<?php
/**
 * Active Plugins check.
 *
 * @package advanced-analytics
 *
 * @since 4.9.0
 */

declare(strict_types=1);

namespace ADVAN\Checks\Migration;

use ADVAN\Checks\Abstract_Check;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'ADVAN\Checks\Migration\Active_Plugins_Check' ) ) {

	/**
	 * Active Plugins check class.
	 *
	 * @since 4.9.0
	 */
	class Active_Plugins_Check extends Abstract_Check {

		/**
		 * Check identifier (slug).
		 *
		 * @var string Check identifier (slug).
		 *
		 * @since 4.9.0
		 */
		protected static string $id = 'active-plugins';

		/**
		 * Check category.
		 *
		 * @var string Check category.
		 *
		 * @since 4.9.0
		 */
		protected static string $category = 'resources';

		/**
		 * Check weight (1-10).
		 *
		 * @var int Check weight (1-10).
		 *
		 * @since 4.9.0
		 */
		protected static int $weight = 4;

		/**
		 * Check title (translatable).
		 *
		 * @return string Check title.
		 *
		 * @since 4.9.0
		 */
		public static function get_title(): string {
			return __( 'Active Plugins', '0-day-analytics' );
		}

		/**
		 * Check description (translatable).
		 *
		 * @return string Check description.
		 *
		 * @since 4.9.0
		 */
		public static function get_description(): string {
			return __( 'Checks active plugins for migration compatibility.', '0-day-analytics' );
		}

		/**
		 * Run the check.
		 *
		 * @return array Check result.
		 *
		 * @since 4.9.0
		 */
		public static function run(): array {
			$active_plugins = get_option( 'active_plugins', array() );
			$plugin_count   = count( $active_plugins );

			// Plugins known to store absolute paths or server-specific data.
			$path_dependent_plugins = array(
				'wordfence/wordfence.php'   => 'Wordfence',
				'sucuri-scanner/sucuri.php' => 'Sucuri',
				'better-wp-security/better-wp-security.php' => 'iThemes Security',
				'all-in-one-wp-security-and-firewall/wp-security.php' => 'All In One WP Security',
			);

			// Plugins that may need reconfiguration after migration.
			$reconfigure_plugins = array(
				'woocommerce/woocommerce.php'           => 'WooCommerce',
				'google-site-kit/google-site-kit.php'   => 'Google Site Kit',
				'mailchimp-for-wp/mailchimp-for-wp.php' => 'Mailchimp',
				'wpforms-lite/wpforms.php'              => 'WPForms',
			);

			// Cache/optimization plugins that should be reconfigured.
			$cache_plugins = array(
				'wp-super-cache/wp-cache.php'         => 'WP Super Cache',
				'w3-total-cache/w3-total-cache.php'   => 'W3 Total Cache',
				'wp-rocket/wp-rocket.php'             => 'WP Rocket',
				'litespeed-cache/litespeed-cache.php' => 'LiteSpeed Cache',
				'autoptimize/autoptimize.php'         => 'Autoptimize',
			);

			$found_path_dependent = array();
			$found_reconfigure    = array();
			$found_cache          = array();

			foreach ( $active_plugins as $plugin ) {
				if ( isset( $path_dependent_plugins[ $plugin ] ) ) {
					$found_path_dependent[] = $path_dependent_plugins[ $plugin ];
				}
				if ( isset( $reconfigure_plugins[ $plugin ] ) ) {
					$found_reconfigure[] = $reconfigure_plugins[ $plugin ];
				}
				if ( isset( $cache_plugins[ $plugin ] ) ) {
					$found_cache[] = $cache_plugins[ $plugin ];
				}
			}

			$details = array(
				'plugin_count'     => $plugin_count,
				'path_dependent'   => $found_path_dependent,
				'need_reconfigure' => $found_reconfigure,
				'cache_plugins'    => $found_cache,
			);

			$issues = array();

			if ( ! empty( $found_path_dependent ) ) {
				$issues[] = sprintf(
				/* translators: %s: plugin names */
					__( '%s store server paths and may need reinstallation after migration.', '0-day-analytics' ),
					implode( ', ', $found_path_dependent )
				);
			}

			if ( ! empty( $found_cache ) ) {
				$issues[] = sprintf(
				/* translators: %s: plugin names */
					__( '%s should be cleared and reconfigured after migration.', '0-day-analytics' ),
					implode( ', ', $found_cache )
				);
			}

			if ( $plugin_count > 30 ) {
				return static::warning(
					sprintf(
					/* translators: %d: number of plugins */
						__( 'You have %d active plugins. This increases migration complexity - make sure all plugins are compatible with the new server.', '0-day-analytics' ),
						$plugin_count
					),
					! empty( $issues ) ? implode( ' ', $issues ) : __( 'Document your plugin list and verify each one works after migration.', '0-day-analytics' ),
					$details
				);
			}

			if ( ! empty( $found_path_dependent ) || ! empty( $found_cache ) ) {
				return static::info(
					sprintf(
					/* translators: %d: number of plugins */
						__( 'You have %d active plugins. Some will need attention after migration.', '0-day-analytics' ),
						$plugin_count
					),
					$details
				);
			}

			return static::pass(
				sprintf(
				/* translators: %d: number of plugins */
					__( 'You have %d active plugins with no special migration requirements detected. They should transfer smoothly.', '0-day-analytics' ),
					$plugin_count
				),
				$details
			);
		}
	}
}