<?php

namespace App\Models\business;

use App\BaseApp\BaseBusinessModel;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

/**
 * 订单（cc_order）
 *
 * 金额字段一律是整数分。状态用显式状态机（见 OrderService::transition），
 * 不要在业务代码里散落 if-else 直接改 status。
 */
class OrderModel extends BaseBusinessModel
{
    protected $table = 'order';

    protected $guarded = [];

    public const STATUS_UNPAID = 0;
    public const STATUS_PAID = 1;
    public const STATUS_SHIPPED = 2;
    public const STATUS_DONE = 3;
    public const STATUS_CANCELLED = 4;

    public const PAY_TYPE_VOUCHER = 1;
    public const PAY_TYPE_WECHAT = 2;

    public const PAY_STATUS_UNPAID = 0;
    public const PAY_STATUS_AUDITING = 1;
    public const PAY_STATUS_PAID = 2;
    public const PAY_STATUS_REJECTED = 3;

    public const DELIVERY_EXPRESS = 1;
    public const DELIVERY_PICKUP = 2;
    public const DELIVERY_COMPANY = 3;

    public function items(): HasMany
    {
        return $this->hasMany(OrderItemModel::class, 'order_id', 'id');
    }

    public function payments(): HasMany
    {
        return $this->hasMany(OrderPaymentModel::class, 'order_id', 'id');
    }

    public function deliveries(): HasMany
    {
        return $this->hasMany(OrderDeliveryModel::class, 'order_id', 'id');
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(WxUserModel::class, 'user_id', 'id');
    }

    public function enterprise(): BelongsTo
    {
        return $this->belongsTo(EnterpriseModel::class, 'enterprise_id', 'id');
    }
}