using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using GalaSoft.MvvmLight.Messaging;
using HandyControl.Data;
using HandyControl.Tools;
using HandyControl.Tools.Extension;
using HandyControlDemo.Data;
using HandyControlDemo.Tools;
using HandyControlDemo.ViewModel;
using ICSharpCode.AvalonEdit;


namespace HandyControlDemo.UserControl;

/// <summary>
///     主内容
/// </summary>
public partial class MainContent
{
    private bool _isFull;

    private string _currentDemoKey;

    private bool _drawerCodeUsed;

    private Dictionary<string, TextEditor> _textEditor;

    public MainContent()
    {
        InitializeComponent();

        Messenger.Default.Register<bool>(this, MessageToken.FullSwitch, FullSwitch);
        Messenger.Default.Register<SkinType>(this, MessageToken.SkinUpdated, SkinUpdated);
    }

    private void FullSwitch(bool isFull)
    {
        if (_isFull == isFull)
        {
            return;
        }

        _isFull = isFull;

        if (_isFull)
        {
            BorderRootEffect.Show();
            BorderEffect.Collapse();
            BorderTitle.Collapse();
            GridMain.HorizontalAlignment = HorizontalAlignment.Stretch;
            GridMain.VerticalAlignment = VerticalAlignment.Stretch;
            PresenterMain.Margin = new Thickness();
            BorderRoot.CornerRadius = new CornerRadius(10);
            BorderRoot.Style = ResourceHelper.GetResource<Style>("BorderClip");
        }
        else
        {
            BorderRootEffect.Collapse();
            BorderEffect.Show();
            BorderTitle.Show();
            GridMain.HorizontalAlignment = HorizontalAlignment.Center;
            GridMain.VerticalAlignment = VerticalAlignment.Center;
            PresenterMain.Margin = new Thickness(0, 0, 0, 10);
            BorderRoot.CornerRadius = new CornerRadius();
            BorderRoot.Style = null;
        }
    }

    private void SkinUpdated(SkinType skinType)
    {
        if (!_drawerCodeUsed)
        {
            return;
        }

        _textEditor[ConstString.Xaml].SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Xml);
        _textEditor[ConstString.Cs].SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Cs);
        _textEditor[ConstString.Vm].SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Cs);
    }

    private void InitTextEditor()
    {
        HighlightingProvider.Register(SkinType.Default, HighlightingProvider.Default);
        HighlightingProvider.Register(SkinType.Dark, new HighlightingProviderDark());
        HighlightingProvider.Register(SkinType.Violet, HighlightingProvider.Default);

        var textEditorCustomStyle = ResourceHelper.GetResource<Style>("TextEditorCustom");
        var skinType = GlobalData.Config.Skin;

        _textEditor = new Dictionary<string, TextEditor>
        {
            [ConstString.Xaml] = new()
            {
                Style = textEditorCustomStyle,
                SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Xml)
            },
            [ConstString.Cs] = new()
            {
                Style = textEditorCustomStyle,
                SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Cs)
            },
            [ConstString.Vm] = new()
            {
                Style = textEditorCustomStyle,
                SyntaxHighlighting = HighlightingProvider.GetDefinition(skinType, ConstString.Cs)
            }
        };

        BorderCode.Child = new TabControl
        {
            Style = ResourceHelper.GetResource<Style>("TabControl.PreviewCode"),
            Items =
            {
                new TabItem
                {
                    Header = ConstString.Xaml,
                    Content = _textEditor[ConstString.Xaml]
                },
                new TabItem
                {
                    Header = ConstString.Cs,
                    Content = _textEditor[ConstString.Cs]
                },
                new TabItem
                {
                    Header = ConstString.Vm,
                    Content = _textEditor[ConstString.Vm]
                }
            }
        };
    }

    private void UpdateTextEditor()
    {
        var typeKey = ViewModelLocator.Instance.Main.DemoInfoCurrent.Key;
        var demoKey = ViewModelLocator.Instance.Main.DemoItemCurrent.TargetCtlName;
        if (Equals(_currentDemoKey, demoKey))
        {
            return;
        }

        _currentDemoKey = demoKey;

        if (ViewModelLocator.Instance.Main.SubContent is FrameworkElement demoCtl)
        {
            var demoCtlTypeName = demoCtl.GetType().Name;
            var xamlPath = $"UserControl/{typeKey}/{demoCtlTypeName}.xaml";
            var dc = demoCtl.DataContext;
            var dcTypeName = dc.GetType().Name;
            var vmPath = !Equals(dcTypeName, demoCtlTypeName)
                ? $"ViewModel/{dcTypeName}"
                : xamlPath;

            _textEditor[ConstString.Xaml].Text = DemoHelper.GetCode(xamlPath);
            _textEditor[ConstString.Cs].Text = DemoHelper.GetCode($"{xamlPath}.cs");
            _textEditor[ConstString.Vm].Text = DemoHelper.GetCode($"{vmPath}.cs");
        }
    }

    private void DrawerCode_OnOpened(object sender, RoutedEventArgs e)
    {
        if (!_drawerCodeUsed)
        {
            InitTextEditor();
            _drawerCodeUsed = true;
        }

        UpdateTextEditor();
    }

    private static class ConstString
    {
        public const string Xaml = "XAML";

        public const string Vm = "VM";

        public const string Cs = "C#";

        public const string Xml = "XML";
    }
}