<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
/**
 * GatewayWorker Events 增强版
 * 功能：登录认证 / 单群聊转发 / 心跳 / 离线消息 / 消息持久化 / ACK / 状态(输入/已读/撤回) / 关系消息
 * 依赖：GatewayWorker 3.0+
 */
namespace addon\wxchat\worker;

use addon\wxchat\worker\enum\MsgFrame;
use GatewayWorker\Lib\Gateway;

/**
 * ChatEvent 类
 *
 * @author ywxapp <admin@ywxapp.cn>
 */
class ChatEvent
{
    /**
     * 当 GatewayWorker 业务进程启动时触发（初始化 ThinkPHP 容器）
     */
    public static function onWorkerStart($businessWorker)
    {
        self::initApp();
    }

    /**
     * 当客户端连接时触发
     */
    public static function onConnect($client_id)
    {
        echo "client connected: $client_id\n";
    }

    /**
     * 当客户端发来消息时触发
     */
    public static function onMessage($client_id, $msgJson)
    {
        self::initApp();
        echo "Received message: [$client_id]  $msgJson \n";

        $message = Message::fromJson($msgJson);
        $header  = $message->header;
        $payload = $message->payload;

        // 顶层帧类型路由（MsgFrame）
        switch ($header->type) {
            case MsgFrame::PING->value:
            case MsgFrame::PONG->value:
                handle\Heartbeat::handle($client_id, $header, $payload);
                break;
            case MsgFrame::CHAT->value:
                handle\ChatHandle::handle($client_id, $header, $payload);
                break;
            case MsgFrame::SYSTEM->value:
                handle\SystemHandle::handle($client_id, $header, $payload);
                break;
            case MsgFrame::RELATION->value:
                handle\RelationHandle::handle($client_id, $header, $payload);
                break;
            case MsgFrame::STATUS->value:
                handle\StatusHandle::handle($client_id, $header, $payload);
                break;
            default:
                MsgReply::sendError($client_id, '不支持的消息协议: ' . ($header->type ?? ''));
                break;
        }
    }

    /**
     * 当用户断开连接时触发：更新在线状态
     */
    public static function onClose($client_id)
    {
        echo "onClose:> [$client_id]  \n";
        $uid = Gateway::getUidByClientId($client_id);
        if ($uid) {
            try {
                self::initApp();
                \ywxapp\model\MemberProfile::where('uid', $uid)
                    ->update(['online_status' => 0, 'last_active_at' => time()]);
            } catch (\Throwable $e) {
                echo "onClose update failed: " . $e->getMessage() . "\n";
            }
        }
    }

    /**
     * 初始化 ThinkPHP 应用（供模型 / Db 门面使用）
     */
    public static function initApp()
    {
        static $app = null;
        if ($app === null) {
            $app = new \think\App();
            $app->initialize();
        }
        return $app;
    }
}