using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using Microsoft.Win32;
using BetterEN5.Services;

namespace BetterEN5.UI
{
    public partial class BetterEN5Module : UserControl
    {
        private readonly InkService _inkService = new();
        private readonly ConversionService _conversionService = new();
        private readonly ActivationService _activationService = new();

        public BetterEN5Module()
        {
            InitializeComponent();
            Loaded += OnLoaded;
        }

        private async void OnLoaded(object sender, RoutedEventArgs e)
        {
            await RefreshStatusAsync();
        }

        public async Task RefreshStatusAsync()
        {
            try
            {
                var touchOk = await Task.Run(() => TouchFixService.IsTouchWorkingCorrectly());
                TouchStatus.Text = touchOk ? "✅ IWB 模式已启用" : "⚠️ 未启用 IWB 模式";

                var activationInfo = await Task.Run(() => _activationService.GetCurrentStatus());
                ActivationStatusText.Text = activationInfo.IsProfessional
                    ? $"✅ 专业版已激活 | {activationInfo.LastActivationDate}"
                    : "🔓 社区版 · 点击激活";
            }
            catch { }
        }

        private async void ExportInk_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new SaveFileDialog
            {
                Title = "导出墨迹",
                Filter = "墨迹文件|*.ink.json|JSON 文件|*.json|所有文件|*.*",
                DefaultExt = ".ink.json"
            };
            if (dialog.ShowDialog() == true)
            {
                try
                {
                    await _inkService.ExportInkAsync(dialog.FileName);
                    InkStatus.Text = $"✅ 已导出: {Path.GetFileName(dialog.FileName)}";
                }
                catch (Exception ex)
                {
                    InkStatus.Text = $"❌ 导出失败: {ex.Message}";
                }
            }
        }

        private async void ImportInk_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new OpenFileDialog
            {
                Title = "导入墨迹",
                Filter = "墨迹文件|*.ink.json|JSON 文件|*.json|所有文件|*.*"
            };
            if (dialog.ShowDialog() == true)
            {
                try
                {
                    await _inkService.ImportInkAsync(dialog.FileName);
                    InkStatus.Text = "✅ 墨迹已导入";
                }
                catch (Exception ex)
                {
                    InkStatus.Text = $"❌ 导入失败: {ex.Message}";
                }
            }
        }

        private async void ConvertPptx_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new OpenFileDialog
            {
                Title = "选择 PowerPoint 文件",
                Filter = "PowerPoint 文件|*.pptx|所有文件|*.*"
            };
            if (dialog.ShowDialog() == true)
            {
                try
                {
                    var result = await _conversionService.ConvertPptxToEnbxAsync(dialog.FileName);
                    ConversionStatus.Text = $"✅ 转换完成: {Path.GetFileName(result)}";
                }
                catch (Exception ex)
                {
                    ConversionStatus.Text = $"❌ 转换失败: {ex.Message}";
                }
            }
        }

        private async void ConvertEnbx_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new OpenFileDialog
            {
                Title = "选择希沃白板课件",
                Filter = "希沃课件|*.enbx|所有文件|*.*"
            };
            if (dialog.ShowDialog() == true)
            {
                try
                {
                    var result = await _conversionService.ConvertEnbxToPptxAsync(dialog.FileName);
                    ConversionStatus.Text = $"✅ 导出完成: {Path.GetFileName(result)}";
                }
                catch (Exception ex)
                {
                    ConversionStatus.Text = $"❌ 导出失败: {ex.Message}";
                }
            }
        }

        private async void CheckTouch_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var touchOk = await Task.Run(() => TouchFixService.IsTouchWorkingCorrectly());
                TouchStatus.Text = touchOk ? "✅ 触摸状态正常" : "⚠️ 触摸可能需要修复";
            }
            catch (Exception ex)
            {
                TouchStatus.Text = $"❌ 检测失败: {ex.Message}";
            }
        }

        private async void ApplyTouchFix_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                await TouchFixService.ApplyFixAsync();
                TouchStatus.Text = "✅ 触摸修复已应用，重启后生效";
            }
            catch (Exception ex)
            {
                TouchStatus.Text = $"❌ 修复失败: {ex.Message}";
            }
        }

        private async void EnableBoardSupport_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var ok = await _activationService.ApplyBoardSupportPatchAsync();
                BoardStatus.Text = ok ? "✅ 大屏模式已配置" : "❌ 配置失败";
            }
            catch (Exception ex)
            {
                BoardStatus.Text = $"❌ 错误: {ex.Message}";
            }
        }

        private async void EnableIWB_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var ok = await _activationService.EnableIWBForNonTouchAsync();
                BoardStatus.Text = ok ? "✅ IWB 模式已启用" : "❌ 启用失败";
            }
            catch (Exception ex)
            {
                BoardStatus.Text = $"❌ 错误: {ex.Message}";
            }
        }

        private async void ActivatePro_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new ActivateDialog();
            var ownerWindow = Window.GetWindow(this);
            if (ownerWindow != null) dialog.Owner = ownerWindow;
            if (dialog.ShowDialog() == true)
            {
                var ok = await _activationService.ActivateProfessionalAsync(dialog.LicenseKey);
                ActivationStatusText.Text = ok ? "✅ 激活成功！专业版已启用" : "❌ 激活码无效";
            }
        }

        private async void LaunchInstaller_Click(object sender, RoutedEventArgs e)
        {
            var ok = await _activationService.LaunchBen5InstallerAsync();
            if (!ok)
            {
                MessageBox.Show("未找到注册补丁安装程序。\n请将 BEN5_Installer.exe 放置于插件目录。",
                                "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }
    }
}