<?php

namespace App\Models;

use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class CouponRange extends Model
{
    use HasFactory;
    use HasDateTimeFormatter;

    public const TYPE_CATEGORY = 1;
    public const TYPE_PRODUCT = 2;

    protected $attributes = [
        'is_enable' => 1
    ];

    /**
     * 仅查询可用的券规则
     */
    public function scopeIsEnable($query)
    {
        return $query->where('is_enable', true);
    }

    public function coupon()
    {
        return $this->belongsTo(Coupon::class, 'coupon_id');
    }

    /**
     * 确认券规则是否仅分类可用
     *
     * @return bool
     */
    public function isTypeCategory()
    {
        return $this->type === static::TYPE_CATEGORY;
    }

    /**
     * 确认券规则是否仅商品可用
     *
     * @return bool
     */
    public function isTypeProduct()
    {
        return $this->type === static::TYPE_PRODUCT;
    }

    /**
     * 获取此规则的范围IDs
     *
     * @return array
     */
    public function getRangeIdsAttribute(): array
    {
        $value = $this->attributes['ranges'];

        if ((string) $value === '') {
            return [];
        }

        return explode(',', $value);
    }
}