<?php

/**
 * 进程池多消费者，多队列消费rabbitMQ队列
 */
namespace console\controllers;

use common\enums\RabbitMqEnum;
use console\controllers\swoole_server\BaseSwooleServer;
use Exception;
use PhpAmqpLib\Exchange\AMQPExchangeType;
use ReflectionMethod;
use Swoole\Process\Pool;
use Yii;
/**
 * rabbitMQ队列消费者进程池
 * @Author bing
 * @DateTime 2021-10-21 10:30:19
 * @copyright: Copyright (c) 2020 广东七件事集团
 */
class SwooleConsumeController extends BaseSwooleServer
{
    public $worker_num;
    
    public $consume_setting = [
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK,
            'queue_name' =>  RabbitMqEnum::TASK_QUEUE,
            'worker_num' => 1,
            'exchange_type' => AMQPExchangeType::DIRECT,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_ORDER,
            'queue_name' => RabbitMqEnum::ORDER_QUEUE,
            'worker_num' => 1,
            'exchange_type' => AMQPExchangeType::DIRECT,
        ],      
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_USER_WALLET,
            'queue_name' => RabbitMqEnum::USER_WALLET_QUEUE,
            'worker_num' => 1,
            'exchange_type' => AMQPExchangeType::DIRECT
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_CHANGE_RELATIONSHIP,
            'queue_name' => RabbitMqEnum::CHANGE_RELATIONSHIP_QUEUE,
            'worker_num' => 1,
            'exchange_type' => AMQPExchangeType::DIRECT
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_DELAY_RETRY,
            'queue_name' => RabbitMqEnum::DELAY_RETRY_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_GROUP_BUY,
            'queue_name' => RabbitMqEnum::GROUP_BUY_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_CENSUS,
            'queue_name' => RabbitMqEnum::CENSUS_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_LUCKY_GROUP,
            'queue_name' => RabbitMqEnum::LUCKY_GROUP_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_DELAY,
            'queue_name' => RabbitMqEnum::DELAY_HANDLE_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_STATISTICS,
            'queue_name' => RabbitMqEnum::STATISTICS_QUEUE,
            'worker_num' => 1,
        ],
        [
            'exchange' => RabbitMqEnum::EXCHANGE_TASK_IMPORT_USER,
            'queue_name' => RabbitMqEnum::IMPORT_USER,
            'worker_num' => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_CHAIN,
            'queue_name'    => RabbitMqEnum::CHAIN_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_UPLOAD,
            'queue_name'    => RabbitMqEnum::UPLOAD_QUEUE,
            'worker_num'    => 2,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_CAKE,
            'queue_name'    => RabbitMqEnum::CAKE_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_CAKE_ORDER,
            'queue_name'    => RabbitMqEnum::CAKE_ORDER_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_LONG_DURATION,
            'queue_name'    => RabbitMqEnum::LONG_DURATION_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_QSC_ORDER,
            'queue_name'    => RabbitMqEnum::QSC_ORDER_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_QSC,
            'queue_name'    => RabbitMqEnum::QSC_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_CARD_COUPONS,
            'queue_name'    => RabbitMqEnum::CARD_COUPONS_QUEUE,
            'worker_num'    => 1,
        ],
        [
            'exchange'      => RabbitMqEnum::EXCHANGE_LONG_ORDER,
            'queue_name'    => RabbitMqEnum::LONG_ORDER_QUEUE,
            'worker_num'    => 2,
        ],
    ];
    // 进程与消费者的对应关系
    public $worker_queue_relate = [];
    public function init(){
        $worker_num_arr = array_column($this->consume_setting,'worker_num');
        $this->worker_num = array_sum($worker_num_arr);
        $worker_id = 0;
        foreach($this->consume_setting as $key=>$queue_info){
            $wait_assign_worker_num = $queue_info['worker_num'];
            while($wait_assign_worker_num > 0){
                $this->worker_queue_relate[$worker_id] = $key;
                $worker_id ++;
                $wait_assign_worker_num --;
            }
        }
    }

    /**
     * 启动消费者
     * @Author bing
     * @DateTime 2021-10-20 16:23:03
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function actionRun(){
        // 计数器，当进程反复退出重启时，可能代码有致命错误，需要处理
        // $atomic = new Atomic();
        $pool = new Pool($this->worker_num);
        //绑定一个事件
        $pool->on("WorkerStart", function ($pool, $worker_id) {
            echo 'worker_id:'.$worker_id.PHP_EOL;
            $queue_key = $this->worker_queue_relate[$worker_id];
            $queue_info = $this->consume_setting[$queue_key];
            //设置进程名称
            swoole_set_process_name('swoole : rabbitmq_process '.$queue_info['queue_name'].'_'.$worker_id);
            $process = $pool->getProcess($worker_id);
            try {
                Yii::$app->services->rabbitMq->listen($queue_info['exchange'], $queue_info['queue_name'], function ($message) {
                    $res = $this->handleMessage($message);
                    Yii::getLogger()->flush(true);
                    return $res;
                });
            } catch (Exception $e) {
                Yii::getLogger()->flush(true);
                echo 'exception:' . $e->getMessage().$e->getFile().':'.$e->getLine().PHP_EOL;
            }
        });

        //子进程关闭
        $pool->on("WorkerStop", function ($pool, $workerId) {
            echo "Worker#{$workerId} is stopped\n";
        });
        $pool->start();
    }

    /**
     * 消息处理
     * @param AMQPMessage $message
     * @throws
     * @return bool
     */
    private function handleMessage($message)
    {
        $date = date('Y-m-d H:i:s');
        $routing_key = $message->getRoutingKey();
        $flush = '['.$date.']'.'队列（' . $routing_key . '）接收到消息,其内容为：' . $message->getBody();

        $message_body = json_decode($message->getBody(), true);

        $class = $message_body['handler_class'];
        $method = $message_body['method'];
        $data = $message_body['data'];
        $data['message_id'] = $message->get('message_id');
        if (!method_exists($class, $method)) {
            //方法不存在，忽略
            Yii::error('actionTaskConsume: class' . $class . ' ,method:' . $method . ' ,not exist');
            return false;
        }

        $reflect_method = new ReflectionMethod($class, $method);
        Yii::$app->db->close();
        Yii::$app->redis->close();
        $time1 = time();
        if ($reflect_method->isStatic()) {
            $res = $class::$method($data);
            if ($res === false) Yii::error($class::$static_error ?? '未定义错误');
            //if($res === false) throw new Exception($class::$static_error ?? '未定义错误');
        } else {
            $obj = new $class();
            $res = $obj->$method($data);
            if ($res === false) Yii::error($obj->error ?? '未定义错误');
            //if($res === false) throw new Exception($obj->error ?? '未定义错误');
        }
        $time2 = time();
        $total_time = $time2 - $time1;
        if ($total_time > 1) $flush .= ',队列耗时：' .$total_time . '秒';
        echo $flush . PHP_EOL . PHP_EOL;
        return $res;
    }

    /**
     * 重启消费者
     * @Author bing
     * @DateTime 2021-10-20 16:23:03
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function actionRestartConsume(){
        
    }
}