using RSE.Core;
using RSE.Core.Helpers;
using RSE.Core.Interfaces;
using RSE.Core.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace RSE
{
    /// <summary>
    /// Логика взаимодействия для NewLoginWindow.xaml
    /// </summary>
    public partial class NewLoginWindow : Window
    {
        public NewLoginWindow()
        {
            InitializeComponent();
        }
        IRepository _repo = Factory.Instance.GetRepository();
        public event Action RegistrationFinished;

        private void ButtonRegister_Click(object sender, RoutedEventArgs e)
        {
            var user = new User
            {
                Login = TextBox_Login.Text,
                Password = PasswordHelper.GetHash(PasswordBox_Password.Password)
            };

            try
            {
                _repo.RegisterUser(user);
                RegistrationFinished?.Invoke();
                ChooseVariant chooseVariant = new ChooseVariant();
                chooseVariant.Show();
                Close();
            }
            catch
            {
                MessageBox.Show("An error occured trying to save new user");
            }

        }

        private void ButtonLogin_Click(object sender, RoutedEventArgs e)
        {
            if (_repo.Authorize(TextBox_Login.Text, PasswordBox_Password.Password))
            {
                ChooseVariant chooseVariant = new ChooseVariant();
                chooseVariant.Show();
                Hide();
            }

        }
    }
}

<Window x:Class="RSE.NewLoginWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:RSE"
        mc:Ignorable="d"
        xmlns:wpf="clr-namespace:RSE"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        Title="Login" Height="350" Width="280" WindowStyle="None" Background="Transparent">
    <Grid Background="White" >
        <Grid>
            <StackPanel Margin="10,0,30,0" >
                <TextBlock Text="Russian State Exam" FontSize="24" FontFamily="Segoe UI Black" Margin="0, 25, 0,0" Foreground="Black" FontWeight="Bold"/>


                <StackPanel Margin=" 0, 30" Orientation="Horizontal">
                    <materialDesign:PackIcon Kind="Account" VerticalAlignment="Center" Foreground="#707070"/>
                    <TextBox Name="TextBox_Login" Width="250" Margin="0, 0, 0, 10" materialDesign:HintAssist.Hint="login" />
                </StackPanel>
                <StackPanel Orientation="Horizontal">
                    <materialDesign:PackIcon Kind="Key" VerticalAlignment="Center" Foreground="#707070"/>
                    <PasswordBox Name="PasswordBox_Password" Width="250" materialDesign:HintAssist.Hint="Password" Margin="10"/>

                </StackPanel>

                <StackPanel VerticalAlignment="Center" Orientation="Horizontal" />
                <Button VerticalAlignment="Center" Click="ButtonLogin_Click"  Content="Login" FontFamily="Impact" Margin="20" FontSize="14" Width="80" Background="#FF4E299E" BorderBrush="#FF307CD6"/>
                <Button VerticalAlignment="Center" Click="ButtonRegister_Click" Content="Register" FontFamily="Impact" FontSize="14" Width="80" Background="#FF4E299E" BorderBrush="#FF307CD6" />
            </StackPanel>



        </Grid>

    </Grid>
</Window>