<?php
/**
 * Initialize inventory, bounded diagnostics and the manual full-scan services.
 *
 * @package MediaZard
 */

namespace MediaZard;

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

use MediaZard\Admin\Admin;
use MediaZard\Admin\UpgraderCleanup as UpgraderCleanupPage;
use MediaZard\Admin\MediaLibrary;
use MediaZard\Admin\UsageDetails;
use MediaZard\Admin\AttachmentUsage;
use MediaZard\Media\UsageIndex;
use MediaZard\Media\IncrementalIndex;
use MediaZard\Repository\DirtySourcesRepository;
use MediaZard\Admin\IncrementalControls;
use MediaZard\Repository\UsageRepository;
use MediaZard\Admin\CoreDiagnostics;
use MediaZard\Admin\InventoryController;
use MediaZard\Admin\ScanController;
use MediaZard\Admin\ScanPage;
use MediaZard\Database\Migrations;
use MediaZard\Media\AttachmentInventory;
use MediaZard\Repository\InventoryStateRepository;
use MediaZard\Repository\MediaRepository;
use MediaZard\Repository\ReferenceRepository;
use MediaZard\Repository\ScanStateRepository;
use MediaZard\Repository\SourcesRepository;
use MediaZard\Scanner\AttachmentResolver;
use MediaZard\Scanner\ContentParser;
use MediaZard\Scanner\ContentScanner;
use MediaZard\Scanner\FeaturedImageScanner;
use MediaZard\Scanner\ScannerManager;
use MediaZard\Scanner\ScanCoordinator;
use MediaZard\Scanner\SiteIdentityScanner;
use MediaZard\Support\ScanScopeGuard;
use MediaZard\Support\ElementorIntegration;
use MediaZard\Scanner\ElementorParser;
use MediaZard\Scanner\ElementorBasicScanner;
use MediaZard\Repository\DeletionSafetyRepository;
use MediaZard\Media\DeletionGuard;
use MediaZard\Support\DeletionDiagnostics;
use MediaZard\Admin\DeletionReview;
use MediaZard\Admin\BulkDeletionReview;
use MediaZard\Media\BulkDeletion;
use MediaZard\Media\ReplacementService;
use MediaZard\Media\ReplacementCache;
use MediaZard\Repository\ReplacementRepository;
use MediaZard\Admin\ReplacementRecovery;
use MediaZard\Admin\ReplacementController;
use MediaZard\Admin\ReplacementPage;

/**
 * Register the currently implemented plugin services once per request.
 */
final class Plugin {

	/**
	 * Whether initialization has already run in this request.
	 *
	 * @var bool
	 */
	private static $initialized = false;

	/**
	 * Initialize on init so translations are not requested too early.
	 *
	 * @return void
	 */
	public static function init(): void {
		global $wp_textdomain_registry;

		if ( self::$initialized ) {
			return;
		}

		self::$initialized = true;

		// WordPress loads this slug's language packs from WP_LANG_DIR/plugins on demand.
		// Preserve optional site-installed translations on the minimum supported
		// WordPress version by registering their path without loading them eagerly.
		if ( is_dir( MEDIAZARD_PATH . 'languages' ) ) {
			$wp_textdomain_registry->set_custom_path( 'mediazard', MEDIAZARD_PATH . 'languages' );
		}
		require_once MEDIAZARD_PATH . 'includes/Repository/class-mediarepository.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-referencerepository.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-inventorystaterepository.php';
		require_once MEDIAZARD_PATH . 'includes/Media/class-attachmentinventory.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-scanstaterepository.php';
		require_once MEDIAZARD_PATH . 'includes/Support/class-scanscopeguard.php';

		$media      = new MediaRepository();
		$state      = new InventoryStateRepository();
		$inventory  = new AttachmentInventory( $media, $state );
		$scan_state = new ScanStateRepository();
		require_once MEDIAZARD_PATH . 'includes/Repository/class-sourcesrepository.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-dirtysourcesrepository.php';
		require_once MEDIAZARD_PATH . 'includes/Media/class-incrementalindex.php';
		$references  = new ReferenceRepository();
		$scanners    = self::scanners( $media, $references );
		$sources     = new SourcesRepository();
		$dirty       = new DirtySourcesRepository();
		$incremental = new IncrementalIndex( $scanners, $references, $dirty, $scan_state, $inventory, $media, $sources );
		$guard       = new ScanScopeGuard( $scan_state, $incremental, $sources );
		$guard->register_hooks();
		require_once MEDIAZARD_PATH . 'includes/Support/class-elementorintegration.php';
		$elementor = new ElementorIntegration( $incremental );
		$elementor->register_hooks();
		require_once MEDIAZARD_PATH . 'includes/Repository/class-usagerepository.php';
		require_once MEDIAZARD_PATH . 'includes/Media/class-usageindex.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-deletionsafetyrepository.php';
		require_once MEDIAZARD_PATH . 'includes/Support/class-deletiondiagnostics.php';
		require_once MEDIAZARD_PATH . 'includes/Media/class-deletionguard.php';
		foreach ( array( 'class-attachmentlock', 'class-uploadvalidator', 'class-replacementfiles', 'class-replacementmetadata', 'class-replacementservice', 'class-replacementcache' ) as $file ) {
			require_once MEDIAZARD_PATH . 'includes/Media/' . $file . '.php';
		}
		require_once MEDIAZARD_PATH . 'includes/Repository/class-replacementrepository.php';
		require_once MEDIAZARD_PATH . 'includes/Repository/class-upgraderrepository.php';
		require_once MEDIAZARD_PATH . 'includes/Media/class-upgradercleanup.php';
		$replacement_cache = new ReplacementCache( new ReplacementRepository() );
		$replacement_cache->register_hooks();
		$usage_repository = new UsageRepository();
		$usage            = new UsageIndex( $usage_repository, $scan_state, $scanners->registered(), $sources );
		$diagnostics      = new DeletionDiagnostics();
		$safety           = new DeletionSafetyRepository();
		$upgrader_cleanup = new Media\UpgraderCleanup( $safety, new ReplacementRepository(), $sources, $diagnostics );
		$deletion_guard   = new DeletionGuard( $usage_repository, $scan_state, $sources, $safety, $diagnostics, $scanners->registered(), $upgrader_cleanup );
		$deletion_guard->register_hooks();
		$upgrader_cleanup->register_hooks();

		if ( is_admin() ) {
			require_once MEDIAZARD_PATH . 'admin/class-ui.php';
			require_once MEDIAZARD_PATH . 'admin/class-productpage.php';
			require_once MEDIAZARD_PATH . 'includes/Media/class-bulkdeletion.php';
			$bulk_service = new BulkDeletion( $deletion_guard, $incremental );
			require_once MEDIAZARD_PATH . 'includes/Repository/class-dashboardrepository.php';
			add_action( 'admin_enqueue_scripts', array( \MediaZard\Admin\Ui::class, 'assets' ) );
			add_action( 'current_screen', array( \MediaZard\Admin\Ui::class, 'screen_title' ) );
			require_once MEDIAZARD_PATH . 'admin/class-corediagnostics.php';
			require_once MEDIAZARD_PATH . 'admin/class-admin.php';
			require_once MEDIAZARD_PATH . 'admin/class-inventorycontroller.php';
			require_once MEDIAZARD_PATH . 'includes/Repository/class-sourcesrepository.php';
			require_once MEDIAZARD_PATH . 'includes/Scanner/class-scancoordinator.php';
			require_once MEDIAZARD_PATH . 'admin/class-scancontroller.php';
			require_once MEDIAZARD_PATH . 'admin/class-scanpage.php';

			add_action( 'admin_init', array( self::class, 'upgrade' ) );
			$controller = new InventoryController( $inventory );
			$controller->register_hooks();
			$coordinator     = new ScanCoordinator( $scanners, $references, $scan_state, $sources, $incremental );
			$scan_controller = new ScanController( $coordinator );
			$scan_controller->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-incrementalcontrols.php';
			$incremental_controls = new IncrementalControls( $incremental, $dirty );
			$incremental_controls->register_hooks();
			$scan_page = new ScanPage( $coordinator, $incremental_controls );
			$scan_page->register_hooks();
			$admin = new Admin( $media, $references, $state, new CoreDiagnostics( $references ), $scan_page, new \MediaZard\Admin\ProductPage( $usage, $usage_repository, $bulk_service ) );
			$admin->register_hooks();
			foreach ( array( 'class-medialibrary', 'class-usagedetails', 'class-attachmentusage' ) as $file ) {
				require_once MEDIAZARD_PATH . 'admin/' . $file . '.php';
			}
			$library = new MediaLibrary( $usage, $usage_repository );
			$library->register_hooks();
			$details = new UsageDetails( $usage, $usage_repository );
			$details->register_hooks();
			$attachment_usage = new AttachmentUsage( $usage );
			$attachment_usage->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-deletionreview.php';
			$deletion_review = new DeletionReview( $deletion_guard, $diagnostics );
			$deletion_review->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-bulkdeletionreview.php';
			$bulk_review = new BulkDeletionReview( $bulk_service );
			$bulk_review->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-replacementrecovery.php';
			$replacement_service  = new ReplacementService();
			$replacement_recovery = new ReplacementRecovery( $replacement_service );
			$replacement_recovery->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-replacementcontroller.php';
			require_once MEDIAZARD_PATH . 'admin/class-replacementpage.php';
			$replacement_controller = new ReplacementController( $replacement_service, $inventory );
			$replacement_controller->register_hooks();
			$replacement_page = new ReplacementPage( $replacement_controller );
			$replacement_page->register_hooks();
			require_once MEDIAZARD_PATH . 'admin/class-upgradercleanup.php';
			$cleanup_page = new UpgraderCleanupPage( $upgrader_cleanup );
			$cleanup_page->register_hooks();
		}
	}

	/**
	 * Load the core registry for admin diagnostics without running any scanner.
	 *
	 * @param MediaRepository     $media Media repository.
	 * @param ReferenceRepository $references Reference repository.
	 * @return ScannerManager
	 */
	private static function scanners( MediaRepository $media, ReferenceRepository $references ): ScannerManager {
		foreach ( array( 'interface-scannerinterface', 'class-source', 'class-reference', 'class-attachmentresolver', 'class-contentparser', 'class-contentscanner', 'class-featuredimagescanner', 'class-siteidentityscanner', 'class-scannermanager', 'class-elementorparser', 'class-elementorbasicscanner' ) as $file ) {
			require_once MEDIAZARD_PATH . 'includes/Scanner/' . $file . '.php';
		}
		$resolver = new AttachmentResolver( $media );
		$manager  = new ScannerManager( $references, $resolver );
		$manager->register( new FeaturedImageScanner( $resolver ) );
		$manager->register( new SiteIdentityScanner( $resolver ) );
		$manager->register( new ContentScanner( new ContentParser(), $resolver ) );
		$manager->register( new ElementorBasicScanner( new ElementorParser(), $resolver ) );
		return $manager;
	}

	/**
	 * Apply pending schema changes after code updates on an authorized admin request.
	 *
	 * @return void
	 */
	public static function upgrade(): void {
		if ( current_user_can( 'manage_options' ) ) {
			Migrations::upgrade();
		}
	}
}