using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq.Expressions;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Sln.Wcs.Model.Domain;
using Sln.Wcs.Repository.service;
using Sln.Wcs.UI.ViewModels.Base;
using Sln.Wcs.UI.Views.Base;

namespace Sln.Wcs.UI.ViewModels.Base;

public partial class StoreInfoViewModel : CrudPageViewModel<BaseStoreInfo>
{
    private readonly IBaseLocationInfoService _locationService;
    private BaseStoreInfo? _currentStore;

    [ObservableProperty]
    private bool _isPanelOpen;

    [ObservableProperty]
    private ObservableCollection<BaseLocationInfo> _storeLocations = new();

    [ObservableProperty]
    private string _slidePanelTitle = string.Empty;

    public StoreInfoViewModel(IBaseStoreInfoService service, IBaseLocationInfoService locationService) : base(service)
    {
        _locationService = locationService;
        PageTitle = "仓库信息管理";
    }

    public override List<FieldConfig> FieldConfigs => new()
    {
        new() { PropertyName = "storeCode", DisplayName = "仓库编号", IsRequired = true },
        new() { PropertyName = "storeName", DisplayName = "仓库名称" },
        new() { PropertyName = "storeType", DisplayName = "仓库类型", FieldType = FieldType.Number },
        new() { PropertyName = "isFlag", DisplayName = "启用", FieldType = FieldType.CheckBox },
        new() { PropertyName = "remark", DisplayName = "备注" },
    };

    protected override Expression<Func<BaseStoreInfo, bool>>? BuildSearchExpression(string search)
        => x => x.storeCode.Contains(search) || (x.storeName != null && x.storeName.Contains(search));

    public override Avalonia.Controls.Control CreateView() => new Sln.Wcs.UI.Views.Base.StoreInfoListView();

    public void LoadLocationsData(BaseStoreInfo store)
    {
        _currentStore = store;
        LoadLocations();
        SlidePanelTitle = $"库位列表 - {store.storeCode}";
    }

    [RelayCommand]
    public void ClosePanel()
    {
        IsPanelOpen = false;
    }

    [RelayCommand]
    private async System.Threading.Tasks.Task AddLocation()
    {
        if (_currentStore is null) return;
        var entity = new BaseLocationInfo { storeCode = _currentStore.storeCode };
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(entity, LocationFieldConfigs, false, GetMainWindow());
        if (result)
        {
            _locationService.Insert(entity);
            LoadLocations();
        }
    }

    public async System.Threading.Tasks.Task EditLocationAsync(BaseLocationInfo location)
    {
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(location, LocationFieldConfigs, true, GetMainWindow());
        if (result)
        {
            _locationService.Update(location);
            LoadLocations();
        }
    }

    public async System.Threading.Tasks.Task DeleteLocationAsync(BaseLocationInfo location)
    {
        var dlg = new Sln.Wcs.UI.Views.Base.ConfirmDialog();
        if (!await dlg.ShowDialog("确定要删除该库位吗？", GetMainWindow())) return;
        _locationService.DeleteById(location.objId);
        LoadLocations();
    }

    private void LoadLocations()
    {
        if (_currentStore is null) return;
        var list = _locationService.Query(x => x.storeCode == _currentStore.storeCode);
        for (int i = 0; i < list.Count; i++) list[i].RowIndex = i + 1;
        StoreLocations = new ObservableCollection<BaseLocationInfo>(list);
    }

    public List<FieldConfig> LocationFieldConfigs => new()
    {
        new() { PropertyName = "locationCode", DisplayName = "库位编号", IsRequired = true },
        new() { PropertyName = "storeCode", DisplayName = "仓库编号", IsRequired = true, IsReadOnly = true },
        new() { PropertyName = "locationName", DisplayName = "库位名称" },
        new() { PropertyName = "locationArea", DisplayName = "库位区域" },
        new() { PropertyName = "locationRows", DisplayName = "排", FieldType = FieldType.Number },
        new() { PropertyName = "locationColumns", DisplayName = "列", FieldType = FieldType.Number },
        new() { PropertyName = "locationLayers", DisplayName = "层", FieldType = FieldType.Number },
        new() { PropertyName = "locationStatus", DisplayName = "库位状态", FieldType = FieldType.Combo, Options = StandardOptions.LocationStatus },
        new() { PropertyName = "agvPosition", DisplayName = "AGV定位" },
        new() { PropertyName = "materialCode", DisplayName = "物料编号" },
        new() { PropertyName = "palletBarcode", DisplayName = "托盘条码" },
        new() { PropertyName = "stackCount", DisplayName = "库存数量" },
        new() { PropertyName = "isFlag", DisplayName = "启用", FieldType = FieldType.CheckBox },
        new() { PropertyName = "remark", DisplayName = "备注" },
    };

    private Avalonia.Controls.Window GetMainWindow()
    {
        return (Avalonia.Controls.Window)Avalonia.Application.Current!
            .ApplicationLifetime!.GetType()
            .GetProperty("MainWindow")!
            .GetValue(Avalonia.Application.Current.ApplicationLifetime)!;
    }
}