package Main.Cells;

import java.awt.Color;
import java.util.Vector;

import Main.Tickable;
/**
 * This class translates heat values into colors.
 * Heats above the mean are tinted red. The hottest is (r,g,b)(1f,0f,0f)
 * Heats below the mean are tinted blue. The coldest is (r,g,b)(0f,0f,1f)
 * Heats at the mean are black. The meanest is (r,g,b)(0f,0f,0f)
 * @author Rory
 *
 */
public final class CellColorCoordinator implements Tickable{
	private double maxInput = 0;
	private double minInput = 0;
	private double meanInput = 0;
	private final Vector<Cell> cells = new Vector<Cell>();
	private final Color[] coldColors = new Color[16];
	private final Color[] hotColors = new Color[16];
	public CellColorCoordinator(){
		for(int i = 0; i < coldColors.length; i++)
			coldColors[i] = new Color(0f,0f,(i/(float)(coldColors.length)));
		for(int i = 0; i < hotColors.length; i++)
			hotColors[i] = new Color((i/(float)(hotColors.length)),0f,0f);
	}
	public void addCell(Cell c){
		cells.add(c);
	}
	public Color getColor(double value){
		if (maxInput < value || minInput > value)
			tick(0);
		if(value < meanInput){
			double range = meanInput - minInput;
			value = meanInput - value;//TODO RIGHT HERE
			value /= (range /(coldColors.length-1));
			int i = (int)Math.round(value);
			//System.out.println(i);
			return coldColors[i];
		}else if(value > meanInput){
			double range = maxInput - meanInput;
			value = value- meanInput;//TODO RIGHT HERE
			value /= (range /(hotColors.length-1));
			int i = (int)Math.round(value);
			//System.out.println(i);
			return hotColors[i];
		}else
			return Color.BLACK;
	}
	public void tick(double dt) {
		maxInput = Double.MIN_VALUE;
		minInput = Double.MAX_VALUE;
		double sum = 0;
		for(Cell c: cells){
			if(c.getHeat() > maxInput)
				maxInput = c.getHeat();
			if(c.getHeat() < minInput)
				minInput = c.getHeat();
			sum += c.getHeat();
		}
		sum /= cells.size();
		meanInput = sum;
	}
}