/*	Program name:		ProgramOne.java
	Author:				Lewis Reilly		
	Course: 			Foundation Degree in Software Engineering
	Date created:		4th April 2007
	Date last amended:	- - - - - - - 
	
	-------------------------------------------------------------------------------------
	This program displays a menu for a golfing club allowing the user to view or amend 
	the details of a golfer. It displays the annual subscription fee that golfer owes and
	if they are a senior golfer it gives them a 20% reduction. 				
	------------------------------------------------------------------------------------- 
*/

import java.applet.* ;
import java.awt.* ; 
import java.awt.event.* ;


public class ProgramTwo extends Applet implements ActionListener
{
	// Declare constants
	
	final double 	REDUCTION 				= 0.8 ;
	final double 	FULLMEMBERSHIPFEE 		= 240.0 ;
	final double 	TEMPORARYMEMBERSHIPFEE 	= 120.0 ;
	final int		FULLMEMBERRANGE			= 599;
	final int		TEMPMEMBERRANGE			= 999;
	
	
	
	
	// Declare components
	
	Label		titleLabel, golferNameLabel, membershipCodeLabel, insurancePremiumLabel;
	Label		membershipTypeLabel, membershipFeeLabel ;
	
	TextField	golferNameText, membershipCodeText, insurancePremiumText, membershipTypeText ;
	TextField	membershipFeeText, statusBoxText, runningTotalText ;
	
	Button 		acceptButton, clearButton ;
	
	
	// Declare variables
	
	double membershipCode;
	String membershipCodeString;
	
	double insurancePremium;
	String insurancePremiumString;
	
	double membershipFee;
	String membershipFeeString;
	
	int noOfFullMembers, noOfTempMembers ;
	String runningTotal; 
	
	
	private void createComponents()
	{
		// Labels
		
		titleLabel				= new Label("Golf Club membership System");
		golferNameLabel			= new Label("           Name");
		membershipCodeLabel		= new Label("Membership Code");
		insurancePremiumLabel	= new Label("Insurance Premium £ ");
		membershipTypeLabel		= new Label("Membership Type");
		membershipFeeLabel		= new Label("Membership Fee £ ");
		
		
		// TextFields
		
		golferNameText			= new TextField(15);
		membershipCodeText		= new TextField(10);
		insurancePremiumText	= new TextField(10);
		membershipTypeText		= new TextField(10);
		membershipFeeText		= new TextField(10);
		statusBoxText			= new TextField(20);
		runningTotalText		= new TextField(20);
		
		// Set-up TextFields that cannot be edited
		
		membershipTypeText.setEditable(false);
		membershipFeeText.setEditable(false);
		statusBoxText.setEditable(false);
		runningTotalText.setEditable(false);
		
		// Set default value for statusBoxText
		
		statusBoxText.setText("Enter details >> Click Accept.");
		
		
		// Buttons
		
		acceptButton	= new Button("Accept");
		clearButton		= new Button("Clear");
		
		acceptButton.addActionListener(this);
		
		// Set-up default runningTotalText
		
		noOfFullMembers = 0;
		noOfTempMembers = 0;
		
		runningTotal = noOfFullMembers + " full-time, " + noOfTempMembers + " part-time";
		runningTotalText.setText(runningTotal);
	
	} // End of createComponents method
	
	private void addComponents()
	{
		add(titleLabel);
		
		add(golferNameLabel);
		add(golferNameText);
		
		add(membershipCodeLabel);
		add(membershipCodeText);
		
		add(insurancePremiumLabel);
		add(insurancePremiumText);
		
		add(membershipTypeLabel);
		add(membershipTypeText);
		
		add(membershipFeeLabel);
		add(membershipFeeText);
				
		add(statusBoxText);
		
		add(acceptButton);
		add(clearButton);
		
		add(runningTotalText);
	
	} // End of addComponents method
	
	
	public void processGolfersDetails()
	{
		// 
		membershipCodeString = membershipCodeText.getText();
		membershipCode = Double.valueOf(membershipCodeString).doubleValue();
		
		insurancePremiumString = insurancePremiumText.getText();
		insurancePremium = Double.valueOf(insurancePremiumString).doubleValue();
		
		
		
			// Check if member is a senior member and if so give them a 20% reduction
			// Otherwise determine their membership type and fee as normal
							
			if ( membershipCode >= 100 && membershipCode <= 200 )
			{
				membershipTypeText.setText("Full-time");
				membershipFee = insurancePremium + FULLMEMBERSHIPFEE;
				membershipFee = ( membershipFee * REDUCTION ) ;
				noOfFullMembers++;
			}
			else
				if ( membershipCode >= 201 && membershipCode <= FULLMEMBERRANGE )
				{
					membershipTypeText.setText("Full-time");
					membershipFee = insurancePremium + FULLMEMBERSHIPFEE;
					noOfFullMembers++;
				}
				else
					if ( membershipCode > FULLMEMBERRANGE && membershipCode <= TEMPMEMBERRANGE )
					{
						membershipTypeText.setText("Part-time");
						membershipFee = insurancePremium + TEMPORARYMEMBERSHIPFEE;
						noOfTempMembers++;
					}
					
		
		
			membershipFeeString = Double.toString(membershipFee);
			membershipFeeText.setText(membershipFeeString);
			
			acceptButton.removeActionListener(this);
			clearButton.addActionListener(this);
			
			runningTotal = noOfFullMembers + " full-time, " + noOfTempMembers + " part-time";
			runningTotalText.setText(runningTotal);
			
			statusBoxText.setText("Press clear to continue.");
			
		
	} // End of processGolferDetails method
	
	
	private void dealWithInputError()
	{
		statusBoxText.setText("Re-check the numeric values.");
		membershipCodeText.setText("");
		insurancePremiumText.setText("");
	
	} // End of dealWithInputError method
	
	
	private void clearTextComponents()
	{
		golferNameText.setText("");
		membershipCodeText.setText("");
		insurancePremiumText.setText("");
		membershipTypeText.setText("");
		membershipFeeText.setText("");
		
		clearButton.removeActionListener(this);
		acceptButton.addActionListener(this);
		
		statusBoxText.setText("Enter details. Click Accept.");
		
	} // End of clearTextComponents method
	
	
	public void init()
	{
		createComponents();
		addComponents();
		showStatus("Enter member Details");
	}
	
	public void actionPerformed(ActionEvent event)
	{
		String commandCaption = event.getActionCommand();
		
		if ( commandCaption.equals("Accept") )
		{
			try
			{
				processGolfersDetails();
			}
			
			catch ( NumberFormatException exception )
			{
				dealWithInputError();
			}
		} // End of if statement
		
		if ( commandCaption.equals("Clear") )
		{
			clearTextComponents();
		}
		
	} 
	
} // End of program