<?php

//error_reporting();

use Swoole\Process;



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


function start(){

// 删除停止运行的值
    redis()->delete(SYNC_RUNNING_REDIS_KEY,'email_sync_stop_num');

    // 进程管理器
    $pm = new Process\Manager();

    // 启动业务进程
    $pm->addBatch(WORKER_NUM,function (Process\Pool $pool, int $worker_id){
        _echo("业务进程({$worker_id})启动成功");

        // 循环阻塞
        while (true){
            swoole_set_process_name('php-email-sync-list-'.$worker_id);
            // 需要同步的id
            $id = redis()->lPop('sync_email_lists');

            if(!$id || !is_numeric($id)){
                co::sleep(1);
            }
            else{
                // 占用当前的id,占用2小时
                if(redis()->add('just_sync_'.$id,time(),600)){
                    // 启动一个协程
                    go(function () use ($id){

                        // 开始同步
                        try {
                            sync($id);
                        }catch (\Throwable $e){
                            logs(
                                $e->getMessage().PHP_EOL.$e->getTraceAsString(),
                                LOG_PATH.'/sync/'.$id.'.log'
                            );
                        }

                        // 协程完成后执行的函数
                        co::defer(function () use ($id){
                            // 消除占用
                            redis()->delete('just_sync_'.$id);
                            // 写入日志
                            \Lib\Log::getInstance()->write();
                        });

                    });
                }
            }
        }

    },true);

    // 启动一个同步内容的进程
    $pm->add(function (Process\Pool $pool, int $worker_id){
        _echo("业务进程({$worker_id})启动成功,body");
        swoole_set_process_name('php-email-sync-body-'.$worker_id);
        // 循环阻塞
        while (true){
            // 需要同步的id
            $id = redis()->lPop('sync_email_body');

            if(!$id){
                co::sleep(1);
            }else{
                // 占用当前的id,占用2小时
                if(redis()->add('just_sync_body_'.$id['lists_id'],time(),600)){
                    // 启动一个协程
                    go(function () use ($id){

                        // 开始同步
                        try {
                            sync_body($id);
                        }catch (\Throwable $e){
//                            _echo($e->getMessage());
                            logs(
                                $e->getMessage().PHP_EOL.$e->getTraceAsString(),
                                LOG_PATH.'/'.$id['lists_id'].'.log'
                            );
                        }

                        // 协程完成后执行的函数
                        co::defer(function () use ($id){
//                        _echo('正常关闭进程('.$worker_id.')下的协程('.co::getCid().')');
                            // 消除占用
                            redis()->delete('just_sync_body_'.$id['lists_id']);
                            // 写入日志
                            \Lib\Log::getInstance()->write();

                        });

                    });
                }
            }

        }

    },true);

    // 启动管理器
    $pm->start();

}

/**
 * 同步内容 body
 * @param $id
 * @param $worker_id
 * @return int
 * @author:dc
 * @time 2023/3/23 10:18
 */
function sync_body($id){

    // 是否有数据
    if(db()->count(\Model\bodySql::has((int) $id['lists_id']))){
        return 0;
    }

    $email = db()->first(\Model\emailSql::first($id['email_id']));
    if(!$email){
        return 0;
    }

    if($email['pwd_error']){
        return 1;
    }

    $mailServer = new Lib\Mail\Mail($email['email'],base64_decode($email['password']),$email['imap']);

    // 登录服务器
    if(!$mailServer->login()){
        return 2;
    }
//    $mailServer->client->debug(true,LOG_PATH.'/'.$id['email_id'].'body/');

    // 同步 body
    $mailServer->syncBody($id['folder'],$id['uid'],$id['lists_id'],db());

    $mailServer = null;

    return 0;

}


/**
 * 开始同步, 这里是主要的业务代码
 * @param $email_id
 * @param $worker_id
 * @return int
 * @author:dc
 * @time 2023/3/10 10:19
 */
function sync($email_id){

    $email = db()->first(\Model\emailSql::first($email_id));
    if(!$email){
        return 0;
    }

    if($email['pwd_error']){
        return 1;
    }

    $mailServer = new Lib\Mail\Mail($email['email'],base64_decode($email['password']),$email['imap']);

    // 登录服务器
    if($mailServer->login()!==1){
        return 2;
    }

//    $mailServer->client->debug(true,LOG_PATH.'/'.$email_id.'/');

    // 同步文件夹
    $mailServer->syncFolder($email_id);
    _echo('文件夹同步成功-'.$email_id);

    // 读取到邮箱中的文件夹
    $folders = db()->all(\Model\folderSql::all($email['id']));
    if(!$folders){
        return 3;
    }

    $call = function ($email_id,$folder_id,$origin_folder) use ($mailServer){
        // 同步父文件夹
        $result = $mailServer->syncMail($email_id,$folder_id,$origin_folder);
        _echo('同步文件夹('.$origin_folder.')邮件列表 '.(is_array($result)?count($result):'未同步'));
    };

//    $folders = list_to_tree($folders);
    foreach ($folders as $folder){
        try {


            if(empty($folder['_child'])){
                $call($email_id,$folder['id'],$folder['origin_folder']);
            }else{
                foreach ($folder['_child'] as $item){
                    // 同步子文件夹
                    $call($email_id,$item['id'],$item['origin_folder']);
                }
            }

        }catch (\Throwable $e){
            logs(
                $e->getMessage().$e->getTraceAsString(),
                LOG_PATH.'/imap/'.$email['email'].'.error.log'
            );
        }
    }


    $email = null;
    $mailServer = null;
}


if(!function_exists("imap_8bit")){
    echo '请安装imap扩展';
    exit(0);
}



start();