package com.isartdigital.shmup.ui.hud
{
	import com.isartdigital.shmup.controller.Controller;
	import com.isartdigital.utils.Config;
	import com.isartdigital.utils.ui.Screen;
	import com.isartdigital.shmup.ui.UIManager;
	import com.isartdigital.utils.ui.UIPosition;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.display.DisplayObject;
	import flash.text.TextField;
	import com.isartdigital.shmup.game.GameManager;
	/**
	 * Classe en charge de gérer les informations du Hud
	 * @author Mathieu ANTHOINE
	 */
	public class Hud extends Screen
	{

		/**
		 * instance unique de la classe Hud
		 */
		protected static var instance: Hud;

		public var mcTopLeft:Sprite;
		public var mcTopCenter:Sprite;
		public var mcTopRight:Sprite;
		public var mcBottomRight:Sprite;
		public var SPbar = DisplayObject;
		public var bar = DisplayObject;
		public var HUDscore:TextField;
		protected var life0;
		protected var life1;
		protected var life2;
		protected var life3;
		protected var life4;
		protected var bomb0;
		protected var bomb1;
		protected var bomb2;
		protected var bomb3;
		protected var bomb4;
		protected var mcBar;
		public function Hud()
		{
			super();
			addEventListener(Event.ADDED_TO_STAGE, Init);
			if (!Config.debug && Controller.type != Controller.TOUCH) {
				removeChild(mcBottomRight);
				mcBottomRight = null;
			}
		}

		/**
		 * Retourne l'instance unique de la classe, et la crée si elle n'existait pas au préalable
		 * @return instance unique
		 */
		public static function getInstance (): Hud {
			if (instance == null) instance = new Hud();
			return instance;
		}

		/**
		 * repositionne les éléments du Hud
		 * @param	pEvent
		 */
		override protected function onResize (pEvent:Event=null): void {
			UIManager.getInstance().setPosition(mcTopLeft, UIPosition.TOP_LEFT);
			UIManager.getInstance().setPosition(mcTopCenter, UIPosition.TOP);
			UIManager.getInstance().setPosition(mcTopRight, UIPosition.TOP_RIGHT);
			if (mcBottomRight!=null) UIManager.getInstance().setPosition(mcBottomRight, UIPosition.BOTTOM_RIGHT);
		}
		/**
		 * Ajoute, graphiquement, une vie(Change alpha des MovieClips)
		 */
		public function addLife() : void {
		   if (life0.alpha < 1) life0.alpha = 1;
		   else if (life1.alpha < 1) life1.alpha = 1;
		   else if (life2.alpha < 1) life2.alpha = 1;
		   else if (life3.alpha < 1) life3.alpha = 1;
		   else if (life4.alpha < 1) life4.alpha = 1;
		}

		/**
		 * Ajoute, graphiquement, une Bombe(Change alpha des MovieClips)
		 */
		public function addBomb() : void {
		   if (bomb0.alpha < 1) bomb0.alpha = 1;
		   else if (bomb1.alpha < 1) bomb1.alpha = 1;
		   else if (bomb2.alpha < 1) bomb2.alpha = 1;
		   else if (bomb3.alpha < 1) bomb3.alpha = 1;
		}

		/**
		 * Enleve, graphiquement, une vie(Change alpha des MovieClips)
		 */
		public function removeLife() : void {
		   if (life4.alpha == 1) life4.alpha = 0.5;
		   else if (life3.alpha == 1) life3.alpha = 0.5;
		   else if (life2.alpha == 1) life2.alpha = 0.5;
		   else if (life1.alpha == 1) life1.alpha = 0.5;
		   else if (life0.alpha == 1) life0.alpha = 0.5;
		}

		/**
		 * Enleve, graphiquement, une Bombe(Change alpha des MovieClips)
		 */
		public function removeBomb() : void {
		   if (bomb3.alpha == 1) bomb3.alpha = 0.5;
		   else if (bomb2.alpha == 1) bomb2.alpha = 0.5;
		   else if (bomb1.alpha == 1) bomb1.alpha = 0.5;
		   else if (bomb0.alpha == 1) bomb0.alpha = 0.5;
		}
		public function increaseSpecial():void {
			bar.x += 30;
		}
		public function decreaseSpecial():void {
			bar.x -= 300;
		}
		protected function Init(e:Event):void {
			HUDscore = TextField(mcTopCenter.getChildByName("txtScore"));
			life0 = mcTopRight.getChildByName("mcLife0");
			life1 = mcTopRight.getChildByName("mcLife1");
			life2 = mcTopRight.getChildByName("mcLife2");
			life3 = mcTopRight.getChildByName("mcLife3");
			life4 = mcTopRight.getChildByName("mcLife4");
			bomb0 = mcTopLeft.getChildByName("mcBomb0");
			bomb1 = mcTopLeft.getChildByName("mcBomb1");
			bomb2 = mcTopLeft.getChildByName("mcBomb2");
			bomb3 = mcTopLeft.getChildByName("mcBomb3");
			bomb4 = mcTopLeft.getChildByName("mcBomb4");
			SPbar = mcTopLeft.getChildByName("mcSpecialBar");
			bar = SPbar.getChildByName("mcBar");
		}
		/**
		 * détruit l'instance unique et met sa référence interne à null
		 */
		override public function destroy (): void {
			instance = null;
			super.destroy();
		}

	}
}