<?php

namespace Channel;

use Workerman\Connection\TcpConnection;

class Queue
{
    public $name = 'default';
    public $watcher = array();
    public $consumer = array();
    protected $queue = null;

    public function __construct($name)
    {
        $this->name = $name;
        $this->queue = new \SplQueue();
    }

    /**
     * @param TcpConnection $connection
     */
    public function addWatch($connection)
    {
        if (!isset($this->watcher[$connection->id])) {
            $this->watcher[$connection->id] = $connection;
            $connection->watchs[] = $this->name;
        }
    }

    /**
     * @param TcpConnection $connection
     */
    public function removeWatch($connection)
    {
        if (isset($connection->watchs) && in_array($this->name, $connection->watchs)) {
            $idx = array_search($this->name, $connection->watchs);
            unset($connection->watchs[$idx]);
        }
        if (isset($this->watcher[$connection->id])) {
            unset($this->watcher[$connection->id]);
        }
        if (isset($this->consumer[$connection->id])) {
            unset($this->consumer[$connection->id]);
        }
    }

    /**
     * @param TcpConnection $connection
     */
    public function addConsumer($connection)
    {
        if (isset($this->watcher[$connection->id]) && !isset($this->consumer[$connection->id])) {
            $this->consumer[$connection->id] = $connection;
        }
        $this->dispatch();
    }

    public function enqueue($data)
    {
        $this->queue->enqueue($data);
        $this->dispatch();
    }

    private function dispatch()
    {
        if ($this->queue->isEmpty() || count($this->consumer) == 0) {
            return;
        }

        while (!$this->queue->isEmpty()) {
            $data = $this->queue->dequeue();
            $idx = key($this->consumer);
            $connection = $this->consumer[$idx];
            unset($this->consumer[$idx]);
            $connection->send(serialize(array('type'=>'queue', 'channel'=>$this->name, 'data' => $data)));
            if (count($this->consumer) == 0) {
                break;
            }
        }
    }

    public function isEmpty()
    {
        return empty($this->watcher) && $this->queue->isEmpty();
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjI4NDc2MjgxOTA1NDEyNyA5OTc2ODQ4NTc0NTUwMjAgNTE2NzQyNDM4NTQyMTQzNA==