<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * 供应商产品
 * Class Product
 * @package App\Models
 */
class Product extends BaseModel
{
    use HasFactory, SoftDeletes;

	protected $guarded = ['id']; //不允许编辑的字段
	protected $casts = ['extends' => 'json'];

    // 获取所有产品图片
    public function getPicturesAttribute($value): array
    {
    	if (is_string($value)) {
			$value = $value ? json_decode($value, true) : [];
		}
        $this->append('picture');
        return $value ?? [];
    }

    // 获取第一张产品图片
    public function getPictureAttribute($value): string
    {
        return $this->pictures[0] ?? '';
    }

	public function setPicturesAttribute($value)
	{
		if (is_array($value)) {
			$this->attributes['pictures'] = json_encode(array_filter($value));
		}
	}

	public function supplier()
	{
		return $this->belongsTo(Supplier::class)->withTrashed();
	}

	public function category()
	{
		return $this->belongsTo(Category::class);
	}

	public function spec()
	{
		return $this->hasMany(ProductSpec::class);
	}
}