<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Admin;

defined('ABSPATH') || exit;

class ToolsController extends ControllerBase {

    private static $instance = null;

    public static function get_instance(): self {
        if (null === self::$instance) self::$instance = new self();
        return self::$instance;
    }

    public function register_routes(): void {
        // Tools: update center
        register_rest_route(self::API_NAMESPACE, '/tools/update-info', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_update_info'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        register_rest_route(self::API_NAMESPACE, '/tools/update-check', [
            'methods'             => 'POST',
            'callback'            => [$this, 'detect_update'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        register_rest_route(self::API_NAMESPACE, '/tools/update-dismiss', [
            'methods'             => 'POST',
            'callback'            => [$this, 'dismiss_update'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
    }

    public function get_update_info(): \WP_REST_Response {
        $theme = wp_get_theme();
        $info = [
            'current_version' => $theme->get('Version') ?: '0.0.0',
            'name'            => $theme->get('Name') ?: 'AKSRT',
            'update_available'=> false,
            'remote_version'  => '',
            'download_url'    => '',
            'changelog'       => '',
            'last_check'      => 0,
            'dismissed'       => '',
        ];

        if (class_exists('\AKSRT\Core\UpdateChecker')) {
            $stored = \AKSRT\Core\UpdateChecker::get_instance()->get_update_info();
            if (is_array($stored)) {
                $info = array_merge($info, $stored);
            }
        }

        $info['dismissed'] = (string) get_user_meta(get_current_user_id(), 'aksrt_dismissed_update', true);

        return $this->success(['data' => $info]);
    }

    public function detect_update(): \WP_REST_Response {
        if (!class_exists('\AKSRT\Core\UpdateChecker')) {
            return $this->error(__('更新检查器不可用', 'aksrt'), 500);
        }

        \AKSRT\Core\UpdateChecker::get_instance()->do_check();
        $stored = \AKSRT\Core\UpdateChecker::get_instance()->get_update_info();

        return $this->success([
            'message' => __('已完成更新检测', 'aksrt'),
            'data'    => is_array($stored) ? $stored : [],
        ]);
    }

    public function dismiss_update(\WP_REST_Request $request): \WP_REST_Response {
        $params = $this->get_json_params($request);
        $version = sanitize_text_field((string) ($params['version'] ?? ''));

        if ($version === '') {
            return $this->error(__('缺少版本号', 'aksrt'), 422);
        }

        update_user_meta(get_current_user_id(), 'aksrt_dismissed_update', $version);

        return $this->success([
            'message' => __('已忽略此版本提醒', 'aksrt'),
            'data'    => ['version' => $version],
        ]);
    }

}