package {
	import flash.ui.Keyboard;
	
	public class PlayerInputController {
		public var player:PlayerModel;
		private var keysDown:Vector.<Boolean>;
		
		public function PlayerInputController(player:PlayerModel) {
			this.player = player;
			keysDown = new Vector.<Boolean>(4, true);
		}
		
		public function keyDown(keyCode:int):void {
			switch (keyCode) {
				case Keyboard.LEFT:
					player.startMoving(Direction.WEST);
					keysDown[Direction.WEST] = true;
					break;
					
				case Keyboard.RIGHT:
					player.startMoving(Direction.EAST);
					keysDown[Direction.EAST] = true;
					break;
					
				case Keyboard.UP:
					player.startMoving(Direction.NORTH);
					keysDown[Direction.NORTH] = true;
					break;
					
				case Keyboard.DOWN:
					player.startMoving(Direction.SOUTH);
					keysDown[Direction.SOUTH] = true;
					break;
					
				case Keyboard.SPACE:
					player.interact();
					break;
			}
		}
		
		public function keyUp(keyCode:int):void {
			switch (keyCode) {
				case Keyboard.LEFT:
					player.stopMoving(Direction.WEST);
					keysDown[Direction.WEST] = false;
					if (player.facing == Direction.WEST) {
						if (keysDown[Direction.NORTH]) {
							player.startMoving(Direction.NORTH);
						} else if (keysDown[Direction.SOUTH]) {
							player.startMoving(Direction.SOUTH);
						} else if (keysDown[Direction.EAST]) {
							player.startMoving(Direction.EAST);
						}
					}
					break;
					
				case Keyboard.RIGHT:
					player.stopMoving(Direction.EAST);
					keysDown[Direction.EAST] = false;
					if (player.facing == Direction.EAST) {
						if (keysDown[Direction.EAST]) {
							player.startMoving(Direction.NORTH);
						} else if (keysDown[Direction.SOUTH]) {
							player.startMoving(Direction.SOUTH);
						} else if (keysDown[Direction.WEST]) {
							player.startMoving(Direction.WEST);
						}
					}
					break;
					
				case Keyboard.UP:
					player.stopMoving(Direction.NORTH);
					keysDown[Direction.NORTH] = false;
					if (player.facing == Direction.NORTH) {
						if (keysDown[Direction.WEST]) {
							player.startMoving(Direction.WEST);
						} else if (keysDown[Direction.EAST]) {
							player.startMoving(Direction.EAST);
						} else if (keysDown[Direction.SOUTH]) {
							player.startMoving(Direction.SOUTH);
						}
					}
					break;
					
				case Keyboard.DOWN:
					player.stopMoving(Direction.SOUTH);
					keysDown[Direction.SOUTH] = false;
					if (player.facing == Direction.SOUTH) {
						if (keysDown[Direction.WEST]) {
							player.startMoving(Direction.WEST);
						} else if (keysDown[Direction.EAST]) {
							player.startMoving(Direction.EAST);
						} else if (keysDown[Direction.NORTH]) {
							player.startMoving(Direction.NORTH);
						}
					}
					break;
			}
		}
	}
}