using System.Windows;
using Microsoft.EntityFrameworkCore;
using SimpleWiki.Data;
using SimpleWiki.Services;

namespace SimpleWiki.Views;

public partial class LoginWindow : Window
{
    public LoginWindow()
    {
        InitializeComponent();
    }

    private void LoginButton_Click(object sender, RoutedEventArgs e)
    {
        var emailError = InputValidator.ValidateEmail(EmailTextBox.Text);
        var passwordError = string.IsNullOrWhiteSpace(PasswordBox.Password) ? "Пароль обязателен." : null;
        var errors = InputValidator.JoinErrors(emailError, passwordError);

        if (!string.IsNullOrWhiteSpace(errors))
        {
            MessageBox.Show(errors, "Ошибка валидации", MessageBoxButton.OK, MessageBoxImage.Warning);
            return;
        }

        using var db = new AppDbContext();
        var email = EmailTextBox.Text.Trim().ToLowerInvariant();
        var user = db.Users.AsNoTracking().FirstOrDefault(x => x.Email.ToLower() == email);

        if (user is null || !PasswordHasher.VerifyPassword(PasswordBox.Password, user.PasswordHash))
        {
            MessageBox.Show("Неверный email или пароль.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            return;
        }

        SessionService.CurrentUser = user;
        new MainWindow(user).Show();
        Close();
    }

    private void OpenRegisterButton_Click(object sender, RoutedEventArgs e)
    {
        new RegisterWindow().Show();
        Close();
    }

    private void OpenForgotPasswordButton_Click(object sender, RoutedEventArgs e)
    {
        new ForgotPasswordWindow().Show();
        Close();
    }
}