using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using InstaSoftOfficeTool.Models;

namespace InstaSoftOfficeTool.Pages
{
    public partial class ConfigPage : Page, IWizardPage
    {
        private readonly MainWindow _main;
        private readonly InstallConfig _config;
        private readonly List<CheckBox> _appCheckBoxes = new List<CheckBox>();

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

            // Restore arch
            if (_config.Architecture == "32")
            {
                Rb32.IsChecked = true;
            }

            // Populate language combo
            foreach (var lang in LanguageList.Languages)
            {
                CbLanguage.Items.Add(new ComboBoxItem
                {
                    Content = lang.Name + " (" + lang.Code + ")",
                    Tag = lang.Code
                });
            }

            // Select current language
            for (int i = 0; i < CbLanguage.Items.Count; i++)
            {
                var item = (ComboBoxItem)CbLanguage.Items[i];
                if ((string)item.Tag == _config.Language)
                {
                    CbLanguage.SelectedIndex = i;
                    break;
                }
            }
            if (CbLanguage.SelectedIndex < 0) CbLanguage.SelectedIndex = 0;

            // Populate app checkboxes
            foreach (var app in ExcludableApps.Apps)
            {
                // Ha m\u00e1r van ment\u00e9s a configban, azt haszn\u00e1ljuk; k\u00fcl\u00f6nben a default\u00f6t
                bool isChecked = _config.ExcludedApps.Count > 0
                    ? !_config.ExcludedApps.Contains(app.Id)
                    : app.DefaultChecked;

                bool isProPlus = _config.Edition != null &&
                    _config.Edition.ProductId.Contains("ProPlus");
                bool isStandard = _config.Edition != null &&
                    _config.Edition.ProductId.Contains("Standard");

                bool unavailable = false;
                if (app.MinEdition == "proplus" && !isProPlus)
                    unavailable = true;
                else if (app.MinEdition == "standard+" && !isProPlus && !isStandard)
                    unavailable = true;

                var cb = new CheckBox
                {
                    Content = app.DisplayName,
                    IsChecked = unavailable ? false : isChecked,
                    IsEnabled = !unavailable,
                    Tag = app.Id,
                    Style = (Style)FindResource("FluentCheckBox"),
                    Margin = new Thickness(0, 4, 24, 4),
                    MinWidth = 160
                };
                _appCheckBoxes.Add(cb);
                AppCheckBoxes.Children.Add(cb);
            }
        }

        public bool Validate()
        {
            _config.Architecture = Rb64.IsChecked == true ? "64" : "32";

            if (CbLanguage.SelectedItem is ComboBoxItem selected)
            {
                _config.Language = (string)selected.Tag;
            }

            _config.ExcludedApps.Clear();
            foreach (var cb in _appCheckBoxes)
            {
                if (cb.IsChecked != true || !cb.IsEnabled)
                {
                    _config.ExcludedApps.Add((string)cb.Tag);
                }
            }

            return true;
        }
    }
}