package com.newrog.myGame;

import java.util.ArrayList;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.math.Vector2;
import com.newrog.simplegdx.internal.Files;

public class Logo {
	private ArrayList<Runnable> scripts = new ArrayList<Runnable>();
	private Texture texture;
	private Sprite sprite;
	private Vector2 position;
	private float alpha;
	
	public Logo(float x, float y){
		texture = new Texture(Files.get("data/libgdx.png"));
		texture.setFilter(TextureFilter.Linear, TextureFilter.Linear);
		TextureRegion region = new TextureRegion(texture, 0, 0, 512, 275);
		position = new Vector2(x,y);
		sprite = new Sprite(region);
		sprite.setSize( sprite.getWidth(), sprite.getHeight());
		sprite.setOrigin(sprite.getWidth()/2, sprite.getHeight()/2);
		sprite.setPosition(position.x, position.y);
		alpha = 0;
		scripts.add(new FadeIn());
		scripts.add(new SwirlIn());
	}
		
	public void update(){
		for(int i = 0; i < scripts.size(); i++){
			scripts.get(i).run();
		}		
		sprite.setPosition(position.x, position.y);
	}
	
	public void render(SpriteBatch batch){
		batch.setColor(1, 1, 1, alpha);
		batch.draw(sprite, sprite.getX(), sprite.getY(), sprite.getOriginX(), sprite.getOriginY(), sprite.getWidth(), sprite.getHeight(), sprite.getScaleX(), sprite.getScaleY(), sprite.getRotation());
		batch.setColor(1, 1, 1, 1);
	}
	
	
	private class FadeIn implements Runnable{
		@Override
		public void run() {
			alpha += .005f;
			if(alpha>=1f){
				alpha = 1;
				scripts.remove(this);
			}
		}
	}
	
	private class SwirlIn implements Runnable{
		float swirlAngle = 0;
		float distance = 50;
		Vector2 original;
		@Override
		public void run() {
			if(original == null){
				original = position.cpy();
			}
			position.x = (float) (original.x+distance*Math.cos(swirlAngle));
			position.y = (float) (original.y+distance*Math.sin(swirlAngle));
			swirlAngle+=.1;
			if(distance > 0){
				distance-=.3f;	
			}
			if(swirlAngle >= 20){
				scripts.remove(this);
				scripts.add(new Bounce());
			}
			
		}
	}
	private class Bounce implements Runnable{
		int tick = 0;
		@Override
		public void run() {
			if(tick % 40 < 20){
				position.y += .3f;
			}else {
				position.y -= .3f;
			}
			tick++;
		}
	}
	
	public void dispose() {
		texture.dispose();
	}
	
	
}