namespace Oms.Application.Services.Orders;

using Fake.Application;
using Oms.Application.Shared;
using Oms.Domain.OrdersAggregate.Consts;

/// <summary>
/// 小包计费各环节共用的件重尺校验。
/// </summary>
internal static class ParcelBillingValidators
{
    /// <summary>
    /// 预报/入库/出库：长宽高与实重均须 &gt; 0。
    /// </summary>
    public static void EnsurePositiveDimensions(
        decimal? length,
        decimal? width,
        decimal? height,
        decimal? actualWeight,
        string stageLabel)
    {
        if (!length.HasValue || !width.HasValue || !height.HasValue || !actualWeight.HasValue
            || length <= 0 || width <= 0 || height <= 0 || actualWeight <= 0)
        {
            throw new BusinessException($"{stageLabel}实重与长宽高不能为空且须大于 0");
        }
    }

    /// <summary>
    /// 查价：尺寸要么全空（按实重估算），要么三者齐全。
    /// </summary>
    public static void EnsurePriceCheckDimensions(
        decimal? length,
        decimal? width,
        decimal? height)
    {
        var hasPartial = length is > 0 || width is > 0 || height is > 0;
        var hasFull = length is > 0 && width is > 0 && height is > 0;
        if (hasPartial && !hasFull)
        {
            throw new BusinessException("尺寸请填写完整的长、宽、高，或全部留空按实重估算");
        }
    }

    public static bool HasFullDimensions(decimal? length, decimal? width, decimal? height) =>
        length is > 0 && width is > 0 && height is > 0;

    public static void EnsureInboundOrderStatus(string? orderStatus)
    {
        if (orderStatus is OrderStatusCodes.Predeclared or OrderStatusCodes.PendingAllocation)
        {
            return;
        }

        if (orderStatus is OrderStatusCodes.PendingPayment or OrderStatusCodes.PendingShip
            or OrderStatusCodes.PendingOnline or OrderStatusCodes.Shipping
            or OrderStatusCodes.DeliverySuccess or OrderStatusCodes.DeliveryFailed)
        {
            throw new BusinessException("订单已入库，无需重复收货");
        }

        throw new BusinessException($"订单状态为「{OmsDocHelper.GetOrderStatusName(orderStatus ?? string.Empty)}」，不允许入库收货");
    }
}