OperatorMenu.java

import java.util.ArrayList;
import java.io.*;

public class OperatorMenu
{
    public static void OperatorMenuOption (ArrayList<NewStadium> events) throws IOException
    {
	int operatorChoice;
	String newEventName;
	String newEventDate;
	String renameEvent;

	do
	{
	    System.out.println ("\nEnter the option you wish to use\n");
	    System.out.println ("1) Create new event");
	    System.out.println ("2) Rename an event");
	    System.out.println ("3) Change the date of an event");
	    System.out.println ("4) Delete an event");
	    System.out.println ("5) Check log details");
	    System.out.println ("Enter 0 to return to main menu");

	    operatorChoice = TextIO.getlnInt ();

	    if (operatorChoice == 1)
	    {
			System.out.println ("\nCreating a new event\n");
			System.out.println("Enter the name of the new event you wish to create");
			newEventName = TextIO.getlnString ();
			
			System.out.println ("\nEnter the date of when you wish the new event to take place");
			System.out.println ("Format the date as the following: 01/01/2000");
			newEventDate = TextIO.getlnString ();
			
			// Creating the new event with the name and date input, adding it to the list of events
			NewStadium newEvent = new NewStadium (newEventName, newEventDate);
			events.add (newEvent);

			// Printing out new events information
			System.out.println("Successfully created new event: " + events.get(events.size()-1).printInfo(events.get(events.size()-1)));
	    }

	    else if (operatorChoice == 2)
	    {
			System.out.println ("\nRenaming an event\n");
			NewStadium rename = Utils.SelectEvent(events);

			String oldName = rename.getName();

			System.out.println ("Enter the new name");
			renameEvent = TextIO.getlnString ();
			rename.setName(renameEvent);
			
			System.out.println("Successfully renamed event " + oldName + " to " + rename.getName());
	    }

	    else if (operatorChoice == 3)
	    {
			System.out.println ("\nChanging the date of an event\n");
			System.out.println ("Select the event you wish to change the date of");
			NewStadium changeDate = Utils.SelectEvent(events);

			String oldDate = changeDate.getDate();

			System.out.println ("\nEnter the new date of the event");
			System.out.println ("Format the date as the following: 01/01/2000");
			String newDate = TextIO.getlnString ();
			changeDate.setDate(newDate); 

			System.out.println("Successfully changed date from " + oldDate + " to " + changeDate.getDate());
	    }
	    else if (operatorChoice == 4)
	    {
			System.out.println("\nDeleting an event\n");    
			System.out.println("Select the event you wish to delete");
			NewStadium delete = Utils.SelectEvent(events);
			
			System.out.println("Event: " + delete.printInfo(delete) + " has been deleted."); 
			
			events.remove(delete);	// deleting the event selected            
	    }
	    else if (operatorChoice == 5)
	    {
			System.out.println("\nChecking log details\n");
			
			final String logName = "log.txt";
			
			if(new File(logName).exists())
			{   
				BufferedReader in = new BufferedReader(new FileReader(logName));
				
				String launches = in.readLine();
				
				if(Integer.parseInt (launches) == 1)
				System.out.println("Program has been launched " + launches + " time.");
				else
				System.out.println("Program has been launched " + launches + " times.");

		}
		else
		    System.out.println("Program has never been launched yet, or log.txt name has been changed/edited.");
	    }
	    else if (operatorChoice == 0)
			continue;
	    else
			System.out.println("Bad input, try again.");
	}
	while (operatorChoice != 0);
    }
}