using System;
using System.Windows.Forms;
using MySql.Data.MySqlClient;

namespace NeshinaPolina07_11
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
            checkBox1.Checked = false;
            this.Text = "Авторизация";

        }

        private void button1_Click(object sender, EventArgs e)
        {
            string login = textBox1.Text.Trim();
            string password = textBox2.Text;

            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
            {
                MessageBox.Show("Введите логин и пароль!");
                return;
            }

            var db = DB.GetInstance();
            var connection = db.GetConnection();

            string query = "SELECT role_id FROM users WHERE Login = @login AND password_hash = @password";

            using (var command = new MySqlCommand(query, connection))
            {
                command.Parameters.AddWithValue("@login", login);
                command.Parameters.AddWithValue("@password", password);

                object result = command.ExecuteScalar();

                if (result != null && int.TryParse(result.ToString(), out int roleId))
                {
                    switch (roleId)
                    {
                        case 1:
                            new _1Menu().Show();
                            break;
                        case 2:
                            new _2Menu().Show();
                            break;
                        case 3:
                            new _3Menu().Show();
                            break;
                        case 4:
                            new _4Menu().Show();
                            break;
                        default:
                            MessageBox.Show("Неизвестная роль пользователя.");
                            return;
                    }
                    this.Hide();
                }
                else
                {
                    MessageBox.Show("Неверный логин или пароль! Попробуйте ещё раз.");
                }
            }
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            textBox2.UseSystemPasswordChar = !checkBox1.Checked;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}