<?php

namespace app\common\model\user;

use app\common\model\BaseModel;
use think\Exception;

class AwardLakeLog extends BaseModel
{
    public static function tablePk(): ?string
    {
        return 'id';
    }

    public static function tableName(): string
    {
        return 'award_integral_price';
    }


    public static function income($lake_id, $type, $num, $link_id = 0, $mark = '')
    {
        $lake = AwardLake::find($lake_id);
        if (!$lake) throw new Exception('invalid lake');
        $pm = 1;
        $add_time = time();
        $res = self::create(compact('lake_id', 'type', 'num', 'link_id', 'mark', 'pm', 'add_time'));
        $res = $res && AwardLake::where('id', $lake_id)->inc('num', $num)->update();
        return $res;
    }

    public static function expend($lake_id, $type, $num, $link_id = 0, $mark = '')
    {
        $lake = AwardLake::find($lake_id);
        if (!$lake) throw new Exception('invalid lake');
        if ($lake->num < $num) {
            throw new Exception('lake num not enough');
        }
        $pm = 0;
        $add_time = time();
        $res = self::create(compact('lake_id', 'type', 'num', 'link_id', 'mark', 'pm', 'add_time'));
        $res = $res && AwardLake::where('id', $lake_id)->dec('num', $num)->update();
        return $res;
    }
}