<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * 供应商模型（采购单接收方）
 */
class SupplierModel extends Model
{
    use SoftDeletes, HasFactory;

    /** 状态：停用 */
    public const STATUS_DISABLED = 0;
    /** 状态：正常 */
    public const STATUS_NORMAL = 1;

    protected $table = 'supplier';
    protected $primaryKey = 'id';

    protected $fillable = [
        'name',
        'contact',
        'phone',
        'address',
        'main_products',
        'status',
        'remark',
    ];

    protected $casts = [
        'status' => 'integer',
    ];

    /**
     * 供应商供货的商品
     */
    public function products(): HasMany
    {
        return $this->hasMany(ProductModel::class, 'supplier_id', 'id');
    }

    /**
     * 供应商的采购明细行
     */
    public function purchaseItems(): HasMany
    {
        return $this->hasMany(PurchaseOrderItemModel::class, 'supplier_id', 'id');
    }

    /**
     * 绑定本供应商的小程序用户
     */
    public function users(): HasMany
    {
        return $this->hasMany(UserModel::class, 'supplier_id', 'id');
    }
}