import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

/**
 * This program is the main executable file of MiniMaxGameBlack
 * Input format MiniMaxGameBlack [input filename] [output file name] [depth]
 * It also supports empty number of arguments as it is facilitated to be entered later in the program.
 * @author sanshack
 *
 */
public class MiniMaxGameBlack {

	/**
	 * args[0] input filename //Not mandatory
	 * args[1] output filename //Not mandatory
	 * args[2] depth //Not mandatory
	 * Also supports empty number of arguments as it is facilitated to be entered later in the program.
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			int mode=1;//mode for mid and end game
			int estimatorIndex=0;
			long startTime = System.currentTimeMillis();
			String inputTextFileName,outputTextFileName;
			int treeDepth=0;
			BufferedReader buff = new BufferedReader(new InputStreamReader( System.in ));
			if(args.length==3) {
				inputTextFileName = args[0];
				outputTextFileName = args[1];
				treeDepth = Integer.parseInt(args[2]);
			}else {
				System.out.println("Enter your input:([input filename] [output file name] [depth])");
				String temp= buff.readLine();
				StringTokenizer st = new StringTokenizer(temp);
				inputTextFileName = st.nextToken();
				outputTextFileName = st.nextToken();
				treeDepth = Integer.parseInt(st.nextToken());
			}
			String initialPosition = new FileReader().getPosition(inputTextFileName);
			if(initialPosition==null) {
				System.out.println("invalid initialPosition given in file "+inputTextFileName);
			}
			String reverse = Utility.reverseColors(initialPosition);
			//System.out.println("Max Depth="+treeDepth);
			System.out.println("Initial Position :"+initialPosition);
			String finalPosition = new MM().getMaxMove(reverse,treeDepth,mode);
			reverse = Utility.reverseColors(finalPosition);
			new FileWriter().writePosition(outputTextFileName,reverse);
			long endTime = System.currentTimeMillis();
			//System.out.print("Time taken="+(endTime-startTime)+" milli secs");
		}catch (Exception e) {
			System.out.println("The input format is not correct or board position is not valid:");
		}
	}

}