<?php

namespace backend\forms;

use components\Curl;
use components\Exception;
use Yii;

/**
 * Class QueueForm
 * @package backend\forms
 */
class QueueForm extends BaseForm
{
	/**
	 * @var string 名称
	 */
	public $name;

    	public $name1;

    	public $name2;

	public function rules()
	{
		return [
			//create_queue  delete_queue
			[['name'], 'required', 'message' => 1100, 'on' => ['create_queue', 'delete_queue']],
			[['name1','name2'], 'required', 'message' => 1100, 'on' => ['update_queue']],
			['name', 'string', 'message' => 1101, 'on' => ['create_queue', 'delete_queue']],
			['name', 'filter', 'filter' => 'trim', 'on' => ['create_queue', 'delete_queue']],
		];
	}

	/**
	 * [创建队列]
	 * @author: libingke
	 * @return array
	 * @throws Exception
	 */
	public function createQueue()
	{
		try {
			$connect = $this->getConnect();
			$channel = $connect->channel();
			list($queue,,) = $channel->queue_declare($this->name,
				false, true, false, false, false);

		} catch (\Exception $e) {
			throw new Exception(1001, $e->getMessage());
		}

		return $data = ['name' => $queue];
	}

	/**
	 * [删除队列]
	 * @author: libingke
	 * @return array
	 * @throws Exception
	 */
	public function deleteQueue()
	{
		try {
			$connect = $this->getConnect();
			$channel = $connect->channel();
			$channel->queue_delete($this->name,
				false, false, false, false
			);

			return [
				'name' => $this->name,
				'result' => '删除成功'
			];

		} catch (\Exception $e) {
			throw new Exception(1001, $e->getMessage());
		}
	}

	/**
	 * [获取消息列表]
	 * @author: libingke
	 */
	public function getQueueList()
	{
		$authStr = Yii::$app->Amqp->user . ':' . Yii::$app->Amqp->pass;
		$url = Yii::$app->Amqp->host . ':' . Yii::$app->Amqp->api_port . "/api/queues";

		$curl = new Curl();
		$curl->setOption(CURLOPT_USERPWD, $authStr);
		$result = json_decode($curl->get($url), true);
		if ($curl->responseCode != 200)
			throw new Exception(1002);

		if ($curl->errorText)
			throw new Exception(1002, $curl->errorText);

		if (isset($result['error']) && is_string($result['error']))
			throw new Exception(1002, $result['error']);

		$rows = [];
		foreach ($result as $k => $v) {
			//$name = $v['name'];
			$name = $v['name'];
			$rows[$name]['name'] 			= $name;
			$rows[$name]['messages_count']	= $v['messages'];
			$rows[$name]['message_bytes']	= $v['message_bytes'];
			$rows[$name]['messages_ready']	= $v['messages_ready'];
			//$rows[$name]['message_stats']	= $v['message_stats'];
			$rows[$name]['consumers_count']	= $v['consumers'];
			$rows[$name]['auto_delete']		= $v['auto_delete'];
			$rows[$name]['durable']			= $v['durable'];
			//$rows[$name]['arguments']		= $v['arguments'];
			$rows[$name]['state']			= $v['state'];
			$rows[$name]['idle_since']		= $v['idle_since'];
		}
		unset($result);

		return ['count' => count($rows), 'rows' => $rows];
	}

	/**
     	* [修改队列]
     	* @author: hanguangxu
     	* @return array
     	* @throws Exception
     	*/
    	public function updateQueue()
    	{
	try {
            	$connect = $this->getConnect();
            	$channel = $connect->channel();
            	$channel->queue_delete($this->name1,
                false, false, false, false
            );
            list($queue,,) = $channel->queue_declare($this->name2,
                false, true, false, false, false);

        } catch (\Exception $e) {
            throw new Exception(1001, $e->getMessage());
        }

        return $data = ['name' => $queue];
	}
}