using System;
using System.Diagnostics;
using System.Text;
using System.Windows;
using System.Windows.Controls;

namespace DrillTools
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private MainWindowViewModel ViewModel => (MainWindowViewModel)DataContext;

        public MainWindow(string? initialFilePath = null)
        {
            //System.Diagnostics.Debug.WriteLine("=== MainWindow构造函数开始执行 ===");
            //System.Diagnostics.Debug.WriteLine($"参数 initialFilePath: {initialFilePath ?? "null"}");

            try
            {
                //System.Diagnostics.Debug.WriteLine("调用 InitializeComponent()...");
                InitializeComponent();
                //System.Diagnostics.Debug.WriteLine("InitializeComponent() 执行完成");

                //System.Diagnostics.Debug.WriteLine("创建 MainWindowViewModel...");
                var viewModel = new MainWindowViewModel();
                //System.Diagnostics.Debug.WriteLine("MainWindowViewModel 创建完成");

                //System.Diagnostics.Debug.WriteLine("设置 DataContext...");
                DataContext = viewModel;
                //System.Diagnostics.Debug.WriteLine("DataContext 设置完成");

                //System.Diagnostics.Debug.WriteLine("初始化拖放功能...");
                InitializeDragDrop();
                //System.Diagnostics.Debug.WriteLine("拖放功能初始化完成");

                // 设置默认置顶状态
                this.Topmost = viewModel.IsTopmost;
                //System.Diagnostics.Debug.WriteLine("置顶状态设置完成");

                // 如果有初始文件路径，在窗口加载完成后自动加载
                if (!string.IsNullOrEmpty(initialFilePath))
                {
                    //System.Diagnostics.Debug.WriteLine("注册文件加载事件...");
                    this.Loaded += (sender, e) => LoadInitialFile(initialFilePath, viewModel);
                    //System.Diagnostics.Debug.WriteLine("文件加载事件注册完成");
                }

                //System.Diagnostics.Debug.WriteLine("=== MainWindow构造函数执行完成 ===");
            }
            catch (Exception ex)
            {
                //System.Diagnostics.Debug.WriteLine($"MainWindow构造函数中发生异常: {ex.GetType().Name} - {ex.Message}");
                //System.Diagnostics.Debug.WriteLine($"异常堆栈: {ex.StackTrace}");
                throw;
            }
        }

        /// <summary>
        /// 加载初始文件
        /// </summary>
        /// <param name="filePath">文件路径</param>
        /// <param name="viewModel">视图模型</param>
        private async void LoadInitialFile(string filePath, MainWindowViewModel viewModel)
        {
            try
            {
                // 异步加载文件以避免阻塞UI
                await System.Threading.Tasks.Task.Run(() =>
                {
                    // 使用与现有代码相同的方式读取文件
                    var process = new System.Diagnostics.Process
                    {
                        StartInfo = new System.Diagnostics.ProcessStartInfo
                        {
                            FileName = "cmd.exe",
                            Arguments = $"/c type \"{filePath}\"",
                            RedirectStandardOutput = true,
                            UseShellExecute = false,
                            CreateNoWindow = true
                        }
                    };

                    process.Start();
                    string drillTapeContent = process.StandardOutput.ReadToEnd();
                    process.WaitForExit();

                    // 在UI线程中更新界面
                    this.Dispatcher.Invoke(() =>
                    {
                        try
                        {
                            // 保存原始文件路径
                            viewModel.OriginalFilePath = filePath;

                            // 加载钻带内容
                            viewModel.LoadToolsFromDrillTape(drillTapeContent);

                            // 显示成功提示
                            //System.Windows.MessageBox.Show(
                            //    $"已成功加载钻带文件：\n{System.IO.Path.GetFileName(filePath)}\n\n刀具数量：{viewModel.Tools.Count}把",
                            //    "文件加载完成",
                            //    System.Windows.MessageBoxButton.OK,
                            //    System.Windows.MessageBoxImage.Information);
                        }
                        catch (Exception ex)
                        {
                            System.Windows.MessageBox.Show(
                                $"加载钻带文件失败：\n{ex.Message}",
                                "错误",
                                System.Windows.MessageBoxButton.OK,
                                System.Windows.MessageBoxImage.Error);
                        }
                    });
                });
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show(
                    $"读取文件时发生错误：\n{ex.Message}",
                    "错误",
                    System.Windows.MessageBoxButton.OK,
                    System.Windows.MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 初始化拖放功能
        /// </summary>
        private void InitializeDragDrop()
        {
            DragDropHelper.EnableDragDrop<ToolItem>(ToolsListView, InsertionIndicator);
        }

        /// <summary>
        /// 加载示例数据按钮点击事件
        /// </summary>
        private void LoadSampleDataButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.LoadSampleData();
        }

        /// <summary>
        /// 加载钻带文件按钮点击事件
        /// </summary>
        private void LoadDrillTapeButton_Click(object sender, RoutedEventArgs e)
        {
            var openFileDialog = new Microsoft.Win32.OpenFileDialog
            {
                Filter = "钻带文件 (*.txt;*.drl;*.dr2;*.dpin)|*.txt;*.drl;*.dr2;*.dpin|所有文件 (*.*)|*.*",
                Title = "选择钻带文件"
            };

            if (openFileDialog.ShowDialog() == true)
            {
                try
                {
                    // 保存原始文件路径
                    ViewModel.OriginalFilePath = openFileDialog.FileName;

                    // 使用 cmd 命令读取加密钻带文件
                    var process = new Process
                    {
                        StartInfo = new ProcessStartInfo
                        {
                            FileName = "cmd.exe",
                            Arguments = $"/c type \"{openFileDialog.FileName}\"",
                            RedirectStandardOutput = true,
                            UseShellExecute = false,
                            CreateNoWindow = true
                        }
                    };

                    process.Start();
                    string drillTapeContent = process.StandardOutput.ReadToEnd();
                    process.WaitForExit();

                    ViewModel.LoadToolsFromDrillTape(drillTapeContent);
                }
                catch (Exception ex)
                {
                    System.Windows.MessageBox.Show($"加载钻带文件失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
        }

        /// <summary>
        /// 重排刀序按钮点击事件
        /// </summary>
        private void ReorderToolsButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                string reorderedDrillTape = ViewModel.ReorderAndRenumberTools();
                ViewModel.DrillTapeContent = reorderedDrillTape;
                System.Windows.MessageBox.Show("刀序重排完成", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (OperationCanceledException)
            {
                // 用户取消操作，不显示错误消息
                //System.Diagnostics.Debug.WriteLine("用户取消了刀序重排操作");
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show($"重排刀序失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 应用顺序到钻带按钮点击事件
        /// </summary>
        private void ApplyOrderButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                string reorderedDrillTape = ViewModel.ReorderAndRenumberTools(true);
                ViewModel.DrillTapeContent = reorderedDrillTape;
                System.Windows.MessageBox.Show("刀具顺序已应用到钻带", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (OperationCanceledException)
            {
                // 用户取消操作，不显示错误消息
                //System.Diagnostics.Debug.WriteLine("用户取消了保存操作");
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show($"应用刀具顺序失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 生成排序种子按钮点击事件
        /// </summary>
        private void GenerateSortSeedButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                ViewModel.GenerateGeneralSortSeedFile(ViewModel.Tools);
                System.Windows.MessageBox.Show("通用排序种子文件已生成", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (OperationCanceledException)
            {
                // 用户取消操作，不显示错误消息
                //System.Diagnostics.Debug.WriteLine("用户取消了生成排序种子操作");
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show($"生成排序种子失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 使用指定钻带的刀序按钮点击事件
        /// </summary>
        private void UseReferenceDrillTapeButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.ReorderToolsByReferenceDrillTape();
        }

        /// <summary>
        /// 使用指定种子的刀序按钮点击事件
        /// </summary>
        private void UseSortSeedButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.ReorderToolsBySortSeedFile();
        }

        /// <summary>
        /// 测试参考钻带功能按钮点击事件
        /// </summary>
        private void TestReferenceDrillTapeButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.TestReorderByReferenceDrillTape();
        }

        /// <summary>
        /// 上移按钮点击事件
        /// </summary>
        private void MoveUpButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.MoveSelectedToolUp();
        }

        /// <summary>
        /// 下移按钮点击事件
        /// </summary>
        private void MoveDownButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.MoveSelectedToolDown();
        }

        /// <summary>
        /// 置顶按钮点击事件
        /// </summary>
        private void ToggleTopmostButton_Click(object sender, RoutedEventArgs e)
        {
            ViewModel.ToggleTopmost();
            this.Topmost = ViewModel.IsTopmost;
        }

        /// <summary>
        /// 刀具列表双击事件
        /// </summary>
        private void ToolsListView_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            if (sender is System.Windows.Controls.ListView listView && listView.SelectedItem is ToolItem selectedTool)
            {
                ViewModel.ShowToolDetail(selectedTool);
            }
        }

        /// <summary>
        /// 拖放文件进入窗口事件
        /// </summary>
        protected override void OnDragEnter(System.Windows.DragEventArgs e)
        {
            if (e.Data.GetDataPresent(System.Windows.DataFormats.FileDrop))
            {
                e.Effects = System.Windows.DragDropEffects.Copy;
            }
            else
            {
                e.Effects = System.Windows.DragDropEffects.None;
            }
            base.OnDragEnter(e);
        }

        /// <summary>
        /// 拖放文件到窗口事件
        /// </summary>
        protected override void OnDrop(System.Windows.DragEventArgs e)
        {
            if (e.Data.GetDataPresent(System.Windows.DataFormats.FileDrop))
            {
                string[] files = (string[])e.Data.GetData(System.Windows.DataFormats.FileDrop);
                if (files.Length > 0)
                {
                    try
                    {
                        // 保存原始文件路径
                        ViewModel.OriginalFilePath = files[0];

                        var process = new Process
                        {
                            StartInfo = new ProcessStartInfo
                            {
                                FileName = "cmd.exe",
                                Arguments = $"/c type \"{files[0]}\"",
                                RedirectStandardOutput = true,
                                UseShellExecute = false,
                                CreateNoWindow = true
                            }
                        };

                        process.Start();
                        string drillTapeContent = process.StandardOutput.ReadToEnd();
                        process.WaitForExit();

                        ViewModel.LoadToolsFromDrillTape(drillTapeContent);
                    }
                    catch (Exception ex)
                    {
                        System.Windows.MessageBox.Show($"加载钻带文件失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                    }
                }
            }
            base.OnDrop(e);
        }
    }
}