using System.Linq;

using Autodesk.Revit.UI;

using Nice3point.Revit.Toolkit.External.Handlers;

using Szmedi.RvKits.Assists;
using Szmedi.RvKits.InfoManager.Delivery;
using Szmedi.RvKits.Models;

namespace Szmedi.RvKits.InfoManager;

public partial class ArchiParamManagerViewModel : ObservableObject
{
    private readonly DapperUtil dapperUtil;
    private readonly ActionEventHandler handler;
    private readonly UIApplication uiapp;
    private readonly List<ParamData> paramsToAdd = new();

    [ObservableProperty]
    [NotifyCanExecuteChangedFor(nameof(AddParametersCommand))]
    private bool canAdd;
    /// <summary>
    /// 族参数
    /// </summary>
    [ObservableProperty]
    private bool isFamilyParam;
    /// <summary>
    /// 族参数（共享参数）
    /// </summary>
    [ObservableProperty]
    private bool isSharedFamilyParam;

    /// <summary>
    /// 共享参数绑定类别
    /// </summary>
    [ObservableProperty]
    private bool isSharedProjectParam = true;

    public List<SharedParameterData> ArchiSharedParams { get; set; }

    public List<TreeModel> Models { get; } = new List<TreeModel>();

    //public ParamManagerWin ParentWindow { get; set; }

    //public ArchiParamManagerViewModel(ParamManagerWin parentWindow)
    //{
    //    ParentWindow = parentWindow;
    //    dapperUtil = parentWindow.DapperUtil;
    //    var archiProperties = GetArchiProperties();
    //    ArchiSharedParams = GetArchiSharedParams();
    //    GenerateArchiTree(archiProperties);
    //    CanAdd = paramsToAdd.Any() && !ParentWindow.UiApplication.ActiveUIDocument.Document.IsFamilyDocument;
    //}
    public ArchiParamManagerViewModel(UIApplication uiapp, DapperUtil dapperUtil, ActionEventHandler handler)
    {
        this.dapperUtil = dapperUtil;
        this.handler = handler;
        this.uiapp = uiapp;
        var archiProperties = GetArchiProperties();
        ArchiSharedParams = GetArchiSharedParams();
        GenerateArchiTree(archiProperties);
        CanAdd = paramsToAdd.Any() && !uiapp.ActiveUIDocument.Document.IsFamilyDocument;
    }
    /// <summary>
    ///     建筑所有的属性
    /// </summary>
    private List<ArchiParamData> GetArchiProperties()
    {
        return dapperUtil.LoadModel<ArchiParamData>("archi_properties");
    }

    /// <summary>
    ///     建筑共享参数
    /// </summary>
    private List<SharedParameterData> GetArchiSharedParams()
    {
        return dapperUtil.LoadModel<SharedParameterData>("archi_shared_params");
    }

    private void GenerateArchiTree(IList<ArchiParamData> paramsData)
    {
        var majors = paramsData.GroupBy(param => param.Major);

        //专业
        foreach (var major in majors)
        {
            List<TreeModel> majorChildren = new();
            TreeModel majorTreeModel =
                new()
                {
                    Name = major.Key,
                    Icon = null,
                    IsChecked = false,
                    IsExpanded = false,
                    Children = majorChildren,
                    Tag = null
                };
            Models.Add(majorTreeModel);
            //构件
            var components = major.GroupBy(p => p.Component);
            foreach (IGrouping<string, ArchiParamData> component in components)
            {
                TreeModel componentTreeModel =
                    new()
                    {
                        Id = null,
                        Name = component.Key,
                        Icon = null,
                        IsExpanded = false,
                        Parent = null,
                        Children = null,
                        Tag = component.ToList()
                    };
                majorChildren.Add(componentTreeModel);
            }
        }
    }

    [RelayCommand(CanExecute = nameof(CanAdd))]
    private void AddParameters()
    {
        //ExternalEventRequest x = ExternalEventRequest.Denied;
        //KeyPressHelpers.SetFocusRVT();
        //KeyPressHelpers.keybd_event(0x1B, 0, 0, 0);
        //KeyPressHelpers.keybd_event(0x1B, 0, 2, 0);
        CommandAssists.ExitCurrentCommand();
        handler.Raise(
            uiapp =>
            {
                if (paramsToAdd.Any())
                {
                    var uidoc = uiapp.ActiveUIDocument;
                    var filePath = Path.Combine(GlobalVariables.DirAssembly, $"TempSharedParameters.txt");
                    if (IsSharedProjectParam)
                    {
                        ParameterHelpers.AddParameterElementsBinding(uidoc, paramsToAdd, ArchiSharedParams, filePath);
                    }
                    else
                    {
                        ParameterHelpers.AddFamilyParameters(uidoc, paramsToAdd, ArchiSharedParams, IsFamilyParam, filePath);
                    }
                }
            });
        //ParentWindow.AddParameterEventHandler.IsSharedProjectParam = IsSharedProjectParam;
        //ParentWindow.AddParameterEventHandler.IsFamilyParam = IsFamilyParam;
        //ParentWindow.AddParameterEventHandler.IsSharedFamilyParam = IsSharedFamilyParam;
        //ParentWindow.AddParameterEventHandler.ParametersToAdded = paramsToAdd;
        //ParentWindow.AddParameterEventHandler.SharedParameters = ArchiSharedParams;
        //ParentWindow.AddParameterEvent.Raise();

        //CanAdd = x != ExternalEventRequest.Accepted;
    }

    [RelayCommand]
    private void TreeItemChanged(object obj)
    {
        if (obj is List<ArchiParamData> paramters)
        {
            paramsToAdd.Clear();
            if (paramters.Any())
            {
                paramsToAdd.AddRange(paramters.Where(param => param.IsChecked == true));
            }
        }

        CanAdd = paramsToAdd.Any() && !uiapp.ActiveUIDocument.Document.IsFamilyDocument;
    }
}