using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using InstaSoftOfficeTool.Services;

namespace InstaSoftOfficeTool.Pages
{
    public partial class TroubleshootPage : Page
    {
        private readonly MainWindow _main;
        private readonly LicenseManager _licenseManager = new LicenseManager();

        public TroubleshootPage(MainWindow main)
        {
            InitializeComponent();
            _main = main;
            Loaded += async (s, e) => await RefreshStatus();
        }

        private async System.Threading.Tasks.Task RefreshStatus()
        {
            OutputText.Text = "Keres\u00e9s folyamatban...\n";
            BtnRemoveAll.IsEnabled = false;
            BtnRefresh.IsEnabled = false;

            bool found = _licenseManager.FindOspp();

            if (!found)
            {
                OsppStatusIcon.Text = "\uE711";
                OsppStatusIcon.Foreground = (Brush)FindResource("ErrorBrush");
                OsppStatusText.Text = "Az ospp.vbs nem tal\u00e1lhat\u00f3. Nincs telep\u00edtett Office?";
                OutputText.Text = "Az ospp.vbs f\u00e1jl nem tal\u00e1lhat\u00f3 a sz\u00e1m\u00edt\u00f3g\u00e9pen.\n\n" +
                    "Lehets\u00e9ges okok:\n" +
                    "- Nincs telep\u00edtett Microsoft Office\n" +
                    "- Az Office nem a szok\u00e1sos helyre lett telep\u00edtve";
                BtnRefresh.IsEnabled = true;
                return;
            }

            OsppStatusIcon.Text = "\uE73E";
            OsppStatusIcon.Foreground = (Brush)FindResource("SuccessBrush");
            OsppStatusText.Text = "ospp.vbs megtal\u00e1lva: " + _licenseManager.OsppPath;

            OutputText.Text = "Licenc-\u00e1llapot lek\u00e9rdez\u00e9se...\n";

            try
            {
                string status = await _licenseManager.GetStatusAsync();
                OutputText.Text = status;

                var keys = _licenseManager.ParseLicenseKeys(status);
                BtnRemoveAll.IsEnabled = keys.Count > 0;

                if (keys.Count > 0)
                {
                    OutputText.Text += "\n--- " + keys.Count + " term\u00e9kkulcs tal\u00e1lhat\u00f3 ---";
                }
                else
                {
                    OutputText.Text += "\n--- Nincs telep\u00edtett term\u00e9kkulcs ---";
                }
            }
            catch (Exception ex)
            {
                OutputText.Text = "Hiba a lek\u00e9rdez\u00e9s sor\u00e1n: " + ex.Message;
            }

            BtnRefresh.IsEnabled = true;
        }

        private async void BtnRefresh_Click(object sender, RoutedEventArgs e)
        {
            await RefreshStatus();
        }

        private async void BtnRemoveAll_Click(object sender, RoutedEventArgs e)
        {
            var result = MessageBox.Show(
                "Biztosan el szeretn\u00e9 t\u00e1vol\u00edtani az \u00f6sszes telep\u00edtett term\u00e9kkulcsot?\n\n" +
                "Ez nem t\u00f6r\u00f6l adatot, csak az aktiv\u00e1ci\u00f3s \u00e1llapotot \u00e1ll\u00edtja vissza.",
                "Meger\u0151s\u00edt\u00e9s", MessageBoxButton.YesNo, MessageBoxImage.Warning);

            if (result != MessageBoxResult.Yes) return;

            BtnRemoveAll.IsEnabled = false;
            BtnRefresh.IsEnabled = false;

            OutputText.Text += "\n\nTerm\u00e9kkulcsok elt\u00e1vol\u00edt\u00e1sa...\n";

            try
            {
                string cleanResult = await _licenseManager.RemoveAllKeysAsync();
                OutputText.Text += cleanResult + "\n";
                OutputText.Text += "\nK\u00e9sz. Kattintson az '\u00c1llapot friss\u00edt\u00e9se' gombra az eredm\u00e9ny ellen\u0151rz\u00e9s\u00e9hez.";
            }
            catch (Exception ex)
            {
                OutputText.Text += "Hiba: " + ex.Message;
            }

            BtnRefresh.IsEnabled = true;
        }
    }
}