<?php
// 直接启动WebSocket服务，不通过thinkphp容器
require __DIR__ . '/vendor/autoload.php';

use Workerman\Worker;
use PHPSocketIO\SocketIO;

// 全局数组保存uid在线数据
$uidConnectionMap = [];
// 模拟推送的数值
$push_value = rand(100, 1000);
// PHPSocketIO服务
$sender_io = new SocketIO(2120);

// 客户端发起连接事件
$sender_io->on('connection', function($socket) use (&$push_value){
    // 客户端连接时立即发送当前数值
    $socket->emit('push_value', ['value' => $push_value]);
    
    // 连接时自动推送最新的未回价数量
    try {
        // 使用PDO连接数据库查询最新数量
        $dsn = 'mysql:host=localhost;dbname=pgserver;charset=utf8';
        $pdo = new PDO($dsn, 'root', '');
        $stmt = $pdo->query('SELECT COUNT(*) as count FROM pg_inquiry WHERE return_price_status = 2');
        $result = $stmt->fetch(PDO::FETCH_ASSOC);
        $count = $result['count'] ?? 0;
        
        // 推送未回价数量
        $socket->emit('updateUnreturnedCount', ['count' => $count]);
        error_log("WebSocket连接时推送未回价数量: $count");
    } catch (Exception $e) {
        error_log("WebSocket连接时获取未回价数量失败: " . $e->getMessage());
    }
    
    $socket->on('login', function ($uid)use($socket){
        global $uidConnectionMap;
        if(isset($socket->uid)){
            return;
        }
        $uid = (string)$uid;
        if(!isset($uidConnectionMap[$uid])){
            $uidConnectionMap[$uid] = 0;
        }
        ++$uidConnectionMap[$uid];
        $socket->join($uid);
        $socket->uid = $uid;
    });

    $socket->on('disconnect', function () use($socket) {
        if(!isset($socket->uid)){
            return;
        }
        global $uidConnectionMap;
        if(--$uidConnectionMap[$socket->uid] <= 0){
            unset($uidConnectionMap[$socket->uid]);
        }
    });
});

// 监听http端口用于推送和更新数值
$sender_io->on('workerStart', function()use ($sender_io){
    $inner_http_worker = new Worker('http://0.0.0.0:2121');
    $inner_http_worker->onMessage = function($http_connection, $request_data)use ($sender_io){
        global $uidConnectionMap, $push_value;
        
        // 添加跨域头
        $http_connection->header('Access-Control-Allow-Origin: *');
        $http_connection->header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
        $http_connection->header('Access-Control-Allow-Headers: Content-Type');
        
        // 处理OPTIONS预检请求
        if(isset($request_data['server']['REQUEST_METHOD']) && $request_data['server']['REQUEST_METHOD'] === 'OPTIONS'){
            return $http_connection->send('ok');
        }
        
        // Workerman HTTP Worker 的 $request_data 是一个数组
        // 包含 get, post, cookie, server 等键
        $msgContent = array();
        
        // 解析 GET 参数
        if(isset($request_data['get']) && is_array($request_data['get'])){
            $msgContent = array_merge($msgContent, $request_data['get']);
        }
        
        // 解析 POST 参数
        if(isset($request_data['post']) && is_array($request_data['post'])){
            $msgContent = array_merge($msgContent, $request_data['post']);
        }
        
        // 调试：输出所有信息
        $logData = array(
            'msgContent' => $msgContent,
            'get' => $request_data['get'] ?? [],
            'post' => $request_data['post'] ?? []
        );
        error_log("WebSocket HTTP Request: " . json_encode($logData));
        
        // 更新数值并推送给所有客户端
        if(isset($msgContent['type']) && $msgContent['type'] == 'update_value'){
            $push_value = isset($msgContent['value']) ? intval($msgContent['value']) : rand(100, 1000);
            $sender_io->emit('push_value', ['value' => $push_value]);
            return $http_connection->send('ok');
        }
        
        // 广播事件给所有客户端（通用推送）
        if(isset($msgContent['type']) && $msgContent['type'] == 'broadcast'){
            $event = isset($msgContent['event']) ? $msgContent['event'] : '';
            $eventData = isset($msgContent['data']) ? $msgContent['data'] : '';
            
            error_log("Broadcast check - event: '$event', data: '$eventData'");
            
            if(!empty($event)){
                if(is_string($eventData)){
                    $decoded = json_decode($eventData, true);
                    $eventData = $decoded !== null ? $decoded : $eventData;
                }
                $sender_io->emit($event, $eventData);
                error_log("Broadcast sent - event: $event, data: " . print_r($eventData, true));
                return $http_connection->send('ok');
            }
        }
        
        // 推送消息给指定用户或所有用户
        if(isset($msgContent['type']) && $msgContent['type'] == 'publish'){
            $to = isset($msgContent['to']) ? $msgContent['to'] : '';
            $content = isset($msgContent['content']) ? $msgContent['content'] : '';
            if($to){
                $sender_io->to($to)->emit('newMsg', $content);
            }else{
                $sender_io->emit('newMsg', $content);
            }
            if($to && !isset($uidConnectionMap[$to])){
                return $http_connection->send('offline');
            }else{
                return $http_connection->send('ok');
            }
        }
        return $http_connection->send('fail');
    };
    $inner_http_worker->listen();
});

Worker::runAll();