package
{
	import flash.display.MovieClip;
	import flash.events.KeyboardEvent;
	import flash.events.Event;
	import com.game.Ship;
	import com.game.Bullet;
	import com.game.Asteroid;
	import flash.text.TextField;
	import flash.text.TextFormat;

	public class Main extends MovieClip
	{

		// score and character stuff

		var playerScore:Number = 0;
		var score:TextField = new TextField();
		var scoreformat:TextFormat = new TextFormat();



		// asteroid stuff

		//how much time before another enemy is made
		var AsteroidTime:int = 0;
		//how much time needed to make an enemy
		//it should be more than the shooting rate
		//or else killing all of the enemies would
		//be impossible :O
		var AsteroidLimit:int = 16;


		// movement stuff
		public var isLeft:Boolean;
		public var isRight:Boolean;
		public var isUp:Boolean;
		public var isDown:Boolean;

		// bullet stuff

		//how much time before allowed to shoot again
		var cTime:int = 0;
		//the time it has to reach in order to be allowed to shoot (in frames)
		var cLimit:int = 12;
		//whether or not the user is allowed to shoot
		var shootAllow:Boolean = true;




		private var _ship:Ship;

		public function Main()
		{

			//this movieclip will hold all of the bullets
			var BulletContainer:MovieClip = new MovieClip();
			addChild(BulletContainer);


			// constructor code
			trace("hello");

			stage.addEventListener(KeyboardEvent.KEY_DOWN, downHandler);
			stage.addEventListener(KeyboardEvent.KEY_UP, upHandler);
			addEventListener(Event.ENTER_FRAME, update);

			createShip();
			createScoreField();





		}

		private function createScoreField()
		{
			score.text = "Score: " + playerScore;
			score.x = 20;
			score.y = 800;
			scoreformat.color = 0x00FF00;
			scoreformat.size = 40;
			score.setTextFormat( scoreformat );

			stage.addChild(score);


		}


		private function createShip()
		{
			_ship = new Ship();
			_ship.setUp(350, 800, this);

			addChild(_ship);

		}

		private function update(e:Event)
		{

			if (cTime < cLimit)
			{
				cTime++;
			}
			else
			{
				shootAllow = true;

				cTime = 0;
			}

			//adding enemies to stage
			if (AsteroidTime < AsteroidLimit)
			{
				//if time hasn't reached the limit, then just increment
				AsteroidTime++;
			}
			else
			{
				//defining a variable which will hold the new enemy
				var newAsteroid = new Asteroid();
				//making the enemy offstage when it is created
				newAsteroid.y = -1 * newAsteroid.height;
				//making the enemy's x coordinates random
				//the "int" function will act the same as Math.floor but a bit faster
				newAsteroid.x = int(Math.random()*(stage.stageWidth - newAsteroid.width));
				//then add the enemy to stage
				addChild(newAsteroid);
				//and reset the enemyTime
				AsteroidTime = 0;
			}
		}


		private function upHandler(e:KeyboardEvent)
		{
			if (e.keyCode == 37)
			{
				isLeft = false;
			}
			else if (e.keyCode == 39)
			{
				isRight = false;
			}
			else if (e.keyCode == 38)
			{
				isUp = false;
			}
			else if (e.keyCode == 40)
			{
				isDown = false;
			}
		}

		private function downHandler(e:KeyboardEvent)
		{
			if (e.keyCode == 37)
			{
				isLeft = true;
			}
			else if (e.keyCode == 39)
			{
				isRight = true;
			}
			else if (e.keyCode == 38)
			{
				isUp = true;
			}
			else if (e.keyCode == 40)
			{
				isDown = true;
			}
			else if (e.keyCode == 32 && shootAllow)
			{
				//making it so the user can't shoot for a bit
				shootAllow = false;
				//declaring a variable to be a new Bullet
				var newBullet:Bullet = new Bullet();
				//changing the bullet's coordinates
				newBullet.x = _ship.x + 17 - newBullet.width / 2;
				newBullet.y = _ship.y;
				//then we add the bullet to stage
				BulletContainer.addChild(newBullet);

			}
		}
	}// end of class
}// end of package