<?php

include_once "../vendor/autoload.php";

// 这里试试不用多进程模式，用多协程模式



class SendJob {

    public $cnum = 0;

    /**
     * 是否停止
     * @return bool
     * @author：dc
     * @time 2024/4/10 9:12
     */
    private function isStop(){
        return redis()->get('send_job_is_stop') == 'stop';
    }

    /**
     * 休眠
     * @param float $sleep
     * @return bool
     * @author：dc
     * @time 2024/4/10 9:12
     */
    private function s_sleep(float $sleep):bool {
        if($sleep > 0){
            $t = microtime(1);

            while (!$this->isStop()){
                co::sleep(0.1);
                if($sleep - (microtime(1)-$t) <= 0){
                    break;
                }
            }
        }
        return true;
    }


    public function start(){
        _echo('启动邮件群发任务 '.getmypid());
        // 删除key
        redis()->delete('send_job_is_stop');


        while (1){
            // 是否要停止
            if($this->isStop()){
                break;
            }

            $lists  =   db()->all(\Model\sendJobsSql::sendList(500));
            $lists = $lists?$lists:[];

            if($lists){
                foreach ($lists as $list){
                    $this->go_($list);
                }
            }else{
                // 休眠30秒
                $this->s_sleep(30);
            }
        }


        // 这个是等待所有协程退出
        while (true){
            _echo('等待协程退出...');
            if(!$this->cnum){
                break;
            }
            co::sleep(1);
        }

    }


    /**
     * @param $list
     * @throws \Lib\Err
     * @throws \PHPMailer\PHPMailer\Exception
     * @author：dc
     * @time 2024/4/10 9:25
     */
    public function go_($list){
        // 占用 id
        if(redis()->add('send_job_run_id_'.$list['id'],$list['id'],600)){
            go(function ($data) {
                _echo('正在执行任务 '.$data['id']);
                $this->cnum++; // 协程数+1
                // 表单数据
                $data['maildata'] = json_decode($data['maildata'],true);
                // 查询邮箱
                $email = db()->first(\Model\emailSql::first($data['email_id']));
                // 更新状态
                \Model\sendJobsSql::upStatus($data['id'],1,db());
                // 是否是单发送
                if($data['maildata']['massSuit']??0){
                    $tos    =   $data['maildata']['tos'];
                    foreach ($tos as $to){
                        _echo('正在执行任务 发送邮件 '.$to['email']);
                        // 续时间
                        redis()->set('send_job_run_id_'.$data['id'],$data['id'],600);

                        // 是否暂停
                        $dst = db()->first(\Model\sendJobsSql::isStatus($data['id']));
                        if($dst && $dst['status'] === 3){
                            break;
                        }

                        // 是否已发送过了
                        if(db()->count(\Model\sendJobStatusSql::count($data['id'],$to['email']))){
                            continue;
                        }

                        // 每个收件人单独发送
                        $data['maildata']['tos'] = [$to];
                        //替换邮件内容中的指定字段为客户名字
                        $data['maildata']['body'] = str_replace('{customer_name}', $to['name'], $data['maildata']['body']);
                        $result = \Lib\Mail\MailFun::sendEmail($data['maildata'],$email);

                        // 插入紫薯精
                        db()->insert(\Model\sendJobStatusSql::$table,[
                            'job_id'  =>  $data['id'],
                            'to_email'  =>  $to['email'],
                            'status'    =>  $result[0] ? 1 : 0,
                            'error'    =>  $result[0] ? $result[1] : ''
                        ]);


                        // 时间距离下次的时间
                        if($data['maildata']['masssuit_interval_send']??[]){
                            $time = rand($data['maildata']['masssuit_interval_send']['start'],$data['maildata']['masssuit_interval_send']['end']);
                            if($time){
                                $block = false;
                                while (true){
                                    // 没5秒循环一次
                                    if($this->isStop()){
                                        $block = true;
                                        break;
                                    }
                                    $time-=5;
                                    $this->s_sleep(5);
                                    // 执行下一次了
                                    if (!$time){
                                        $block = true;
                                        break;
                                    }
                                }

                                if($block){
                                    break;
                                }
                            }
                        }

                    }

                }
                else{
                    $result = \Lib\Mail\MailFun::sendEmail($data['maildata'],$email);
                    // 更新状态
                    db()->update(\Model\sendJobsSql::$table,[
                        'status'    =>  2,
                        'success'   =>  $result[0] ? $data['total'] : 0,
                        'error'   =>  $result[0] ? 0 : $data['total'],
                    ],dbWhere(['id'=>$data['id']]));
                    // 插入紫薯精
                    db()->insert(\Model\sendJobStatusSql::$table,[
                        'job_id'  =>  $data['id'],
                        'to_email'  =>  'all',
                        'status'    =>  $result[0] ? 1 : 0,
                        'error'    =>  $result[0] ? $result[1] : ''
                    ]);
                }

                // 协程结束后
                co::defer(function ($id) use($data){
                    $this->cnum--;
                    // 验证是否完成
                    if($data['maildata']['massSuit']??0){
                        $total = db()->first(\Model\sendJobStatusSql::countSum($data['id']));
                        if($total){
                            // 更新状态
                            db()->update(\Model\sendJobsSql::$table,[
                                'status'    =>  $total['t'] == $data['total'] ? 2 : 0,
                                'success'   =>  $total['s'],
                                'error'   =>  $total['e'],
                            ],dbWhere(['id'=>$data['id']]));
                        }

                    }

                    // 写入日志
                    \Lib\Log::getInstance()->write();

                    // 结束后要关闭数据库链接，不然链接一直暂用
                    db()->close();
                    // 删除占用
                    redis()->delete('send_job_run_id_'.$data['id']);

                    redis()->close();

                    _echo('执行任务完成'.$data['id']);

                });

            },$list);
        }

    }

}


$ps = "ps -ef | grep \"send_job.php start\" | grep -v grep | wc -l";

switch ($argv[1]??0){
    case 'start':{

        // 开启协程
        \Co\run(function (){

            $handler = function ($signal){
                // 可以处理其他程序
                redis()->set('send_job_is_stop','stop');

                _echo('收到退出信号 '.$signal);
            };

            \Swoole\Process::signal(SIGTERM,$handler);
            \Swoole\Process::signal(SIGINT,$handler);

            (new SendJob)->start();

            _echo('进程已退出');

        });

        break;
    }
    case 'stop':{
        \Co\run(function ($ps){
            echo "正在退出程序...\n非必要请不要强制kill掉进程\n";

            redis()->set('send_job_is_stop','stop');

            while (true){

                $num = exec($ps);
                if(!$num){
                    break;
                }
                co::sleep(0.2);
            }
            echo "已退出程序\n";
        },$ps);

        break;
    }
    default:{
        break;
    }
}