namespace Game.UI.Login
{
    public class LoginWindow : Control
    {
        Control window;
        EditBox editBoxMail;
        EditBox editBoxPassword;

        static string UserLogin;
        static string UserPassword;
        static LoginWindow instance;

        public static LoginWindow Instance
        {
            get { return instance; }
        }

        protected override void OnAttach()
        {
            instance = this;
            base.OnAttach();

            EngineApp.Instance.Config.RegisterClassParameters(GetType());

            window = ControlDeclarationManager.Instance.CreateControl("Gui\\Login\\LoginWindow.gui");

            window.ColorMultiplier = new ColorValue(1, 1, 1, 0);
            Controls.Add(window);

            if (window.Controls["LoginButton"] != null)
                ((Button)window.Controls["LoginButton"]).Click += LoginButton_Click;

            editBoxMail = (EditBox)window.Controls["UserMail"];
            editBoxMail.Text = "";
            editBoxMail.TextChange += editBoxMail_TextChange;

            editBoxPassword = (EditBox)window.Controls["UserPassword"];
            editBoxPassword.Text = "";
            editBoxPassword.TextChange += editBoxPassword_TextChange;

            GameMusic.MusicPlay("Sounds\\Music\\MainMenu.ogg", true);
        }

        void editBoxMail_TextChange(Control sender)
        {
            UserLogin = editBoxMail.Text.Trim();
        }

        void editBoxPassword_TextChange(Control sender)
        {
            UserPassword = editBoxPassword.Text.Trim();
        }

        void LoginButton_Click(Button sender)
        {
            if (string.IsNullOrEmpty(UserLogin))
            {
                Controls.Add(new ErrorWindow(1));//ошибка - не введен логин
            }
            else if (string.IsNullOrEmpty(UserPassword))
            {
                Controls.Add(new ErrorWindow(2));//ошибка - не введен пароль
            }
            else
            {
                // если данные введены
            }
        }

        protected override void OnDetach()
        {
            base.OnDetach();
            instance = null;
        }

        protected override bool OnKeyDown( KeyEvent e )
        {
            if( base.OnKeyDown( e ) )
                return true;
            return false;
        }

        protected override void OnTick( float delta )
        {
            base.OnTick( delta );

            //Change window transparency
            {
                float alpha = 0;

                if( Time > 3 && Time <= 5 )
                    alpha = ( Time - 3 ) / 2;
                else if( Time > 4 )
                    alpha = 1;

                window.ColorMultiplier = new ColorValue( 1, 1, 1, alpha );
                //versionTextBox.ColorMultiplier = new ColorValue( 1, 1, 1, alpha );
            }

            //update sound listener
            SoundWorld.Instance.SetListener( new Vec3( 1000, 1000, 1000 ),
                Vec3.Zero, new Vec3( 1, 0, 0 ), new Vec3( 0, 0, 1 ) );
        }

        protected override void OnRender()
        {
            base.OnRender();
        }

        protected override void OnRenderUI( GuiRenderer renderer )
        {
            base.OnRenderUI( renderer );
        }
    }
}