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

namespace AKSRT\Admin;

defined('ABSPATH') || exit;

class UserController extends ControllerBase {
    use UserControllerReportOperations;
    use UserControllerInviteOperations;
    use UserControllerVerifyIntegrations;
    use UserControllerIdentitySettings;
    use UserControllerAuthPhoneOperations;
    use UserControllerRestrictionOperations;
    use UserControllerFollowOperations;
    use UserControllerProfileMediaOperations;

    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 {
        // Auth settings (login/registration)
        register_rest_route(self::API_NAMESPACE, '/settings/auth', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'rest_handle_auth_settings'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // OAuth settings
        register_rest_route(self::API_NAMESPACE, '/settings/oauth', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'rest_handle_oauth'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // OAuth proxy settings
        register_rest_route(self::API_NAMESPACE, '/settings/oauth-proxy', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'rest_handle_oauth_proxy'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // User profile media uploads (logged-in users).
        register_rest_route(self::API_NAMESPACE, '/user/background', [
            'methods'             => 'POST',
            'callback'            => [$this, 'rest_upload_user_background'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);
        register_rest_route(self::API_NAMESPACE, '/user/avatar', [
            [
                'methods'             => 'POST',
                'callback'            => [$this, 'rest_upload_user_avatar'],
                'permission_callback' => function () { return is_user_logged_in(); },
            ],
            [
                'methods'             => 'DELETE',
                'callback'            => [$this, 'rest_delete_user_avatar'],
                'permission_callback' => function () { return is_user_logged_in(); },
            ],
        ]);

        // Comment inline image upload (logged-in users)
        register_rest_route(self::API_NAMESPACE, '/comment/upload-image', [
            'methods'             => 'POST',
            'callback'            => [$this, 'rest_upload_comment_image'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Notification settings
        register_rest_route(self::API_NAMESPACE, '/settings/notifications', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'rest_handle_notification_settings'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Keep message-center aliases on this controller so existing admin pages
        // remain compatible while notifications runtime lives in Message controller.
        register_rest_route(self::API_NAMESPACE, '/notifications/overview', [
            'methods'             => 'GET',
            'callback'            => [$this, 'rest_get_notification_overview'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/notifications/mark-read', [
            'methods'             => 'POST',
            'callback'            => [$this, 'rest_mark_notification_read'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/notifications/(?P<id>\d+)', [
            'methods'             => 'DELETE',
            'callback'            => [$this, 'rest_delete_notification_item'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/notifications/cleanup', [
            'methods'             => 'POST',
            'callback'            => [$this, 'rest_run_notification_cleanup'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Mail templates (email content templates)
        register_rest_route(self::API_NAMESPACE, '/settings/mail-templates', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'handle_mail_templates'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Credits settings (admin)
        register_rest_route(self::API_NAMESPACE, '/credits/settings', [
            'methods'             => ['GET', 'POST'],
            'callback'            => [$this, 'rest_handle_credit_settings'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Credits — current user balance (frontend)
        register_rest_route(self::API_NAMESPACE, '/credits/me', [
            'methods'             => 'GET',
            'callback'            => [$this, 'rest_get_credits_me'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Credits — user list (admin)
        register_rest_route(self::API_NAMESPACE, '/credits/users', [
            'methods'             => 'GET',
            'callback'            => [$this, 'rest_list_credit_users'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Credits — adjust user balance (admin)
        register_rest_route(self::API_NAMESPACE, '/credits/users/(?P<id>\d+)/adjust', [
            'methods'             => 'POST',
            'callback'            => [$this, 'rest_adjust_user_credits'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Credits — transaction log (admin)
        register_rest_route(self::API_NAMESPACE, '/credits/log', [
            'methods'             => 'GET',
            'callback'            => [$this, 'rest_get_credits_log'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Report ticket list (admin)
        register_rest_route(self::API_NAMESPACE, '/report/list', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_report_list'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/users/reports', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_report_list'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/users/reports/(?P<id>\d+)', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_report_detail'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/users/reports/(?P<id>\d+)/process', [
            'methods'             => 'POST',
            'callback'            => [$this, 'process_report'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Report status update (admin)
        register_rest_route(self::API_NAMESPACE, '/report/update-status', [
            'methods'             => 'POST',
            'callback'            => [$this, 'update_report_status'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Report counts (admin)
        register_rest_route(self::API_NAMESPACE, '/report/counts', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_report_counts'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Report submit (logged-in users, front-end)
        register_rest_route(self::API_NAMESPACE, '/report/submit', [
            'methods'             => 'POST',
            'callback'            => [$this, 'submit_report'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Follow toggle (logged-in users)
        register_rest_route(self::API_NAMESPACE, '/follow/toggle', [
            'methods'             => 'POST',
            'callback'            => [$this, 'follow_toggle'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Follow status check (logged-in users)
        register_rest_route(self::API_NAMESPACE, '/follow/status', [
            'methods'             => 'GET',
            'callback'            => [$this, 'follow_status'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Follow counts (public)
        register_rest_route(self::API_NAMESPACE, '/follow/counts', [
            'methods'             => 'GET',
            'callback'            => [$this, 'follow_counts'],
            'permission_callback' => '__return_true',
        ]);

        // Invite codes management (admin)
        register_rest_route(self::API_NAMESPACE, '/invite/codes', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_invite_codes'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        register_rest_route(self::API_NAMESPACE, '/invite/codes', [
            'methods'             => 'POST',
            'callback'            => [$this, 'generate_invite_codes'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        register_rest_route(self::API_NAMESPACE, '/invite/codes/(?P<id>\d+)/disable', [
            'methods'             => 'POST',
            'callback'            => [$this, 'disable_invite_code'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
        register_rest_route(self::API_NAMESPACE, '/invite/codes/bulk', [
            'methods'             => 'POST',
            'callback'            => [$this, 'bulk_update_invite_codes'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        register_rest_route(self::API_NAMESPACE, '/invite/stats', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_invite_stats'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // ── Modal Auth (弹窗登录/注册) ──

        // Modal login
        register_rest_route(self::API_NAMESPACE, '/auth/modal-login', [
            'methods'             => 'POST',
            'callback'            => [$this, 'modal_login'],
            'permission_callback' => '__return_true',
        ]);

        // Modal register
        register_rest_route(self::API_NAMESPACE, '/auth/modal-register', [
            'methods'             => 'POST',
            'callback'            => [$this, 'modal_register'],
            'permission_callback' => '__return_true',
        ]);

        // Current user info (for AJAX refresh)
        register_rest_route(self::API_NAMESPACE, '/auth/me', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_current_user_info'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // Identity verification provider settings (admin only)
        register_rest_route(self::API_NAMESPACE, '/identity/settings', [
            [
                'methods'             => 'GET',
                'callback'            => [$this, 'get_identity_settings'],
                'permission_callback' => [$this, 'check_permission'],
            ],
            [
                'methods'             => 'POST',
                'callback'            => [$this, 'update_identity_settings'],
                'permission_callback' => [$this, 'check_permission'],
            ],
        ]);
        register_rest_route(self::API_NAMESPACE, '/identity/settings/test', [
            'methods'             => 'POST',
            'callback'            => [$this, 'test_identity_settings'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // SMS provider status
        register_rest_route(self::API_NAMESPACE, '/sms/status', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_sms_status'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // SMS test send (admin only)
        register_rest_route(self::API_NAMESPACE, '/sms/test', [
            'methods'             => 'POST',
            'callback'            => [$this, 'test_sms_send'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // WeChat notification status
        register_rest_route(self::API_NAMESPACE, '/wechat/status', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_wechat_status'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // WeChat settings update
        register_rest_route(self::API_NAMESPACE, '/wechat/settings', [
            'methods'             => 'POST',
            'callback'            => [$this, 'update_wechat_settings'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // SMS auth: send verification code (public, rate-limited)
        register_rest_route(self::API_NAMESPACE, '/auth/send-sms-code', [
            'methods'             => 'POST',
            'callback'            => [$this, 'auth_send_sms_code'],
            'permission_callback' => '__return_true',
        ]);

        // SMS auth: register by phone (public)
        register_rest_route(self::API_NAMESPACE, '/auth/phone-register', [
            'methods'             => 'POST',
            'callback'            => [$this, 'auth_phone_register'],
            'permission_callback' => '__return_true',
        ]);

        // SMS auth: login by phone + password (public)
        register_rest_route(self::API_NAMESPACE, '/auth/phone-login', [
            'methods'             => 'POST',
            'callback'            => [$this, 'auth_phone_login'],
            'permission_callback' => '__return_true',
        ]);

        // SMS auth: login by phone + SMS code (public)
        register_rest_route(self::API_NAMESPACE, '/auth/phone-code-login', [
            'methods'             => 'POST',
            'callback'            => [$this, 'auth_phone_code_login'],
            'permission_callback' => '__return_true',
        ]);

        // SMS auth: bind phone to current user (logged-in)
        register_rest_route(self::API_NAMESPACE, '/auth/bind-phone', [
            'methods'             => 'POST',
            'callback'            => [$this, 'auth_bind_phone'],
            'permission_callback' => function () { return is_user_logged_in(); },
        ]);

        // ── User Restrictions / Ban ──

        // List restrictions for a user (admin)
        register_rest_route(self::API_NAMESPACE, '/users/(?P<user_id>\d+)/restrictions', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_user_restrictions'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Add restriction (admin)
        register_rest_route(self::API_NAMESPACE, '/users/(?P<user_id>\d+)/restrict', [
            'methods'             => 'POST',
            'callback'            => [$this, 'add_user_restriction'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Remove restriction (admin)
        register_rest_route(self::API_NAMESPACE, '/users/restrictions/(?P<id>\d+)', [
            'methods'             => 'DELETE',
            'callback'            => [$this, 'remove_user_restriction'],
            'permission_callback' => [$this, 'check_permission'],
        ]);

        // Restriction stats (admin)
        register_rest_route(self::API_NAMESPACE, '/users/restrictions/stats', [
            'methods'             => 'GET',
            'callback'            => [$this, 'get_restriction_stats'],
            'permission_callback' => [$this, 'check_permission'],
        ]);
    }


    /**
     * GET/POST /settings/mail-templates — 邮件内容模板
     */
    public function handle_mail_templates(\WP_REST_Request $request): \WP_REST_Response {
        $option_key = 'aksrt_mail_templates';
        $fields = [
            'welcome_subject', 'welcome_body',
            'comment_notify_subject', 'comment_notify_body',
            'comment_reply_subject', 'comment_reply_body',
            'password_reset_subject', 'password_reset_body',
            'email_verify_subject', 'email_verify_body',
        ];

        if ($request->get_method() === 'GET') {
            $stored = get_option($option_key, []);
            if (!is_array($stored)) $stored = [];
            $result = [];
            foreach ($fields as $f) {
                $result[$f] = sanitize_text_field((string) ($stored[$f] ?? ''));
            }
            return $this->success(['data' => $result]);
        }

        // POST
        $params = $this->get_json_params($request);
        $clean = [];
        foreach ($fields as $f) {
            $clean[$f] = wp_kses_post((string) ($params[$f] ?? ''));
        }
        update_option($option_key, $clean);

        return $this->success(['message' => __('邮件模板已保存', 'aksrt')]);
    }

    public function rest_handle_credit_settings(\WP_REST_Request $request): \WP_REST_Response {
        if ($request->get_method() === 'GET') {
            $config = \AKSRT\Settings\CreditsRuntime::get_credit_settings();
            return $this->success(['data' => $config]);
        }

        $params = $this->get_json_params($request);
        $current = get_option('aksrt_credit_settings', []);
        if (!is_array($current)) {
            $current = [];
        }
        $merged = array_replace_recursive($current, $params);
        update_option('aksrt_credit_settings', $merged);

        return $this->success(['message' => __('积分配置已保存', 'aksrt')]);
    }

    public function rest_handle_auth_settings(\WP_REST_Request $request): \WP_REST_Response {
        $provider = SchemaProvider::get_instance();
        $allowed = $provider->get_allowed_fields('users', 'auth');

        if ($request->get_method() === 'GET') {
            $data = \AKSRT\Settings\Settings::get_all();
            $invite = class_exists('\AKSRT\Settings\CreditsRuntime')
                ? \AKSRT\Settings\CreditsRuntime::get_invite_registration_config()
                : [];

            return $this->success(['data' => [
                'registration_email_verification_enabled' => \AKSRT\Settings\Settings::registration_requires_email_verification(),
                'registration_email_verification_method'  => \AKSRT\Settings\Settings::registration_verification_method(),
                'invite_registration_enabled'             => $invite['enabled'] ?? true,
                'invite_code_length'                      => class_exists('\AKSRT\Settings\Settings') ? \AKSRT\Settings\Settings::invite_code_length() : 6,
                'invite_register_field'                   => $invite['register_field'] ?? 'optional',
                'invite_reject_invalid'                   => $invite['reject_invalid'] ?? false,
            ] + array_intersect_key($data, $allowed)]);
        }

        $params = $this->get_json_params($request);
        $settings = \AKSRT\Settings\Settings::get_all();
        $sanitized = $this->sanitize_fields($params, $allowed);
        $settings = array_merge($settings, $sanitized);

        if (array_key_exists('invite_registration_enabled', $params)) {
            $settings['invite_registration_enabled'] = !empty($params['invite_registration_enabled']);
        }
        if (array_key_exists('invite_code_length', $params)) {
            $settings['invite_code_length'] = max(4, min(12, (int) $params['invite_code_length']));
        }
        if (array_key_exists('invite_register_field', $params)) {
            $field = (string) $params['invite_register_field'];
            $settings['invit_code_mode'] = $field === 'required' ? 'must' : ($field === 'hidden' ? 'close' : 'open');
        }
        if (array_key_exists('invite_reject_invalid', $params)) {
            $reward = is_array($settings['invite_reward'] ?? null) ? $settings['invite_reward'] : [];
            $reward['reject_invalid'] = !empty($params['invite_reject_invalid']);
            $settings['invite_reward'] = $reward;
        }
        if (array_key_exists('registration_email_verification_enabled', $params)) {
            $settings['registration_email_verification_enabled'] = !empty($params['registration_email_verification_enabled']);
        }
        if (array_key_exists('registration_email_verification_method', $params)) {
            $method = (string) $params['registration_email_verification_method'];
            $settings['registration_email_verification_method'] = in_array($method, ['link', 'code'], true) ? $method : 'link';
        }

        update_option('aksrt_settings', $settings);
        \AKSRT\Settings\Settings::flush_settings_cache();

        return $this->success(['message' => __('注册登录配置已保存', 'aksrt')]);
    }

    public function rest_handle_notification_settings(\WP_REST_Request $request): \WP_REST_Response {
        $provider = SchemaProvider::get_instance();
        $allowed = $provider->get_allowed_fields('users', 'notifications');

        if ($request->get_method() === 'GET') {
            $data = \AKSRT\Settings\Settings::get_all();
            return $this->success(['data' => array_intersect_key($data, $allowed)]);
        }

        $params = $this->get_json_params($request);
        $settings = \AKSRT\Settings\Settings::get_all();
        $settings = array_merge($settings, $this->sanitize_fields($params, $allowed));
        update_option('aksrt_settings', $settings);
        \AKSRT\Settings\Settings::flush_settings_cache();

        return $this->success(['message' => __('消息通知配置已保存', 'aksrt')]);
    }

    public function rest_get_notification_overview(\WP_REST_Request $request): \WP_REST_Response {
        $page = max(1, (int) $request->get_param('page'));
        $per_page = min(100, max(1, (int) $request->get_param('per_page')));
        $type = sanitize_key((string) $request->get_param('type'));
        $is_read = $request->get_param('is_read');

        $items = [];
        $unread = 0;
        if (class_exists('\AKSRT\Messages\Message')) {
            $args = ['limit' => $per_page, 'offset' => ($page - 1) * $per_page];
            if ($type !== '') {
                $args['type'] = $type;
            }
            $items = \AKSRT\Messages\Message::get_instance()->get_notifications(get_current_user_id(), $args);
            if ($is_read !== null && $is_read !== '') {
                $want_read = (string) $is_read === '1';
                $items = array_values(array_filter($items, static function ($item) use ($want_read) {
                    return !empty($item['is_read']) === $want_read;
                }));
            }
            $unread = \AKSRT\Messages\Message::get_instance()->get_unread_count(get_current_user_id());
        }

        $total = count($items);
        $types = [];
        $today = 0;
        $system = 0;
        foreach ($items as $item) {
            $itemType = sanitize_key((string) ($item['type'] ?? 'system'));
            $types[$itemType] = ($types[$itemType] ?? 0) + 1;
            if ($itemType === 'system' || $itemType === 'notice') {
                $system++;
            }
            $created = (string) ($item['created_at'] ?? '');
            if ($created !== '' && str_starts_with($created, gmdate('Y-m-d'))) {
                $today++;
            }
        }

        return $this->success(['data' => [
            'recent' => $items,
            'types' => array_map(static fn($key, $count) => ['type' => $key, 'count' => $count], array_keys($types), array_values($types)),
            'summary' => [
                'total' => $total,
                'unread' => $unread,
                'today' => $today,
                'system' => $system,
            ],
            'pagination' => [
                'page' => $page,
                'per_page' => $per_page,
                'total_items' => $total,
                'total_pages' => 1,
            ],
        ]]);
    }

    public function rest_mark_notification_read(\WP_REST_Request $request): \WP_REST_Response {
        if (!class_exists('\AKSRT\Messages\Message')) {
            return $this->success(['message' => __('消息系统未启用', 'aksrt')]);
        }

        $params = $this->get_json_params($request);
        $msg = \AKSRT\Messages\Message::get_instance();
        if (!empty($params['mark_all'])) {
            $msg->mark_all_read(get_current_user_id());
        } else {
            $id = sanitize_text_field((string) ($params['id'] ?? ''));
            if ($id !== '') {
                $msg->mark_read(get_current_user_id(), $id);
            }
        }

        return $this->success(['message' => __('已更新消息状态', 'aksrt')]);
    }

    public function rest_delete_notification_item(\WP_REST_Request $request): \WP_REST_Response {
        $user_id = get_current_user_id();
        if ($user_id <= 0) {
            return $this->error(__('请先登录', 'aksrt'), 401);
        }
        $params = $this->get_json_params($request);
        $id = sanitize_text_field((string) ($params['id'] ?? $request->get_param('id') ?? ''));
        if ($id === '') {
            return $this->error(__('参数错误', 'aksrt'), 400);
        }
        if (function_exists('aksrt_delete_user_notification')) {
            aksrt_delete_user_notification($user_id, $id);
        } elseif (class_exists('\AKSRT\Messages\Message')) {
            \AKSRT\Messages\Message::get_instance()->mark_read($user_id, $id);
        }
        return $this->success([
            'message' => __('消息已删除', 'aksrt'),
            'unread'  => function_exists('aksrt_get_user_unread_notification_count')
                ? aksrt_get_user_unread_notification_count($user_id)
                : 0,
        ]);
    }

    public function rest_run_notification_cleanup(\WP_REST_Request $request): \WP_REST_Response {
        return $this->success(['message' => __('消息清理任务已受理', 'aksrt')]);
    }

    public function rest_handle_oauth(\WP_REST_Request $request): \WP_REST_Response {
        $provider = SchemaProvider::get_instance();
        $allowed = $provider->get_allowed_fields('users', 'oauth');

        if ($request->get_method() === 'GET') {
            $data = \AKSRT\Settings\Settings::get_all();
            return $this->success(['data' => array_intersect_key($data, $allowed)]);
        }

        $params = $this->get_json_params($request);
        $settings = \AKSRT\Settings\Settings::get_all();
        $settings = array_merge($settings, $this->sanitize_fields($params, $allowed));
        update_option('aksrt_settings', $settings);
        \AKSRT\Settings\Settings::flush_settings_cache();

        return $this->success(['message' => __('第三方登录配置已保存', 'aksrt')]);
    }

    public function rest_handle_oauth_proxy(\WP_REST_Request $request): \WP_REST_Response {
        $keys = [
            'oauth_proxy_mode',
            'oauth_proxy_secret',
            'oauth_proxy_server_url',
            'oauth_proxy_server_providers',
            'oauth_proxy_client_providers',
            'oauth_proxy_gzh_type',
        ];

        if ($request->get_method() === 'GET') {
            $all = \AKSRT\Settings\Settings::get_all();
            $data = [];
            foreach ($keys as $key) {
                $data[$key] = $all[$key] ?? null;
            }
            return $this->success(['data' => $data]);
        }

        $params = $this->get_json_params($request);
        $settings = \AKSRT\Settings\Settings::get_all();
        foreach ($keys as $key) {
            if (!array_key_exists($key, $params)) {
                continue;
            }
            $settings[$key] = is_array($params[$key])
                ? array_values(array_map('sanitize_key', (array) $params[$key]))
                : sanitize_text_field((string) $params[$key]);
        }
        update_option('aksrt_settings', $settings);
        \AKSRT\Settings\Settings::flush_settings_cache();

        return $this->success(['message' => __('OAuth 代理配置已保存', 'aksrt')]);
    }

    public function rest_upload_comment_image(\WP_REST_Request $request): \WP_REST_Response {
        $user_id = get_current_user_id();
        if ($user_id <= 0) {
            return $this->error(__('请先登录', 'aksrt'), 401);
        }
        if (!function_exists('aksrt_user_can') || !aksrt_user_can('upload_comment_image', $user_id)) {
            return $this->error(__('当前账号没有上传评论图片的权限', 'aksrt'), 403);
        }
        if (empty($_FILES['image']) && empty($_FILES['file'])) {
            return $this->error(__('请选择要上传的图片', 'aksrt'), 400);
        }
        require_once ABSPATH . 'wp-admin/includes/file.php';
        require_once ABSPATH . 'wp-admin/includes/media.php';
        require_once ABSPATH . 'wp-admin/includes/image.php';

        $file_key = !empty($_FILES['image']) ? 'image' : 'file';
        $file = $_FILES[$file_key];
        $upload_error = isset($file['error']) ? (int) $file['error'] : UPLOAD_ERR_NO_FILE;
        if ($upload_error !== UPLOAD_ERR_OK) {
            return $this->error(__('图片文件上传失败，请重新选择', 'aksrt'), 400);
        }

        $settings = class_exists('\\AKSRT\\Settings\\Settings') ? \AKSRT\Settings\Settings::get_all() : [];
        $max_size_mb = max(1, min(10, (int) ($settings['comment_image_max_size'] ?? 2)));
        $actual_size = !empty($file['tmp_name']) && is_readable($file['tmp_name']) ? (int) filesize($file['tmp_name']) : 0;
        if ($actual_size <= 0 || $actual_size > $max_size_mb * MB_IN_BYTES) {
            return $this->error(sprintf(__('图片大小必须在 1 字节至 %dMB 之间', 'aksrt'), $max_size_mb), 413);
        }

        $mimes = [
            'jpg|jpeg|jpe' => 'image/jpeg',
            'png'          => 'image/png',
            'gif'          => 'image/gif',
            'webp'         => 'image/webp',
        ];
        $checked = wp_check_filetype_and_ext($file['tmp_name'], $file['name'], $mimes);
        $image_size = wp_getimagesize($file['tmp_name']);
        if (empty($checked['type']) || empty($checked['ext']) || !wp_match_mime_types('image', $checked['type']) || !$image_size || ((int) $image_size[0] * (int) $image_size[1]) > 40000000) {
            return $this->error(__('仅支持有效的 JPG、PNG、GIF 或 WebP 图片', 'aksrt'), 415);
        }
        if (class_exists('\AKSRT\Extensions\ContentAudit')) {
            $audit = \AKSRT\Extensions\ContentAudit::get_instance()->audit_image((string) $file['tmp_name']);
            if (empty($audit['passed'])) {
                return $this->error(__('图片未通过内容审核', 'aksrt'), 422);
            }
        }

        $attachment_id = media_handle_upload($file_key, 0, [], [
            'test_form' => false,
            'mimes'     => $mimes,
        ]);
        if (is_wp_error($attachment_id)) {
            return $this->error($attachment_id->get_error_message(), 400);
        }
        wp_update_post(['ID' => (int) $attachment_id, 'post_author' => $user_id]);
        if (!wp_attachment_is_image((int) $attachment_id)) {
            wp_delete_attachment((int) $attachment_id, true);
            return $this->error(__('上传文件不是有效图片', 'aksrt'), 415);
        }
        $url = wp_get_attachment_url((int) $attachment_id);
        if (!$url) {
            return $this->error(__('上传失败', 'aksrt'), 500);
        }
        return $this->success([
            'message' => __('图片上传成功', 'aksrt'),
            'data'    => [
                'url'           => $url,
                'attachment_id' => (int) $attachment_id,
            ],
        ]);
    }

    public function rest_get_credits_me(\WP_REST_Request $request): \WP_REST_Response {
        $user_id = get_current_user_id();
        return $this->success(['data' => [
            'user_id' => $user_id,
            'balance' => class_exists('\AKSRT\Credits\Credits') ? \AKSRT\Credits\Credits::balance($user_id) : 0,
        ]]);
    }

    public function rest_list_credit_users(\WP_REST_Request $request): \WP_REST_Response {
        $args = [
            'search'   => (string) $request->get_param('search'),
            'page'     => (int) $request->get_param('page'),
            'per_page' => (int) $request->get_param('per_page'),
        ];
        $data = class_exists('\AKSRT\Credits\Credits') ? \AKSRT\Credits\Credits::list_users($args) : ['items' => [], 'total' => 0, 'page' => 1, 'per_page' => 20];
        return $this->success(['data' => $data]);
    }

    public function rest_adjust_user_credits(\WP_REST_Request $request): \WP_REST_Response {
        if (!class_exists('\AKSRT\Credits\Credits')) {
            return $this->error(__('积分系统不可用', 'aksrt'), 500);
        }

        $user_id = (int) $request->get_param('id');
        $params = $this->get_json_params($request);
        $delta = (int) ($params['delta'] ?? 0);
        $reason = sanitize_text_field((string) ($params['reason'] ?? 'admin'));

        if ($user_id <= 0 || $delta === 0) {
            return $this->error(__('用户或积分变动值无效', 'aksrt'), 422);
        }

        if ($delta > 0) {
            $result = \AKSRT\Credits\Credits::add($user_id, $delta, $reason, ['type' => 'user', 'id' => $user_id], 'Admin adjustment');
        } else {
            $result = \AKSRT\Credits\Credits::deduct($user_id, abs($delta), $reason, ['type' => 'user', 'id' => $user_id], 'Admin adjustment');
        }

        if (is_wp_error($result)) {
            return $this->error($result->get_error_message(), 422);
        }

        return $this->success(['data' => [
            'user_id' => $user_id,
            'balance' => (int) $result,
        ], 'message' => __('积分调整已保存', 'aksrt')]);
    }

    public function rest_get_credits_log(\WP_REST_Request $request): \WP_REST_Response {
        $args = [
            'user_id'   => (int) $request->get_param('user_id'),
            'reason'    => (string) $request->get_param('reason'),
            'page'      => (int) $request->get_param('page'),
            'per_page'  => (int) $request->get_param('per_page'),
            'date_from' => (string) $request->get_param('date_from'),
            'date_to'   => (string) $request->get_param('date_to'),
        ];
        $data = class_exists('\AKSRT\Credits\Credits') ? \AKSRT\Credits\Credits::get_log($args) : ['items' => [], 'total' => 0, 'page' => 1, 'per_page' => 20];
        return $this->success(['data' => $data]);
    }
}