<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace addon\wxchat\model;

use think\Model;


class WxchatUnreadCount extends Model
{
    protected $name = 'wxchat_unread_counts';

    protected $autoWriteTimestamp = 'int';
    protected $createTime         = 'create_at';
    protected $updateTime         = 'update_at';

    /**
     * 增加未读计数（存在则累加，不存在则新建）
     */
    public static function increment($userId, $contactType, $contactId, $step = 1)
    {
        $row = self::where('user_id', $userId)
            ->where('contact_type', $contactType)
            ->where('contact_id', $contactId)
            ->find();
        if ($row) {
            $row->unread_count = (int) $row->unread_count + $step;
            $row->save();
        } else {
            $m = new self();
            $m->user_id       = $userId;
            $m->contact_type  = $contactType;
            $m->contact_id    = $contactId;
            $m->unread_count  = $step;
            $m->save();
        }
        return true;
    }

    /**
     * 清零未读计数
     */
    public static function reset($userId, $contactType, $contactId)
    {
        return self::where('user_id', $userId)
            ->where('contact_type', $contactType)
            ->where('contact_id', $contactId)
            ->update(['unread_count' => 0]);
    }
}