package backend;
import java.awt.Color;
import java.util.ArrayList;
import java.util.Random;

public class Sheep extends Agent {
	
	int hunger;
	Random rand;
	
	Sheep(int x,int y){
		//first we call the constructor of the superClass(Animal)
		super(x,y,Color.white, 20, 3);
		hunger = 0;
		rand = new Random();
	}

	public boolean liveTurn(ArrayList<Agent> neighbors, Simulator world) {
		
		// color darken the more it is starved
		if(hunger<=100 && hunger>0) {
			Color color = new Color((int)(255-2.54*hunger), (int)(255-2.54*hunger), (int)(255-2.54*hunger));
			this.changeColor(color);
		}
		
		if(this.searchFood(triggerRadius, world).isEmpty()) {	// no food nearby ?
			this.moveRandom(world);
			hunger++;
		}
		else {	// go to food !
			this.moveToFood(this.searchFood(triggerRadius, world).get(0), this.searchFood(triggerRadius, world).get(1), world);
			if(world.getCell(x, y)==1) {
				world.setCell(x, y, 0);
				if(hunger > 30) {hunger = hunger - 30;}
			}
		}
		return hunger>100;
	}

	private ArrayList<Integer> searchFood(int radius, Simulator world) {	// targets the nearest food (= cell alive)
		ArrayList<Integer> coordinates = new ArrayList<Integer>();
		for(int x = this.x - radius; x < this.x + radius; x++) {
			for(int y = this.y - radius; y < this.y + radius; y++) {
				if(x > 0 && x < world.getWidth() && y > 0 && y < world.getHeight() && isInArea(x, y, radius) && world.getCell(x, y) == 1) {
					coordinates.add(x);
					coordinates.add(y);
				}
			}
		}
		return coordinates;
	}
	
	private void moveRandom(Simulator world) {
		int direction = rand.nextInt(4);
		if(direction == 0 && x < world.getWidth()-1) {
			x+=1;
		}
		if(direction == 1 && y < world.getHeight()-1) {
			y+=1;
		}
		if(direction == 2 && x > 0) {
			x-=1;
		}
		if(direction == 3 && y > 0) {
			y-=1;
		}
	}
	
	private void moveToFood(int x, int y, Simulator world) {
		int clever = rand.nextInt(6 - this.intelligence);
		if(this.intelligence == 0) {
			this.moveRandom(world);
		}
		
		if(clever == 0) {
			if(this.x < x && x < world.getWidth()-1) {
				this.x+=1;
			}
			if(this.y < y && y < world.getHeight()-1) {
				this.y+=1;
			}
			if(this.x > x && x > 0) {
				this.x-=1;
			}
			if(this.y > y && y > 0) {
				this.y-=1;
			}
		}
		else {this.moveRandom(world);}
		
	}
}