<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务,帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件,不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\common\model\bargain;

use cores\BaseModel;
use app\common\library\helper;

/**
 * 砍价任务模型
 * Class Task
 * @package app\common\model\bargain
 */
class Task extends BaseModel
{
    // 定义表名
    protected $name = 'bargain_task';

    // 定义主键
    protected $pk = 'task_id';

    // 定义别名
    protected string $alias = 'task';

    // 强制类型转换
    protected $type = [
        'is_floor' => 'integer',
        'is_buy' => 'integer',
        'status' => 'integer',
        'is_delete' => 'integer',
    ];

    /**
     * 追加的字段
     * @var array $append
     */
    protected $append = [
        'is_end',   // 是否已结束
        'surplus_money',    // 剩余砍价金额
        'bargain_rate', // 砍价进度百分比(0-100)
    ];

    /**
     * 关联用户表
     * @return \think\model\relation\BelongsTo
     */
    public function user()
    {
        $module = self::getCalledModule();
        return $this->BelongsTo("app\\{$module}\\model\\User");
    }

    /**
     * 获取器:任务结束时间
     * @param $value
     * @return false|string
     */
    public function getEndTimeAttr($value)
    {
        return \format_time($value);
    }

    /**
     * 获取器:活动是否已结束
     * @param $value
     * @param $data
     * @return false|string
     */
    public function getIsEndAttr($value, $data)
    {
        return $value ?: $data['end_time'] <= time();
    }

    /**
     * 获取器:剩余砍价金额
     * @param $value
     * @param $data
     * @return false|string
     */
    public function getSurplusMoneyAttr($value, $data)
    {
        $maxCutMoney = helper::bcsub($data['goods_price'], $data['floor_price']);
        return $value ?: helper::bcsub($maxCutMoney, $data['cut_money']);
    }

    /**
     * 获取器:砍价进度百分比
     * @param $value
     * @param $data
     * @return string
     */
    public function getBargainRateAttr($value, $data)
    {
        $maxCutMoney = helper::bcsub($data['goods_price'], $data['floor_price']);
        $rate = helper::bcmul(helper::bcdiv($data['cut_money'], $maxCutMoney), 100);
        return $value ?: $rate;
    }

    /**
     * 获取器:砍价金额区间
     * @param $value
     * @return mixed
     */
    public function getSectionAttr($value)
    {
        return helper::jsonDecode($value);
    }

    /**
     * 修改器:砍价金额区间
     * @param $value
     * @return string
     */
    public function setSectionAttr($value)
    {
        return helper::jsonEncode($value);
    }

    /**
     * 砍价任务详情
     * @param int $taskId
     * @param array $with
     * @return static|array|null
     */
    public static function detail(int $taskId, array $with = [])
    {
        // 砍价任务详情
        $model = static::get($taskId, $with);
        // 标识砍价任务过期
        return static::autoSetEnd($model);
    }

    /**
     * 检测并标识砍价任务过期状态
     * @param Task $model
     * @return Task
     */
    private static function autoSetEnd(self $model): Task
    {
        if (!empty($model) && $model['status'] == 1 && $model->getData('end_time') <= time()) {
            $model->save(['status' => 0]);
        }
        return $model;
    }
}