Menu

package;

import openfl.display.Sprite;
import openfl.events.MouseEvent;
import openfl.system.System;
import openfl.text.TextField;
import openfl.text.TextFieldAutoSize;
import openfl.text.TextFormat;

/**
 * ...
 * @author Reka
 */
class Menu extends Sprite
{
    private var myTextFormat:TextFormat;
    private var gameTitle:TextField;

    // Clean previous screen and setup the current screen
    public function new()
    {
        super();

        removeChildren();   // Clean previous screen
        mainMenu();
    }

    // Setup the current screen
    public function mainMenu()
    {
        // Setup a default text format
        myTextFormat = new TextFormat("_sans", 14, 0xAA2023, true);

        // Add the neccessary elements
        addTitle();
        addPlayGame();
        addHallOfFame();
        addQuit();
    }

    // Adds the Game's Title
    function addTitle()
    {
        var titleFormat:TextFormat = new TextFormat("_sans", 20, 0xAA2023, true);
        gameTitle = new TextField();
        gameTitle.autoSize = TextFieldAutoSize.LEFT;
        gameTitle.defaultTextFormat = titleFormat;
        gameTitle.text = "Escape!";
        gameTitle.x = 400 - (gameTitle.width / 2);
        gameTitle.y = 100;
        addChild(gameTitle);
    }

    // Adds a button to start the gameplay
    function addPlayGame()
    {
        var playGame:TextField = new TextField();
        playGame.autoSize = TextFieldAutoSize.LEFT;
        playGame.defaultTextFormat = myTextFormat;
        playGame.text = "Play Game";
        playGame.x = gameTitle.x;
        playGame.y = gameTitle.y + 100;
        addChild( playGame );
        playGame.addEventListener( MouseEvent.CLICK, start);
    }

    // Adds a button to show hall of fame
    function addHallOfFame()
    {
        var hallOfFame:TextField = new TextField();
        hallOfFame.autoSize = TextFieldAutoSize.LEFT;
        hallOfFame.defaultTextFormat = myTextFormat;
        hallOfFame.text = "Hall of Fame";
        hallOfFame.x = gameTitle.x;
        hallOfFame.y = gameTitle.y + 200;
        addChild( hallOfFame );
        hallOfFame.addEventListener( MouseEvent.CLICK, leaderboard);
    }

    // Adds a button to quit the game
    function addQuit()
    {
        var quitGame:TextField = new TextField();
        quitGame.autoSize = TextFieldAutoSize.LEFT;
        quitGame.defaultTextFormat = myTextFormat;
        quitGame.text = "Quit Game";
        quitGame.x = gameTitle.x;
        quitGame.y = gameTitle.y + 300;
        addChild( quitGame );
        quitGame.addEventListener( MouseEvent.CLICK, quit);
    }

    // Switches to game screen
    function start(evt:MouseEvent)
    {
        removeChildren();
        var gameScreen = new Game();
        addChild(gameScreen);
    }

    // Switches to hall of fame screen
    function leaderboard(evt:MouseEvent)
    {
        removeChildren();
        var gameScreen = new HallofFame();
        addChild(gameScreen);
    }

    // Exits the game
    function quit(evt:MouseEvent)
    {
        System.exit(0);
    }
}