<?php

namespace app\api\job;

use think\queue\Job;
use app\common\PromotionService;
use app\common\QueueJob;

/**
 * 队列任务：task 级别的 prepare 调度器。
 *
 * 职责：遍历 task 下待准备的 promotion_email_log，
 *       将每封邮件拆成一条 PromotionPrepareEmail 推到 promotion_email 队列，
 *       以便并行调用 LLM 生成个性化描述。
 *
 * 队列名：PromotionPrepareTask
 */
class PromotionPrepareTask
{
    private $oQueueJob;

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

    public function fire(Job $job, $data)
    {
        $this->oQueueJob->init($job);

        $taskId = isset($data['task_id']) ? intval($data['task_id']) : 0;
        if ($taskId <= 0) {
            $this->oQueueJob->log("PromotionPrepareTask 无效的 task_id，删除任务");
            $job->delete();
            return;
        }

        try {
            $service = new PromotionService();
            $result  = $service->dispatchPrepareEmails($taskId);

            $dispatched = isset($result['dispatched'])   ? $result['dispatched']   : 0;
            $alreadyDone = isset($result['already_done']) ? $result['already_done'] : 0;
            $err        = isset($result['error'])        ? $result['error']        : '';
            $this->oQueueJob->log("PromotionPrepareTask 完成 | task_id={$taskId} dispatched={$dispatched} already_done={$alreadyDone} error={$err}");

            $job->delete();
        } catch (\Exception $e) {
            $this->oQueueJob->handleException($e, $job, "task_id={$taskId}");
        } catch (\Throwable $e) {
            $this->oQueueJob->handleException($e, $job, "task_id={$taskId}");
        } finally {
            $this->oQueueJob->finnal();
        }
    }
}