using System.Windows;
using Microsoft.Win32;
using WordPressStaticExporter.Models;
using WordPressStaticExporter.Services;

namespace WordPressStaticExporter;

public partial class MainWindow : Window
{
    public MainWindow() => InitializeComponent();

    private void BrowseButton_Click(object sender, RoutedEventArgs e)
    {
        var dialog = new OpenFolderDialog();
        if (dialog.ShowDialog() == true)
            OutputTextBox.Text = dialog.FolderName;
    }

    private async void ExportButton_Click(object sender, RoutedEventArgs e)
    {
        if (!Uri.TryCreate(UrlTextBox.Text.Trim(), UriKind.Absolute, out var siteUrl))
        {
            MessageBox.Show("Enter a valid website URL.");
            return;
        }

        if (string.IsNullOrWhiteSpace(OutputTextBox.Text))
        {
            MessageBox.Show("Choose an output folder.");
            return;
        }

        ExportButton.IsEnabled = false;
        LogTextBox.Clear();

        try
        {
            var settings = new ExportSettings
            {
                StartUrl = siteUrl,
                OutputDirectory = OutputTextBox.Text.Trim(),
                DownloadExternalAssets = ExternalAssetsCheckBox.IsChecked == true,
                CaptureScreenshots = ScreenshotsCheckBox.IsChecked == true,
                RespectRobotsTxt = RobotsCheckBox.IsChecked == true
            };

            var exporter = new SiteExporter();
            var progress = new Progress<ExportProgress>(p =>
            {
                StatusText.Text = p.Message;
                ProgressBar.Value = p.Percent;
                LogTextBox.AppendText($"[{DateTime.Now:HH:mm:ss}] {p.Message}{Environment.NewLine}");
                if (p.Result is not null)
                    SummaryText.Text = $"Pages: {p.Result.PagesExported} | Assets: {p.Result.AssetsDownloaded} | CSS: {p.Result.CssFilesProcessed} | Errors: {p.Result.Errors.Count}";
                LogTextBox.ScrollToEnd();
            });

            var result = await exporter.ExportAsync(settings, progress, CancellationToken.None);

            StatusText.Text = "Export completed";
            ProgressBar.Value = 100;
            SummaryText.Text = $"Pages: {result.PagesExported} | Assets: {result.AssetsDownloaded} | CSS: {result.CssFilesProcessed} | Errors: {result.Errors.Count}";
            MessageBox.Show("Static website export completed.", "Success");
        }
        catch (Exception ex)
        {
            StatusText.Text = "Export failed";
            LogTextBox.AppendText(ex + Environment.NewLine);
            MessageBox.Show(ex.Message, "Export Error");
        }
        finally
        {
            ExportButton.IsEnabled = true;
        }
    }
}