<?php
/**
 * Object Cache handler.
 *
 * @package SpeedNest
 */

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

/**
 * Class WPSCO_Object_Cache
 *
 * Inspects and manages WordPress object cache (Redis, Memcached, internal).
 */
class WPSCO_Object_Cache {

    /**
     * Check if persistent object cache is active.
     *
     * @return bool
     */
    public static function is_persistent() {
        return wp_using_ext_object_cache();
    }

    /**
     * Get object cache backend name.
     *
     * @return string
     */
    public static function get_backend_name() {
        if ( ! self::is_persistent() ) {
            return __( 'WordPress Default (Non-Persistent)', 'speednest' );
        }

        global $wp_object_cache;

        if ( class_exists( 'Redis' ) && ( isset( $wp_object_cache->redis ) || class_exists( 'WP_Object_Cache' ) ) ) {
            return 'Redis';
        }

        if ( class_exists( 'Memcached' ) || class_exists( 'Memcache' ) ) {
            return 'Memcached';
        }

        return __( 'External Object Cache', 'speednest' );
    }

    /**
     * Flush object cache.
     *
     * @return array
     */
    public static function flush() {
        if ( ! function_exists( 'wp_cache_flush' ) ) {
            return array(
                'status'  => 'not_supported',
                'message' => __( 'Object cache flush function is not available.', 'speednest' ),
            );
        }

        $result = wp_cache_flush();

        return array(
            'status'  => $result ? 'cleared' : 'error',
            'message' => $result ? __( 'Object cache flushed successfully.', 'speednest' ) : __( 'Failed to flush object cache.', 'speednest' ),
        );
    }
}