/* vim: set expandtab tabstop=4 shiftwidth=4 : */

// package pkgname;

import java.io.File;
import java.util.Date;
import jargs.gnu.CmdLineParser;

public class Percolation {
     public Percolation(int N)              // create N-by-N grid, with all sites blocked
        public void open(int i, int j)         // open site (row i, column j) if it is not already
        public boolean isOpen(int i, int j)    // is site (row i, column j) open?
        public boolean isFull(int i, int j)    // is site (row i, column j) full?
        public boolean percolates()            // does the system percolate?
}
/**
 * Class Percolation
 *
 * @author  <john.doe@nope.com>
 * @date 02/03/13
 */
 public class Percolation {

	/*
	 * print usage and exit with status 1
	 */
	private static void printUsage () {
		System.err.println("Usage : Percolation [{-d, --debug} a_float] [ --input file_name]");
		System.err.println("            debug   : debug verbosity");
		System.err.println("            input   : path to input file");
	}

	/**
	 * application entry point
	 */
	public static void main (String [] args ) {

        CmdLineParser parser = new CmdLineParser();
        CmdLineParser.Option debug = parser.addIntegerOption('d',"debug");
        CmdLineParser.Option input = parser.addStringOption("input");

        try {
            parser.parse(args);
        } catch(CmdLineParser.OptionException e) {
            System.err.println("\n"+e.getMessage());
            printUsage();
		    System.exit(2);
        }

        int debugLevel = ((Integer)parser.getOptionValue(debug,new Integer(0))).intValue();
        String inputFile = (String)parser.getOptionValue(input);

        if(debugLevel>0){
            System.out.println("Debug Trace :");
            System.out.println("\t"+new Date( ) );
            System.out.println("\tdebug level : "+debugLevel);
            System.out.println("\texcel file  : "+inputFile);
        }

        if(inputFile!=null && !inputFile.equals("")){
            File f = new File(inputFile);
            if(!f.canRead()){
                System.err.println("Fatal Error : Unable to read "+inputFile);
                System.exit(1);
            }
        }

        System.exit(0);
    }
}