public class Gunfight {
  public static void main(String[] args) {
      int i, num, max, Max, nBottlesConsumed = 1, maxBottlesAllowed = 3;

      // check # of arguments from the command line
      if(args.length == 0) { 
          System.out.println("Please enter at least one parameter: 'java Gunfight [nBottlesConsumedDrunk] [maxBottlesAllowedAllowed]' "); 
          System.exit(-1);
      }

      // convert the 1_st paramater which is a string to integer
      if ((num = Integer.parseInt(args[0])) > 0)
          nBottlesConsumed = num;

      // convert the 2_nd paramater if it exists
      if ((args.length > 1) && (max = Integer.parseInt(args[1])) > 0)
          maxBottlesAllowed = max;

      /*
       * create(construct or instantiate) an object (instance) called
       * sweatyPost with an argument passed to the constructor of 
       * a class named WesternTown
       */ 
      WesternTown sweatyPost = new WesternTown("Northwestern America");
      // WesternTown sweatyPost = new WesternTown();
      sweatyPost.saloons = 2;
      sweatyPost.sheriffs = 1;
      sweatyPost.troublemakers = 5;

      /*
       * create(construct or instantiate) an object (instance) called
       * terry from the constructor of a class named Humans
       */ 
      Humans terry = new Humans();
      terry.whiskeyPreference = "Straight";
      terry.wasNamed("Terry");

      /* 
       * maurice is a Villain which is extended (subcalss, inherit) 
       * from Humans class
       */
      Villain maurice = new Villain();
      maurice.hatColor = "black";
      maurice.mustacheColor = "red";
      maurice.horseName = "Beer Gut";
      maurice.whiskeyPreference = "Jack Daniels";
      maurice.wasNamed("Maurice");

      for (i = 0; i < nBottlesConsumed; i++)
          maurice.drinkWhiskey();

      num = maurice.howDrunkAmI();
      // if (num = maurice.howDrunkAmI())

      /* 
       * Maurice will behave badly only if 
       * the villain drink more than maxBottlesAllowed
       */
      if (num > maxBottlesAllowed) {
        /*
         * Assignment: write a subclass named Sheriff which
         * inherits superclass named Humans.
         * Now assuming Mary decides to attend police academy
         * to become a Sheriff. How would you instantiate her?
         */
        Humans mary = new Humans(); 
        mary.horseName = "Midnight"; 
        mary.whiskeyPreference = "Straight"; 
        mary.wasNamed("Mary"); 

        System.out.println(maurice.whatIsYourName() + " drank " +
                        maurice.howDrunkAmI() + " bottles of " + 
                        maurice.whiskeyPreference +
                        "in an old town of " +
                        sweatyPost.location);

        maurice.tieUpDamsel(terry);
        System.out.println(mary.whatIsYourName() + 
                           " rode a horse named " +
                           mary.horseName + " came to rescue.");
      } else {
        if (num > 1) {  // drank more than 1 bottle
          System.out.println(maurice.whatIsYourName() +
                             " was riding a horse named \"" +
                             maurice.horseName + 
                             "\" and jumping up and down.");

          /*
           * if this mean guy drank more than maxBottlesAllowedAllowed
           * we set Max = 0 to force this guy to drink plenty
           * of water - see  "do while" loop
           */
          if (nBottlesConsumed > maxBottlesAllowed)
              Max = 0;
          else 
              Max = 1;

          do {
              maurice.drinkWater(); 
              num = maurice.howDrunkAmI();
          } while (num > Max);

          System.out.println("Is " + maurice.whatIsYourName() + 
                             " drunk?");

          if (maurice.areYou("Jack"))
              System.out.println("Yes. num: " + num);
          else {
              if (maurice.areYou("Maurice"))
                  System.out.println("Not sure. num: " + num);
              else
                  System.out.println("Yes. num: " + num);
          }
        } else 
          System.out.println(maurice.whatIsYourName() + " was board.");
      }
      System.out.println("\n\t\tThe End.");
  }
}