<?php

namespace App\Models\Store;

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

class StockLog extends Model
{
    use HasFactory, HasDateTimeFormatter;

    const TAG_OUT = 1;// 出库, 调出
    const TAG_IN = 2;// 入库, 进货
    const TAG_CARRY = 3;// 提货, 线下订单
    const TAG_LOSS = 4;// 报损
    const TAG_SELF = 5;// 自用
    const TAG_SEND = 9;// 发货, 线上订单发货(绑定门店)
    const TAG_JOIN = 13;// 调入

    protected $table = 'store_stock_logs';

    protected $fillable = ['operator_type', 'operator_id', 'operator_name', 'amount', 'product_sku_id', 'remarks', 'balance', 'source_id', 'source_type', 'store_id', 'tag_id'];

    public static function tags()
    {
        return Tag::where('type', Tag::TYPE_STORE_STOCK);
    }

    public function store()
    {
        return $this->belongsTo(Store::class, 'store_id');
    }

    public function productSku()
    {
        return $this->belongsTo(\App\Models\ProductSku::class, 'product_sku_id');
    }

    public function operator()
    {
        return $this->morphTo();
    }

    public function source()
    {
        return $this->morphTo();
    }

    public function tag()
    {
        return $this->belongsTo(Tag::class, 'tag_id');
    }
}