using System.Reflection;
using System.Windows;

using AvalonDock.Themes;

using ICSharpCode.AvalonEdit.Highlighting;
using ICSharpCode.AvalonEdit.Highlighting.Xshd;

using Microsoft.CodeAnalysis.Differencing;

using RoslynPad.Editor;

using Szmedi.AIScriptRunner.Commands;
using Szmedi.AIScriptRunner.Services;
using Szmedi.AIScriptRunner.ViewModels;
using Szmedi.AIScriptRunner.Views;

namespace Szmedi.AIScriptRunner.RvScript
{
    /// <summary>
    /// Interaction logic for RoslynEditor.xaml
    /// </summary>
    public partial class RoslynEditor
    {
        private readonly AuthenticationService _auth = GlobalVariables.AuthenticationService;
        public RoslynEditor(RoslynEditorViewModel document)
        {
            InitializeComponent();
            DataContext = document;
        }

        private void CodeEditor_Loaded(object sender, RoutedEventArgs e)
        {
            var editor = (RoslynCodeEditor)sender;
            editor.Loaded -= CodeEditor_Loaded;
            editor.Focus();

            var viewModel = (RoslynEditorViewModel)DataContext;
            viewModel.CodeEditor = editor;
            var documentViewModel = (DocumentViewModel)editor.DataContext;
            var workingDirectory = Directory.GetCurrentDirectory();

            var documentId = editor.Initialize(viewModel.Host, new ClassificationHighlightColors(),
                workingDirectory, string.Empty);

            documentViewModel.Initialize(documentId);
            editor.Document.TextChanged += documentViewModel.OnTextChanged;
        }

        private void dockManager_DocumentClosing(object sender, AvalonDock.DocumentClosingEventArgs e)
        {
            e.Cancel = true;
            var documentViewModel = (DocumentViewModel)e.Document.Content;
            var viewModel = (RoslynEditorViewModel)DataContext;
            viewModel.Close(documentViewModel);
        }

        //private void Window_Closed(object sender, EventArgs e)
        //{

        //    AppDomain.CurrentDomain.AssemblyResolve -= ScriptRunnerCmd.CurrentDomain_AssemblyResolve;
        //}

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (dockManager.ActiveContent is DocumentViewModel viewModel && viewModel.IsDirty)
            {
                var mes = MessageBox.Show("有文件未保存，确定关闭吗？", "关闭", MessageBoxButton.YesNo, MessageBoxImage.Question);

                if (mes == MessageBoxResult.No)
                {
                    e.Cancel = true;
                }
                else
                {
                    AppDomain.CurrentDomain.AssemblyResolve -= ScriptRunnerCmd.CurrentDomain_AssemblyResolve;
                }
            }
        }
    }
}