using MySqlX.XDevAPI;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;

namespace merkulov5

{
    public partial class LoginForm : Form
    {
        public LoginForm()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
                string loginUser = loginField.Text;
                string passUser = passField.Text;

                if (string.IsNullOrWhiteSpace(loginField.Text))
                {
                    MessageBox.Show("Введите логин.", "Информация", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }

                if (string.IsNullOrWhiteSpace(passField.Text))
                {
                    MessageBox.Show("Введите логин.", "Информация", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }

                DB db = new DB();

                DataTable table = new DataTable();

                MySqlDataAdapter adapter = new MySqlDataAdapter();

                MySqlCommand commandAd = new MySqlCommand("SELECT * FROM `Librarian` WHERE `Login` = @log AND `Password` = @pass", db.getConnection());
                commandAd.Parameters.Add("@log", MySqlDbType.VarChar).Value = loginUser;
                commandAd.Parameters.Add("@pass", MySqlDbType.VarChar).Value = passUser;

                adapter.SelectCommand = commandAd;
                adapter.Fill(table);

                if (table.Rows.Count == 1)
                {

                    MessageBox.Show("Авторизация успешна.");
                    this.Hide();
                    MainForm main = new MainForm();
                    main.Show();
                }
                
               
            
        }
    }
}