybox_error'       => __( 'The requested content cannot be loaded. <br /> Please try again later.', 'visual-portfolio' ),
				'fancybox_play_start'  => esc_attr__( 'Start slideshow', 'visual-portfolio' ),
				'fancybox_play_stop'   => esc_attr__( 'Pause slideshow', 'visual-portfolio' ),
				'fancybox_full_screen' => esc_attr__( 'Full screen', 'visual-portfolio' ),
				'fancybox_thumbs'      => esc_attr__( 'Thumbnails', 'visual-portfolio' ),
				'fancybox_download'    => esc_attr__( 'Download', 'visual-portfolio' ),
				'fancybox_share'       => esc_attr__( 'Share', 'visual-portfolio' ),
				'fancybox_zoom'        => esc_attr__( 'Zoom', 'visual-portfolio' ),
			),
			'settingsPopupGallery' => array(
				// Default WordPress Images.
				'enable_on_wordpress_images'       => Visual_Portfolio_Settings::get_option( 'enable_on_wordpress_images', 'vp_popup_gallery' ),

				// Vendor.
				'vendor'                           => Visual_Portfolio_Settings::get_option( 'vendor', 'vp_popup_gallery' ),

				// Deep Linking.
				'deep_linking'                     => Visual_Portfolio_Settings::get_option( 'deep_linking', 'vp_popup_gallery' ),
				'deep_linking_url_to_share_images' => Visual_Portfolio_Settings::get_option( 'deep_linking_url_to_share_images', 'vp_popup_gallery' ),

				// General.
				'show_arrows'                      => Visual_Portfolio_Settings::get_option( 'show_arrows', 'vp_popup_gallery' ),
				'show_counter'                     => Visual_Portfolio_Settings::get_option( 'show_counter', 'vp_popup_gallery' ),
				'show_zoom_button'                 => Visual_Portfolio_Settings::get_option( 'show_zoom_button', 'vp_popup_gallery' ),
				'show_fullscreen_button'           => Visual_Portfolio_Settings::get_option( 'show_fullscreen_button', 'vp_popup_gallery' ),
				'show_share_button'                => Visual_Portfolio_Settings::get_option( 'show_share_button', 'vp_popup_gallery' ),
				'show_close_button'                => Visual_Portfolio_Settings::get_option( 'show_close_button', 'vp_popup_gallery' ),

				// Fancybox.
				'show_thumbs'                      => Visual_Portfolio_Settings::get_option( 'show_thumbs', 'vp_popup_gallery' ),
				'show_download_button'             => Visual_Portfolio_Settings::get_option( 'show_download_button', 'vp_popup_gallery' ),
				'show_slideshow'                   => Visual_Portfolio_Settings::get_option( 'show_slideshow', 'vp_popup_gallery' ),

				'click_to_zoom'                    => Visual_Portfolio_Settings::get_option( 'click_to_zoom', 'vp_popup_gallery' ),
				'restore_focus'                    => Visual_Portfolio_Settings::get_option( 'restore_focus', 'vp_popup_gallery' ),
			),

			// Screen sizes (breakpoints) for responsive feature: xs, sm, md, lg, xl.
			'screenSizes'          => Visual_Portfolio_Breakpoints::get_breakpoints(),
		);

		$data = apply_filters( 'vpf_global_data', $data );

		echo "<script type='text/javascript'>\n";
		echo "/* <![CDATA[ */\n";
		echo 'var VPData = ' . wp_json_encode( $data ) . ';';
		echo "\n/* ]]> */\n";
		echo "</script>\n";
	}

	/**
	 * Enqueue styles in head.
	 */
	public function wp_enqueue_head_assets() {
		self::enqueue_stored_assets( 'style' );
		self::enqueue_stored_assets( 'template_style' );

		self::$head_css_included = true;
	}

	/**
	 * Enqueue scripts and styles in foot.
	 */
	public function wp_enqueue_foot_assets() {
		self::enqueue_stored_assets( 'style' );
		self::enqueue_stored_assets( 'template_style' );
		self::enqueue_stored_assets( 'script' );
	}

	/**
	 * Add noscript styles.
	 * Previously we used the `style_loader_tag` filter to add noscript to enqueued CSS,
	 * but it is not working properly with optimizations plugins.
	 */
	public function add_noscript_styles() {
		$styles      = '';
		$styles_path = visual_portfolio()->plugin_path . '/build/assets/css/noscript.css';

		if ( file_exists( $styles_path ) ) {
            // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
			$styles = file_get_contents( $styles_path );
			$styles = str_replace( '&gt;', '>', $styles );
		}

		if ( ! $styles ) {
			return;
		}

		?>
		<noscript>
			<style type="text/css">
				<?php echo wp_kses( $styles, array( '\'', '\"' ) ); ?>
			</style>
		</noscript>
		<?php
	}

	/**
	 * Add fallback for lazyloading.
	 */
	public static function add_lazyload_fallback_script() {
		$css_url = visual_portfolio()->plugin_url . 'assets/css/lazyload-fallback.min.css?ver=' . VISUAL_PORTFOLIO_VERSION;
		$js_url  = visual_portfolio()->plugin_url . 'assets/js/lazyload-fallback.min.js?ver=' . VISUAL_PORTFOLIO_VERSION;

		?>
		<script>
			(function(){
				// Check if fallback is not necessary.
				if ( CSS.supports('selector(:has(div))') ) {
					return;
				}

				var linkTag = document.createElement("link");
				linkTag.setAttribute('rel', 'stylesheet');
				linkTag.setAttribute('href', '<?php echo esc_url( $css_url ); ?>');
				document.head.appendChild(linkTag);

				var scriptTag = document.createElement("script");
				scriptTag.setAttribute('src', '<?php echo esc_url( $js_url ); ?>');
				document.head.appendChild(scriptTag);
			}());
		</script>
		<?php
	}

	/**
	 * Parse shortcodes from content.
	 */
	public function maybe_parse_shortcodes_from_content() {
		global $wp_query;

		if ( is_admin() || ! isset( $wp_query->posts ) ) {
			return;
		}

		$posts   = $wp_query->posts;
		$pattern = get_shortcode_regex();

		$layout_ids = array();

		// parse all posts content.
		foreach ( $posts as $post ) {
			if (
				isset( $post->post_content )
				&& preg_match_all( '/' . $pattern . '/s', $post->post_content, $matches )
				&& array_key_exists( 2, $matches )
				&& in_array( 'visual_portfolio', $matches[2], true )
			) {
				$keys       = array();
				$shortcodes = array();

				foreach ( $matches[0] as $key => $value ) {
					// $matches[3] return the shortcode attribute as string
					// replace space with '&' for parse_str() function.
					$get = str_replace( ' ', '&', $matches[3][ $key ] );
					parse_str( $get, $output );

					// get all shortcode attribute keys.
								$keys = array_unique( array_merge( $keys, array_keys( $output ) ) );
					$shortcodes[]     = $output;
				}

				if ( $keys && $shortcodes ) {
					// Loop the result array and add the missing shortcode attribute key.
					foreach ( $shortcodes as $key => $value ) {
						// Loop the shortcode attribute key.
						foreach ( $keys as $attr_key ) {
							$shortcodes[ $key ][ $attr_key ] = isset( $shortcodes[ $key ][ $attr_key ] ) ? $shortcodes[ $key ][ $attr_key ] : null;
						}

						// sort the array key.
						ksort( $shortcodes[ $key ] );
					}
				}

				// get all IDs from shortcodes.
				foreach ( $shortcodes as $shortcode ) {
					if ( isset( $shortcode['id'] ) && $shortcode['id'] && ! in_array( $shortcode['id'], $layout_ids, true ) ) {
						$layout_ids[] = str_replace( '"', '', $shortcode['id'] );
					}
				}
			}
		}

		if ( ! empty( $layout_ids ) ) {
			foreach ( $layout_ids as $id ) {
				self::enqueue( array( 'id' => $id ) );
			}
		}
	}

	/**
	 * Parse blocks from content.
	 *
	 * @param array $blocks - blocks list.
	 */
	public function maybe_parse_blocks_from_content( $blocks ) {
		if ( empty( $blocks ) ) {
			return;
		}

		foreach ( $blocks as $block ) {
			// Block.
			if (
				isset( $block['blockName'] ) &&
				'visual-portfolio/block' === $block['blockName'] &&
				isset( $block['attrs']['content_source'] ) &&
				isset( $block['attrs']['block_id'] )
			) {
				self::enqueue( $block['attrs'] );

				// Saved block.
			} elseif (
				isset( $block['blockName'] ) &&
				(
					'visual-portfolio/saved' === $block['blockName'] ||
					'nk/visual-portfolio' === $block['blockName']
				) &&
				isset( $block['attrs']['id'] )
			) {
				self::enqueue( $block['attrs'] );
			}
		}
	}
}

new Visual_Portfolio_Assets();