/*
      Program:     4.6
      Programmer:  Brad Shedd
      Date:        May 22, 2006
      File:        Traffic.java
      Purpose:     Calculates traffic ticket and court cost.
*/

import java.io.*;
import java.text.DecimalFormat;
import javax.swing.JOptionPane;

public class Traffic
{
   public static void main(String[]arg)
   {
      //declare variables
      int limit, speed, tickets;
      double charge, cost;

      //method calls
      displayWelcome();
      speed = getSpeed();
      limit = getLimit();
      tickets = getTickets();
      charge = calccharge(speed, limit);
      cost = calccost(tickets);
      displaytot(charge, cost);
      finish();

   } // end main
   public static void displayWelcome()
   {
      JOptionPane.showMessageDialog(null, "Welcome to the Ticket Program","Welcome",JOptionPane.PLAIN_MESSAGE);
   }
   public static int getSpeed()
   {
      // declare method variables
      int speed = 0;
      boolean done = false;

      // loop while not done
      while (!done)
      {

         String strSpeed = JOptionPane.showInputDialog(null,"Enter the violater's speed,\n or click Cancel to exit:");

         if (strSpeed == null) finish();

         try
         {
            speed = Integer.parseInt(strSpeed);
            if (speed <= 0) throw new NumberFormatException();
            else done = true;
         }
         catch(NumberFormatException e)
         {
            JOptionPane.showMessageDialog(null,"Your entry was not in the proper format.","Error",JOptionPane.INFORMATION_MESSAGE);
         }
      }

      return speed;
   } // end getSpeed

   public static int getLimit()
   {
      // declare method variables
      int limit = 0;
      boolean done = false;

     // loop while not done
      while (!done)
      {

         String strlimit = JOptionPane.showInputDialog(null,"Enter the speed limit, \nor click Cancel to exit:");

         if (strlimit == null) finish();

         try
         {
            limit = Integer.parseInt(strlimit);
            if (limit <= 0) throw new NumberFormatException();
            else done = true;
         }
         catch(NumberFormatException e)
         {
            JOptionPane.showMessageDialog(null,"Your entry was not in the proper format.","Error",JOptionPane.INFORMATION_MESSAGE);
         }
     }

      return limit;
   } // end getLimit

   public static int getTickets()
   {
      // declare method variables
      int tickets = 0;
      boolean done = false;

      // loop while not done
      while (!done)
      {

        String strtickets = JOptionPane.showInputDialog(null,"Enter the number of previous \ntickets, or click Cancel to exit:");

         if (strtickets == null) finish();

         try
         {
            tickets = Integer.parseInt(strtickets);
            if (tickets < 0) throw new NumberFormatException();
            else done = true;
         }
         catch(NumberFormatException e)
         {
            JOptionPane.showMessageDialog(null,"Your entry was not in the proper format.","Error",JOptionPane.INFORMATION_MESSAGE);
         }
      }

      return tickets;
   } // end getTickets
   public static double calccharge(int speed,int limit)
   {
      double charge;

      charge = (speed - limit) * 10;

      return charge;
   } // end calccharge
   public   static double calccost(int tickets)
   {
      double cost;
      double base = 53.20;
      double cap = 93.20;

      tickets+=1;

      switch(tickets)
      {
         case 1:
            cost = base;
            break;
         case 2:
            cost = base + 20;
           break;
         case 3:
            cost = base + 40;
            break;
         default :
            cost = cap;
            break;
      }

     return cost;
   } // end calccost
   public static void displaytot(double charge,double cost)
   {
      double total;

      total = charge + cost;

     DecimalFormat twoDigits = new DecimalFormat("$###0.00");

      JOptionPane.showMessageDialog(null, "Ticket Charge = "+ twoDigits.format (charge) + "\nCourt Cost = "+ twoDigits.format (cost) + "\n Total = "+ twoDigits.format (total),"Tickets",JOptionPane.PLAIN_MESSAGE);

   } // end displaytot
   public static void finish()
   {
   System.exit(0);
   }
} // end traffic

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