<?php // phpcs:ignore

namespace SEOPress\Actions\Admin;

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

use SEOPress\Core\Hooks\ExecuteHooks;

/**
 * Module settings for React admin pages.
 */
class ModuleSettings implements ExecuteHooks {

	/**
	 * Supported pages and their configurations.
	 *
	 * @var array
	 */
	private $supported_pages = array(
		'seopress-titles'          => array(
			'type'   => 'titles',
			'option' => 'seopress_titles_option_name',
		),
		'seopress-xml-sitemap'     => array(
			'type'   => 'sitemaps',
			'option' => 'seopress_xml_sitemap_option_name',
		),
		'seopress-social'          => array(
			'type'   => 'social',
			'option' => 'seopress_social_option_name',
		),
		'seopress-google-analytics' => array(
			'type'   => 'analytics',
			'option' => 'seopress_google_analytics_option_name',
		),
		'seopress-instant-indexing' => array(
			'type'   => 'instant-indexing',
			'option' => 'seopress_instant_indexing_option_name',
		),
		'seopress-advanced'        => array(
			'type'   => 'advanced',
			'option' => 'seopress_advanced_option_name',
		),
		'seopress-import-export'   => array(
			'type'   => 'tools',
			'option' => 'seopress_import_export_option_name',
		),
	);

	/**
	 * Get supported pages, filtered for extensibility.
	 *
	 * @return array
	 */
	private function getSupportedPages() {
		return apply_filters( 'seopress_settings_supported_pages', $this->supported_pages );
	}

	/**
	 * The ModuleSettings hooks.
	 *
	 * @since 5.0.0
	 *
	 * @return void
	 */
	public function hooks() {
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) );
	}

	/**
	 * Check if current page is a supported settings page.
	 *
	 * @return string|false Page key if supported, false otherwise.
	 */
	private function getCurrentPageKey() {
		if ( ! isset( $_GET['page'] ) ) { // phpcs:ignore
			return false;
		}

		$page = sanitize_text_field( wp_unslash( $_GET['page'] ) ); // phpcs:ignore

		$supported = $this->getSupportedPages();
		if ( isset( $supported[ $page ] ) ) {
			return $page;
		}

		return false;
	}

	/**
	 * Get the navigation map of all SEOPress settings pages.
	 *
	 * @return array
	 */
	private function getAllPages() {
		$pages = array(
			array(
				'slug'    => 'seopress-titles',
				'type'    => 'titles',
				'feature' => 'titles',
				'label'   => __( 'Titles & Metas', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-titles' ),
			),
			array(
				'slug'    => 'seopress-xml-sitemap',
				'type'    => 'sitemaps',
				'feature' => 'xml-sitemap',
				'label'   => __( 'XML - HTML Sitemap', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-xml-sitemap' ),
			),
			array(
				'slug'    => 'seopress-social',
				'type'    => 'social',
				'feature' => 'social',
				'label'   => __( 'Social Networks', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-social' ),
			),
			array(
				'slug'    => 'seopress-google-analytics',
				'type'    => 'analytics',
				'feature' => 'google-analytics',
				'label'   => __( 'Analytics', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-google-analytics' ),
			),
			array(
				'slug'    => 'seopress-instant-indexing',
				'type'    => 'instant-indexing',
				'feature' => 'instant-indexing',
				'label'   => __( 'Instant Indexing', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-instant-indexing' ),
			),
			array(
				'slug'    => 'seopress-advanced',
				'type'    => 'advanced',
				'feature' => 'advanced',
				'label'   => __( 'Advanced', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-advanced' ),
			),
			array(
				'slug'    => 'seopress-import-export',
				'type'    => 'tools',
				'feature' => null,
				'label'   => __( 'Tools', 'wp-seopress' ),
				'url'     => admin_url( 'admin.php?page=seopress-import-export' ),
			),
		);

		return apply_filters( 'seopress_settings_all_pages', $pages );
	}

	/**
	 * Get page types that have working React implementations.
	 *
	 * @return array
	 */
	private function getReactReadyPages() {
		return apply_filters( 'seopress_settings_react_ready_pages', array( 'titles', 'sitemaps', 'social', 'analytics', 'instant-indexing', 'advanced', 'tools' ) );
	}

	/**
	 * Enqueue scripts and styles for settings pages.
	 *
	 * @param string $hook The current admin page hook.
	 *
	 * @since 5.0.0
	 *
	 * @return void
	 */
	public function enqueue( $hook ) {
		// Check if this is a supported settings page.
		$page_key = $this->getCurrentPageKey();

		if ( ! $page_key ) {
			return;
		}

		// Check user capabilities.
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		$supported   = $this->getSupportedPages();
		$page_config = $supported[ $page_key ];

		// Load asset manifest generated by @wordpress/dependency-extraction-webpack-plugin.
		$asset_file = SEOPRESS_PLUGIN_DIR_PATH . 'public/admin/settings.asset.php';
		$asset      = file_exists( $asset_file ) ? require $asset_file : array(
			'dependencies' => array( 'react', 'react-dom', 'wp-components', 'wp-api-fetch', 'wp-i18n', 'wp-data', 'wp-notices', 'wp-element' ),
			'version'      => SEOPRESS_VERSION,
		);

		// Enqueue wp-components styles.
		wp_enqueue_style( 'wp-components' );

		// Enqueue settings CSS (extracted by webpack build).
		$css_file = SEOPRESS_PLUGIN_DIR_PATH . 'public/admin/settings.css';
		if ( file_exists( $css_file ) ) {
			wp_enqueue_style(
				'seopress-admin-settings',
				SEOPRESS_URL_PUBLIC . '/admin/settings.css',
				array( 'wp-components' ),
				SEOPRESS_VERSION
			);
		}

		// Enqueue media uploader for image fields.
		wp_enqueue_media();

		// Enqueue our React app.
		wp_enqueue_script(
			'seopress-admin-settings',
			SEOPRESS_URL_PUBLIC . '/admin/settings.js',
			$asset['dependencies'],
			$asset['version'],
			true
		);

		// Load translations for the React settings bundle.
		// Point to wp-content/languages/plugins/ where GlotPress language packs are stored.
		wp_set_script_translations( 'seopress-admin-settings', 'wp-seopress', WP_LANG_DIR . '/plugins' );

		// Merge translations from lazy-loaded webpack chunks into the main script.
		// GlotPress generates a separate JSON per chunk, but wp_set_script_translations
		// only loads the one matching the main bundle. This filter merges all of them.
		add_filter(
			'pre_load_script_translations',
			function ( $translations, $file, $handle, $domain ) {
				if ( 'seopress-admin-settings' !== $handle || 'wp-seopress' !== $domain ) {
					return $translations;
				}

				$locale    = determine_locale();
				$cache_key = 'seopress_i18n_merged_' . $locale;
				$cached    = wp_cache_get( $cache_key, 'seopress' );

				if ( false !== $cached ) {
					return $cached;
				}

				$lang_dir = WP_LANG_DIR . '/plugins';
				$merged   = array( 'locale_data' => array( 'messages' => array( '' => array() ) ) );

				foreach ( glob( $lang_dir . '/wp-seopress-' . $locale . '-*.json' ) as $json_file ) {
					$content = file_get_contents( $json_file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
					if ( ! $content ) {
						continue;
					}
					$data = json_decode( $content, true );
					if ( ! isset( $data['locale_data']['messages'] ) ) {
						continue;
					}
					foreach ( $data['locale_data']['messages'] as $key => $value ) {
						if ( '' === $key ) {
							if ( empty( $merged['locale_data']['messages'][''] ) ) {
								$merged['locale_data']['messages'][''] = $value;
							}
							continue;
						}
						$merged['locale_data']['messages'][ $key ] = $value;
					}
				}

				$result = wp_json_encode( $merged );

				wp_cache_set( $cache_key, $result, 'seopress' );

				return $result;
			},
			10,
			4
		);

		// Get post types for the settings.
		$post_types = $this->getPostTypes();

		// Get taxonomies for the settings.
		$taxonomies = $this->getTaxonomies();

		// Get dynamic variables.
		$dynamic_variables = function_exists( 'seopress_get_dyn_variables' )
			? seopress_get_dyn_variables()
			: array();

		// Get docs links.
		$docs_links = function_exists( 'seopress_get_docs_links' )
			? seopress_get_docs_links()
			: array();

		// Detect NGINX.
		$is_nginx = false;
		if ( isset( $_SERVER['SERVER_SOFTWARE'] ) ) {
			$server_software = explode( '/', sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) );
			$is_nginx        = 'nginx' === strtolower( current( $server_software ) );
		}

		// Get sitemap post types (includes attachment).
		$sitemap_post_types = $this->getSitemapPostTypes();

		// Localize main data.
		wp_localize_script(
			'seopress-admin-settings',
			'SEOPRESS_SETTINGS_DATA',
			array(
				'REST_URL'            => rest_url(),
				'NONCE'               => wp_create_nonce( 'wp_rest' ),
				'PAGE_TYPE'           => $page_config['type'],
				'OPTION_NAME'         => $page_config['option'],
				'DYNAMIC_VARIABLES'   => $dynamic_variables,
				'POST_TYPES'          => $post_types,
				'TAXONOMIES'          => $taxonomies,
				'SITEMAP_POST_TYPES'  => $sitemap_post_types,
				'FEATURE_ENABLED'     => true,
				'ADMIN_URL'           => admin_url(),
				'SITE_URL'            => get_option( 'home' ),
				'ALL_PAGES'           => $this->getAllPages(),
				'REACT_READY_PAGES'   => $this->getReactReadyPages(),
				'ASSETS_URL'          => SEOPRESS_URL_PUBLIC,
				'PLUGIN_URL'          => SEOPRESS_PLUGIN_DIR_URL,
				'DOCS_LINKS'          => $docs_links,
				'IS_NGINX'            => $is_nginx,
				'IMAGE_SIZES'         => array_merge( get_intermediate_image_sizes(), array( 'full' ) ),
			'USER_ROLES'          => $this->getUserRoles(),
			'INDEXING_LOG'        => get_option( 'seopress_instant_indexing_log_option_name', array() ),
			'INDEXING_NONCES'     => array(
				'submit' => wp_create_nonce( 'seopress_instant_indexing_post_nonce' ),
			),
			'AJAX_URL'            => admin_url( 'admin-ajax.php' ),
			'PANELS_STATE'              => 'titles' === $page_config['type'] ? $this->getPanelsState() : new \stdClass(),
			'FEATURE_TOGGLES'     => $this->getFeatureToggles(),
			'TOGGLE_NONCE'        => wp_create_nonce( 'seopress_toggle_features_nonce' ),
			'MIGRATION_NONCES'    => $this->getMigrationNonces(),
			'TOOLS_TABS'          => $this->getToolsTabs(),
			'TOOLS_EXTRA_RESET_ACTIONS' => apply_filters( 'seopress_react_tools_reset_actions', array() ),
			'IS_PRO_ACTIVE'       => is_plugin_active( 'wp-seopress-pro/seopress-pro.php' ),
			'PROMOTIONS'          => $this->getContextualPromotion( $page_config['type'] ),
			'PROMO_NONCE'         => wp_create_nonce( 'seopress_dismiss_promotion_nonce' ),
			'EXTRA_API_ENDPOINTS' => apply_filters( 'seopress_settings_api_endpoints', array() ),
			)
		);

	}

	/**
	 * Get public post types for settings.
	 *
	 * @return array
	 */
	private function getPostTypes() {
		$args = array( 'public' => true );
		$args = apply_filters( 'seopress_get_post_types_args', $args );

		$post_types = get_post_types( $args, 'objects' );

		// Filter to only include viewable post types (matches WordPressData service).
		$post_types = array_filter( $post_types, 'is_post_type_viewable' );

		unset(
			$post_types['attachment'],
			$post_types['seopress_rankings'],
			$post_types['seopress_backlinks'],
			$post_types['seopress_404'],
			$post_types['elementor_library'],
			$post_types['customer_discount'],
			$post_types['cuar_private_file'],
			$post_types['cuar_private_page'],
			$post_types['ct_template'],
			$post_types['bricks_template']
		);

		$result = array();

		foreach ( $post_types as $post_type ) {
			$result[] = array(
				'name'        => $post_type->name,
				'label'       => $post_type->label,
				'has_archive' => $post_type->has_archive,
			);
		}

		return $result;
	}

	/**
	 * Get post types for sitemap settings (includes attachment).
	 *
	 * @return array
	 */
	private function getSitemapPostTypes() {
		$post_types = get_post_types(
			array(
				'public'  => true,
				'show_ui' => true,
			),
			'objects'
		);

		$post_types = array_filter( $post_types, 'is_post_type_viewable' );

		// Remove attachment if already present (we add it explicitly below).
		$post_types = array_filter(
			$post_types,
			function ( $pt ) {
				return 'attachment' !== $pt->name;
			}
		);

		// Add attachment post type (matching PHP sitemap callback behavior).
		$post_types[] = get_post_type_object( 'attachment' );

		$result = array();

		foreach ( $post_types as $post_type ) {
			$result[] = array(
				'name'  => $post_type->name,
				'label' => $post_type->label,
			);
		}

		return $result;
	}

	/**
	 * Get user roles for settings.
	 *
	 * @return array
	 */
	private function getUserRoles() {
		global $wp_roles;

		if ( ! isset( $wp_roles ) ) {
			$wp_roles = new \WP_Roles();
		}

		$roles = array();

		foreach ( $wp_roles->get_names() as $key => $value ) {
			$roles[] = array(
				'key'   => $key,
				'name'  => $value,
				'label' => translate_user_role( $value, 'default' ),
			);
		}

		return $roles;
	}

	/**
	 * Get migration nonces for AJAX migration handlers.
	 *
	 * @return array
	 */
	private function getMigrationNonces() {
		return array(
			'yoast'            => wp_create_nonce( 'seopress_yoast_migrate_nonce' ),
			'aio'              => wp_create_nonce( 'seopress_aio_migrate_nonce' ),
			'seo-framework'    => wp_create_nonce( 'seopress_seo_framework_migrate_nonce' ),
			'rk'               => wp_create_nonce( 'seopress_rk_migrate_nonce' ),
			'squirrly'         => wp_create_nonce( 'seopress_squirrly_migrate_nonce' ),
			'seo-ultimate'     => wp_create_nonce( 'seopress_seo_ultimate_migrate_nonce' ),
			'wp-meta-seo'      => wp_create_nonce( 'seopress_meta_seo_migrate_nonce' ),
			'premium-seo-pack' => wp_create_nonce( 'seopress_premium_seo_pack_migrate_nonce' ),
			'smartcrawl'       => wp_create_nonce( 'seopress_smart_crawl_migrate_nonce' ),
			'slim-seo'         => wp_create_nonce( 'seopress_slim_seo_migrate_nonce' ),
			'siteseo'          => wp_create_nonce( 'seopress_siteseo_migrate_nonce' ),
		);
	}

	/**
	 * Get tools page tabs, filtered so PRO can add its own.
	 *
	 * @return array
	 */
	private function getToolsTabs() {
		$tabs = array(
			'tab_seopress_tool_settings' => __( 'Settings', 'wp-seopress' ),
			'tab_seopress_tool_plugins'  => __( 'Plugins', 'wp-seopress' ),
			'tab_seopress_tool_reset'    => __( 'Reset', 'wp-seopress' ),
		);

		return apply_filters( 'seopress_tools_tabs', $tabs );
	}

	/**
	 * Get contextual promotion for a page type.
	 *
	 * Reuses the same data source as the PHP-rendered promotions.
	 *
	 * @param string $page_type The page type (titles, sitemaps, analytics, advanced).
	 *
	 * @return array|null Promotion data or null.
	 */
	private function getContextualPromotion( $page_type ) {
		if ( ! function_exists( 'seopress_get_contextual_promotion' ) ) {
			return null;
		}

		return seopress_get_contextual_promotion( $page_type );
	}

	/**
	 * Get feature toggle states for all pages.
	 *
	 * @return array Keyed by feature slug, value is "1" (enabled) or "0".
	 */
	private function getFeatureToggles() {
		$features = array( 'titles', 'xml-sitemap', 'social', 'google-analytics', 'instant-indexing', 'advanced' );
		$features = apply_filters( 'seopress_settings_feature_toggle_keys', $features );
		$toggles  = array();

		foreach ( $features as $feature ) {
			$toggles[ $feature ] = ( '1' == seopress_get_toggle_option( $feature ) ) ? '1' : '0'; // phpcs:ignore
		}

		return $toggles;
	}

	/**
	 * Get public taxonomies for settings.
	 *
	 * @return array
	 */
	private function getTaxonomies() {
		// Match the WordPressData service: public OR publicly_queryable.
		$args = array(
			'public'             => true,
			'publicly_queryable' => true,
		);
		$args       = apply_filters( 'seopress_get_taxonomies_args', $args );
		$taxonomies = get_taxonomies( $args, 'objects', 'or' );

		$result = array();

		foreach ( $taxonomies as $taxonomy ) {
			$result[] = array(
				'name'  => $taxonomy->name,
				'label' => $taxonomy->label,
			);
		}

		return $result;
	}

	/**
	 * Get current user's panels expand/collapse state.
	 *
	 * @return array
	 */
	private function getPanelsState() {
		$user_id = get_current_user_id();
		$state   = get_user_meta( $user_id, 'seopress_panels_state', true );

		if ( ! is_array( $state ) ) {
			$state = array();
		}

		return $state;
	}

}