using System;
using System.Windows;

using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

using Nice3point.Revit.Toolkit.External.Handlers;

namespace Szmedi.RvKits.DisplayTools;

/// <summary>
/// CategoryDisplayWin.xaml 的交互逻辑
/// </summary>
public partial class CategoryDisplayWin
{
    public bool IsChecked { get; set; }
    private readonly ActionEventHandler visibleHandler;
    public CategoryDisplayWin(UIApplication uiapp)
    {
        InitializeComponent();
        visibleHandler = new ActionEventHandler();
        UpdateCheckedState(uiapp.ActiveUIDocument.Document);
        uiapp.ViewActivated -= Uiapp_ViewActivated;
        uiapp.ViewActivated += Uiapp_ViewActivated;
        DataContext = this;
    }

    private void Uiapp_ViewActivated(object sender, Autodesk.Revit.UI.Events.ViewActivatedEventArgs e)
    {
        if (!e.Document.IsFamilyDocument)
        {
            UpdateCheckedState(e.Document);
        }
    }

    /// <summary>
    /// true为可见，false为不可见
    /// </summary>
    /// <param name="doc"></param>
    /// <param name="builtInCategories"></param>
    /// <returns></returns>
    public bool GetCheckedStatue(Document doc, params BuiltInCategory[] builtInCategories)
    {
        foreach (var builtInCategory in builtInCategories)
        {
            var category = Category.GetCategory(doc, builtInCategory);
            if (doc.ActiveView.GetCategoryHidden(category.Id))
            {
                return false;
            }
        }
        return true;
    }

    readonly BuiltInCategory[] wallCategory = [BuiltInCategory.OST_Walls];
    readonly BuiltInCategory[] beamCategory = [BuiltInCategory.OST_StructuralFraming];
    readonly BuiltInCategory[] floorCategory = [BuiltInCategory.OST_Floors];
    readonly BuiltInCategory[] columnsCategory = [
                    BuiltInCategory.OST_StructuralColumns,
                    BuiltInCategory.OST_Columns];
    readonly BuiltInCategory[] mechanicalCategory = [
                    BuiltInCategory.OST_DuctCurves,
                    BuiltInCategory.OST_DuctAccessory,
                    BuiltInCategory.OST_DuctFitting,
                    BuiltInCategory.OST_DuctInsulations,
                    BuiltInCategory.OST_DuctTerminal,
                    BuiltInCategory.OST_FlexDuctCurves,
                    BuiltInCategory.OST_PlaceHolderDucts,BuiltInCategory.OST_MechanicalEquipment];
    readonly BuiltInCategory[] pipingCategory = [
                    BuiltInCategory.OST_PipeCurves,
                    BuiltInCategory.OST_PipeFitting,
                    BuiltInCategory.OST_PipeAccessory,
                    BuiltInCategory.OST_PipeInsulations,
                    BuiltInCategory.OST_Sprinklers,
                    BuiltInCategory.OST_FlexPipeCurves,
                    BuiltInCategory.OST_PlaceHolderPipes,
                    BuiltInCategory.OST_PlumbingFixtures];
    readonly BuiltInCategory[] cabletrayCategory = [
                    BuiltInCategory.OST_CableTray,
                    BuiltInCategory.OST_CableTrayFitting,];
    readonly BuiltInCategory[] conduitCategory = [
                    BuiltInCategory.OST_Conduit,
                    BuiltInCategory.OST_ConduitFitting,];
    private void UpdateCheckedState(Document doc)
    {
        if (doc.ActiveView.ViewTemplateId != ElementId.InvalidElementId)
        {
            MessageBox.Show("当前视图已应用视图样板，无法修改其可见性", "提示");
            return;
        }
        WallBtn.IsChecked = GetCheckedStatue(doc, wallCategory);
        BeamBtn.IsChecked = GetCheckedStatue(doc, beamCategory);
        FloorBtn.IsChecked = GetCheckedStatue(doc, floorCategory);
        ColumnBtn.IsChecked = GetCheckedStatue(doc, columnsCategory);
        MechanicalBtn.IsChecked = GetCheckedStatue(doc, mechanicalCategory);
        PlumbingBtn.IsChecked = GetCheckedStatue(doc, pipingCategory);
        CableTrayBtn.IsChecked = GetCheckedStatue(doc, cabletrayCategory);
        ConduitBtn.IsChecked = GetCheckedStatue(doc, conduitCategory);
    }

    private void ToggleButton_OnClicked(object sender, RoutedEventArgs e)
    {
        if (sender is not System.Windows.Controls.Primitives.ToggleButton toggleButton)
        {
            return;
        }

        BuiltInCategory[] builtInCategories = [];
        switch (toggleButton.Content)
        {
            case "墙":
                builtInCategories = wallCategory;
                break;
            case "梁":
                builtInCategories = beamCategory;
                break;
            case "板":
                builtInCategories = floorCategory;
                break;
            case "柱":
                builtInCategories = columnsCategory;
                break;
            case "风":
                builtInCategories = mechanicalCategory;
                break;
            case "水":
                builtInCategories = pipingCategory;
                break;
            case "桥架":
                builtInCategories = cabletrayCategory;
                break;
            case "线管":
                builtInCategories = conduitCategory;
                break;
        }

        visibleHandler.Raise(
            (uiapp) =>
            {
                var uidoc = uiapp.ActiveUIDocument;
                var doc = uidoc.Document;
                if (doc.ActiveView.ViewTemplateId != ElementId.InvalidElementId)
                {
                    MessageBox.Show("当前视图已应用视图样板，无法修改其可见性", "提示");
                    return;
                }
                using Transaction trans = new(doc, "显示控制");
                trans.Start();
                foreach (var builtInCategory in builtInCategories)
                {
                    var categoryId = Category.GetCategory(doc, builtInCategory).Id;

                    uidoc.ActiveView.SetCategoryHidden(categoryId, toggleButton.IsChecked == false);
                }
                trans.Commit();
            }
        );
    }

    private void Win_OnClosing(object sender, System.ComponentModel.CancelEventArgs e)
    {
        visibleHandler.Raise(uiapp =>
        {
            uiapp.ViewActivated -= Uiapp_ViewActivated;
        });
    }
}