<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class OrderProduct extends Model
{
    /**
     * @var array
     */
    protected $attributes = [
        'point_discount_amount' => 0,
    ];

    protected $casts = [
        'specs' => 'json',
        'is_gift'=>'boolean',
    ];

    /**
     * @var array
     */
    protected $fillable = [
        'gift_for_sku_id',
        'user_id',
        'order_id',
        'spu_id',
        'sku_id',
        'category_id',
        'name',
        'specs',
        'cover',
        'weight',
        'sell_price',
        'vip_price',
        'sales_value',
        'quantity',
        'coupon_discount_amount',
        'vip_discount_amount',
        'reduced_amount',
        'total_amount',
        'after_sale_state',
        'after_expire_at',
        'remain_quantity',
        'is_gift',
        'activity_id',
        'bargain_amount',
        'market_price',
        'cost_price',
        'spent_points',
        'point_discount_amount',
    ];

    public function packageProducts()
    {
        return $this->hasMany(OrderPackageProduct::class, 'order_product_id');
    }

    /**
     * 此订单商品的售后单
     *
     */
    public function afterSales()
    {
        return $this->hasMany(AfterSale::class, 'order_product_id');
    }

    /**
     * 关联的订单包裹
     *
     */
    public function packages()
    {
        return $this->belongsToMany(OrderPackage::class, 'order_package_products', 'order_product_id', 'order_package_id');
    }

    /**
     * 此订单商品所属的SPU
     *
     */
    public function spu()
    {
        return $this->belongsTo(ProductSpu::class, 'spu_id');
    }

    /**
     * 此订单商品所属的SKU
     *
     */
    public function sku()
    {
        return $this->belongsTo(ProductSku::class, 'sku_id');
    }

    /**
     * 此订单商品所属的SKU
     *
     */
    public function order()
    {
        return $this->belongsTo(Order::class, 'order_id');
    }

    /**
     * 确认此订单商品是否是赠品
     *
     * @return bool
     */
    public function isGift()
    {
        return $this->gift_for_sku_id !== null || $this->is_gift == true;
    }

    /**
     * 获取订单商品是否能发起售后
     *
     * @return bool
     */
    public function getCanAfterSaleAttribute(): bool
    {
        $res = false;

        // 老判断，有过期时间，且未到过期时间，未发起过售后
        // $oldJudge = !is_null($this->after_expire_at) && $this->after_expire_at > now() &&  $this->after_sale_state == 0;

        //新判断, 有发货单，在售后时间范围内， 当前无售后；
        if ($this->packages()->where('is_failed', false)->count() > 0) {
            if ((is_null($this->after_expire_at) || $this->after_expire_at > now()) && $this->after_sale_state == 0) {
                $res = true;
            }
        }

        return $res;
    }

    /**
     * 订单商品是否有售后
     *
     * @return boolean
     */
    public function getHasAfterSaleAttribute(): bool
    {
        $res = false;

        if ($this->afterSales()->count() > 0) {
            $res = true;
        }

        return $res;
    }

    /**
     * 获取订单商品销售价格
     *
     * @return string
     */
    public function getSellPriceFormatAttribute()
    {
        return bcdiv($this->attributes['sell_price'], 100, 2);
    }

    /**
     * 获取订单商品会员价格
     *
     * @return string
     */
    public function getVipPriceFormatAttribute()
    {
        if (is_null($price = $this->attributes['vip_price'])) {
            return '';
        }

        return bcdiv($price, 100, 2);
    }
}