<?php
namespace App;  // 添加命名空间
require __DIR__.'/../generated/vendor/autoload.php';
require_once __DIR__ . '/../vendor/autoload.php';
require_once './msg.php';

use App\WebSocketClient;
use Common_pack\EnterHall;
use Common_pack\ReqFriendList;
use Common_pack\ReqLogin;
use Common_pack\ResEnterHall;
use Common_pack\ResFriendList;
use Common_pack\ResHeartBeat;
use Common_pack\ResLogin;
use Exception;
use Google\Protobuf\Internal\Message;
use MsgID;

class GameClient {
    private ?WebSocketClient $client = null;
    private ?string $userId = null;
    private ?string $nikeName = null;
    private ?int $listenerPid = null;
    private bool $isRunning = false;
    public function start() {
        // $this->login();
    }

    public function close() {
        echo "命令调用了 close \n";
    }

    public function getFriends(){
        $userResponse = new ReqFriendList(); 
        $userResponse->setUserId($this->userId);
        $binaryData = $userResponse->serializeToString();
        $this->client->sendBinary(MsgID::REQFRIENDLIST, $binaryData);
        echo $this->userId;
        echo "已发送获取好友列表请求\n";
    }
    public function outGame(){
        echo "命令调用了 outGame \n";
    }

    public function login(string $account , string $password) {
        $loginReq = new ReqLogin();
        $loginReq->setAccount($account);
        $loginReq->setPassword($password);
        
        $binaryData = $loginReq->serializeToString();

        if (empty($binaryData)) {
            throw new Exception("序列化失败：返回空数据");
        }
        
        $options = [
            'http' => [
                'method' => 'POST',
                'header' => implode("\r\n", [
                    'Content-Type: application/x-protobuf',
                    'Accept: */*',
                    'Accept-Language: zh-CN,zh;q=0.9',
                    // 'Connection: keep-alive',
                    'Connection: close',
                    'Referer: http://localhost:7456/'
                ]),
                'content' => $binaryData,
                'timeout' => 10,
                'ignore_errors' => false
            ]
        ];
        
        try {
            echo "登陆请求时间：";
            echo date('Y-m-d H:i:s'); 
            echo "\n";
            $url = 'http://120.76.130.29:8080/ReqLogin'; 
            $context = stream_context_create($options);
            $response = file_get_contents($url, false, $context);
            
            if ($response === false) {
                throw new Exception("请求失败: " . error_get_last()['message']);
            }

            if (strpos($response, '404 page not found') !== false) {
                throw new Exception("API端点不存在(404)，请检查URL: " . $url);
            }
            echo "登陆响应时间：";
            echo date('Y-m-d H:i:s'); 
            echo "\n";
            $userResponse = new ResLogin(); 
            $userResponse->mergeFromString($response);
            
            if ($userResponse->getErrMsg() !== null) {
                throw new Exception("登录失败: " . $userResponse->getErrMsg()->getMessage());
            }

            echo "登录成功!\n";
            echo "用户ID: " . $userResponse->getUserId() . "\n";
            echo "昵称: " . $userResponse->getNikeName() . "\n";
            
            $this->userId = $userResponse->getUserId();
            $this->nikeName = $userResponse->getNikeName();

            $this->initWebSocketConnection();
            
            echo "是否成功获取信息: " .$userResponse->hasUserInfo() . "\n";
            if ($userResponse->hasUserInfo()) {
                $this->enterHall($userResponse->getUserInfo()->getUserId());
                $this->startListening();
            }
            
        } catch (Exception $e) {
            echo $e->getMessage() . "\n";
            exit(1);
        }
    }

    private function initWebSocketConnection() {
        // wss://leaf.ktle.top
        $this->client = new WebSocketClient('ws://localhost:3653');
        
        $this->client->on(MsgID::RESENTERHALL, function($binaryData) {
            $response = new ResEnterHall();
            $response->mergeFromString($binaryData);
            
            echo "成功进入大厅!\n";
        });

        $this->client->on(MsgID::RESHEARTBEAT, function($binaryData) {
            $response = new ResHeartBeat();
            $response->mergeFromString($binaryData);
            // echo "心跳：".$response->getMsg();
            // echo "\n";
        });

        $this->client->on(MsgID::RESFRIENDLIST, function($binaryData) {
            $response = new ResFriendList();
            $response->mergeFromString($binaryData);
            if($response->getSuccess()){
                var_dump($response->getList());
                echo "\n";
            }else{
                echo "获取好友列表失败";
                echo "\n";
            }
         
        });
    }

    private function startListening() {
        if (!$this->client) {
            throw new Exception("WebSocket连接未建立");
        }
        
        if ($this->listenerPid !== null) {
            return; // 已经启动监听
        }

        echo "开始监听WebSocket消息...\n";
        
        $pid = pcntl_fork();
        if ($pid == -1) {
            throw new Exception("无法创建子进程");
        } elseif ($pid == 0) {
            // 子进程：持续监听WebSocket
            $this->isRunning = true;
            $this->client->startListening();
            exit(0);
        } else {
            // 父进程记录子进程ID
            $this->listenerPid = $pid;
            $this->isRunning = true;
        }
    }

    public function isRunning(): bool {
        return $this->isRunning;
    }
    private function enterHall($userId) {
        if (!$this->client) {
            throw new Exception("WebSocket连接未建立");
        }

        $enterHall = new EnterHall();
        $enterHall->setUserId($userId);
        
        $binaryData = $enterHall->serializeToString();
        $this->client->sendBinary(MsgID::ENTERHALL, $binaryData);
        echo "已发送进入大厅请求\n";
    }
}

// 启动客户端
// $gameClient = new GameClient();
// $gameClient->start();