<?php
/**
 * Enqueue admin assets for AI Content by Parallax.
 *
 * @package AIContentByParallax
 */

namespace AIContentByParallax\Core;

defined( 'ABSPATH' ) || exit;

use AIContentByParallax\Admin\AjaxRequestHandlers;
use AIContentByParallax\Config\Messages;
use AIContentByParallax\Core\Client;
use AIContentByParallax\Core\Logger;

/**
 * Handle registration and loading of scripts/styles.
 */
class Assets {
	/**
	 * Script/style handle prefix.
	 *
	 * @var string
	 */
	public static string $handle = 'ai-content-by-parallax-';

	/**
	 * Conditionally enqueue admin scripts
	 *
	 * @param string $hook Current admin page hook.
	 */
	public static function register( $hook ) {
		self::enqueue_product_metabox_assets( $hook );

		if ( strpos( $hook, 'ai-content-by-parallax' ) === false ) {
			return;
		}

		$scripts = array( 'jquery', self::$handle . 'admin' );

		wp_register_script(
			self::$handle . 'admin',
			WCPAI_PLUGIN_URL . 'assets/js/admin.js',
			array( 'jquery' ),
			WCPAI_VERSION,
			true
		);

		wp_localize_script( self::$handle . 'admin', 'AIContentByParallaxVars', self::get_localized_vars() );

		// if this is the optimize_products, optimize_categories, or optimize_tags tab.
		$current_tab = filter_input( INPUT_GET, 'tab', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
		$current_tab = null !== $current_tab && '' !== $current_tab ? $current_tab : 'optimize_products';
		if ( self::is_optimize_tab( $current_tab ) ) {
			wp_register_script(
				self::$handle . 'filtered-table',
				WCPAI_PLUGIN_URL . 'assets/js/filtered-table.js',
				array( 'jquery' ),
				WCPAI_VERSION,
				true
			);
			$scripts[] = self::$handle . 'filtered-table';
		}

		self::enqueue_all_scripts( $scripts );
		self::enqueue_styles( $hook );
	}

	/**
	 * Enqueue admin styles when on plugin screens.
	 *
	 * @param string $hook Current admin page hook.
	 */
	public static function enqueue_styles( $hook ) {
		if ( strpos( $hook, 'ai-content-by-parallax' ) === false ) {
			return;
		}

		wp_register_style(
			self::$handle . 'admin',
			WCPAI_PLUGIN_URL . 'assets/css/admin.css',
			array(),
			WCPAI_VERSION
		);

		wp_enqueue_style( self::$handle . 'admin' );
	}

	/**
	 * Determine if the current tab should load filtered table assets.
	 *
	 * @param string $current_tab Tab slug.
	 * @return bool
	 */
	private static function is_optimize_tab( $current_tab ): bool {
		return in_array( $current_tab, array( 'optimize_products', 'optimize_categories', 'optimize_tags' ), true );
	}

	/**
	 * Build localized data for JS usage.
	 *
	 * @return array
	 */
	private static function get_localized_vars(): array {
		$create_nonce = static function ( string $action_key ): string {
			$nonce_action = AjaxRequestHandlers::get_nonce_action( $action_key );

			if ( '' !== $nonce_action ) {
				return wp_create_nonce( $nonce_action );
			}

			if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
				Logger::write_log(
					'info',
					sprintf( '[AIContentByParallax] Missing nonce_action for %s in AjaxRequestHandlers map.', $action_key )
				);
			}

			return '';
		};

		$client = Client::load();

		return array(
			'ajax_url'                    => admin_url( 'admin-ajax.php' ),
			'namespace'                   => WCPAI_NAMESPACE,
			'client_credits'              => $client->get_credits(),
			'messages'                    => Messages::group( 'js' ),
			'get_products_nonce'          => $create_nonce( 'get_products' ),
			'batch_request_nonce'         => $create_nonce( 'submit_batreq' ),
			'import_all_nonce'            => $create_nonce( 'import_all_items' ),
			'import_item_nonce'           => $create_nonce( 'import_item' ),
			'details_refresh_nonce'       => $create_nonce( 'refresh_batreqdets_prod' ),
			'optimize_all_nonce'          => $create_nonce( 'optimize_all' ),
			'hide_optimized_nonce'        => $create_nonce( 'toggle_hide_optimized' ),
			'enable_debug_support'        => Settings::get( 'enable_debug_support' ) ? 'yes' : 'no',
			'delete_batch_request_nonce'  => $create_nonce( 'del_batreq' ),
			'approval_tables_nonce'       => $create_nonce( 'load_approval_table' ),
			'dismiss_reset_notice_nonce'  => $create_nonce( 'dismiss_reset_notice' ),
			'refresh_single_status_nonce' => $create_nonce( 'refresh_single_batch_status' ),
		);
	}

	/**
	 * Enqueue product metabox script on the product edit screen.
	 *
	 * @param string $hook Current admin page hook.
	 */
	private static function enqueue_product_metabox_assets( $hook ): void {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		if ( ! in_array( $hook, array( 'post.php', 'post-new.php' ), true ) ) {
			return;
		}

		$post_type = get_post_type();
		if ( false === $post_type && isset( $_GET['post'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$post_type = get_post_type( absint( wp_unslash( $_GET['post'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		}
		if ( false === $post_type && isset( $_GET['post_type'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$post_type = sanitize_key( wp_unslash( $_GET['post_type'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		}
		if ( 'product' !== $post_type ) {
			return;
		}

		$handle = self::$handle . 'product-metabox';

		wp_register_script(
			$handle,
			WCPAI_PLUGIN_URL . 'assets/js/product-metabox.js',
			array(),
			WCPAI_VERSION,
			true
		);

		wp_localize_script(
			$handle,
			'ParallaxMetaboxVars',
			array(
				'ajax_url'  => admin_url( 'admin-ajax.php' ),
				'namespace' => WCPAI_NAMESPACE,
				'messages'  => Messages::group( 'js' ),
			)
		);

		wp_enqueue_script( $handle );
	}

	/**
	 * Enqueue all provided script handles.
	 *
	 * @param array $script_handles Script handles to enqueue.
	 */
	private static function enqueue_all_scripts( $script_handles = array() ): void {
		foreach ( $script_handles as $handle ) {
			wp_enqueue_script( $handle );
		}
	}
}