using PolyChat.Models;
using PolyChat.Util;
using System;
using System.Collections.ObjectModel;
using System.Linq;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;

// The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409

namespace PolyChat.Views
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class EditUsernameDialog : ContentDialog
    {
        public EditUsernameDialog(string initialValue)
        {
            this.InitializeComponent();
            if (initialValue == null || initialValue.Length == 0) IsSecondaryButtonEnabled = false;
            else  input.Text = initialValue;
            validate();
        }

        public string getValue()
        {
            return input.Text;
        }

        private void OnKeyUp(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
        {
            validate();
        }

        private void validate()
        {
            if (input.Text.Length == 0)
            {
                textError.Visibility = Visibility.Visible;
                IsPrimaryButtonEnabled = false;
            }
            else
            {
                textError.Visibility = Visibility.Collapsed;
                IsPrimaryButtonEnabled = true;
            }
        }
    }
}