namespace Oms.Domain.OrdersAggregate.Consts;

/// <summary>
/// 代发订单客户可见进度（由绑定状态 + 包裹生命周期聚合）。
/// </summary>
public static class FulfillmentProgressCodes
{
    /// <summary>待绑定包裹/库存。</summary>
    public const string PendingBind = "pendingBind";

    /// <summary>国内快递在途，未到仓。</summary>
    public const string DomesticInTransit = "domesticInTransit";

    /// <summary>已到仓（或库存已就绪），待仓库拣货。</summary>
    public const string ArrivedPendingPick = "arrivedPendingPick";

    /// <summary>已确认拣货扣减（出库完成）。</summary>
    public const string OutboundDone = "outboundDone";

    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
    {
        PendingBind,
        DomesticInTransit,
        ArrivedPendingPick,
        OutboundDone
    };

    /// <summary>
    /// 非仓内代发返回 null；否则按绑定与包裹状态合成进度码。
    /// </summary>
    public static string? Resolve(bool isWarehouseFulfill, string? bindStatus, int lineCount, bool hasInTransitParcel)
    {
        if (!isWarehouseFulfill)
        {
            return null;
        }

        var status = bindStatus?.Trim() ?? "none";
        if (lineCount <= 0 || string.Equals(status, "none", StringComparison.OrdinalIgnoreCase))
        {
            return PendingBind;
        }

        if (string.Equals(status, OrderStockBindStatusCodes.Deducted, StringComparison.OrdinalIgnoreCase))
        {
            return OutboundDone;
        }

        if (hasInTransitParcel)
        {
            return DomesticInTransit;
        }

        return ArrivedPendingPick;
    }
}