<?php
/**
 * Plugin Name: SpeedPage
 * Plugin URI: https://speed.page/platform/wordpress
 * Description: Optimize your website speed and performance with SpeedPage by compressing CSS and JavaScript, preloads LCP assets and defers non-critical JS. Designed to boost FCP/LCP.
 * Version: 1.0.0
 * Author: SpeedPage - Website speed optimization team
 * Author URI: https://speed.page/
 * Text Domain: speedpage
 * Domain Path: /languages
 * Requires at least: 6.8
 * Requires PHP: 7.4
 *  License: GPLv2 or later
 *  License URI: https://www.gnu.org/licenses/gpl-2.0.html
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
$speedpage_getQuery_sp = false;
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( isset( $_GET['speedpage'] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$speedpage_value       = sanitize_text_field( wp_unslash( $_GET['speedpage'] ) );
	$speedpage_getQuery_sp = ( $speedpage_value === 'true' );
}

if ( ! defined( 'SPEEDPAGE_GET_QUERY_SPEEDPAGE' ) ) {
	define( 'SPEEDPAGE_GET_QUERY_SPEEDPAGE', $speedpage_getQuery_sp );
}

if ( ! defined( 'SPEEDPAGE_VERSION' ) ) {
	define( 'SPEEDPAGE_VERSION', '1.0.1' );
}

if ( ! defined( "SPEEDPAGE_PATH" ) ) {
	define( "SPEEDPAGE_PATH", plugin_dir_path( __FILE__ ) );
}

if ( ! defined( "SPEEDPAGE_VIEW_PATH" ) ) {
	define( "SPEEDPAGE_VIEW_PATH", SPEEDPAGE_PATH . "views/" );
}

if ( ! defined( "SPEEDPAGE_PATH_TYPE_MAHER" ) ) {
	define( "SPEEDPAGE_PATH_TYPE_MAHER", false );
}


if ( ! defined( 'SPEEDPAGE_URL' ) ) {
	define( 'SPEEDPAGE_URL', plugins_url( plugin_basename( __DIR__ ) ) );
}

if ( ! defined( 'SPEEDPAGE_AUTH_URL' ) ) {
	define( 'SPEEDPAGE_AUTH_URL', "https://app.speed.page/fr/login" );
}


if ( ! defined( 'SPEEDPAGE_API_URL' ) ) {
	define( 'SPEEDPAGE_API_URL', "https://api.speed.page/" );
}
if ( ! defined( 'SPEEDPAGE_UPGRADE_PLAN_URL' ) ) {
	$domain = preg_replace( '/^www\./', '', wp_parse_url( home_url(), PHP_URL_HOST ) );
	define( 'SPEEDPAGE_UPGRADE_PLAN_URL', "https://app.speed.page/fr/upgrade-plan?domain=$domain" );
}

if ( ! defined( 'SPEEDPAGE_PAGE_CACHE_DIR' ) ) {
	define( 'SPEEDPAGE_PAGE_CACHE_DIR', WP_CONTENT_DIR . '/cache/speedpage/page_cache/' );
}


if ( ! defined( 'SPEEDPAGE_ACTIVATION_SERVICE' ) ) {
	$speedpage_act_services = false;
	if ( isset( get_option( "speedpage_stockage" )["pages"] ) ) {
		if ( sizeof( get_option( "speedpage_stockage" )["pages"] ) > 0 ) {
			$speedpage_act_services = true;
		} else {
			$speedpage_act_services = false;
		}
	}
	define( 'SPEEDPAGE_ACTIVATION_SERVICE', $speedpage_act_services );
}

if ( SPEEDPAGE_ACTIVATION_SERVICE ) {
	require_once plugin_dir_path( __FILE__ ) . 'includes/SpeedPageExcludeJsFromDelay.php';
}

const SPEEDPAGE_INCOMPATIBLE_PLUGINS = [
	'w3-total-cache/w3-total-cache.php',
	'wp-super-cache/wp-cache.php',
	'tenweb-speed-optimizer/tenweb_speed_optimizer.php',
	'wp-rocket/wp-rocket.php',
	'rocket-footer-js/rocket-footer-js.php',
	'autoptimize/autoptimize.php',
	'perfmatters/perfmatters.php',
	'wp-fastest-cache/wpFastestCache.php',
	'wp-optimize/wp-optimize.php',
	'wp-asset-clean-up/wpacu.php',
	'rocket-lazy-load/rocket-lazy-load.php',
	'hummingbird-performance/wp-hummingbird.php',
	'wp-hummingbird/wp-hummingbird.php',
	'flying-scripts/flying-scripts.php',
	'async-javascript/async-javascript.php',
	'nitropack/main.php',
	'psn-pagespeed-ninja/pagespeedninja.php',
	'swift-performance-lite/performance.php',
	'swift-performance/performance.php',
	'fast-velocity-minify/fvm.php',
	'wp-performance-score-booster/wp-performance-score-booster.php',
	'ezoic-integration/ezoic-integration.php',
	'a3-lazy-load/a3-lazy-load.php',
	'page-optimize/page-optimize.php',
	'wp-smushit/wp-smush.php',
	'performance-lab/load.php',
	'airlift/airlift.php',
	'flying-press/flying-press.php',

];

require_once SPEEDPAGE_PATH . 'includes/functions.php';


class speedpage {

	public $cache_dir;
	public $connect;
	public $admin_bar;

	private $speedpage_buffer_level = 0;
	public $data_js = [];
	public $speedpage_js_list_excluded = [];
	public $speedpage_js_list = [];
	private $exclude_blob_list = [
		'adsbygoogle.js'
	];


	public function __construct() {

		add_action( 'wp', [ $this, 'advanced_cache' ], 0 );


		if ( ! SPEEDPAGE_GET_QUERY_SPEEDPAGE ) {
			$this->cache_dir = WP_CONTENT_DIR . '/cache/speedpage/';
			add_action( 'wp_body_open', function () {
				if ( SPEEDPAGE_ACTIVATION_SERVICE ) {
					echo '<div class="speedpageFrontSkeleton">';
					for ( $i = 0; $i < 4; $i ++ ) {
						echo ' <svg role="img" width="100%" height="200" style="max-width: 1001px;" aria-labelledby="loading-aria" viewBox="0 0 340 84" preserveAspectRatio="none"> <title id="loading-aria"></title> <rect x="0" y="0" width="100%" height="100%" clip-path="url(#clip-path)" style="fill: url(#fill);"></rect> <defs> <clipPath id="clip-path"> <rect x="0" y="0" rx="6" ry="6" width="67" height="11" /> <rect x="76" y="0" rx="6" ry="6" width="140" height="11" /> <rect x="127" y="48" rx="6" ry="6" width="53" height="11" /> <rect x="187" y="48" rx="6" ry="6" width="72" height="11" /> <rect x="18" y="48" rx="6" ry="6" width="100" height="11" /> <rect x="0" y="71" rx="6" ry="6" width="70" height="11" /> <rect x="73" y="71" rx="6" ry="6" width="120" height="11" /> <rect x="18" y="23" rx="6" ry="6" width="140" height="11" /> <rect x="166" y="23" rx="6" ry="6" width="103" height="11" /> </clipPath> <linearGradient id="fill"> <stop offset="0.6" stop-color="#f3f3f3"> <animate attributeName="offset" values="-2; -2; 1" dur="2s" repeatCount="indefinite" /> </stop> <stop offset="1.6" stop-color="#ecebeb"> <animate attributeName="offset" values="-1; -1; 2" dur="2s" repeatCount="indefinite" /> </stop> <stop offset="2.6" stop-color="#f3f3f3"> <animate attributeName="offset" values="0; 0; 3" dur="2s" repeatCount="indefinite" /> </stop> </linearGradient> </defs> </svg>';
					}
					echo '</div>';
				}
			} );

			require_once plugin_dir_path( __FILE__ ) . 'includes/connect.php';
			require_once plugin_dir_path( __FILE__ ) . 'includes/admin-bar.php';
			$this->connect   = new SpeedPage_Connect( $this );
			$this->admin_bar = new SpeedPage_Admin_Bar( $this );

			add_action( 'admin_init', [ $this->connect, 'handle_connection' ] );


			add_action( 'rest_api_init', [ $this, 'register_routes' ] );
			add_action( 'rest_api_init', [ $this, 'register_routes_cache_page' ] );
			add_action( 'rest_api_init', [ $this, 'receive' ] );


			add_action( 'admin_enqueue_scripts', [ $this, 'speedp_enqueue_admin_assets' ] );
			#link to Settings | Docs
			add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), [ $this, 'add_plugin_links' ] );
			# class admin-bar
			add_action( 'admin_menu', [ $this->admin_bar, 'admin_menu' ] );
			add_action( 'admin_bar_menu', [ $this->admin_bar, 'speedpage_add_admin_bar_button' ], 100 );


			add_action( 'admin_init', [ $this->admin_bar, 'register_settings' ] );

			if ( is_admin() ) {
				// Hook sur l'enqueue d'administration de WordPress
				add_action( 'admin_enqueue_scripts', [ $this, 'speedp_enqueue_dashboard_scripts' ] );

				add_action( 'wp_ajax_speedpage_verify_connect', 'speedpage_verify_connect_ajax' );
				add_action( 'wp_ajax_speedpage_score_checker', 'speedpage_score_checker_ajax' );
				add_action( 'wp_ajax_speedpage_before_score_checker', 'speedpage_before_score_checker_ajax' );
				add_action( 'wp_ajax_speedpage_deactivate_plugins', 'speedpage_deactivate_plugin_ajax' );
				add_action( 'wp_ajax_speedpage_allow_api_synchro', 'speedpage_allow_api_synchro' );
				add_action( 'wp_ajax_speedpage_realtime', 'speedpage_realtime_ajax' );
				add_action( 'wp_ajax_speedpage_recive_data_all_pages', 'speedpage_recive_data_all_pages_ajax' );
//				add_action( 'wp_ajax_speedpage_realtime_stockage', 'speedpage_realtime_stockage_ajax' );
				if ( ! file_exists( $this->cache_dir ) ) {
					wp_mkdir_p( $this->cache_dir );
				}
				if ( ! file_exists( $this->cache_dir . 'index.php' ) ) {
					file_put_contents( $this->cache_dir . 'index.php', '<?php // Silence is golden' );
				}

				add_action( 'save_post_page', [ $this, 'speedpage_sync_page_to_api' ], 10, 3 );

			}
			if ( SPEEDPAGE_ACTIVATION_SERVICE ) {
				$this->config = require plugin_dir_path( __FILE__ ) . 'includes/config.php';
				add_filter( 'style_loader_tag', [ $this, 'filter_style_loader_tag' ], 10, 4 );#css deffer
				add_action( 'wp_head', [ $this, 'critical_css' ], 0 );#css
				add_action( 'template_redirect', array( $this, 'start_buffer' ), 0 );#script
			}
		}
	}

	#inject css to admin
	public function speedp_enqueue_admin_assets( $hook ) {

		if ( 'toplevel_page_speedpage_settings_page' !== $hook ) {
			return;
		}

		wp_enqueue_style( 'speedpage-admin-style', SPEEDPAGE_URL . '/assets/css/speedpage.min.css', [], SPEEDPAGE_VERSION );
		wp_enqueue_script( 'speedpage-admin', SPEEDPAGE_URL . '/assets/js/speedpage-admin.js', [ 'jquery' ], SPEEDPAGE_VERSION, true );

		// Localize AFTER enqueue_script
		wp_localize_script( 'speedpage-admin', 'SpeedPageData', [
			'ajaxurl' => admin_url( 'admin-ajax.php' ),
			'nonce'   => wp_create_nonce( 'speedpage_nonce' ),
		] );

	}


	public function add_plugin_links( $links ) {
		$settings_link = '<a href="' . admin_url( 'admin.php?page=speedpage_settings_page' ) . '">Settings</a>';
		$docs_link     = '<a href="#linkToDocs" target="_blank">Docs</a>';
		array_unshift( $links, $settings_link, $docs_link );

		return $links;
	}


	public function register_routes_cache_page() {
		register_rest_route( 'speedpage/v1', '/cache-page', [
			'methods'             => 'POST',
			'callback'            => [ $this, 'save_cache_page' ],
			'permission_callback' => [ $this, 'verify_rest_api_credentials' ]
		] );
	}

	public function save_cache_page( $request ) {
		try {
			$page_id    = sanitize_text_field( $request['page_id'] );
			$api_key    = sanitize_text_field( $request['api_key'] );
			$api_secret = sanitize_text_field( $request['api_secret'] );
			$html       = $request->get_body();

			$site_id     = get_option( 'speedpage_site_id' );
			$site_secret = get_option( 'speedpage_site_secret' );

			// 🔐 Vérification API
			if ( $site_id !== $api_key || $site_secret !== $api_secret ) {
				throw new Exception( 'Invalid API credentials' );
			}

			$css_dir = $this->cache_dir . 'pages_cache/';

			// 📁 Create Folder
			if ( ! file_exists( $css_dir ) ) {
				if ( ! wp_mkdir_p( $css_dir ) ) {
					throw new Exception( 'Unable to create PAGE CACHE directory' );
				}
			}

			// 🔒 Protection index
			if ( ! file_exists( $css_dir . 'index.php' ) ) {
				if ( file_put_contents( $css_dir . 'index.php', '<?php // Silence is golden' ) === false ) {
					throw new Exception( 'Unable to create index.php' );
				}
			}

			$page_id       = absint( $page_id );
			$safe_filename = sanitize_file_name( $page_id . '.html' );

			$file               = wp_normalize_path( $css_dir . $safe_filename );
			$normalized_css_dir = wp_normalize_path( $css_dir );

			if ( strpos( $file, $normalized_css_dir ) !== 0 ) {
				throw new Exception( 'Directory traversal detected or invalid path' );
			}

			if ( file_put_contents( $file, $html ) === false ) {
				throw new Exception( 'Unable to write HTML file' );
			}

			return new WP_REST_Response( [
				'status' => 'success',
			], 200 );

		} catch ( Exception $e ) {
			return new WP_REST_Response( [
				'status'  => 'error',
				'message' => $e->getMessage(),
			], 500 );
		}
	}


	public function register_routes() {
		register_rest_route( 'speedpage/v1', '/critical-css', [
			'methods'             => 'POST',
			'callback'            => [ $this, 'save_critical_css' ],
			'permission_callback' => [ $this, 'verify_rest_api_credentials' ]
		] );
	}

	public function verify_rest_api_credentials( $request ) {
		if ( current_user_can( 'manage_options' ) ) {
			return true;
		}
		$api_key    = sanitize_text_field( $request->get_param( 'api_key' ) ?? '' );
		$api_secret = sanitize_text_field( $request->get_param( 'api_secret' ) ?? '' );

		$saved_id     = get_option( 'speedpage_site_id' );
		$saved_secret = get_option( 'speedpage_site_secret' );

		if ( empty( $saved_id ) || empty( $saved_secret ) || $api_key !== $saved_id || $api_secret !== $saved_secret ) {
			return new WP_Error(
				'rest_forbidden',
				__( 'Unauthorized request.', 'speedpage' ),
				array( 'status' => 403 )
			);
		}

		return true;
	}

	public function save_critical_css( $request ) {
		try {
			// Validate page ID strictly as a positive integer.
			$raw_page_id = $request->get_param( 'page_id' );

			if (
				! is_scalar( $raw_page_id ) ||
				filter_var(
					(string) $raw_page_id,
					FILTER_VALIDATE_INT,
					array( 'options' => array( 'min_range' => 1 ) )
				) === false
			) {
				return new WP_REST_Response(
					array(
						'status'  => 'error',
						'message' => 'Invalid page ID',
					),
					400
				);
			}

			$page_id = (int) $raw_page_id;

			$api_key    = sanitize_text_field( $request->get_param( 'api_key' ) );
			$api_secret = sanitize_text_field( $request->get_param( 'api_secret' ) );
			$css        = $request->get_body();

			$site_id     = get_option( 'speedpage_site_id' );
			$site_secret = get_option( 'speedpage_site_secret' );

			// Verify API credentials.
			if (
				! is_string( $site_id ) ||
				! is_string( $site_secret ) ||
				! hash_equals( $site_id, $api_key ) ||
				! hash_equals( $site_secret, $api_secret )
			) {
				return new WP_REST_Response(
					array(
						'status'  => 'error',
						'message' => 'Invalid API credentials',
					),
					403
				);
			}

			// Ensure the cache directory is configured.
			if ( empty( $this->cache_dir ) ) {
				throw new Exception( 'CSS cache directory is not configured' );
			}

			$css_dir = trailingslashit( $this->cache_dir ) . 'css/';

			// Create the CSS directory if necessary.
			if ( ! is_dir( $css_dir ) ) {
				if ( ! wp_mkdir_p( $css_dir ) ) {
					throw new Exception( 'Unable to create CSS directory' );
				}
			}

			// Resolve the canonical CSS directory.
			$real_css_dir = realpath( $css_dir );

			if ( false === $real_css_dir || ! is_dir( $real_css_dir ) ) {
				throw new Exception( 'Invalid CSS directory' );
			}

			// Create an index file to prevent directory listing.
			$index_file = trailingslashit( $real_css_dir ) . 'index.php';

			if ( ! file_exists( $index_file ) ) {
				if (
					file_put_contents(
						$index_file,
						'<?php // Silence is golden'
					) === false
				) {
					throw new Exception( 'Unable to create index.php' );
				}
			}

			// Build the filename using the validated integer only.
			$file = trailingslashit( $real_css_dir )
			        . 'critical-' . $page_id . '.css';

			// Verify that the target file is directly inside the CSS directory.
			if ( dirname( $file ) !== $real_css_dir ) {
				throw new Exception( 'Invalid CSS file path' );
			}


			// Write the CSS file.
			if ( file_put_contents( $file, $css, LOCK_EX ) === false ) {
				throw new Exception( 'Unable to write CSS file' );
			}

			return new WP_REST_Response( array( 'status' => 'success', ), 200 );

		} catch ( Exception $e ) {
			return new WP_REST_Response(
				array(
					'status'  => 'error',
					'message' => $e->getMessage(),
				),
				500
			);
		}
	}

	public function receive() {
		register_rest_route( 'speedpage/v1', '/receive', [
			'methods'             => 'POST',
			'callback'            => [ $this, 'receive_data' ],
			'permission_callback' => [ $this, 'verify_rest_api_credentials' ]
		] );
	}

	public function receive_data( $request ) {
		$data = $request->get_json_params();

		$key    = $data['X-API-KEY'] ?? null;
		$secret = $data['X-API-SECRET'] ?? null;
		$type   = $data['type'] ?? null;

		if ( get_option( "speedpage_site_id" ) == $key && $secret == get_option( "speedpage_site_secret" ) && $type ) {

			if ( $type == "score_before" ) {
				$is_front_page = $data["data"]["is_front_page"];
				if ( $is_front_page == 1 ) {
					$stockage                         = get_option( 'speedpage_stockage' );
					$stockage['front_page']['before'] = $data["data"]["result"];
					update_option( "speedpage_stockage", $stockage );
				}
//				else {
				$stockage                                                = get_option( 'speedpage_stockage' );
				$stockage['pages'][ $data["data"]["page_id"] ]['before'] = $data["data"]["result"];
				$stockage["subscription_status"]                         = $data["data"]["subscription_status"];
				$stockage["subscription_start"]                          = $data["data"]["subscription_start"];
				$stockage["subscription_expiry"]                         = $data["data"]["subscription_expiry"];
				update_option( "speedpage_stockage", $stockage );
//				}
				wp_send_json_success( $data );
			}

			if ( $type == "score_after" ) {
				$is_front_page = $data["data"]["is_front_page"];
				if ( $is_front_page == 1 ) {
					$stockage                        = get_option( 'speedpage_stockage' );
					$stockage['front_page']['after'] = $data["data"]["result"];
					update_option( "speedpage_stockage", $stockage );
				}
//				else {
				$stockage                                               = get_option( 'speedpage_stockage' );
				$stockage['pages'][ $data["data"]["page_id"] ]['after'] = $data["data"]["result"];
				$stockage["subscription_status"]                        = $data["data"]["subscription_status"];
				$stockage["subscription_start"]                         = $data["data"]["subscription_start"];
				$stockage["subscription_expiry"]                        = $data["data"]["subscription_expiry"];
				update_option( "speedpage_stockage", $stockage );
//				}
				wp_send_json_success( $data );
			}

			$stockage['subscription_status'] = isset( $data['subscription_status'] ) ? $data['subscription_status'] : false;
			$stockage['subscription_start']  = isset( $data['subscription_start'] ) ? $data['subscription_start'] : false;
			$stockage['subscription_expiry'] = isset( $data['subscription_expiry'] ) ? $data['subscription_expiry'] : false;
			if ( $type == "all_pages_data" ) {
				$stockage = get_option( 'speedpage_stockage' );
				foreach ( $data["data"] as $page ):

					if ( $page["score_before"] ) {
						$stockage['pages'][ $page["page_id"] ]['before'] = json_decode( $page["score_before"], true );
					}
					if ( $page["score_after"] ) {
						$stockage['pages'][ $page["page_id"] ]['after'] = json_decode( $page["score_after"], true );
					}
				endforeach;
				update_option( "speedpage_stockage", $stockage );
				wp_send_json_success( get_option( 'speedpage_stockage' ) );
			}

		} else {
			return new WP_Error( 'unauthorized', 'Invalid API key', [ 'status' => 403 ] );
		}

		return new WP_Error( 'error', 'In function receive_data', [ 'status' => 400 ] );


	}


	public function filter_style_loader_tag( $tag, $handle, $href, $media ) {
		if ( is_admin() || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) ) {
			return $tag;
		}

		if ( apply_filters( 'speedpage_defer_styles_disabled', false ) ) {
			return $tag;
		}

		if ( empty( $href ) || stripos( $tag, '<link' ) === false ) {
			return $tag;
		}

		$orig_media = $media ? $media : 'all';

		$safe_media = esc_attr( $orig_media );

		// IMPORTANT : on garde le tag WP original
		// et on le transforme seulement

		if ( strpos( $tag, 'data-speedpage' ) !== false ) {
			return $tag;
		}

		$tag = str_replace(
			"rel='stylesheet'",
			"rel='preload' as='style' onload=\"this.onload=null;this.rel='stylesheet'\"",
			$tag
		);

		return $tag;
	}


	function critical_css() {

		$domain = preg_replace( '/^www\./', '', wp_parse_url( home_url(), PHP_URL_HOST ) );


		wp_register_style( 'speedp-front-styles-skelton', false, array(), SPEEDPAGE_VERSION );

		wp_enqueue_style( 'speedp-front-styles-skelton' );
		$custom_css = '.speedpageFrontSkeleton{display: flex; justify-content: center;flex-wrap: wrap; margin-top: 16px;}.speedpageFrontSkeleton svg{flex: 0 0 calc(100% / 2);}';
		$custom_css .= 'svg.speedpageFrontSkeleton { position: fixed; z-index: -10; } body::before { content: "' . esc_url( $domain ) . '";color: white;background: #bfbfbf; font-weight: bold; margin: 0 auto; width: 100%; height: 100%;  z-index: -10; display: flex;justify-content: center;}';
		wp_add_inline_style( 'speedp-front-styles-skelton', $custom_css );

		wp_register_script( 'speedp-front-core-skelton', false, array(), SPEEDPAGE_VERSION, true );
		wp_enqueue_script( 'speedp-front-core-skelton' );
		$js_code = 'function forceRemoveSkeleton() { try { const skeleton = document.querySelector(".speedpageFrontSkeleton"); if (skeleton) { skeleton.remove(); const style = document.createElement("style"); style.innerHTML = ` body::before { display: none !important; } `; document.head.appendChild(style); } else { clearInterval(interval); } } catch (e) { } } const interval = setInterval(forceRemoveSkeleton, 500); setTimeout(() => clearInterval(interval), 5000); window.addEventListener("load", function () { const skeleton = document.querySelector(".speedpageFrontSkeleton"); if (skeleton) { skeleton.remove() } const style = document.createElement("style"); style.innerHTML = ` body::before { display: none !important; } `; document.head.appendChild(style); });';
		wp_add_inline_script( 'speedp-front-core-skelton', $js_code );


		$page_id = absint( get_the_ID() );
		$file    = $this->cache_dir . 'css/critical-' . $page_id . '.css';

		if ( ! file_exists( $file ) || ! is_readable( $file ) ) {
			return;
		}

		$css = file_get_contents( $file );

		if ( false === $css || '' === trim( $css ) ) {
			return;
		}

		/*
		 * Critical CSS is inserted inside a <style> element by WordPress.
		 * Prevent HTML markup from breaking out of the CSS context.
		 */
		if ( preg_match( '/<\s*\/?\s*(script|style|iframe|object|embed|svg|base|form)\b/i', $css ) ) {
			return;
		}
		/*
		 * Prevent a closing </style> sequence from terminating
		 * the HTML <style> element.
		 *
		 * \3C is the CSS hexadecimal escape for "<".
		 */
		$css = preg_replace( '/<\s*\/\s*style\s*>/i', '\\3C /style>', $css );
		if ( null === $css ) {
			return;
		}
		wp_register_style( 'speedpage-critical-css', false, array(), SPEEDPAGE_VERSION );
		wp_enqueue_style( 'speedpage-critical-css' );
		wp_add_inline_style( 'speedpage-critical-css', $css );

	}


	public function start_buffer() {
		ob_start( array( $this, 'process_html' ) );
		$this->speedpage_buffer_level = ob_get_level();
		add_action( 'shutdown', array( $this, 'end_buffer' ), 0 );
	}

	public function end_buffer() {
		if ( $this->speedpage_buffer_level > 0 && ob_get_level() >= $this->speedpage_buffer_level ) {
			ob_end_flush();
		}
		$this->speedpage_buffer_level = 0;
	}

	private function build_script_tag( $js, $attributes = '' ) {
		return sprintf(
			'<script %s>%s</script>',
			$attributes,
			$js
		);
	}

	public function process_html( $html ) {
		// 1. Modifier les scripts
		$html = preg_replace_callback(
			'#<script\b[^>]*>(.*?)</script>#is',
			[ $this, 'modify_script_callback' ],
			$html
		);

		// 2. Injecter la variable après <head>
		$json = wp_json_encode( $this->data_js );

		$inject = "<script data-speedpage-no-delay id='speedpage_worker_data_js'>\n";
		$inject .= "window.speedpage_worker_data_js = {\"js\":$json};\n";
		$inject .= "</script>\n";


		$inject .= $this->build_script_tag( $this->config['code_in_head'], 'data-pagespeed-no-defer data-speedpage-no-delay' );

		// Injecter JUSTE après <head>
		$html = preg_replace_callback(
			'#<head[^>]*>#i',
			function ( $m ) use ( $inject ) {
				return $m[0] . "\n" . $inject;
			},
			$html,
			1
		);

		/* ======================================================
	 * 3️⃣ 🔥 INJECTION JUSTE APRÈS <body>
	 * ====================================================== */
		$body_inject = "";
		foreach ( $this->config['code_in_body'] as $script ) {

			$body_inject .= sprintf(
				'<script %s>%s</script>',
				$script['attributes'],
				$script['content']
			);
		}


		$html = preg_replace_callback(
			'#<body([^>]*)>#i',
			function ( $m ) use ( $body_inject ) {
				return '<body' . $m[1] . '>' . "\n" . $body_inject;
			},
			$html,
			1
		);

		return $html;
	}

	public function modify_script_callback( $matches ) {


		$tag          = $matches[0];
		$exclude_list = SpeedPageExcludeJsFromDelay::EXCLUDE_LIST;


		/* ======================================================
		 * 1️⃣ EXCLUSION PAR TYPE <script type="...">
		 * ====================================================== */
		if ( preg_match( '#type\s*=\s*["\']([^"\']+)["\']#i', $tag, $type_match ) ) {
			$script_type = strtolower( trim( $type_match[1] ) );

			if ( ! empty( $exclude_list['types'] ) ) {
				foreach ( $exclude_list['types'] as $excluded_type ) {
					if ( preg_match( '#^' . $excluded_type . '$#i', $script_type ) ) {
						return $tag; // ⛔ NE PAS TOUCHER
					}
				}
			}
		}

		/* ======================================================
		 * 2️⃣ Récupérer id du script
		 * ====================================================== */
		$script_id = '';
		if ( preg_match( '#id=("|\')([^"\']+)#i', $tag, $id_match ) ) {
			$script_id = $id_match[2];
		}

		$delay_uid = uniqid( 'speedpage_', false );

		/* ======================================================
		 * 3️⃣ Script AVEC src
		 * ====================================================== */
		if ( preg_match( '#src=("|\')([^"\']+)#i', $tag, $src_match ) ) {

			$src = $src_match[2];


			// 🔴 EXCLUSION PAR LISTE GLOBALE
//			if ( ! empty( $exclude_list['scripts'] ) ) {
//				foreach ( $exclude_list['scripts'] as $rule ) {
//					if ( ! empty( $rule['scripts'] ) ) {
//						foreach ( $rule['scripts'] as $needle ) {
//							if ( stripos( $src, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}

			// 🔴 EXCLUSION PAR PLUGINS
//			if ( ! empty( $exclude_list['plugins'] ) ) {
//				foreach ( $exclude_list['plugins'] as $plugin ) {
//					if ( ! empty( $plugin['scripts'] ) ) {
//						foreach ( $plugin['scripts'] as $needle ) {
//							if ( stripos( $src, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}

			// 🔴 EXCLUSION PAR THEMES
//			if ( ! empty( $exclude_list['themes'] ) ) {
//				foreach ( $exclude_list['themes'] as $theme ) {
//					if ( ! empty( $theme['scripts'] ) ) {
//						foreach ( $theme['scripts'] as $needle ) {
//							if ( stripos( $src, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}

			// ➕ Enregistrer le script pour delay
			$this->data_js[] = [
				'inline'              => false,
				'url'                 => $src,
				'id'                  => $script_id,
				'uid'                 => $delay_uid,
				"exclude_blob"        => false,
				"excluded_from_delay" => false
			];

			// 🔁 Transformer la balise
			return str_replace(
				[ '<script', 'src=' ],
				[ '<script data-speedpage_delay_id="' . esc_attr( $delay_uid ) . '"', 'data-speedpage_delay_src=' ],
				$tag
			);
		}
		/* ======================================================
				 * 4️⃣ Script INLINE
				 * ====================================================== */
//		if ( preg_match( '#<script\b[^>]*>(.*?)</script>#is', $tag, $code ) ) {
		if ( preg_match( '#<script.*>(.*)</script>#Usmi', $tag, $code ) ) {
			$js_code = trim( $code[1] );

			if ( $js_code === '' ) {
				return $tag;
			}

//			// 🔴 EXCLUSION INLINE PAR LISTE GLOBALE
//			if ( ! empty( $exclude_list['scripts'] ) ) {
//				foreach ( $exclude_list['scripts'] as $rule ) {
//					if ( ! empty( $rule['scripts'] ) ) {
//						foreach ( $rule['scripts'] as $needle ) {
//							if ( stripos( $js_code, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}
//
//			// 🔴 EXCLUSION INLINE PAR PLUGINS
//			if ( ! empty( $exclude_list['plugins'] ) ) {
//				foreach ( $exclude_list['plugins'] as $plugin ) {
//					if ( ! empty( $plugin['scripts'] ) ) {
//						foreach ( $plugin['scripts'] as $needle ) {
//							if ( stripos( $js_code, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}
//
//			// 🔴 EXCLUSION INLINE PAR THEMES
//			if ( ! empty( $exclude_list['themes'] ) ) {
//				foreach ( $exclude_list['themes'] as $theme ) {
//					if ( ! empty( $theme['scripts'] ) ) {
//						foreach ( $theme['scripts'] as $needle ) {
//							if ( stripos( $js_code, $needle ) !== false ) {
//								return $tag;
//							}
//						}
//					}
//				}
//			}

			// ➕ Encoder le script inline
			$encoded = base64_encode( rawurlencode( $js_code ) );

			$this->data_js[] = [
				'inline'              => true,
				'code'                => $encoded,
				'id'                  => $script_id,
				'uid'                 => $delay_uid,
				"exclude_blob"        => false,
				"excluded_from_delay" => false
			];

			$modified_tag = str_replace(
				[ '<script', $code[1] ],
				[ "<script data-speedpage_delay_src='inline' data-speedpage_delay_id=\"" . esc_attr( $delay_uid ) . '"', '' ], // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript
				$tag
			);
		}

		return $modified_tag;
	}


	function speedpage_sync_page_to_api( $post_id, $post, $update ) {

		if ( get_option( 'speedpage_allow_api_sync' ) == false ) {
			return;
		}

		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}
		if ( wp_is_post_revision( $post_id ) ) {
			return;
		}
		if ( wp_is_post_autosave( $post_id ) ) {
			return;
		}
		// ✅ éviter appels multiples Elementor
		if ( get_post_meta( $post_id, '_speedpage_processed', true ) == $post->post_modified ) {
			return;
		}
		update_post_meta( $post_id, '_speedpage_processed', $post->post_modified );
		if ( $post->post_status !== 'publish' ) {
			return;
		}


		$event_type = $update ? 'updated' : 'created';

		$data = [
			'event'         => $event_type,
			'id'            => $post_id,
			'name'          => get_the_title( $post_id ),
			'url'           => get_permalink( $post_id ),
			'is_front_page' => ( $post_id == get_option( 'page_on_front' ) ) ? 1 : 0,
		];

		$domain   = preg_replace( '/^www\./', '', wp_parse_url( home_url(), PHP_URL_HOST ) );
		$response = wp_remote_post( "https://api.speed.page/update_pages_to_db", [
			'method' => 'POST',
			'body'   => [
				'domain'     => $domain,
				'api_key'    => get_option( 'speedpage_site_id' ),
				'api_secret' => get_option( 'speedpage_site_secret' ),
				'data'       => wp_json_encode( $data )
			]
		] );

	}


	public function advanced_cache() {
		if ( ! SPEEDPAGE_GET_QUERY_SPEEDPAGE ) {

			if ( is_admin() ) {
				return;
			}

			$page_id = get_the_ID();

			if ( ! $page_id ) {
				return;
			}
			$cache_dir  = WP_CONTENT_DIR . '/cache/speedpage/pages_cache/';
			$cache_file = $cache_dir . $page_id . '.html';
			if ( file_exists( $cache_file ) ) {
				header( 'X-Cache: HIT' );
				// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile
				readfile( $cache_file );
				exit;
			}
		}
	}


	function speedp_enqueue_dashboard_scripts( $hook ) {

		// On restreint le chargement uniquement à la page de notre plugin
		if ( strpos( $hook, 'speedpage' ) === false ) {
			return;
		}

		// 1. Appel propre du fichier JS externe créé à l'étape 1
		wp_enqueue_script(
			'speedpage-dashboard-script',
			plugin_dir_url( __FILE__ ) . 'assets/js/dashboard.min.js',
			array( 'jquery', 'wp-i18n' ), // Ajout des dépendances jQuery et de l'API de traduction native
			'1.0.0',
			true
		);

		$speedpage_score_mobile  = null;
		$speedpage_score_desktop = null;
		if ( get_option( "speedpage_front_page_mobile" ) ) {
			if ( get_option( "speedpage_front_page_mobile" ) && get_option( "speedpage_front_page_mobile" )["mobile_score"] ) {
				$speedpage_score_mobile = true;
			}
		}
		if ( get_option( "speedpage_front_page_desktop" ) ) {
			if ( get_option( "speedpage_front_page_desktop" ) && get_option( "speedpage_front_page_desktop" )["desktop_score"] ) {
				$speedpage_score_desktop = true;
			}
		}

		// 2. Extraction sécurisée des options pour alimenter le JS
		$data_to_localize = array(
			'oldFrontPageMobile'    => get_option( 'speedpage_old_front_page' ) ? 1 : 0,
			'afterFrontPageMobile'  => get_option( 'speedpage_after_front_page' ) ? 1 : 0,
			'pagesOptimisationTest' => get_option( 'speedpage_pages_optiomisation' ) ? 1 : 0,
			'pluginUrl'             => esc_url( SPEEDPAGE_URL ),
			'hasMobileScore'        => ! empty( $speedpage_score_mobile ) ? 1 : 0,
			'txtPro'                => esc_html__( 'SpeedPage PRO', 'speedpage' ),
			'txtProDesc'            => esc_html__( 'All pages on your website have already been successfully optimized.', 'speedpage' ),
			'txtFree'               => esc_html__( 'SpeedPage Free', 'speedpage' ),
			'txtFreeDesc'           => esc_html__( 'Free Plan limited.', 'speedpage' ),
			'txtStartOptimisation'  => esc_html__( 'Start optimisation ...', 'speedpage' ),
			'txtEndOptimisation'    => esc_html__( 'End optimisation.', 'speedpage' ),
		);

		// 3. Liaison de l'objet de données globales au script enregistré
		wp_localize_script( 'speedpage-dashboard-script', 'speedpageDashboardData', $data_to_localize );
	}
}

new speedpage();