<?php

namespace App\Models;

use App\Models\YiiModels\Store;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * App\Models\DrugStoreRelation
 *
 * @property int $id
 * @property int $store_id 门店id
 * @property int $drug_id 药品id
 * @property string $price 销售价
 * @property int $status 状态1下架2上架
 * @property int $base_sales_volume 基础销量
 * @property int $true_sales_volume 真实销量
 * @property int $total_sales_volume 总销量
 * @property string|null $buy_price 进货(采购)价
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read string $created_at_format 创建时间的格式化
 * @property-read string $status_string 状态名称
 * @property-read string $updated_at_format 更新时间的格式化
 * @property-read \App\Models\YiiModels\Store|null $store 门店
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\DrugStoreRelation newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\DrugStoreRelation newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\DrugStoreRelation query()
 * @mixin \Eloquent
 */
class DrugStoreRelation extends BaseModel
{
    // 状态
    public const STATUS_OFF = 1;
    public const STATUS_ON = 2;
    public const STATUS = [
        self::STATUS_OFF => '下架',
        self::STATUS_ON => '上架',
    ];

    protected static function boot()
    {
        parent::boot();
        parent::creating(function (self $model) {
            $model->total_sales_volume = $model->base_sales_volume + $model->true_sales_volume;
        });
        parent::updating(function (self $model) {
            if (
                isset($model->total_sales_volume)
                && isset($model->base_sales_volume)
                && isset($model->true_sales_volume)
            ) {
                $model->total_sales_volume = $model->base_sales_volume + $model->true_sales_volume;
            }
        });
    }

    /**
     * @comment 门店
     * @return BelongsTo
     */
    public function store(): BelongsTo
    {
        return $this->belongsTo(Store::class, 'store_id');
    }
}