<?php

namespace RoosterLMS\Blocks;

defined( 'ABSPATH' ) || exit;

final class BlockRegistry {

	public const BLOCKS = array(
		'course-grid'             => Render\CourseGrid::class,
		'course-outline'          => Render\CourseOutline::class,
		'enrol-button'            => Render\EnrolButton::class,
		'mark-complete'           => Render\MarkComplete::class,
		'progress-bar'            => Render\ProgressBar::class,
		'my-courses'              => Render\MyCourses::class,
		'org-progress'            => Render\OrgProgress::class,
		'category-grid'           => Render\CategoryGrid::class,
		'category-list'           => Render\CategoryList::class,
		'breadcrumbs'             => Render\Breadcrumbs::class,
		'org-portal'              => Render\OrgPortal::class,
		'org-dashboard'           => Render\OrgDashboard::class,
		'org-members'             => Render\OrgMembers::class,
		'org-matrix'              => Render\OrgMatrix::class,
		'org-job-roles'           => Render\OrgJobRoles::class,
		'org-locations'           => Render\OrgLocations::class,
		'org-branding'            => Render\OrgBranding::class,
		'org-registration-fields' => Render\OrgRegistrationFields::class,
		'org-enroller'            => Render\OrgEnroller::class,
		'org-catalogue'           => Render\OrgCatalogue::class,
		'org-quiz-results'        => Render\OrgQuizResults::class,
		'quiz'                    => Render\Quiz::class,
		'h5p'                     => Render\H5P::class,
		'question'                => Render\Question::class,
		'stimulus'                => Render\Stimulus::class,
		'my-certificates'         => Render\MyCertificates::class,
		'certificate-verify'      => Render\CertificateVerify::class,
		'grading-queue'           => Render\GradingQueue::class,
		'org-assessments'         => Render\OrgAssessments::class,
		'feedback'                => Render\Feedback::class,
		'account'                 => Render\Account::class,
		'account-menu'            => Render\AccountMenu::class,
		'live-session'            => Render\LiveSession::class,
		'live-sessions'           => Render\LiveSessions::class,
		'live-lesson'             => \RoosterLMS\Live\Lesson\LessonView::class,
	);

	public const ON_DEMAND_MODULES = array( 'enrol-button', 'mark-complete', 'org-progress', 'org-members', 'org-matrix', 'org-job-roles', 'org-locations', 'org-branding', 'org-registration-fields', 'org-enroller', 'org-catalogue', 'quiz', 'grading-queue', 'org-assessments', 'feedback' );

	private static array $modules = array();

	private static bool $registered = false;

	public function register(): void {
		if ( self::$registered ) {
			return;
		}
		self::$registered = true;
		add_action( 'init', array( $this, 'register_blocks' ) );
		add_filter( 'block_categories_all', array( $this, 'category' ), 10, 1 );
		( new LanguageUrls() )->register();
		( new LiveContent() )->register();
	}

	public function register_blocks(): void {
		$manifest = dirname( rtrim( self::build_dir(), '/\\' ) ) . '/blocks-manifest.php';
		if ( is_file( $manifest ) ) {
			wp_register_block_metadata_collection( rtrim( self::build_dir(), '/\\' ), $manifest );
		}
		$registry = \WP_Block_Type_Registry::get_instance();
		foreach ( self::BLOCKS as $name => $class ) {
			$dir = self::build_dir() . $name;
			if ( ! is_file( $dir . '/block.json' ) || $registry->is_registered( 'rooster-lms/' . $name ) ) {
				continue;
			}
			$type = register_block_type( $dir, array( 'render_callback' => array( $class, 'render' ) ) );
			if ( false === $type ) {
				continue;
			}
			if ( in_array( $name, self::ON_DEMAND_MODULES, true ) ) {
				self::$modules[ $name ]       = array_values( array_map( 'strval', (array) $type->view_script_module_ids ) );
				$type->view_script_module_ids = array();
			}
			$handle = generate_block_asset_handle( 'rooster-lms/' . $name, 'editorScript' );
			if ( wp_script_is( $handle, 'registered' ) ) {
				wp_set_script_translations( $handle, 'rooster-lms', ROOSTER_LMS_DIR . 'languages' );
			}
		}
	}

	public function category( $categories ) {
		if ( ! is_array( $categories ) ) {
			return $categories;
		}
		foreach ( $categories as $category ) {
			if ( is_array( $category ) && isset( $category['slug'] ) && 'rooster-lms' === $category['slug'] ) {
				return $categories;
			}
		}
		$categories[] = array(
			'slug'  => 'rooster-lms',
			'title' => __( 'Rooster LMS', 'rooster-lms' ),
			'icon'  => null,
		);
		return $categories;
	}

	public static function build_dir(): string {
		$default = ROOSTER_LMS_DIR . 'build/blocks/';
		$dir = apply_filters( 'rooster_lms_blocks_build_dir', $default );
		return is_string( $dir ) && '' !== $dir ? trailingslashit( $dir ) : $default;
	}

	public static function enqueue_view_module( string $name ): void {
		foreach ( self::$modules[ $name ] ?? array() as $id ) {
			wp_enqueue_script_module( $id );
		}
	}

	public static function view_module_ids( string $name ): array {
		return self::$modules[ $name ] ?? array();
	}

	public static function is_registered( string $name ): bool {
		return \WP_Block_Type_Registry::get_instance()->is_registered( 'rooster-lms/' . $name );
	}
}