<?php
namespace AccessControl\API;

use WP_REST_Response;
use WP_REST_Request;

class RoleBackupRestoreRoutes
{
    public static function register()
    {
        add_action('rest_api_init', [__CLASS__, 'register_rest_routes']);
    }

    public static function register_rest_routes()
    {
        register_rest_route('plac/v1', '/create-backup', [
            'methods' => 'POST',
            'callback' => [__CLASS__, 'create_backup'],
            'permission_callback' => function () {
                return current_user_can('manage_options');
            }
        ]);
        register_rest_route('plac/v1', '/restore-backup', [
            'methods' => 'POST',
            'callback' => [__CLASS__, 'restore_backup'],
            'permission_callback' => function () {
                return current_user_can('manage_options');
            }
        ]);

        register_rest_route('plac/v1', '/backup/last-time', array(
            'methods' => 'GET',
            'callback' => [__CLASS__, 'get_last_backup_time'],
            'permission_callback' => function () {
                return current_user_can('manage_options');
            }
        ));

    }

    public static function create_backup(WP_REST_Request $request)
    {
        global $wp_roles;

        // Check nonce for security
        $nonce = $request->get_param('_wpnonce');
        if (!$nonce || !wp_verify_nonce($nonce, 'plac_wp_rest')) {
            return new WP_REST_Response([
                'message' => 'Invalid nonce'
            ], 403);
        }

        if (!isset($wp_roles)) {
            $wp_roles = new WP_Roles();
        }

        $roles = $wp_roles->roles;

        // Create backup
        update_option('plac_role_manager_backup', $roles, false);

        // Save backup timestamp
        $current_time = current_time('mysql');
        update_option('plac_roles_last_backup_time', $current_time);

        // Format timestamp for display
        $formatted_time = date_i18n(get_option('date_format') . ' ' . get_option('time_format'), strtotime($current_time));

        return new WP_REST_Response(array(
            'success' => true,
            'data' => array(
                'lastBackupTime' => $formatted_time
            )
        ), 200);
    }
    public static function restore_backup(WP_REST_Request $request)
    {
        // Check nonce for security
        $nonce = $request->get_param('_wpnonce');
        if (!$nonce || !wp_verify_nonce($nonce, 'plac_wp_rest')) {
            return new WP_REST_Response([
                'message' => 'Invalid nonce'
            ], 403);
        }
        // Get backup
        $backup = get_option('plac_role_manager_backup');

        if (!$backup || !is_array($backup)) {
            return new WP_REST_Response(array(
                'success' => false,
                'message' => 'No valid backup found.',
            ), 400);
        }

        // Initialize WP_Roles
        global $wp_roles;
        if (!isset($wp_roles)) {
            $wp_roles = new WP_Roles();
        }

        // Remove all existing roles before restoring
        foreach ($wp_roles->roles as $role_key => $role_data) {
            $wp_roles->remove_role($role_key);
        }

        // Restore roles from backup
        foreach ($backup as $role_key => $role_data) {
            $wp_roles->add_role($role_key, $role_data['name'], $role_data['capabilities']);
        }

        return new WP_REST_Response(array(
            'success' => true,
        ), 200);
    }


    public static function get_last_backup_time(WP_REST_Request $request)
    {
        $last_backup_time = get_option('plac_roles_last_backup_time', '');

        if (!empty($last_backup_time)) {
            $formatted_time = date_i18n(get_option('date_format') . ' ' . get_option('time_format'), strtotime($last_backup_time));
        } else {
            $formatted_time = __('Never', 'access-control');
        }

        return new WP_REST_Response(array(
            'success' => true,
            'data' => array(
                'lastBackupTime' => $formatted_time
            )
        ), 200);
    }

}