using System.Linq;
using System.Windows;
using System.Windows.Controls;
using InstaSoftOfficeTool.Models;
using InstaSoftOfficeTool.Services;
using Microsoft.Win32;

namespace InstaSoftOfficeTool.Pages
{
    public partial class SummaryPage : Page, IWizardPage
    {
        private readonly MainWindow _main;
        private readonly InstallConfig _config;
        private string _generatedXml;

        public SummaryPage(MainWindow main, InstallConfig config)
        {
            InitializeComponent();
            _main = main;
            _config = config;

            Loaded += (s, e) => RefreshSummary();
        }

        private void RefreshSummary()
        {
            SumVersion.Text = _config.GetVersionDisplayName();
            SumEdition.Text = _config.Edition?.DisplayName ?? "-";
            SumArch.Text = _config.Architecture + "-bit";
            SumLanguage.Text = _config.GetLanguageDisplayName() + " (" + _config.Language + ")";
            SumKey.Text = string.IsNullOrEmpty(_config.ProductKey) ? "Nincs megadva" : _config.ProductKey;

            if (_config.IsMsiInstall)
            {
                // MSI mode: no app exclusion, show ISO info instead of XML
                SumExcluded.Text = "(a Microsoft telepítőben választható)";

                string isoUrl = _config.GetIsoUrl();
                XmlPreview.Text = "Telepítési mód: ISO letöltés + MSI telepítő\n" +
                    "ISO URL: " + (isoUrl ?? "Nem elérhető") + "\n\n" +
                    "A telepítő ISO fájl letöltése után a Microsoft Office\n" +
                    "saját telepítője indul el automatikusan.";

                BtnSaveXml.Visibility = System.Windows.Visibility.Collapsed;
            }
            else
            {
                if (_config.ExcludedApps.Count > 0)
                    SumExcluded.Text = string.Join(", ", _config.ExcludedApps);
                else
                    SumExcluded.Text = "Nincs (minden alkalmazás települ)";

                _generatedXml = OdtXmlGenerator.Generate(_config);
                XmlPreview.Text = _generatedXml;
                BtnSaveXml.Visibility = System.Windows.Visibility.Visible;
            }
        }

        private void BtnSaveXml_Click(object sender, RoutedEventArgs e)
        {
            var dlg = new SaveFileDialog
            {
                Filter = "XML f\u00e1jl (*.xml)|*.xml",
                FileName = "configuration.xml"
            };

            if (dlg.ShowDialog() == true)
            {
                System.IO.File.WriteAllText(dlg.FileName, _generatedXml);
                MessageBox.Show("XML sikeresen mentve:\n" + dlg.FileName,
                    "Ment\u00e9s", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }

        public bool Validate()
        {
            return true;
        }
    }
}