// CSE 142 Summer 2008, Helene Martin
//
// Snakes slither: E S W W S E E E S W W W W S E E E E E ...

import java.awt.*;
import java.util.*;

public class Snake extends Critter {
	private int cycleLength;		// how many steps in current horizontal cycle
	private int cycleStep;			// how many of the cycle's steps already taken
	private Random r;					// for fighting
	
	public Snake() {
		cycleLength = 1;
		cycleStep = 0;
		r = new Random();
	}
	
	public Direction getMove() {
		cycleStep++;
		
		// println statements are useful for debugging:
		// System.out.println("cycleStep: " + cycleStep + " cycleLength: " + cycleLength);
		
		if(cycleStep > cycleLength) {
			// Cycle was just completed
			cycleLength++;
			cycleStep = 0;
			return Direction.SOUTH;
		} else if(cycleLength % 2 == 1) {
			return Direction.EAST;
		} else {
			return Direction.WEST;
		}
	}
	
	public Attack fight(String opponent) {
		int attack = r.nextInt(2);
		
		if(attack == 0) {
			return Attack.POUNCE;
		} else {
			return Attack.ROAR;
		}
	}
	
	public String toString() {
		return "S";
	}
	
	public Color getColor() {
		// R: 0 - 255, G: 0 - 255, B: 0 - 255
		return new Color(20, 50, 128);
	}
	
	// we can keep the default eat behavior!
}