<?php

namespace App\Models;

use App\Models\Traits\BelongsToOutlet;

class ActivityCoupon extends Model
{

    use BelongsToOutlet;

    protected $dates = [
        'start_at',
        'end_at',
        'used_at',
    ];

    const STATUS_INIT  = 1;
    const STATUS_USED  = 2;
    const STATUS_CLOSE = 3;
    const STATUS       = [
        self::STATUS_INIT  => '未使用',
        self::STATUS_USED  => '已使用',
        self::STATUS_CLOSE => '已作废',
    ];

    /**
     * 默认加载的关联
     * @var array
     */
    protected $with = ['activity'];

    /**
     * Notes: 关联活动
     * @Author: 玄尘
     * @Date  : 2020/6/30 9:40
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function activity()
    {
        return $this->belongsTo(Activity::class);
    }

    /**
     * Notes: 卡券状态
     * @Author: 玄尘
     * @Date  : 2020/6/30 9:40
     * @return string
     */
    public function getStatusTextAttribute()
    {
        return self::STATUS[$this->status] ?? '未知';
    }

    /**
     * Notes: 是否可以核销
     * @Author: 玄尘
     * @Date  : 2020/6/30 9:41
     * @return bool
     */
    public function canRedemption()
    {
        return $this->status == ActivityCoupon::STATUS_INIT;
    }

    /**
     * Notes: 是否可以销毁
     * @Author: 玄尘
     * @Date  : 2020/6/30 9:41
     * @return bool
     */
    public function canDestroy()
    {
        return $this->canRedemption();
    }

}