package zero1hd.polyjet.entity;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.utils.Pool.Poolable;

public class VoidCircle extends Actor implements Entity, Poolable {
	float timer;
	float endRadius;
	private float currentRadius;
	Rectangle hitBox;
	ShapeRenderer shapeRenderer;
	float growthRate;
	boolean done;
	
	public VoidCircle(ShapeRenderer shapeRenderer) {
		hitBox = new Rectangle();
		this.shapeRenderer = shapeRenderer;
	}
	
	public void init(float endRadius, float x, float y, float growthRate, float warningTime) {
		timer = warningTime;
		this.endRadius = endRadius;
		setSize(2*endRadius, 2*endRadius);
		setX(x);
		setY(y);
		this.growthRate = growthRate;
	}
	
	@Override
	public void act(float delta) {
		hitBox.setPosition(getX(), getY());
		if (timer > 0) {
			timer -= delta;
		} else {
			if (currentRadius < endRadius) {
				growCurrentRadius(delta*growthRate);
			} else {
				endRadius = -1f;
				if (currentRadius > 0) {
					growCurrentRadius(delta*-3*growthRate);
				} else {
					done = true;
				}
			}
		}
		super.act(delta);
	}
	
	@Override
	public void draw(Batch batch, float parentAlpha) {
		if (timer <= 0) {
			shapeRenderer.set(ShapeType.Filled);
			shapeRenderer.setColor(Color.BLACK);
			shapeRenderer.circle(getX(), getY(), currentRadius);
		}
		shapeRenderer.set(ShapeType.Line);
		shapeRenderer.setColor(Color.RED);
		shapeRenderer.circle(getX(), getY(), endRadius);
		super.draw(batch, parentAlpha);
	}
	
	@Override
	public void reset() {
		hitBox.set(0, 0, 0, 0);
		currentRadius = 0;
		growthRate = 0;
		timer = 0;
		endRadius = 0;
		done = false;
	}
	
	public void setCurrentRadius(float currentRadius) {
		this.currentRadius = currentRadius;
		hitBox.setSize(2*(currentRadius*currentRadius));
		hitBox.setCenter(getX(), getY());
	}
	
	public void growCurrentRadius(float currentRadius) {
		this.currentRadius += currentRadius;
		hitBox.setSize(2*(currentRadius*currentRadius));
		hitBox.setCenter(getX(), getY());
	}
	
	@Override
	public Rectangle getHitZone() {
		return hitBox;
	}

	@Override
	public Entities getEntityType() {
		return Entities.VOID_CIRCLE;
	}

	@Override
	public void collided(Entity entity) {
	}
}