<?php

namespace app\master\service;

use think\Db;

/**
 * 推送日志读写
 */
class DbPushLogger
{
    const STATUS_PENDING = 0; // 待推送 / 排队中
    const STATUS_SUCCESS = 1;
    const STATUS_FAIL    = 2;

    protected $obj;

    public function __construct()
    {
        $this->obj = Db::name('db_push_log');
    }

    /**
     * 创建一条待推送日志，返回 log_id
     */
    public function create($journalId, $stageId, $channelKey, $channelName, $operator = '', $articleId = 0)
    {
        $now = time();
        try {
            return $this->obj->insertGetId([
                'journal_id'       => (int) $journalId,
                'journal_stage_id' => (int) $stageId,
                'article_id'       => (int) $articleId,
                'channel'          => $channelKey,
                'channel_name'     => $channelName,
                'status'           => self::STATUS_PENDING,
                'attempt'          => 0,
                'message'          => '',
                'operator'         => $operator,
                'ctime'            => $now,
                'utime'            => $now,
            ]);
        } catch (\Throwable $e) {
            // 日志表尚未创建时，不影响推送本身
            return 0;
        }
    }

    /**
     * 标记结果
     */
    public function finish($logId, $ok, $message = '')
    {
        if (empty($logId)) {
            return;
        }
        try {
            $this->obj->where('log_id', $logId)->update([
                'status'  => $ok ? self::STATUS_SUCCESS : self::STATUS_FAIL,
                'message' => mb_substr((string) $message, 0, 2000),
                'utime'   => time(),
            ]);
            $this->obj->where('log_id', $logId)->setInc('attempt');
        } catch (\Throwable $e) {
            // ignore
        }
    }

    public function find($logId)
    {
        try {
            return $this->obj->where('log_id', $logId)->find();
        } catch (\Throwable $e) {
            return null;
        }
    }

    /**
     * 某一期的推送情况
     */
    public function stageStatus($stageId)
    {
        try {
            return $this->obj->where('journal_stage_id', $stageId)->order('log_id desc')->select();
        } catch (\Throwable $e) {
            return [];
        }
    }
}