<?php
namespace app\api\job;

use think\queue\Job;
use app\common\QueueJob;
use app\common\QueueRedis;
use app\api\controller\Aiarticle;
class ArticleAiCreateContent
{
    private $logPath;
    private $oQueueJob;
    private $QueueRedis;
    private $maxRetries = 2;
    private $logBuffer = [];
    private $lastLogTime = 0;
    private $logMaxSize = 1048576; // 1MB (1*1024*1024) - 修正注释与值匹配
    private $lockExpire = 1800;
    private $completedExprie = 3600;
    const JSON_OPTIONS = JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR;

    public function __construct()
    {
        $this->logPath = ROOT_PATH . 'public/queue_log/ArticleAiCreateContent_' . date('Ymd') . '.log';
        $this->oQueueJob = new QueueJob;
        $this->QueueRedis = QueueRedis::getInstance();
        $this->lastLogTime = time();
        // 确保日志目录存在
        $this->oQueueJob->ensureLogDirExists($this->logPath);
    }

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

        // 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);
            $this->oQueueJob->flushLog();
            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);
                }
            }
            $this->oQueueJob->flushLog();
            return;
        }

        $aParam = [
            'job_id'      => $sRedisKey,
            'job_class'   => $sClassName,
            'status'      => 0,
            'create_time' => time(),
            'params'      => json_encode($data, self::JSON_OPTIONS)
        ];
        
        $iLogId = $this->oQueueJob->addLog($aParam);
        if (!$iLogId) {
            $this->oQueueJob->log("日志创建失败，释放锁并删除任务:".json_encode($data, self::JSON_OPTIONS));
            $this->QueueRedis->releaseRedisLock($sRedisKey, $sRedisValue);
            $job->delete();
            $this->oQueueJob->flushLog();
            return;
        }

        try {
            
            //生成内容
            $oAiarticle = new Aiarticle;
            $aResult = json_decode($oAiarticle->create($data),true);
            $sMsg = empty($aResult['msg']) ? '内容生成失败' : $aResult['msg'];
            $this->oQueueJob->updateLog([
                'log_id'     => $iLogId,
                'status'     => 1,
                'update_time' => time(),
                'error'      => $sMsg
            ]);
            
            $this->QueueRedis->finishJob($sRedisKey, 'completed', $this->completedExprie);
            $job->delete();
            $this->oQueueJob->log("任务执行成功 | 日志ID: {$iLogId} | 执行日志:{$sMsg}");

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