package sample;


import robocode.*;
import java.io.*;
import java.awt.Color;


/**
 * SittingDuck - a sample robot by Mathew Nelson
 *
 * Along with sitting still doing nothing,
 * this robot demonstrates persistency.
 */
public class SittingDuck extends AdvancedRobot {
	static boolean incrementedBattles = false;
	
	public void run() {
		setBodyColor(Color.yellow);
		setGunColor(Color.yellow);

		int roundCount, battleCount;
		
		// Read file "count.dat" which contains 2 lines,
		// a round count, and a battle count
		try {
			BufferedReader r = new BufferedReader(new FileReader(getDataFile("count.dat")));

			// Try to get the counts
			roundCount = Integer.parseInt(r.readLine());
			battleCount = Integer.parseInt(r.readLine());
		} catch (IOException e) {
			// Something went wrong reading the file, reset to 0.
			roundCount = 0;
			battleCount = 0;
		} catch (NumberFormatException e) {
			// Something went wrong converting to ints, reset to 0
			roundCount = 0;
			battleCount = 0;
		}

		// Increment the # of rounds
		roundCount++;
		// If we havenn't incremented # of battles already,
		// (Note:  Because robots are only instantiated once per battle,
		// member variables remain valid throughout it.
		if (!incrementedBattles) {
			// Increment # of battles
			battleCount++;
			incrementedBattles = true;
		}

		try {
			PrintStream w = new PrintStream(new RobocodeFileOutputStream(getDataFile("count.dat")));

			w.println(roundCount);
			w.println(battleCount);
			// PrintStreams don't throw IOExceptions during prints,
			// they simply set a flag.... so check it here.
			if (w.checkError()) {
				out.println("I could not write the count!");
			}
			w.close();
		} catch (IOException e) {
			out.println("IOException trying to write: " + e);
		}

		out.println("I have been a sitting duck for " + roundCount + " rounds, in " + battleCount + " battles.");	
	}
}
