using System;
using System.Windows;
using System.Windows.Forms; // Requires UseWindowsForms in csproj
using System.IO;

namespace ElectronizerWPF
{
    public partial class MainWindow : Window
    {
        private readonly ElectronizerLogic _logic;

        public MainWindow()
        {
            InitializeComponent();
            _logic = new ElectronizerLogic();
            _logic.OnLog += Logic_OnLog;
        }

        private void Logic_OnLog(string message)
        {
            Dispatcher.Invoke(() =>
            {
                txtLog.AppendText(message + Environment.NewLine);
                txtLog.ScrollToEnd();
            });
        }

        private void BtnBrowseInput_Click(object sender, RoutedEventArgs e)
        {
            using var dialog = new FolderBrowserDialog
            {
                Description = "Select Vite/React Project Folder",
                UseDescriptionForTitle = true,
                ShowNewFolderButton = false
            };

            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                txtInputPath.Text = dialog.SelectedPath;
                ValidateInputs();
            }
        }

        private void BtnBrowseOutput_Click(object sender, RoutedEventArgs e)
        {
            using var dialog = new FolderBrowserDialog
            {
                Description = "Select Destination Folder for Electron App",
                UseDescriptionForTitle = true,
                ShowNewFolderButton = true
            };

            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                txtOutputPath.Text = dialog.SelectedPath;
                ValidateInputs();
            }
        }

        private void ValidateInputs()
        {
            btnConvert.IsEnabled = !string.IsNullOrWhiteSpace(txtInputPath.Text) && 
                                   !string.IsNullOrWhiteSpace(txtOutputPath.Text) &&
                                   Directory.Exists(txtInputPath.Text);
        }

        private async void BtnConvert_Click(object sender, RoutedEventArgs e)
        {
            btnConvert.IsEnabled = false;
            txtLog.Clear();
            
            string inputPath = txtInputPath.Text;
            string outputPath = txtOutputPath.Text;

            try
            {
                bool skipBuild = chkSkipBuild.IsChecked == true;
                bool buildExe = chkBuildExe.IsChecked == true;
                await _logic.RunConversionAsync(inputPath, outputPath, skipBuild, buildExe);
                System.Windows.MessageBox.Show("Conversion Completed Successfully!", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show($"Error: {ex.Message}", "Conversion Failed", MessageBoxButton.OK, MessageBoxImage.Error);
                Logic_OnLog($"CRITICAL ERROR: {ex.Message}");
            }
            finally
            {
                btnConvert.IsEnabled = true;
            }
        }
    }
}