<?php

namespace app\api\job;

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

/**
 * 专家抓取队列任务。
 * 注意：此任务推送到队列名 "FetchExperts"，必须单独启动 worker 才会执行：
 *   php think queue:work --queue FetchExperts --sleep=3 --tries=3 --daemon
 *
 * 单条任务可能耗时较长（NCBI 接口翻页 + 写库），常驻 worker 受 wait_timeout 影响，
 * 由 QueueJob 在进程超过 6h 或致命 DB 错误时主动 exit(1) 让 supervisor 拉起新进程。
 */
class FetchExperts
{
    private $oQueueJob;

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

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

        $field = isset($data['field']) ? (string)$data['field'] : '';
        if ($field === '') {
            $this->oQueueJob->log("FetchExperts 无效的 field，删除任务");
            $job->delete();
            return;
        }

        try {
            $service = new ExpertFinderService();
            $service->doFetchForField(
                $field,
                isset($data['source'])   ? $data['source']        : 'pubmed',
                isset($data['per_page']) ? intval($data['per_page']) : 100,
                isset($data['min_year']) ? $data['min_year']      : null
            );
            $this->oQueueJob->log("FetchExperts 完成 | field={$field}");
            $job->delete();
        } catch (\Exception $e) {
            $this->oQueueJob->handleException($e, $job, "field={$field}");
        } catch (\Throwable $e) {
            $this->oQueueJob->handleException($e, $job, "field={$field}");
        } finally {
            $this->oQueueJob->finnal();
        }
    }
}