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 System.Diagnostics;
using MySql.Data.MySqlClient;
using System.IO;

namespace FPSCraft
{
    public partial class Form1 : Form
    {
        MySqlConnection con = new MySqlConnection(@"Data Source=1.1.1.1;port=3214;Initial Catalog=logindb;User Id=minecraft;password='jelszó'");
        int i;
        string path = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"\FPSCraft\username.txt";

        public Form1()
        {
            InitializeComponent();

            #region BringToFront
            login_username_tb.BringToFront();
            login_password_tb.BringToFront();
            login_reg_btn.BringToFront();
            login_btn.BringToFront();
            reg_username_tb.BringToFront();
            reg_pw_tb.BringToFront();
            reg_pwagain_tb.BringToFront();
            reg_reg_btn.BringToFront();
            reg_cancel_btn.BringToFront();
            #endregion
            #region Reg Objects Invisibility
            reg_username_tb.Visible = false;
            reg_pw_tb.Visible = false;
            reg_pwagain_tb.Visible = false;
            reg_reg_btn.Visible = false;
            reg_cancel_btn.Visible = false;
            #endregion
        }

        #region Login
        private void login(object sender, EventArgs e)
        {
            i = 0;
            con.Open();
            MySqlCommand cmd = con.CreateCommand();
            cmd.CommandType = CommandType.Text;
            cmd.CommandText = "SELECT * FROM users WHERE username='" + login_username_tb.Text + "'and AES_DECRYPT(password, 'titkos') = '" + login_password_tb.Text + "'";
            cmd.ExecuteNonQuery();
            DataTable dt = new DataTable();
            MySqlDataAdapter da = new MySqlDataAdapter(cmd);
            da.Fill(dt);
            i = int.Parse(dt.Rows.Count.ToString());

            if (i == 0)
            {
                MessageBox.Show("You have entered an invalid username or password!");
                con.Close();
            }
            else
            {
                con.Close();
                MessageBox.Show("Sikeres bejelentkezés!\nA játék betöltése 1-2 percet is igénybe vehet. Kérlek várj!");
                TextWriter tw = File.CreateText(path);
                tw.WriteLine(login_username_tb.Text);
                tw.Close();
                Process startGame = new Process();
                startGame.StartInfo.FileName = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"\FPSCraft\jars\start.bat";
                startGame.Start();
                this.WindowState = FormWindowState.Minimized;
            }
        }

        private void usernameclean(object sender, EventArgs e)
        {
            login_username_tb.ForeColor = Color.Black;
            login_username_tb.Text = "";
        }

        private void usernamerewrite(object sender, EventArgs e)
        {
            if (login_username_tb.Text == "")
            {
                login_username_tb.ForeColor = Color.Silver;
                login_username_tb.Text = "Felhasználónév";
            }
        }

        private void passwordclean(object sender, EventArgs e)
        {
            login_password_tb.UseSystemPasswordChar = true;
            login_password_tb.ForeColor = Color.Black;
            login_password_tb.Text = "";
        }

        private void passwordrewrite(object sender, EventArgs e)
        {
            if (login_password_tb.Text == "")
            {
                login_password_tb.UseSystemPasswordChar = false;
                login_password_tb.ForeColor = Color.Silver;
                login_password_tb.Text = "Jelszó";
            }
        }
        #endregion

        #region Redirection to register
        private void regredirect(object sender, EventArgs e)
        {
            #region Visibility Change
            reg_username_tb.Visible = true;
            reg_pw_tb.Visible = true;
            reg_pwagain_tb.Visible = true;
            reg_reg_btn.Visible = true;
            reg_cancel_btn.Visible = true;
            login_btn.Visible = false;
            login_password_tb.Visible = false;
            login_reg_btn.Visible = false;
            login_username_tb.Visible = false;
            #endregion
        }
        #endregion

        #region Cancel
        private void cancel(object sender, EventArgs e)
        {
            #region Visibility Change
            reg_username_tb.Visible = false;
            reg_pw_tb.Visible = false;
            reg_pwagain_tb.Visible = false;
            reg_reg_btn.Visible = false;
            reg_cancel_btn.Visible = false;
            login_btn.Visible = true;
            login_password_tb.Visible = true;
            login_reg_btn.Visible = true;
            login_username_tb.Visible = true;
            #endregion
        }
        #endregion

        #region Registration
        private void reg(object sender, EventArgs e)
        {
            i = 0;
            con.Open();
            MySqlCommand command = con.CreateCommand();
            command.CommandType = CommandType.Text;
            command.CommandText = "SELECT `username` FROM `users` WHERE username='" + reg_username_tb.Text + "'";
            command.ExecuteNonQuery();
            DataTable dt = new DataTable();
            MySqlDataAdapter da = new MySqlDataAdapter(command);
            da.Fill(dt);
            i = int.Parse(dt.Rows.Count.ToString());
            con.Close();
            if (reg_pw_tb.Text == reg_pwagain_tb.Text && i == 0 && reg_username_tb.Text != "Felhasználónév" && reg_pw_tb.Text != "Jelszó" && reg_pwagain_tb.Text != "Jelszó újra")
            {
                con.Open();
                MySqlCommand cmd = con.CreateCommand();
                cmd.CommandType = CommandType.Text;
                cmd.CommandText = "INSERT INTO users (username, password, reg_date) VALUES ('" + reg_username_tb.Text + "', AES_ENCRYPT('" + reg_pw_tb.Text + "', 'titkos'), CURRENT_TIMESTAMP);";
                cmd.ExecuteNonQuery();
                con.Close();
                MessageBox.Show("Sikeres regisztráció!");
                #region Visibility Change
                reg_username_tb.Visible = false;
                reg_pw_tb.Visible = false;
                reg_pwagain_tb.Visible = false;
                reg_reg_btn.Visible = false;
                login_btn.Visible = true;
                login_password_tb.Visible = true;
                login_reg_btn.Visible = true;
                login_username_tb.Visible = true;
                #endregion
            }
            if (reg_username_tb.Text == "Felhasználónév")
            { MessageBox.Show("A 'Felhasználónév' mező nincs kitölteve!"); }
            if (reg_pw_tb.Text == "Jelszó")
            { MessageBox.Show("A 'Jelszó' mező nincs kitöltve"); }
            if (reg_pwagain_tb.Text == "Jelszó újra")
            { MessageBox.Show("A 'Jelszó újra' mező nincs kitöltve"); }
            if (reg_pw_tb.Text != reg_pwagain_tb.Text && reg_pw_tb.Text != "Jelszó" && reg_pwagain_tb.Text != "Jelszó újra")
            { MessageBox.Show("A két jelszó nem egyezik meg!"); }
            if (i > 0)
            { MessageBox.Show("Létezik már ilyen felhasználó."); }
        }

        private void reg_usernameclean(object sender, EventArgs e)
        {
            reg_username_tb.ForeColor = Color.Black;
            reg_username_tb.Text = "";
        }

        private void reg_usernamerewrite(object sender, EventArgs e)
        {
            if (reg_username_tb.Text == "")
            {
                reg_username_tb.ForeColor = Color.Silver;
                reg_username_tb.Text = "Felhasználónév";
            }
        }

        private void reg_passwordclean(object sender, EventArgs e)
        {
            reg_pw_tb.UseSystemPasswordChar = true;
            reg_pw_tb.ForeColor = Color.Black;
            reg_pw_tb.Text = "";
        }

        private void reg_passwordrewrite(object sender, EventArgs e)
        {
            if (reg_pw_tb.Text == "")
            {
                reg_pw_tb.UseSystemPasswordChar = false;
                reg_pw_tb.ForeColor = Color.Silver;
                reg_pw_tb.Text = "Jelszó";
            }
        }

        private void reg_passwordagainclean(object sender, EventArgs e)
        {
            reg_pwagain_tb.UseSystemPasswordChar = true;
            reg_pwagain_tb.ForeColor = Color.Black;
            reg_pwagain_tb.Text = "";
        }

        private void reg_passwordagainrewrite(object sender, EventArgs e)
        {
            if (reg_pwagain_tb.Text == "")
            {
                reg_pwagain_tb.UseSystemPasswordChar = false;
                reg_pwagain_tb.ForeColor = Color.Silver;
                reg_pwagain_tb.Text = "Jelszó újra";
            }
        }
        #endregion

        #region Button Hover and Leave
        private void login_btn_hover(object sender, EventArgs e)
        {
            login_btn.BackgroundImage = Properties.Resources.button2;
        }

        private void login_btn_leave(object sender, EventArgs e)
        {
            login_btn.BackgroundImage = Properties.Resources.button1;
            login_btn.ForeColor = Color.Gainsboro;
        }

        private void reg_reg_btn_hover(object sender, EventArgs e)
        {
            reg_reg_btn.BackgroundImage = Properties.Resources.button2;
        }

        private void reg_reg_btn_leave(object sender, EventArgs e)
        {
            reg_reg_btn.BackgroundImage = Properties.Resources.button1;
            reg_reg_btn.ForeColor = Color.Gainsboro;
        }

        private void login_reg_btn_hover(object sender, EventArgs e)
        {
            login_reg_btn.BackgroundImage = Properties.Resources.button2;
        }

        private void login_reg_btn_leave(object sender, EventArgs e)
        {
            login_reg_btn.BackgroundImage = Properties.Resources.button1;
            login_reg_btn.ForeColor = Color.Gainsboro;
        }

        private void reg_cancel_btn_hover(object sender, EventArgs e)
        {
            reg_cancel_btn.BackgroundImage = Properties.Resources.button2;
        }

        private void reg_cancel_btn_leave(object sender, EventArgs e)
        {
            reg_cancel_btn.BackgroundImage = Properties.Resources.button1;
            reg_cancel_btn.ForeColor = Color.Gainsboro;
        }
        #endregion

        #region Exit
        private void exit(object sender, EventArgs e)
        {
            File.Delete(path);
            Application.Exit();
        }

        #endregion
    }
}