/*
   RobustTimeTest.java by Craig Persiko
   Test File for RobustTime class

   This tests the Time class, which is used to store a time of day and output it.
   It also store the current time of day, and throws exceptions if format is wrong.
*/

import javax.swing.JOptionPane;

class RobustTimeTest      // feel free to convert this program to an applet if you wish.
{
  public static void main(String args[])
  {
    RobustTime breakfastTime, lunchTime, dinnerTime;

    inputCurTime();

    breakfastTime = new RobustTime(9, 0); // store 9:00 AM
    lunchTime = new RobustTime(12, 0); // store 12:00 PM
    dinnerTime = new RobustTime(18, 30); // store 6:30 PM

    System.out.print("It's now ");
    RobustTime.showCurTime(false);     // display current time
    System.out.print("\nBreakfast is at ");
    breakfastTime.show(true);              // display with AM
    if(breakfastTime.isLaterToday())
      System.out.println("\nwhich is later today.");
    else
      System.out.println("\nwhich is not until tomorrow.");

    System.out.print("Lunch is at ");
    lunchTime.show(true);              // display with PM
    if(lunchTime.isLaterToday())
      System.out.println("\nwhich is later today.");
    else
      System.out.println("\nwhich is not until tomorrow.");

    System.out.print("Dinner is at ");
    dinnerTime.show(false);              // display without PM
    if(dinnerTime.isLaterToday())
      System.out.println("\nwhich is later today.");
    else
      System.out.println("\nwhich is not until tomorrow.");

    RobustTime.addToCurTime(90);  // make current time 90 minutes later
    System.out.print("Imagine 90 minutes have passed and it is now ");
    RobustTime.showCurTime(true);     // display current time
    if(lunchTime.isLaterToday())
      System.out.println("\nLunch is later today.");
    else
      System.out.println("\nLunch is not until tomorrow.");
    if(dinnerTime.isLaterToday())
      System.out.println("Dinner is later today.");
    else
      System.out.println("Dinner is not until tomorrow.");

    System.exit(0);
  }

  // Input current time from user, looping if its format is incorrect.
  static void inputCurTime()
  {
    int colonIdx, hour, min;
    String entry;

    while(true) // loop until break statement after CurTime is properly set.
    {
      entry = JOptionPane.showInputDialog( // Beware that this won't work on hills unless it's an applet
          "What time is it? (Please use 24-hour hh:mm format)");

      try
      {
        colonIdx = entry.indexOf(':');
        hour = Integer.parseInt(entry.substring(0, colonIdx));
        min = Integer.parseInt(entry.substring(colonIdx+1));
        RobustTime.setCurTime(hour, min);
        break;
      }
      catch(InvalidTimeException e)
      {
        System.out.println(e.getMessage());
      }
      catch(NullPointerException e)  // if user clicked "Cancel"
      {
        System.exit(0);
      }
      catch(Exception e)
      {
        System.out.println("Invalid Format: Please use 24-hour hh:mm format");
      }
    }

  }
}

/* Sample Output:

What time is it? (Please use 24-hour hh:mm format) (displayed in dialog)
tenten (entered in dialog)
Invalid Format: Please use 24-hour hh:mm format
What time is it? (Please use 24-hour hh:mm format) (displayed in dialog)
ten:ten (entered in dialog)
Invalid Format: Please use 24-hour hh:mm format
What time is it? (Please use 24-hour hh:mm format) (displayed in dialog)
100:10 (entered in dialog)
Error: 100:10 is an invalid Time: hour must be between 0 and 23,
and minute must be between 0 and 59.
What time is it? (Please use 24-hour hh:mm format) (displayed in dialog)
10:100 (entered in dialog)
Error: 10:100 is an invalid Time: hour must be between 0 and 23,
and minute must be between 0 and 59.
What time is it? (Please use 24-hour hh:mm format) (displayed in dialog)
10:10 (entered in dialog)
It's now 10:10
Breakfast is at 9:00AM
which is not until tomorrow.
Lunch is at 12:00PM
which is later today.
Dinner is at 18:30
which is later today.
Imagine 90 minutes have passed and it is now 11:40AM
Lunch is later today.
Dinner is later today.

-----------------------------------------------------

What time is it? (Please use 24-hour hh:mm format)
(Cancel button clicked in dialog)
(Program ends)

*/