<?php

header("Access-Control-Allow-Origin: *");
require 'vendor/autoload.php';

use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use Ratchet\Server\IoServer;
use Ratchet\Http\HttpServer;
use Ratchet\WebSocket\WsServer;

// 自定义 WebSocket 处理类
class MyWebSocketHandler implements MessageComponentInterface {
    protected $clients;

    public function __construct() {
        $this->clients = new \SplObjectStorage();
    }

    // 当新客户端连接时触发
    public function onOpen(ConnectionInterface $conn) {
        $this->clients->attach($conn);
        echo "新客户端连接: {$conn->resourceId}\n";
    }

    // 收到客户端消息时触发
    public function onMessage(ConnectionInterface $from, $msg) {
        echo "收到消息: $msg\n";
        
        //将消息发送给所有用户
        foreach ($this->clients as $client) {
            $client->send($msg);
        }
        
        // 原样回复客户端
        //$from->send("服务器回复: $msg");

        // 收到 "exit" 时关闭连接
        if ($msg === 'exit') {
            $from->close();
        }
    }

    // 当客户端断开时触发
    public function onClose(ConnectionInterface $conn) {
        $this->clients->detach($conn);
        echo "客户端断开: {$conn->resourceId}\n";
    }

    // 错误处理
    public function onError(ConnectionInterface $conn, \Exception $e) {
        echo "错误: {$e->getMessage()}\n";
        $conn->close();
    }
    
    //公共方法
    public function curlPost($url,$data){
        // 初始化 cURL  
        $ch = curl_init();  
        // 设置 cURL 选项  
        curl_setopt($ch, CURLOPT_URL, $url); // 设置 URL  
        curl_setopt($ch, CURLOPT_POST, true); // 设置为 POST 请求  
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data); // 设置 POST 数据  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // 将返回结果保存到变量而不是直接输出
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true);
        // 执行请求并获取响应  
        $response = curl_exec($ch);  
        // 检查是否有错误发生  
        if(curl_errno($ch)){
            echo 'cURL 错误: ' . curl_error($ch);  
        }  
        // 关闭 cURL 资源并释放内存  
        curl_close($ch);  
        // 处理响应数据（如果需要）  
        return  $response;
    }
    
    //将对象转为数组
    public function stdClassObjToArray($array) {
        if(is_object($array)) {
            $array = (array)$array;
        }
        if(is_array($array)) {
            foreach($array as $key=>$value) {
                $array[$key] = $this->stdClassObjToArray($value);
            }
        }
        return $array;
    }
}

// 创建 WebSocket 服务器（监听 8033 端口）
$server = IoServer::factory(
    new HttpServer(new WsServer(new MyWebSocketHandler())),
    8023,
    '0.0.0.0' // 明确指定监听所有接口
);

echo "WebSocket 服务器已启动 (端口 8023)...\n";
$server->run();