<?php

namespace common\logic\Amqp;

use PhpAmqpLib\Message\AMQPMessage;

/**
 * 处理消息体逻辑
 * Class Message
 * @package common\logic\MQMessage
 * @author libingke
 */
class Message extends Connect
{
	private $_connect;

	private $_channel;

	private $_callback_queue;

	private $_result;

	private $_response;

	private $_corr_id;

	public function __construct($queueName)
	{
		$this->_connect = self::connect();

		$this->_channel = $this->_connect->channel();

		$this->_callback_queue = $queueName;
	}

	/**
	 * [发送信息]
	 * @author: libingke
	 * @param string $body 消息主体
	 * @param string $routing_key
	 * @return bool
	 */
	public function send($body, $routing_key)
	{
		$properties = [
			'content_type' => 'text/plain',
			'correlation_id' => uniqid(),
			'reply_to' => $this->_callback_queue
		];

		if (is_string($body)) {
			$msg = new AMQPMessage( (string) $body, $properties);
			$this->_channel->basic_publish($msg, '', $routing_key);
		}

		return true;
	}


	/**
	 * [批量发送信息]
	 * @author: libingke
	 * @param string $body 消息主体
	 * @param string $routing_key
	 * @return array 返回数据
	 */
	public function batchSend($body, $routing_key = '')
	{
	}

	/**
	 * [消费信息]
	 * @author: libingke
	 * @param string $queue 队列名称
	 * @param string $str
	 * @return bool
	 */
	public function receive($queue)
	{
		$callback = function($msg) {
			echo $msg->get('correlation_id');
			echo " [x] Received ", $msg->body, "\n";
			$msg->delivery_info['channel']->basic_ack($msg->delivery_info['delivery_tag']);
		};

		$this->_channel->basic_qos(null, 1, null);
		$this->_channel->basic_consume(
			$queue, '', false, false, false, false,
			$callback
		);

		/*while(count($this->_channel->callbacks)) {
			$this->_channel->wait();
		}*/

		return true;
	}

	/**
	 * [批量消费信息]
	 * @author: libingke
	 * @param string $queue 队列名称
	 * @param string $arr
	 * @return array 返回数据
	 */
	public function batchReceive($queue, $arr)
	{
	}

	/**
	 * [删除信息]
	 * @author: libingke
	 */
	public function delete($message)
	{

	}
}