using HandyControl.Controls;
using HandyControl.Data;
using HandyControl.Tools.Extension;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Collections.ObjectModel;
using System.Globalization;
using YY.Admin.Core;
using YY.Admin.Core.Entity;
using YY.Admin.Core.Services;
using YY.Admin.Services.Service;
using YY.Admin.Services.Service.MixerMaterialTareStrategy;
using YY.Admin.Views.RawMaterialEntry;
using YY.Admin.ViewModels.WeightRecord;
using YY.Admin.Views.WeightRecord;

namespace YY.Admin.ViewModels.RawMaterialEntry;

public class RawMaterialEntryEditDialogViewModel : BaseViewModel, IDialogResultable<bool>
{
    private readonly IRawMaterialEntryService _entryService;
    /// <summary>供子页面（如独立新增页右侧面板）复用列表/详情查询能力。</summary>
    protected IRawMaterialEntryService EntryService => _entryService;
    private readonly IJeecgDictSyncService _dictSyncService;
    private readonly IMixerMaterialService _mixerMaterialService;
    private readonly IMixerMaterialTareStrategyService _tareStrategyService;
    private readonly ISupplierService _supplierService;
    private bool _suppressTareStrategyRefresh;
    protected string? _pendingMaterialId;

    private MesXslRawMaterialEntry? _entry;
    public MesXslRawMaterialEntry? Entry
    {
        get => _entry;
        set => SetProperty(ref _entry, value);
    }

    protected MesMixerMaterial? _selectedMaterial;
    public MesMixerMaterial? SelectedMaterial
    {
        get => _selectedMaterial;
        set
        {
            if (!SetProperty(ref _selectedMaterial, value) || value == null || Entry == null) return;
            Entry.MaterialId = value.Id;
            Entry.MaterialCode = value.MaterialCode;
            Entry.MaterialName = value.MaterialName;
            Entry.ManufacturerMaterialName = value.AliasName;
            RecalculateShelfLife(value);
            RaisePropertyChanged(nameof(Entry));
            RaisePropertyChanged(nameof(SelectedMaterialDisplay));
            RaisePropertyChanged(nameof(HasSelectedMaterial));

            _ = RefreshAllRowsTareStrategyAsync();

            // 新增模式自动生成条码/批次号
            if (IsAddMode && !string.IsNullOrEmpty(value.MaterialCode))
                _ = AutoGenerateBarcodeAsync(value.MaterialCode);
        }
    }

    private bool _isGenerating;
    public bool IsGenerating
    {
        get => _isGenerating;
        set => SetProperty(ref _isGenerating, value);
    }

    public bool IsAddMode => string.IsNullOrWhiteSpace(Entry?.Id);
    public string DialogTitle => IsAddMode ? "新增原料入场记录" : "编辑原料入场记录";
    /// <summary>已打印（PrintFlag=="1"）：总重只读、不可新增明细。</summary>
    public bool IsPrinted => string.Equals(Entry?.PrintFlag, "1", StringComparison.Ordinal);
    public bool IsTotalWeightEditable => !IsPrinted;
    public string SelectedMaterialDisplay => _selectedMaterial == null
        ? "请选择密炼物料"
        : $"[{_selectedMaterial.MaterialCode}]  {_selectedMaterial.MaterialName}";
    public bool HasSelectedMaterial => _selectedMaterial != null;

    public string? IsSpecialAdoptionValue
    {
        get => Entry?.IsSpecialAdoption;
        set
        {
            if (Entry == null || Entry.IsSpecialAdoption == value)
            {
                return;
            }

            Entry.IsSpecialAdoption = value;
            if (!string.Equals(value, "1", StringComparison.Ordinal))
            {
                Entry.SpecialAdoptionOperator = null;
                Entry.SpecialAdoptionTime = null;
                Entry.SpecialAdoptionReason = null;
            }

            RaisePropertyChanged(nameof(Entry));
            RaisePropertyChanged(nameof(IsSpecialAdoptionValue));
        }
    }

    public double? TotalWeightInput
    {
        get => Entry?.TotalWeight;
        set
        {
            if (Entry == null || Entry.TotalWeight == value) return;
            Entry.TotalWeight = value;
            RaisePropertyChanged(nameof(Entry));
        }
    }

    public DateTime? EntryTimeInput
    {
        get => Entry?.EntryTime;
        set
        {
            if (Entry == null || Entry.EntryTime == value) return;
            Entry.EntryTime = value;
            RaisePropertyChanged(nameof(Entry));
            _ = RefreshAllRowsTareStrategyAsync();
        }
    }

    /// <summary>基础资料「托盘及皮重（合计）」= Σ 份数 × (包装物皮重 + 托盘重量)。</summary>
    public double PalletTareTotalDisplay => SplitCodeDetails.Sum(row =>
    {
        var portions = row.Portions ?? 0;
        var packaging = row.PackagingTare ?? 0d;
        var pallet = row.PalletWeight ?? 0d;
        return portions * (packaging + pallet);
    });

    public ObservableCollection<MesMixerMaterial> MaterialOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> TestResultOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> TestStatusOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> PrintFlagOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> StockBalanceOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> IsSpecialAdoptionOptions { get; } = new();
    public ObservableCollection<KeyValuePair<string, string>> StatusOptions { get; } = new();
    public ObservableCollection<RawMaterialSplitDetailItem> SplitCodeDetails { get; } = new();

    private bool _suspendEmbeddedPrintPreviewAirspace;

    /// <summary>
    /// WebView2 使用独立 HWND（Airspace），会同窗体内浮在 WPF 元素之上，遮挡 HandyControl 内嵌 Dialog。
    /// 原料入场独立页在弹窗期间通过绑定收起预览宿主；其它页面无 WebView2 时可忽略该属性。
    /// </summary>
    public bool SuspendEmbeddedPrintPreviewAirspace
    {
        get => _suspendEmbeddedPrintPreviewAirspace;
        private set
        {
            if (!SetProperty(ref _suspendEmbeddedPrintPreviewAirspace, value))
            {
                return;
            }

            OnSuspendEmbeddedPrintPreviewAirspaceChanged();
        }
    }

    /// <summary>子类在预览区可见性依赖此标志时，覆写以联动通知。</summary>
    protected virtual void OnSuspendEmbeddedPrintPreviewAirspaceChanged()
    {
    }

    /// <summary>在异步弹窗期间挂起右侧嵌入 WebView2，避免遮挡模态内容。</summary>
    protected async Task<TResult> SuspendEmbeddedPrintPreviewAirspaceWhileAsync<TResult>(Func<Task<TResult>> action)
    {
        SuspendEmbeddedPrintPreviewAirspace = true;
        try
        {
            return await action();
        }
        finally
        {
            SuspendEmbeddedPrintPreviewAirspace = false;
        }
    }

    public double SplitCodeTableHeight => CalculateSplitCodeTableHeight();
    public string SplitTotalPortionsDisplay => JoinSplitValue(item => item.Portions?.ToString(CultureInfo.InvariantCulture), true);
    public string SplitPortionWeightDisplay => JoinSplitValue(item => FormatNullableDecimal(item.PortionWeight), true);
    public string SplitPortionPackagesDisplay => JoinSplitValue(item => item.PortionPackages?.ToString(CultureInfo.InvariantCulture), true);

    private bool _result;
    public bool Result { get => _result; set => SetProperty(ref _result, value); }
    public Action? CloseAction { get; set; }

    public DelegateCommand SaveCommand { get; }
    public DelegateCommand CancelCommand { get; }
    public DelegateCommand ResetCommand { get; }
    public DelegateCommand AddSplitDetailCommand { get; }
    public DelegateCommand<RawMaterialSplitDetailItem> RemoveSplitDetailCommand { get; }
    public DelegateCommand OpenMaterialPickerCommand { get; }
    public DelegateCommand ClearMaterialCommand { get; }
    public DelegateCommand OpenWeightRecordPickerCommand { get; }
    public DelegateCommand ClearWeightRecordCommand { get; }
    public DelegateCommand OpenSupplierPickerCommand { get; }
    public DelegateCommand ClearSupplierCommand { get; }
    /// <summary>拆码明细 - 库位选择命令（弹出「库区选择」弹窗，单选）。CommandParameter 为当前行 RawMaterialSplitDetailItem。</summary>
    public DelegateCommand<RawMaterialSplitDetailItem> OpenWarehouseAreaPickerCommand { get; }
    /// <summary>拆码明细 - 手动选择皮重策略。</summary>
    public DelegateCommand<RawMaterialSplitDetailItem> OpenTareStrategyPickerCommand { get; }
    /// <summary>拆码明细 - 清除手动策略并按规则重新自动匹配。</summary>
    public DelegateCommand<RawMaterialSplitDetailItem> ResetTareStrategyCommand { get; }

    public RawMaterialEntryEditDialogViewModel(
        IRawMaterialEntryService entryService,
        IJeecgDictSyncService dictSyncService,
        IMixerMaterialService mixerMaterialService,
        IMixerMaterialTareStrategyService tareStrategyService,
        ISupplierService supplierService,
        IContainerExtension container,
        IRegionManager regionManager) : base(container, regionManager)
    {
        _entryService = entryService;
        _dictSyncService = dictSyncService;
        _mixerMaterialService = mixerMaterialService;
        _tareStrategyService = tareStrategyService;
        _supplierService = supplierService;
        SaveCommand = new DelegateCommand(async () => await SaveAsync());
        CancelCommand = new DelegateCommand(() => CloseAction?.Invoke());
        ResetCommand = new DelegateCommand(InitializeForAdd);
        AddSplitDetailCommand = new DelegateCommand(AddSplitDetailRow, () => !IsPrinted);
        RemoveSplitDetailCommand = new DelegateCommand<RawMaterialSplitDetailItem>(RemoveSplitDetailRow);
        OpenMaterialPickerCommand = new DelegateCommand(async () => await OpenMaterialPickerAsync());
        ClearMaterialCommand = new DelegateCommand(ClearMaterialSelection);
        OpenWeightRecordPickerCommand = new DelegateCommand(async () => await OpenWeightRecordPickerAsync());
        ClearWeightRecordCommand = new DelegateCommand(ClearWeightRecordSelection);
        OpenSupplierPickerCommand = new DelegateCommand(async () => await OpenSupplierPickerAsync());
        ClearSupplierCommand = new DelegateCommand(ClearSupplierSelection);
        OpenWarehouseAreaPickerCommand = new DelegateCommand<RawMaterialSplitDetailItem>(async row => await OpenWarehouseAreaPickerAsync(row));
        OpenTareStrategyPickerCommand = new DelegateCommand<RawMaterialSplitDetailItem>(async row => await OpenTareStrategyPickerAsync(row));
        ResetTareStrategyCommand = new DelegateCommand<RawMaterialSplitDetailItem>(async row => await ResetTareStrategyAsync(row));
        SplitCodeDetails.CollectionChanged += OnSplitCodeDetailsCollectionChanged;
        _ = LoadAllAsync();
    }

    private async Task LoadAllAsync()
    {
        await Task.WhenAll(LoadDictOptionsAsync(), LoadMaterialOptionsAsync());
    }

    protected async Task LoadMaterialOptionsAsync()
    {
        try
        {
            // 每次打开弹窗都主动拉一次，确保直接写库的数据也能同步到
            await _mixerMaterialService.SyncFromRemoteAsync();
            var result = await _mixerMaterialService.PageAsync(1, 2000);
            MaterialOptions.Clear();
            foreach (var m in result.Records)
                MaterialOptions.Add(m);

            // Edit 模式：物料加载完后回填选中项
            if (_pendingMaterialId != null)
            {
                var match = MaterialOptions.FirstOrDefault(m =>
                    string.Equals(m.Id, _pendingMaterialId, StringComparison.OrdinalIgnoreCase));
                if (match != null)
                    SelectedMaterial = match;
                _pendingMaterialId = null;
            }
        }
        catch { /* 无法加载物料列表时不阻断表单 */ }
    }

    private async Task LoadDictOptionsAsync()
    {
        try
        {
            var testResultOpts = await _dictSyncService.GetDictOptionsAsync("xslmes_test_result");
            var testStatusOpts = await _dictSyncService.GetDictOptionsAsync("xslmes_test_status");
            var printFlagOpts  = await _dictSyncService.GetDictOptionsAsync("xslmes_print_flag");
            var ynOpts         = await _dictSyncService.GetDictOptionsAsync("yn");
            var statusOpts     = await _dictSyncService.GetDictOptionsAsync("xslmes_entry_status");

            PopulateOptions(TestResultOptions, testResultOpts, new[]
            {
                new KeyValuePair<string, string>("未检", "0"),
                new KeyValuePair<string, string>("合格", "1"),
                new KeyValuePair<string, string>("不合格", "2"),
            });
            PopulateOptions(TestStatusOptions, testStatusOpts, new[]
            {
                new KeyValuePair<string, string>("送样", "0"),
                new KeyValuePair<string, string>("已批准", "1"),
            });
            PopulateOptions(PrintFlagOptions, printFlagOpts, new[]
            {
                new KeyValuePair<string, string>("未打印", "0"),
                new KeyValuePair<string, string>("已打印", "1"),
            });
            PopulateOptions(StockBalanceOptions, ynOpts, new[]
            {
                new KeyValuePair<string, string>("否", "0"),
                new KeyValuePair<string, string>("是", "1"),
            });
            PopulateOptions(IsSpecialAdoptionOptions, ynOpts, new[]
            {
                new KeyValuePair<string, string>("否", "0"),
                new KeyValuePair<string, string>("是", "1"),
            });
            PopulateOptions(StatusOptions, statusOpts, Array.Empty<KeyValuePair<string, string>>());
            ApplyDefaultEntryStatusForAdd();
            ApplyHiddenFieldDefaultsForAdd();
        }
        catch
        {
            FillFallbackOptions();
            ApplyDefaultEntryStatusForAdd();
            ApplyHiddenFieldDefaultsForAdd();
        }
    }

    private static void PopulateOptions(
        ObservableCollection<KeyValuePair<string, string>> target,
        IEnumerable<KeyValuePair<string, string>> items,
        IEnumerable<KeyValuePair<string, string>> fallback)
    {
        target.Clear();
        var list = items.ToList();
        foreach (var item in list.Count > 0 ? list : fallback.ToList())
            target.Add(item);
    }

    private void FillFallbackOptions()
    {
        PopulateOptions(TestResultOptions, Array.Empty<KeyValuePair<string, string>>(), new[]
        {
            new KeyValuePair<string, string>("未检", "0"),
            new KeyValuePair<string, string>("合格", "1"),
            new KeyValuePair<string, string>("不合格", "2"),
        });
        PopulateOptions(TestStatusOptions, Array.Empty<KeyValuePair<string, string>>(), new[]
        {
            new KeyValuePair<string, string>("送样", "0"),
            new KeyValuePair<string, string>("已批准", "1"),
        });
        PopulateOptions(PrintFlagOptions, Array.Empty<KeyValuePair<string, string>>(), new[]
        {
            new KeyValuePair<string, string>("未打印", "0"),
            new KeyValuePair<string, string>("已打印", "1"),
        });
        var ynDefault = new[] { new KeyValuePair<string, string>("否", "0"), new KeyValuePair<string, string>("是", "1") };
        PopulateOptions(StockBalanceOptions, Array.Empty<KeyValuePair<string, string>>(), ynDefault);
        PopulateOptions(IsSpecialAdoptionOptions, Array.Empty<KeyValuePair<string, string>>(), ynDefault);
    }

    protected async Task AutoGenerateBarcodeAsync(string materialCode)
    {
        IsGenerating = true;
        try
        {
            var code = await _entryService.GenerateBarcodeAsync(materialCode);
            if (!string.IsNullOrEmpty(code) && Entry != null)
            {
                Entry.Barcode  = code;
                Entry.BatchNo  = code;
                RaisePropertyChanged(nameof(Entry));
            }
        }
        finally { IsGenerating = false; }
    }

    public virtual void InitializeForAdd()
    {
        _selectedMaterial = null;
        RaisePropertyChanged(nameof(SelectedMaterial));
        RaisePropertyChanged(nameof(SelectedMaterialDisplay));
        RaisePropertyChanged(nameof(HasSelectedMaterial));
        Entry = new MesXslRawMaterialEntry
        {
            EntryTime = DateTime.Now,
            IsSpecialAdoption = "0"
        };
        InitializeSplitCodeDetailsFromEntry();
        ApplyDefaultEntryStatusForAdd();
        ApplyHiddenFieldDefaultsForAdd();
        RaisePropertyChanged(nameof(IsAddMode));
        RaisePropertyChanged(nameof(DialogTitle));
        RaisePropertyChanged(nameof(TotalWeightInput));
        RaisePropertyChanged(nameof(EntryTimeInput));
        RaisePropertyChanged(nameof(PalletTareTotalDisplay));
        RaisePropertyChanged(nameof(IsSpecialAdoptionValue));
        RaisePropertyChanged(nameof(SplitTotalPortionsDisplay));
        RaisePropertyChanged(nameof(SplitPortionWeightDisplay));
        RaisePropertyChanged(nameof(SplitPortionPackagesDisplay));
        RaisePropertyChanged(nameof(IsPrinted));
        RaisePropertyChanged(nameof(IsTotalWeightEditable));
        AddSplitDetailCommand.RaiseCanExecuteChanged();
    }

    public void InitializeForEdit(MesXslRawMaterialEntry entry)
    {
        Entry = new MesXslRawMaterialEntry
        {
            Id = entry.Id, Barcode = entry.Barcode, BatchNo = entry.BatchNo, EntryTime = entry.EntryTime,
            WeightRecordId = entry.WeightRecordId, BillNo = entry.BillNo,
            MaterialId = entry.MaterialId, MaterialCode = entry.MaterialCode, MaterialName = entry.MaterialName,
            SupplyCustomer = entry.SupplyCustomer, SupplierId = entry.SupplierId, SupplierName = entry.SupplierName,
            ManufacturerMaterialName = entry.ManufacturerMaterialName,
            ShelfLife = entry.ShelfLife, TotalWeight = entry.TotalWeight, PalletTareTotal = entry.PalletTareTotal,
            TotalPortions = entry.TotalPortions,
            PortionWeight = entry.PortionWeight,
            PortionPackagingTare = entry.PortionPackagingTare,
            PortionPalletWeight = entry.PortionPalletWeight,
            PortionTareStrategyIds = entry.PortionTareStrategyIds,
            PortionPackages = entry.PortionPackages,
            PortionWarehouseLocations = entry.PortionWarehouseLocations,
            PortionDetailIds = entry.PortionDetailIds,
            PortionCardFlags = entry.PortionCardFlags,
            TestResult = entry.TestResult, TestStatus = entry.TestStatus, PrintFlag = entry.PrintFlag,
            StockBalance = entry.StockBalance, WarehouseLocation = entry.WarehouseLocation,
            UnloadOperator = entry.UnloadOperator, IsSpecialAdoption = entry.IsSpecialAdoption,
            SpecialAdoptionOperator = entry.SpecialAdoptionOperator, SpecialAdoptionTime = entry.SpecialAdoptionTime,
            SpecialAdoptionReason = entry.SpecialAdoptionReason, Status = entry.Status, Remark = entry.Remark,
            TenantId = entry.TenantId,
        };
        InitializeSplitCodeDetailsFromEntry();

        // 若物料列表已加载则直接回填，否则记录 pending 等加载完后回填
        if (MaterialOptions.Count > 0)
        {
            _selectedMaterial = MaterialOptions.FirstOrDefault(m =>
                string.Equals(m.Id, entry.MaterialId, StringComparison.OrdinalIgnoreCase));
            RaisePropertyChanged(nameof(SelectedMaterial));
            RaisePropertyChanged(nameof(SelectedMaterialDisplay));
            RaisePropertyChanged(nameof(HasSelectedMaterial));
        }
        else
        {
            _pendingMaterialId = entry.MaterialId;
        }

        RaisePropertyChanged(nameof(IsAddMode));
        RaisePropertyChanged(nameof(DialogTitle));
        RaisePropertyChanged(nameof(TotalWeightInput));
        RaisePropertyChanged(nameof(EntryTimeInput));
        RaisePropertyChanged(nameof(PalletTareTotalDisplay));
        RaisePropertyChanged(nameof(IsSpecialAdoptionValue));
        RaisePropertyChanged(nameof(SplitTotalPortionsDisplay));
        RaisePropertyChanged(nameof(SplitPortionWeightDisplay));
        RaisePropertyChanged(nameof(SplitPortionPackagesDisplay));
        RaisePropertyChanged(nameof(IsPrinted));
        RaisePropertyChanged(nameof(IsTotalWeightEditable));
        AddSplitDetailCommand.RaiseCanExecuteChanged();
    }

    /// <summary>校验并提交新增/编辑；不弹关闭、不执行独立页的 InitializeForAdd。成功时 Result=true。</summary>
    protected async Task<bool> PersistEntryCoreAsync()
    {
        if (Entry == null) return false;
        ApplySplitDetailsToEntry();
        ApplyDefaultEntryStatusForAdd();
        ApplyHiddenFieldDefaultsForAdd();

        var missing = new List<string>();
        if (string.IsNullOrWhiteSpace(Entry.MaterialId))   missing.Add("密炼物料");
        if (string.IsNullOrWhiteSpace(Entry.BillNo))       missing.Add("榜单号");
        if (string.IsNullOrWhiteSpace(Entry.UnloadOperator)) missing.Add("卸货人");
        if (string.IsNullOrWhiteSpace(Entry.SupplierName)) missing.Add("供应商名称");
        if (missing.Count > 0)
        {
            HandyControl.Controls.MessageBox.Warning($"以下必填项不能为空：{string.Join("、", missing)}");
            return false;
        }

        bool ok;
        if (IsAddMode)
        {
            ok = await _entryService.AddAsync(Entry);
            if (!ok) { HandyControl.Controls.MessageBox.Error("新增失败！"); return false; }
        }
        else
        {
            ok = await _entryService.EditAsync(Entry);
            if (!ok) { HandyControl.Controls.MessageBox.Error("编辑失败！"); return false; }
        }
        Result = ok;
        return true;
    }

    protected virtual async Task SaveAsync()
    {
        if (Entry == null) return;
        try
        {
            if (!await PersistEntryCoreAsync()) return;

            if (IsAddMode)
            {
                // 非模态轻提示，约 1 秒后自动消失（与独立页「保存并打印」时的体验一致）
                Growl.Success(new GrowlInfo
                {
                    Message = "保存成功",
                    ShowDateTime = false,
                    WaitTime = 1
                });
                if (CloseAction == null)
                {
                    // 独立新增页面：保存成功后自动清空表单，便于连续录入
                    InitializeForAdd();
                    return;
                }
            }

            CloseAction?.Invoke();
        }
        catch (Exception ex)
        {
            HandyControl.Controls.MessageBox.Error($"操作失败：{ex.Message}");
        }
    }

    private async Task OpenWeightRecordPickerAsync()
    {
        WeightRecordPickerDialogViewModel? pickerVm = null;
        bool confirmed;
        try
        {
            confirmed = await SuspendEmbeddedPrintPreviewAirspaceWhileAsync(() =>
                HandyControl.Controls.Dialog.Show<WeightRecordPickerDialogView>()
                    .Initialize<WeightRecordPickerDialogViewModel>(vm =>
                    {
                        pickerVm = vm;
                        vm.Initialize(Entry?.BillNo);
                    })
                    .GetResultAsync<bool>());
        }
        catch
        {
            return;
        }

        if (!confirmed || pickerVm?.SelectedRecord == null || Entry == null)
        {
            return;
        }

        var selected = pickerVm.SelectedRecord;
        Entry.WeightRecordId = selected.Id;
        Entry.BillNo = selected.BillNo;
        Entry.SupplierName = selected.SenderUnit;
        Entry.SupplierId = null;
        await ApplySupplierFromDisplayNameAsync(selected.SenderUnit);
        // 选择榜单后，自动把「剩余可入场量 = 净重 - 已入场重量」带入「总重」，
        // 用户仍可手动编辑；若净重为空则保留原值，避免误清空。
        if (selected.NetWeight.HasValue)
        {
            var entered = selected.EnteredWeight ?? 0d;
            var remaining = selected.NetWeight.Value - entered;
            // 已入场重量可能因数据异常超过净重；UI 不展示负数，强制夹到 0。
            Entry.TotalWeight = Math.Round(Math.Max(0d, remaining), 2);
        }
        RaisePropertyChanged(nameof(Entry));
        RaisePropertyChanged(nameof(TotalWeightInput));
        RaisePropertyChanged(nameof(EntryTimeInput));
        RaisePropertyChanged(nameof(PalletTareTotalDisplay));
        await RefreshAllRowsTareStrategyAsync();
    }

    /// <summary>
    /// 按供应商全称/简称反查 ID（榜单「发货单位」与手动填写的供应商名称均可用）。
    /// </summary>
    private async Task ApplySupplierFromDisplayNameAsync(string? displayName)
    {
        if (Entry == null || string.IsNullOrWhiteSpace(displayName))
        {
            return;
        }

        var supplier = await FindSupplierByDisplayNameAsync(displayName);
        if (supplier == null)
        {
            return;
        }

        Entry.SupplierId = supplier.Id;
        Entry.SupplierName = supplier.SupplierName
                             ?? supplier.SupplierShortName
                             ?? displayName.Trim();
        RaisePropertyChanged(nameof(Entry));
    }

    private async Task<MesXslSupplier?> FindSupplierByDisplayNameAsync(string? displayName)
    {
        if (string.IsNullOrWhiteSpace(displayName))
        {
            return null;
        }

        var name = displayName.Trim();
        try
        {
            var page = await _supplierService.PageAsync(1, 5000);
            var exact = page.Records.FirstOrDefault(s =>
                string.Equals(s.SupplierName?.Trim(), name, StringComparison.OrdinalIgnoreCase)
                || string.Equals(s.SupplierShortName?.Trim(), name, StringComparison.OrdinalIgnoreCase));
            if (exact != null)
            {
                return exact;
            }

            return page.Records.FirstOrDefault(s =>
                (s.SupplierName ?? "").Contains(name, StringComparison.OrdinalIgnoreCase)
                || (s.SupplierShortName ?? "").Contains(name, StringComparison.OrdinalIgnoreCase)
                || name.Contains(s.SupplierShortName ?? "", StringComparison.OrdinalIgnoreCase)
                || name.Contains(s.SupplierName ?? "", StringComparison.OrdinalIgnoreCase));
        }
        catch
        {
            return null;
        }
    }

    /// <summary>
    /// 皮重策略匹配前确保 SupplierId 已解析（榜单仅带出名称时补全 ID）。
    /// </summary>
    private async Task EnsureSupplierIdForTareMatchAsync()
    {
        if (Entry == null || !string.IsNullOrWhiteSpace(Entry.SupplierId))
        {
            return;
        }

        await ApplySupplierFromDisplayNameAsync(Entry.SupplierName);
    }

    /// <summary>
    /// 弹出「库区选择」弹窗，把选中的 AreaName 写回当前明细行的 WarehouseLocation。
    /// 入参 row：被点击的拆码明细行；为 null 直接 return（防御性）。
    /// </summary>
    private async Task OpenWarehouseAreaPickerAsync(RawMaterialSplitDetailItem? row)
    {
        if (row == null)
        {
            return;
        }

        WarehouseAreaPickerDialogViewModel? pickerVm = null;
        bool confirmed;
        try
        {
            confirmed = await SuspendEmbeddedPrintPreviewAirspaceWhileAsync(() =>
                HandyControl.Controls.Dialog.Show<WarehouseAreaPickerDialogView>()
                    .Initialize<WarehouseAreaPickerDialogViewModel>(vm =>
                    {
                        pickerVm = vm;
                        vm.Initialize(row.WarehouseLocation);
                    })
                    .GetResultAsync<bool>());
        }
        catch (Exception ex)
        {
            // 保留 Debug 输出以便排查，但不阻断流程
            System.Diagnostics.Debug.WriteLine($"[库位选择] 弹窗异常: {ex}");
            return;
        }

        if (!confirmed || pickerVm?.SelectedRecord == null)
        {
            return;
        }

        // 仅回填库区名称（与后端 warehouse_location 字段保持单字符串语义）。
        // 如未来需要严格关联库区 ID，可在 RawMaterialSplitDetailItem 新增 WarehouseAreaId 一并保存。
        row.WarehouseLocation = pickerVm.SelectedRecord.AreaName;
    }

    private async Task OpenMaterialPickerAsync()
    {
        RawMaterialEntryMaterialPickerDialogViewModel? pickerVm = null;
        bool confirmed;
        try
        {
            confirmed = await SuspendEmbeddedPrintPreviewAirspaceWhileAsync(() =>
                HandyControl.Controls.Dialog.Show<RawMaterialEntryMaterialPickerDialogView>()
                    .Initialize<RawMaterialEntryMaterialPickerDialogViewModel>(vm =>
                    {
                        pickerVm = vm;
                        vm.Initialize(Entry?.MaterialCode, Entry?.MaterialName);
                    })
                    .GetResultAsync<bool>());
        }
        catch
        {
            return;
        }

        if (!confirmed || pickerVm?.SelectedMaterial == null)
        {
            return;
        }

        SelectedMaterial = pickerVm.SelectedMaterial;
    }

    private void ClearMaterialSelection()
    {
        _selectedMaterial = null;
        RaisePropertyChanged(nameof(SelectedMaterial));
        RaisePropertyChanged(nameof(SelectedMaterialDisplay));
        RaisePropertyChanged(nameof(HasSelectedMaterial));

        if (Entry == null)
        {
            return;
        }

        Entry.MaterialId = null;
        Entry.MaterialCode = null;
        Entry.MaterialName = null;
        Entry.ManufacturerMaterialName = null;
        Entry.ShelfLife = null;
        RaisePropertyChanged(nameof(Entry));
    }

    private void ClearWeightRecordSelection()
    {
        if (Entry == null)
        {
            return;
        }

        Entry.WeightRecordId = null;
        Entry.BillNo = null;
        Entry.SupplierId = null;
        Entry.SupplierName = null;
        RaisePropertyChanged(nameof(Entry));
        _ = RefreshAllRowsTareStrategyAsync();
    }

    private async Task OpenSupplierPickerAsync()
    {
        SupplierPickerDialogViewModel? pickerVm = null;
        bool confirmed;
        try
        {
            confirmed = await SuspendEmbeddedPrintPreviewAirspaceWhileAsync(() =>
                HandyControl.Controls.Dialog.Show<SupplierPickerDialogView>()
                    .Initialize<SupplierPickerDialogViewModel>(vm => pickerVm = vm)
                    .GetResultAsync<bool>());
        }
        catch { return; }

        if (!confirmed || pickerVm?.SelectedSupplier == null || Entry == null) return;

        var selected = pickerVm.SelectedSupplier;
        Entry.SupplierId = selected.Id;
        Entry.SupplierName = selected.SupplierName;
        RaisePropertyChanged(nameof(Entry));
        await RefreshAllRowsTareStrategyAsync();
    }

    private void ClearSupplierSelection()
    {
        if (Entry == null) return;
        Entry.SupplierId = null;
        Entry.SupplierName = null;
        RaisePropertyChanged(nameof(Entry));
        _ = RefreshAllRowsTareStrategyAsync();
    }

    private async Task RefreshAllRowsTareStrategyAsync()
    {
        if (_suppressTareStrategyRefresh) return;
        await EnsureSupplierIdForTareMatchAsync();
        foreach (var row in SplitCodeDetails.ToList())
        {
            if (!row.IsManualTareStrategy)
                await ApplyAutoTareStrategyToRowAsync(row);
        }
    }

    private async Task ApplyAutoTareStrategyToRowAsync(RawMaterialSplitDetailItem row)
    {
        if (_suppressTareStrategyRefresh || row.IsManualTareStrategy || row.HasCard) return;

        try
        {
            var strategies = await _tareStrategyService.GetAllForMatchAsync();
            var match = MixerMaterialTareStrategyMatcher.PickBestMatch(
                strategies,
                Entry?.MaterialId,
                Entry?.SupplierId,
                Entry?.EntryTime,
                row.PortionWeight);
            ApplyTareStrategyToRow(row, match, manual: false);
        }
        catch
        {
            ApplyTareStrategyToRow(row, null, manual: false);
        }

        RaisePalletTareTotalChanged();
    }

    private void ApplyTareStrategyToRow(
        RawMaterialSplitDetailItem row,
        MesXslMixerMaterialTareStrategy? strategy,
        bool manual)
    {
        if (strategy == null)
        {
            row.PackagingTare = 0d;
            row.PalletWeight = 0d;
            row.TareStrategyId = null;
            row.TareStrategyDisplay = "未匹配(0)";
        }
        else
        {
            row.PackagingTare = strategy.TareWeight.HasValue ? (double)strategy.TareWeight.Value : 0d;
            row.PalletWeight = strategy.PalletWeight.HasValue ? (double)strategy.PalletWeight.Value : 0d;
            row.TareStrategyId = strategy.Id;
            row.TareStrategyDisplay = BuildTareStrategyDisplay(strategy);
        }

        row.IsManualTareStrategy = manual && strategy != null;
    }

    private static string BuildTareStrategyDisplay(MesXslMixerMaterialTareStrategy strategy)
    {
        var spec = string.IsNullOrWhiteSpace(strategy.MaterialSpec) ? "-" : strategy.MaterialSpec;
        var pkg = strategy.TareWeight?.ToString("0.##") ?? "0";
        var pallet = strategy.PalletWeight?.ToString("0.##") ?? "0";
        return $"规格:{spec} 包装:{pkg} 托盘:{pallet}";
    }

    private async Task OpenTareStrategyPickerAsync(RawMaterialSplitDetailItem? row)
    {
        if (row == null || row.HasCard) return;
        if (string.IsNullOrWhiteSpace(Entry?.MaterialId))
        {
            HandyControl.Controls.MessageBox.Warning("请先选择密炼物料！");
            return;
        }

        await EnsureSupplierIdForTareMatchAsync();
        if (string.IsNullOrWhiteSpace(Entry?.SupplierId))
        {
            HandyControl.Controls.MessageBox.Warning("未能匹配到供应商档案，请手动选择供应商，或检查榜单发货单位是否与供应商简称/全称一致！");
            return;
        }

        TareStrategyPickerDialogViewModel? pickerVm = null;
        bool confirmed;
        try
        {
            confirmed = await SuspendEmbeddedPrintPreviewAirspaceWhileAsync(async () =>
            {
                return await HandyControl.Controls.Dialog.Show<TareStrategyPickerDialogView>()
                    .Initialize<TareStrategyPickerDialogViewModel>(vm =>
                    {
                        pickerVm = vm;
                        vm.Initialize(Entry!.MaterialId, Entry.SupplierId, Entry.EntryTime, row.PortionWeight, row.TareStrategyId);
                    })
                    .GetResultAsync<bool>();
            });
        }
        catch { return; }

        if (!confirmed) return;
        if (pickerVm?.SelectedStrategy == null)
        {
            row.IsManualTareStrategy = false;
            await ApplyAutoTareStrategyToRowAsync(row);
            return;
        }

        ApplyTareStrategyToRow(row, pickerVm.SelectedStrategy, manual: true);
        RaisePalletTareTotalChanged();
    }

    private async Task ResetTareStrategyAsync(RawMaterialSplitDetailItem? row)
    {
        if (row == null || row.HasCard) return;
        row.IsManualTareStrategy = false;
        await ApplyAutoTareStrategyToRowAsync(row);
    }

    private void RaisePalletTareTotalChanged() => RaisePropertyChanged(nameof(PalletTareTotalDisplay));

    private void RecalculateShelfLife(MesMixerMaterial? material)
    {
        if (Entry == null || material?.ShelfLifeDays == null || material.ShelfLifeDays <= 0)
        {
            return;
        }

        Entry.ShelfLife = DateTime.Now.Date.AddDays(material.ShelfLifeDays.Value).ToString("yyyy-MM-dd");
    }

    protected void ApplyDefaultEntryStatusForAdd()
    {
        if (!IsAddMode || Entry == null || !string.IsNullOrWhiteSpace(Entry.Status))
        {
            return;
        }

        var pending = StatusOptions.FirstOrDefault(x =>
            string.Equals(x.Key?.Trim(), "待处理", StringComparison.OrdinalIgnoreCase));
        if (!string.IsNullOrWhiteSpace(pending.Value))
        {
            Entry.Status = pending.Value;
            return;
        }

        // 字典未就绪时使用常见默认值
        Entry.Status = "0";
    }

    /// <summary>
    /// 新增模式下为已在前端隐藏的字段补充默认值，确保保存到后端时不为空：
    /// 检测结果=未检、打印标记=未打印、入库结存=否。
    /// 字典就绪时取字典 code，未就绪时回退到约定的常用 code。
    /// </summary>
    protected void ApplyHiddenFieldDefaultsForAdd()
    {
        if (!IsAddMode || Entry == null)
        {
            return;
        }

        if (string.IsNullOrWhiteSpace(Entry.TestResult))
        {
            Entry.TestResult = ResolveDefaultOptionValue(TestResultOptions, "未检", "0");
        }

        if (string.IsNullOrWhiteSpace(Entry.PrintFlag))
        {
            Entry.PrintFlag = ResolveDefaultOptionValue(PrintFlagOptions, "未打印", "0");
        }
        if (string.IsNullOrWhiteSpace(Entry.StockBalance))
        {
            Entry.StockBalance = ResolveDefaultOptionValue(StockBalanceOptions, "否", "0");
        }

        RaisePropertyChanged(nameof(Entry));
    }

    /// <summary>在字典选项中按 Key（显示标签）查找对应 Value（实际 code），找不到则回退到 fallback。</summary>
    private static string ResolveDefaultOptionValue(
        ObservableCollection<KeyValuePair<string, string>> options,
        string keyLabel,
        string fallbackValue)
    {
        var match = options.FirstOrDefault(x =>
            string.Equals(x.Key?.Trim(), keyLabel, StringComparison.OrdinalIgnoreCase));
        return !string.IsNullOrWhiteSpace(match.Value) ? match.Value : fallbackValue;
    }

    protected void InitializeSplitCodeDetailsFromEntry()
    {
        _suppressTareStrategyRefresh = true;
        try
        {
            SplitCodeDetails.Clear();

            var portionsArr = SplitJoinedValues(Entry?.TotalPortions);
            var weightArr = SplitJoinedValues(Entry?.PortionWeight);
            var packagingTareArr = SplitJoinedValues(Entry?.PortionPackagingTare);
            var palletWeightArr = SplitJoinedValues(Entry?.PortionPalletWeight);
            var strategyIdsArr = SplitJoinedValues(Entry?.PortionTareStrategyIds);
            var packagesArr = SplitJoinedValues(Entry?.PortionPackages);
            var locationsArr = SplitJoinedValues(Entry?.PortionWarehouseLocations);
            var idsArr = SplitJoinedValues(Entry?.PortionDetailIds);
            var cardFlagsArr = SplitJoinedValues(Entry?.PortionCardFlags);
            var fallbackToPrintFlag = cardFlagsArr.Length == 0
                                      && string.Equals(Entry?.PrintFlag, "1", StringComparison.Ordinal);
            var rowCount = Math.Max(1, Math.Max(Math.Max(portionsArr.Length, weightArr.Length),
                                                Math.Max(Math.Max(packagesArr.Length, locationsArr.Length), idsArr.Length)));

            for (var i = 0; i < rowCount; i++)
            {
                var locationFromArr = GetAt(locationsArr, i);
                var locationFallback = (i == 0 && string.IsNullOrWhiteSpace(locationFromArr))
                    ? Entry?.WarehouseLocation
                    : locationFromArr;

                var strategyId = GetAt(strategyIdsArr, i);
                var item = new RawMaterialSplitDetailItem
                {
                    Portions = TryParseInt(GetAt(portionsArr, i)),
                    PortionWeight = TryParseDouble(GetAt(weightArr, i)),
                    PortionPackages = TryParseInt(GetAt(packagesArr, i)),
                    WarehouseLocation = locationFallback,
                    PackagingTare = TryParseDouble(GetAt(packagingTareArr, i)) ?? 0d,
                    PalletWeight = TryParseDouble(GetAt(palletWeightArr, i)) ?? 0d,
                    TareStrategyId = strategyId,
                    IsManualTareStrategy = !string.IsNullOrWhiteSpace(strategyId),
                };
                item.TareStrategyDisplay = string.IsNullOrWhiteSpace(strategyId)
                    ? "未匹配(0)"
                    : $"策略ID:{strategyId}";

                var existingId = GetAt(idsArr, i);
                if (!string.IsNullOrWhiteSpace(existingId))
                    item.Id = existingId;

                var flagAt = GetAt(cardFlagsArr, i);
                if (!string.IsNullOrWhiteSpace(flagAt))
                    item.HasCard = string.Equals(flagAt, "1", StringComparison.Ordinal);
                else if (fallbackToPrintFlag && !string.IsNullOrWhiteSpace(existingId))
                    item.HasCard = true;

                SplitCodeDetails.Add(item);
            }

            RaisePropertyChanged(nameof(SplitCodeTableHeight));
            RaisePalletTareTotalChanged();
        }
        finally
        {
            _suppressTareStrategyRefresh = false;
        }
    }

    private static string[] SplitJoinedValues(string? value)
    {
        if (string.IsNullOrWhiteSpace(value)) return Array.Empty<string>();
        return value
            .Split('/', StringSplitOptions.RemoveEmptyEntries)
            .Select(x => x.Trim())
            .Where(x => x.Length > 0)
            .ToArray();
    }

    private static string? GetAt(string[] arr, int index) => index < arr.Length ? arr[index] : null;

    private static int? TryParseInt(string? text)
        => int.TryParse(text, NumberStyles.Integer, CultureInfo.InvariantCulture, out var v) ? v : null;

    private static double? TryParseDouble(string? text)
        => double.TryParse(text, NumberStyles.Float, CultureInfo.InvariantCulture, out var v) ? v : null;

    private void AddSplitDetailRow()
    {
        var row = new RawMaterialSplitDetailItem();
        SplitCodeDetails.Add(row);
        RaisePropertyChanged(nameof(SplitCodeTableHeight));
        _ = ApplyAutoTareStrategyToRowAsync(row);
    }

    private void RemoveSplitDetailRow(RawMaterialSplitDetailItem? item)
    {
        if (item == null)
        {
            return;
        }

        SplitCodeDetails.Remove(item);
        if (SplitCodeDetails.Count == 0)
        {
            SplitCodeDetails.Add(new RawMaterialSplitDetailItem());
        }
        RaisePropertyChanged(nameof(SplitCodeTableHeight));
    }

    private void OnSplitCodeDetailsCollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
    {
        if (e.OldItems != null)
        {
            foreach (var oldItem in e.OldItems.OfType<RawMaterialSplitDetailItem>())
            {
                oldItem.PropertyChanged -= OnSplitDetailItemPropertyChanged;
            }
        }

        if (e.NewItems != null)
        {
            foreach (var newItem in e.NewItems.OfType<RawMaterialSplitDetailItem>())
            {
                newItem.PropertyChanged += OnSplitDetailItemPropertyChanged;
            }
        }

        RaiseSplitDisplayPropertyChanged();
        RaisePropertyChanged(nameof(SplitCodeTableHeight));
    }

    private void OnSplitDetailItemPropertyChanged(object? sender, PropertyChangedEventArgs e)
    {
        // 用户修改某行的「份数」时：仅当该行「每份重量」为空才按公式自动计算
        if (e.PropertyName == nameof(RawMaterialSplitDetailItem.Portions)
            && sender is RawMaterialSplitDetailItem row)
        {
            RecalculatePortionWeightForRow(row);
        }

        if (e.PropertyName == nameof(RawMaterialSplitDetailItem.PortionWeight)
            && sender is RawMaterialSplitDetailItem weightRow)
        {
            // 清空每份重量后，若份数已填则立即按公式重算（配合 PortionWeightText 空值绑定）
            if (!weightRow.PortionWeight.HasValue)
            {
                RecalculatePortionWeightForRow(weightRow);
            }

            if (!weightRow.IsManualTareStrategy && !weightRow.HasCard)
            {
                _ = ApplyAutoTareStrategyToRowAsync(weightRow);
            }
        }

        if (e.PropertyName is nameof(RawMaterialSplitDetailItem.Portions)
            or nameof(RawMaterialSplitDetailItem.PortionWeight)
            or nameof(RawMaterialSplitDetailItem.PortionPackages)
            or nameof(RawMaterialSplitDetailItem.PackagingTare)
            or nameof(RawMaterialSplitDetailItem.PalletWeight))
        {
            RaiseSplitDisplayPropertyChanged();
        }
    }

    /// <summary>
    /// 拆码明细某行的「份数」变化时，仅当该行「每份重量」为空时按公式重算：
    /// 公式：每份重量 = (总重 - 其他行 Σ份数×每份重量) / 当前行份数
    /// — 已填写「每份重量」后再改份数，不覆盖用户输入；
    /// — 总重为空 / ≤0、当前份数 ≤0、剩余总重 ≤0 时跳过；
    /// — 结果四舍五入到两位小数。
    /// </summary>
    private void RecalculatePortionWeightForRow(RawMaterialSplitDetailItem row)
    {
        if (row.PortionWeight.HasValue)
        {
            return;
        }

        if (Entry?.TotalWeight is not { } total || total <= 0d)
        {
            return;
        }
        if (row.Portions is not { } portions || portions <= 0)
        {
            return;
        }

        var otherSum = 0d;
        foreach (var other in SplitCodeDetails)
        {
            if (ReferenceEquals(other, row)) continue;
            if (other.Portions is not { } op || other.PortionWeight is not { } ow) continue;
            otherSum += op * ow;
        }

        var remaining = total - otherSum;
        if (remaining <= 0d)
        {
            return;
        }

        row.PortionWeight = Math.Round(remaining / portions, 2);
    }

    private void RaiseSplitDisplayPropertyChanged()
    {
        RaisePropertyChanged(nameof(SplitTotalPortionsDisplay));
        RaisePropertyChanged(nameof(SplitPortionWeightDisplay));
        RaisePropertyChanged(nameof(SplitPortionPackagesDisplay));
        RaisePalletTareTotalChanged();
    }

    private string JoinSplitValue(Func<RawMaterialSplitDetailItem, string?> selector, bool withTrailingSlash)
    {
        var values = SplitCodeDetails
            .Select(selector)
            .Where(x => !string.IsNullOrWhiteSpace(x))
            .Select(x => x!.Trim())
            .ToList();
        if (values.Count == 0)
        {
            return string.Empty;
        }

        var joined = string.Join("/", values);
        return withTrailingSlash ? $"{joined}/" : joined;
    }

    private static string? FormatNullableDecimal(double? value)
    {
        if (!value.HasValue)
        {
            return null;
        }

        return value.Value.ToString("0.##", CultureInfo.InvariantCulture);
    }

    /// <summary>
    /// 把 SplitCodeDetails 全部明细行的「份数 / 每份重量 / 每份包数 / 库位 / 行 ID」按 "x/y/z/" 拼接后持久化到 Entry。
    /// 明细行的「库位」属于行级数据（用于后续生成原材料卡片时区分库位），与 Entry.WarehouseLocation
    /// （基础资料整票级单值）独立保存，通过 portion_warehouse_locations 字段持久化。
    /// 子类（如 OperationViewModel 的「重新拆码」）需要直接调用，因此声明为 protected。
    /// </summary>
    protected void ApplySplitDetailsToEntry()
    {
        if (Entry == null) return;

        Entry.TotalPortions = JoinSplitValue(it => it.Portions?.ToString(CultureInfo.InvariantCulture), true);
        Entry.PortionWeight = JoinSplitValue(it => FormatNullableDecimal(it.PortionWeight), true);
        Entry.PortionPackagingTare = JoinSplitValue(it => FormatNullableDecimal(it.PackagingTare), true);
        Entry.PortionPalletWeight = JoinSplitValue(it => FormatNullableDecimal(it.PalletWeight), true);
        Entry.PortionTareStrategyIds = JoinSplitValue(
            it => it.IsManualTareStrategy && !string.IsNullOrWhiteSpace(it.TareStrategyId) ? it.TareStrategyId : null,
            true);
        Entry.PortionPackages = JoinSplitValue(it => it.PortionPackages?.ToString(CultureInfo.InvariantCulture), true);
        Entry.PortionWarehouseLocations = JoinSplitValue(it => string.IsNullOrWhiteSpace(it.WarehouseLocation) ? null : it.WarehouseLocation.Trim(), true);
        // 持久化每行 GUID，行序与上方四个字段对齐；JoinSplitValue 会过滤空，但 Id 在构造时即生成不会为空。
        Entry.PortionDetailIds = JoinSplitValue(it => it.Id, true);
        // 持久化每行的「已生成卡片」标志（1=已生成 0=未生成），
        // 用于解决「保存后新增行被误判为已打印」的问题：
        // 「生成原材料卡片」只对 HasCard=false 的行加卡 → 必须把真实的 HasCard 持久化，
        // 否则重新加载后无法区分「已生成」与「保存后新增的未生成行」。
        Entry.PortionCardFlags = JoinSplitValue(it => it.HasCard ? "1" : "0", true);
        Entry.PalletTareTotal = PalletTareTotalDisplay;
    }

    private double CalculateSplitCodeTableHeight()
    {
        // 与拆码明细 XAML 行高保持一致：表头 40px、数据行 44px
        const double headerHeight = 40d;
        const double rowHeight = 44d;
        const double framePadding = 16d;
        const double minRows = 1d;
        const double maxRows = 6d;
        var rowCount = Math.Clamp(SplitCodeDetails.Count, (int)minRows, (int)maxRows);
        return headerHeight + rowCount * rowHeight + framePadding;
    }
}

public class RawMaterialSplitDetailItem : BindableBase
{
    /// <summary>
    /// 拆码明细行 ID（GUID，构造时生成）。前端隐藏；
    /// 「生成原材料卡片」时由桌面端写入对应 MesXslRawMaterialCard.SplitDetailId；
    /// 「重新拆码」时按入场记录的 PortionDetailIds 反查批删关联卡片。
    /// 编辑回填时若 portion_detail_ids 已有该位置的值，会覆盖默认值，确保跨次保持稳定。
    /// </summary>
    public string Id { get; set; } = Guid.NewGuid().ToString("N");

    private int? _portions;
    public int? Portions
    {
        get => _portions;
        set => SetProperty(ref _portions, value);
    }

    private double? _portionWeight;
    public double? PortionWeight
    {
        get => _portionWeight;
        set
        {
            if (SetProperty(ref _portionWeight, value))
            {
                RaisePropertyChanged(nameof(PortionWeightText));
            }
        }
    }

    /// <summary>
    /// 每份重量文本（供 TextBox 绑定；空字符串表示未填写，避免 double? 直接绑定无法清空）。
    /// </summary>
    public string PortionWeightText
    {
        get => _portionWeight.HasValue
            ? _portionWeight.Value.ToString("0.##", CultureInfo.InvariantCulture)
            : string.Empty;
        set
        {
            var text = value?.Trim() ?? string.Empty;
            if (string.IsNullOrEmpty(text))
            {
                PortionWeight = null;
                return;
            }

            if (double.TryParse(text, NumberStyles.Float, CultureInfo.InvariantCulture, out var parsed))
            {
                PortionWeight = parsed;
            }
        }
    }

    private int? _portionPackages;
    public int? PortionPackages
    {
        get => _portionPackages;
        set => SetProperty(ref _portionPackages, value);
    }

    private string? _warehouseLocation;
    public string? WarehouseLocation
    {
        get => _warehouseLocation;
        set => SetProperty(ref _warehouseLocation, value);
    }

    private double? _packagingTare;
    public double? PackagingTare
    {
        get => _packagingTare;
        set => SetProperty(ref _packagingTare, value);
    }

    private double? _palletWeight;
    public double? PalletWeight
    {
        get => _palletWeight;
        set => SetProperty(ref _palletWeight, value);
    }

    private string? _tareStrategyId;
    public string? TareStrategyId
    {
        get => _tareStrategyId;
        set => SetProperty(ref _tareStrategyId, value);
    }

    private string? _tareStrategyDisplay = "未匹配(0)";
    public string? TareStrategyDisplay
    {
        get => _tareStrategyDisplay;
        set => SetProperty(ref _tareStrategyDisplay, value);
    }

    private bool _isManualTareStrategy;
    /// <summary>用户手动选择皮重策略后为 true，自动匹配不再覆盖。</summary>
    public bool IsManualTareStrategy
    {
        get => _isManualTareStrategy;
        set => SetProperty(ref _isManualTareStrategy, value);
    }

    /// <summary>
    /// 该行是否已生成原材料卡片（运行时状态，不直接持久化）。
    /// 加载时根据 Entry.PrintFlag + Id 是否来自持久化的 PortionDetailIds 推断；
    /// 「生成原材料卡片」成功后由 VM 置为 true；「重新拆码」清空集合时随之失效。
    /// true → 行内输入项 / 删除 全部锁定，避免与已生成卡片数据脱节；
    /// false → 该行参与下次「生成原材料卡片」（继续拆码 + 续号生成）。
    /// </summary>
    private bool _hasCard;
    public bool HasCard
    {
        get => _hasCard;
        set => SetProperty(ref _hasCard, value);
    }
}