<?php
namespace app\api\job;

use think\queue\Job;
use app\common\QueueJob;
use app\common\QueueRedis;
use app\common\Reviewer;
class RecommendReviewer
{
    private $logPath;
    private $oQueueJob;
    private $QueueRedis;
    private $maxRetries = 2;
    private $lockExpire = 1800;
    private $completedExprie = 3600;
    const JSON_OPTIONS = JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR;

    public function __construct()
    {
        $this->oQueueJob = new QueueJob;
        $this->QueueRedis = QueueRedis::getInstance();
    }

    public function fire(Job $job, $data)
    {
        $startTime = microtime(true);
        $this->oQueueJob->log("-----------队列任务开始-----------");

        // 检查数据库连接
        if (!$this->oQueueJob->checkDbConnection(true)) {
            $this->oQueueJob->log("数据库连接失败，无法执行任务，10秒后重试");
            $job->release(10);
            return;
        }

        // 检查Redis连接状态
        if (!$this->QueueRedis->getConnectionStatus()) {
            $this->oQueueJob->log("Redis连接失败，10秒后重试");
            $job->release(10);
            return;
        }

        // 获取文章ID
        $iArticleId = empty($data['article_id']) ? 0 : $data['article_id'];
        if (empty($iArticleId)) {
            $this->oQueueJob->log("无效的article_id，删除任务");
            $job->delete();
            return;
        }

        $sClassName = get_class($this);
        $sRedisKey = "queue_job:{$sClassName}:{$iArticleId}";
        $sRedisValue = uniqid() . '_' . getmypid();
        $lockExpire = $this->lockExpire;

        $isLocked = $this->QueueRedis->startJob($sRedisKey, $sRedisValue, $lockExpire);
        if (!$isLocked) {
            $jobStatus = $this->QueueRedis->getJobStatus($sRedisKey);
            if (in_array($jobStatus, ['completed', 'failed'])) {
                $this->oQueueJob->log("任务已完成或失败，删除任务 | 状态: {$jobStatus}");
                $job->delete();
            } else {
                $attempts = $job->attempts();
                if ($attempts >= $this->maxRetries) {
                    $this->oQueueJob->log("超过最大重试次数，停止重试");
                    $job->delete();
                } else {
                    $lockTtl = $this->QueueRedis->getLockTtl($sRedisKey);
                    $delay = $lockTtl > 0 ? $lockTtl + 5 : 30;
                    $this->oQueueJob->log("锁竞争，{$delay}秒后重试({$attempts}/{$this->maxRetries})");
                    $job->release($delay);
                }
            }
            return;
        }

        try {
            
            // 执行核心任务前再次检查连接
            $result = $this->oQueueJob->checkDbConnection();
            if (!$result) {
                throw new \RuntimeException("数据库连接异常，无法执行核心任务");
            }
            //获取推荐审稿人信息
            $aParam = ['article_id' => $iArticleId,'page' => 1,'size' => empty($data['size']) ? 5 : $data['size']];
            $oReviewer = new Reviewer;
            $aResult = json_decode($oReviewer->recommend($aParam),true);
            $iStatus = empty($aResult['status']) ? 0 : $aResult['status']; 
            $sMsg = empty($aResult['msg']) ? '' : $aResult['msg'];
            //处理数据
            $iCount = empty($aResult['data']['total']) ? 0 : $aResult['data']['total'];//数量
            $iSize = empty($aResult['data']['size']) ? 0 : $aResult['data']['size'];//推荐数量
            //判断是否给期刊管理者发邮件【数据库的审稿数量小于推荐数量】
            if($iCount < $iSize){
                $aSendEmailResult = json_decode($oReviewer->emailForEditor($aParam),true);
                $sMsg .= ';';
                $sMsg .= empty($aSendEmailResult['msg']) ? '发送邮件入队成功' : $aSendEmailResult['msg'];
            }
            //推荐审稿人数据
            $aResult = empty($aResult['data']['lists']) ? [] : $aResult['data']['lists'];
            if(empty($aResult)){
                $sMsg .= ';';
                $sMsg .= 'No qualified reviewers were selected';
            }
            if(!empty($aResult)){
                $aParam = ['article_id' => $iArticleId,'reviewer_id' => array_column($aResult, 'reviewer_id')];
                $aResult = json_decode($oReviewer->add($aParam),true);
                $iStatus = empty($aResult['status']) ? 0 : $aResult['status'];
                $sMsg .= ';'; 
                $sMsg .= empty($aResult['msg']) ? 'Reviewer data insertion failed' : $aResult['msg'];
                //发送邀请审稿人审稿邮件
                if($iStatus == 1){
                    $aResult = json_decode($oReviewer->email($aParam),true);
                    $iStatus = empty($aResult['status']) ? 0 : $aResult['status']; 
                    $sMsg .= ';';
                    $sMsg .= empty($aResult['msg']) ? 'Reviewer data insertion failed' : $aResult['msg'];
                }
            }
            //更新完成标识
            $this->QueueRedis->finishJob($sRedisKey, 'completed', $this->completedExprie,$sRedisValue);
            $job->delete();
            $this->oQueueJob->log("任务执行成功 | 日志ID: {$sRedisKey} | 执行日志:{$sMsg}");

        } catch (\RuntimeException $e) {
            $this->oQueueJob->handleRetryableException($e,$sRedisKey,$sRedisValue,$job);
        } catch (\LogicException $e) {
            $this->oQueueJob->handleNonRetryableException($e,$sRedisKey,$sRedisValue,$job);
        } catch (\Exception $e) {
            $this->oQueueJob->handleRetryableException($e,$sRedisKey,$sRedisValue,$job);
        } finally {
            $executionTime = microtime(true) - $startTime;
            $this->oQueueJob->log("任务执行完成，耗时: " . number_format($executionTime, 4) . "秒");
            gc_collect_cycles();
        }
    }
}