using System.ComponentModel.DataAnnotations;
using MiGu.Server.Persistence;

namespace MiGu.Server.Wms;

public abstract class WarehouseHistoryBase
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid? RelationId { get; set; }
    public string EventType { get; set; } = "";
    public string BeforeJson { get; set; } = "{}";
    public string AfterJson { get; set; } = "{}";
    public Guid? ContainerId { get; set; }
    public string Operator { get; set; } = "";
    public DateTimeOffset OperatedAt { get; set; }
    public string Source { get; set; } = "Manual";
    public string Reason { get; set; } = "";
    public string Remark { get; set; } = "";
    public string Extend { get; set; } = "{}";
}

public sealed class Warehouse : EntityBase
{
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string Type { get; set; } = "Default";
    public bool Enabled { get; set; } = true;
    public int SortOrder { get; set; }
}

public sealed class WarehouseArea : EntityBase
{
    public Guid WarehouseId { get; set; }
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string Type { get; set; } = "Storage";
    [MaxLength(32)] public string LayoutMode { get; set; } = AreaLayoutModes.Flat;
    [MaxLength(32)] public string State { get; set; } = "Default";
    public bool Enabled { get; set; } = true;
    public int SortOrder { get; set; }
}

public sealed class Storage : EntityBase
{
    public Guid AreaId { get; set; }
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string StorageType { get; set; } = "Storage";
    [MaxLength(32)] public string LocationKind { get; set; } = LocationKinds.Station;
    public int ColumnNo { get; set; }
    public int LevelNo { get; set; } = 1;
    public int DepthNo { get; set; } = 1;
    [MaxLength(64)] public string SiteId { get; set; } = "";
    [MaxLength(64)] public string SiteCode { get; set; } = "";
    [MaxLength(128)] public string Barcode { get; set; } = "";
    /// <summary>已废弃：一货位一容器，保留列兼容旧库。</summary>
    public int Capacity { get; set; }
    [MaxLength(32)] public string Status { get; set; } = StorageStatuses.Empty;
    [MaxLength(64)] public string Usage { get; set; } = "";
    public int Priority { get; set; }
    [MaxLength(64)] public string ZoneCode { get; set; } = "";
    public bool AllowInbound { get; set; } = true;
    public bool AllowOutbound { get; set; } = true;
    public bool Enabled { get; set; } = true;
}

public sealed class Container : EntityBase
{
    public Guid? AreaId { get; set; }
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string ContainerType { get; set; } = "Box";
    [MaxLength(64)] public string Status { get; set; } = ContainerStatuses.EmptyMaterial;
    [MaxLength(128)] public string Barcode { get; set; } = "";
    public double Length { get; set; }
    public double Width { get; set; }
    public double Height { get; set; }
    public bool Enabled { get; set; } = true;
}

public sealed class MaterialType : EntityBase
{
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(128)] public string Spec { get; set; } = "";
    [MaxLength(32)] public string Unit { get; set; } = "pcs";
    [MaxLength(64)] public string Category { get; set; } = "";
    [MaxLength(64)] public string BarcodePrefix { get; set; } = "";
    public bool Enabled { get; set; } = true;
}

public sealed class Material : EntityBase
{
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string TypeCode { get; set; } = "";
    [MaxLength(128)] public string Barcode { get; set; } = "";
    [MaxLength(128)] public string Spec { get; set; } = "";
    [MaxLength(32)] public string Unit { get; set; } = "pcs";
    [MaxLength(64)] public string Category { get; set; } = "";
    [MaxLength(32)] public string LifecycleStatus { get; set; } = MaterialLifecycles.Active;
    public DateTimeOffset? UnboundAt { get; set; }
    public bool Enabled { get; set; } = true;
}

public sealed class ContainerLocation : EntityBase
{
    public Guid ContainerId { get; set; }
    [MaxLength(32)] public string LocationType { get; set; } = ContainerLocationTypes.Storage;
    [MaxLength(64)] public string LocationId { get; set; } = "";
    [MaxLength(64)] public string LocationCode { get; set; } = "";
    [MaxLength(128)] public string LocationName { get; set; } = "";
    [MaxLength(32)] public string Status { get; set; } = ContainerLocationStatuses.Active;
    public DateTimeOffset EnteredAt { get; set; }
}

/// <summary>容器-物料绑定（无数量语义；Quantity 列仅兼容旧库，固定为 1）。</summary>
public sealed class ContainerMaterial : EntityBase
{
    public Guid ContainerId { get; set; }
    public Guid MaterialId { get; set; }
    public decimal Quantity { get; set; } = 1;
    [MaxLength(64)] public string BatchNo { get; set; } = "";
    [MaxLength(64)] public string SerialNo { get; set; } = "";
    [MaxLength(32)] public string Status { get; set; } = ContainerMaterialStatuses.Bound;
    public DateTimeOffset BoundAt { get; set; }
    public DateTimeOffset LoadedAt { get; set; }
    public DateTimeOffset? UnloadedAt { get; set; }
}

public sealed class StockEvent
{
    public Guid Id { get; set; } = Guid.NewGuid();
    [MaxLength(32)] public string EventType { get; set; } = "";
    public Guid? MaterialId { get; set; }
    [MaxLength(64)] public string MaterialCode { get; set; } = "";
    [MaxLength(128)] public string MaterialName { get; set; } = "";
    [MaxLength(128)] public string MaterialBarcode { get; set; } = "";
    [MaxLength(64)] public string MaterialTypeCode { get; set; } = "";
    public Guid? ContainerId { get; set; }
    [MaxLength(64)] public string ContainerCode { get; set; } = "";
    [MaxLength(128)] public string ContainerName { get; set; } = "";
    public Guid? StorageId { get; set; }
    [MaxLength(64)] public string StorageCode { get; set; } = "";
    [MaxLength(128)] public string StorageName { get; set; } = "";
    [MaxLength(64)] public string AreaCode { get; set; } = "";
    public Guid? FromStorageId { get; set; }
    [MaxLength(64)] public string FromStorageCode { get; set; } = "";
    [MaxLength(128)] public string FromStorageName { get; set; } = "";
    public Guid? ToStorageId { get; set; }
    [MaxLength(64)] public string ToStorageCode { get; set; } = "";
    [MaxLength(128)] public string ToStorageName { get; set; } = "";
    [MaxLength(64)] public string RefType { get; set; } = "Manual";
    public Guid? RefId { get; set; }
    [MaxLength(64)] public string RefCode { get; set; } = "";
    [MaxLength(128)] public string Operator { get; set; } = "";
    public DateTimeOffset OperatedAt { get; set; }
    [MaxLength(500)] public string Reason { get; set; } = "";
}

public sealed class ContainerLocationHistory : WarehouseHistoryBase
{
    [MaxLength(32)] public string FromLocationType { get; set; } = "";
    [MaxLength(64)] public string FromLocationId { get; set; } = "";
    [MaxLength(32)] public string ToLocationType { get; set; } = "";
    [MaxLength(64)] public string ToLocationId { get; set; } = "";
}

public sealed class ContainerMaterialHistory : WarehouseHistoryBase
{
    public Guid? MaterialId { get; set; }
    public decimal QuantityDelta { get; set; }
}

public static class AreaLayoutModes
{
    public const string Flat = "Flat";
    public const string Grid = "Grid";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { Flat, Grid };
}

public static class LocationKinds
{
    public const string Grid = "Grid";
    public const string Station = "Station";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { Grid, Station };
}

public static class ContainerLocationTypes
{
    public const string Storage = "Storage";
    public const string Car = "Car";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { Storage, Car };
}

public static class ContainerLocationStatuses
{
    public const string Active = "Active";
    public const string Locked = "Locked";
    public const string Exception = "Exception";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { Active, Locked, Exception };
}

public static class ContainerMaterialStatuses
{
    public const string Bound = "Bound";
    // 兼容旧数据
    public const string Loaded = "Loaded";
    public const string Unloaded = "Unloaded";
    public const string Adjusted = "Adjusted";
    public const string Frozen = "Frozen";
    public static readonly HashSet<string> ActiveBind = new(StringComparer.OrdinalIgnoreCase) { Bound, Loaded, Adjusted, Frozen };
}

public static class ContainerStatuses
{
    public const string EmptyMaterial = "EmptyMaterial";
    public const string FullMaterial = "FullMaterial";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { EmptyMaterial, FullMaterial };
}

public static class StorageStatuses
{
    public const string Empty = "Empty";
    public const string EmptyContainer = "EmptyContainer";
    public const string FullContainer = "FullContainer";
    public const string Disabled = "Disabled";
    // 兼容旧值（读时映射，写时用新值）
    public const string Available = "Available";
    public const string Idle = "Idle";
    public const string Occupied = "Occupied";

    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
        { Empty, EmptyContainer, FullContainer, Disabled };

    public static string Normalize(string? status) => status switch
    {
        Available or Idle => Empty,
        Occupied => FullContainer,
        _ when string.IsNullOrWhiteSpace(status) => Empty,
        _ => status
    };
}

public static class StorageTypes
{
    public const string Storage = "Storage";
    public const string LineSide = "LineSide";
    public const string OfflinePoint = "OfflinePoint";
    public const string Buffer = "Buffer";
    public const string FinishedGoods = "FinishedGoods";
}

public static class MaterialLifecycles
{
    public const string Active = "Active";
    public const string Archived = "Archived";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase) { Active, Archived };
}

public static class StockEventTypes
{
    public const string Bind = "Bind";
    public const string Unbind = "Unbind";
    public const string ContainerMove = "ContainerMove";
}

public static class WmsTransportTriggerTypes
{
    public const string MaterialCall = "MaterialCall";
    public const string FinishedGoodsOffline = "FinishedGoodsOffline";
    public const string AutoTransfer = "AutoTransfer";
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
        { MaterialCall, FinishedGoodsOffline, AutoTransfer };
}

public static class WmsTransportTaskStatuses
{
    public const string Pending = "Pending";
    public const string Reserved = "Reserved";
    public const string Dispatched = "Dispatched";
    public const string InTransit = "InTransit";
    public const string Completed = "Completed";
    public const string Failed = "Failed";
    public const string Cancelled = "Cancelled";
    public static readonly HashSet<string> Active = new(StringComparer.OrdinalIgnoreCase)
        { Pending, Reserved, Dispatched, InTransit };
    public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
        { Pending, Reserved, Dispatched, InTransit, Completed, Failed, Cancelled };
}

public static class WmsReservationStatuses
{
    public const string Active = "Active";
    public const string Released = "Released";
    public const string Expired = "Expired";
}

public sealed class WmsTransportRule : EntityBase
{
    [MaxLength(64)] public string Code { get; set; } = "";
    [MaxLength(128)] public string Name { get; set; } = "";
    [MaxLength(64)] public string TriggerType { get; set; } = WmsTransportTriggerTypes.MaterialCall;
    public bool Enabled { get; set; } = true;
    public int Priority { get; set; }
    public string SourceSelectorJson { get; set; } = "{}";
    public string TargetSelectorJson { get; set; } = "{}";
    public string TaskOptionsJson { get; set; } = "{}";
}

public sealed class WmsTransportTask : EntityBase
{
    [MaxLength(64)] public string BusinessType { get; set; } = "";
    public Guid? RuleId { get; set; }
    public Guid SourceStorageId { get; set; }
    public Guid TargetStorageId { get; set; }
    public Guid ContainerId { get; set; }
    public Guid? MaterialId { get; set; }
    /// <summary>已废弃：单物料实体模型不再使用数量。</summary>
    public decimal? Quantity { get; set; }
    [MaxLength(32)] public string Status { get; set; } = WmsTransportTaskStatuses.Pending;
    [MaxLength(64)] public string DispatchMissionId { get; set; } = "";
    [MaxLength(64)] public string DeliveryId { get; set; } = "";
    [MaxLength(32)] public string DispatchStatus { get; set; } = "";
    [MaxLength(500)] public string Reason { get; set; } = "";
    public string SnapshotJson { get; set; } = "{}";
    [MaxLength(1000)] public string ErrorMessage { get; set; } = "";
    public int TaskPriority { get; set; }
}

public sealed class WmsTransportReservation : EntityBase
{
    public Guid TaskId { get; set; }
    public Guid ContainerId { get; set; }
    public Guid SourceStorageId { get; set; }
    public Guid TargetStorageId { get; set; }
    [MaxLength(32)] public string Status { get; set; } = WmsReservationStatuses.Active;
    public DateTimeOffset? ExpiresAt { get; set; }
}

public sealed class WmsTransportTaskHistory
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid TaskId { get; set; }
    [MaxLength(32)] public string FromStatus { get; set; } = "";
    [MaxLength(32)] public string ToStatus { get; set; } = "";
    [MaxLength(128)] public string Operator { get; set; } = "";
    public DateTimeOffset OperatedAt { get; set; }
    [MaxLength(500)] public string Reason { get; set; } = "";
    [MaxLength(1000)] public string ErrorMessage { get; set; } = "";
    public string SnapshotJson { get; set; } = "{}";
}

public static class WmsDefaults
{
    public const string DefaultWarehouseCode = "DEFAULT";
    public const string DefaultWarehouseName = "默认仓库";
}