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;

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

        private void LoginForm_Load(object sender, EventArgs e)
        {
            textBoxPass.MaxLength = 32;
            textBoxPass.PasswordChar = '*';

            string userRoot = "HKEY_CURRENT_USER\\SoftSPM";
            string noSuch = (string)Microsoft.Win32.Registry.GetValue(userRoot, "COMPANY_NAME", "");

            if (String.Compare(noSuch, "SoftSPM", true) == 0)
            {
                string vLastLoginName = Microsoft.Win32.Registry.GetValue(userRoot + "\\SPM_TST", "LAST_USER", "").ToString();
                textBoxLogin.Text = vLastLoginName;
                if (vLastLoginName.Length>0)
                {
                    textBoxPass.Focus();
                }
            }
        }

        private void LogIn()
        {
            int index = 0;
            mySqlFunctions.initConnection();
            if (mySqlFunctions.OpenConnection())
            {

                MySql.Data.MySqlClient.MySqlCommand cmd = new MySql.Data.MySqlClient.MySqlCommand("select USR_ID,USR_FIRST_NAME,USR_LAST_NAME,TUT_TYPE from sys_users left join tst_users_type ON TUT_USR_ID=USR_ID where USR_USERNAME='" + textBoxLogin.Text + "' and USR_PASSWORD=md5('" + textBoxPass.Text + "')", mySqlFunctions.connection);
                MySql.Data.MySqlClient.MySqlDataReader dataReader = cmd.ExecuteReader();
                while (dataReader.Read())
                {

                    vGlobal.tst_usr_id = Convert.ToInt32(dataReader["USR_ID"].ToString());
                    vGlobal.tst_login_name = dataReader["USR_FIRST_NAME"].ToString() + " " + dataReader["USR_LAST_NAME"].ToString();
                    if (String.Compare(dataReader["TUT_TYPE"].ToString(), "1", true) == 0)
                        vGlobal.tst_login_admin_priv = true;
                    index++;
                }
                dataReader.Close();
                mySqlFunctions.CloseConnection();
            }

            if (index > 0)
            {
                vGlobal.tst_login_acces = true;
                this.Close();
            }
            else
            {
                MessageBox.Show("Wprowadzono błędny login lub hasło!");
                textBoxPass.Text = "";
            }
        }


        private void buttonLogin_Click(object sender, EventArgs e)
        {
            const string userRoot = "HKEY_CURRENT_USER\\SoftSPM";
            Microsoft.Win32.Registry.SetValue(userRoot + "\\SPM_TST", "LAST_USER", textBoxLogin.Text);

            LogIn();
        }

        private void textBoxLogin_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
                LogIn();
        }

        private void textBoxPass_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
                LogIn();
        }

    }
}