// DO NOT edit this file
// DO NOT submit this file

package proj2;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.JTextField;
import javax.swing.SpinnerNumberModel;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;

/**
 * 
 * The GUI for the Snack Machine project.
 * 
 * <div style="border: 2px solid #F0E6A6;background-color: #FFF7C6;padding: 10px 20px;">
 * This class is provided for you &mdash; you must not change it.
 * </div>
 *
 * @author Dennis Frey (10/7/2008)
 * @author Susan M. Mitchell (10/19/2010)
 * @author Daniel J. Hood (3/6/2011)
 * 
 * @version 3/6/2011
 *
 */
public class Project2 {
	
	private static final String APP_NAME = "CMSC 202 Project 2";
	private SnackMachine snackMachine;
	private JSpinner nickelSpinner, dimeSpinner, quarterSpinner;
	private JFrame mainFrame;

	/**
	 * The entry point for this assignment
	 * 
	 * @param args no command line arguments.
	 */
	public static void main (String [] args) {
		try {
			System.setProperty("apple.laf.useScreenMenuBar", "true");
			System.setProperty("com.apple.mrj.application.apple.menu.about.name", APP_NAME);
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (Exception e) { }
		new Project2();
	}
	
	/**
	 * The sole constructor for the <code>Project2</code> class.
	 * Creates an instance of the GUI and runs it.
	 */
	public Project2() {
		
		snackMachine = new SnackMachine();
		mainFrame = getMainFrame();
		
		// add menu bar to frame
		mainFrame.setJMenuBar(getMenuBar());
		
		// populate the main frame
		mainFrame.add(getMarqueePanel(), BorderLayout.NORTH);
		mainFrame.add(getButtonsPanel(), BorderLayout.CENTER);
		mainFrame.add(getChangePanel(), BorderLayout.SOUTH);
		
		mainFrame.setVisible(true);
	}
	
	private JPanel getMarqueePanel() {

		// create and initialize panel
		JPanel marqueePanel = new JPanel(new BorderLayout());
		marqueePanel.setBorder(new EmptyBorder(10, 10, 10, 10));
		
		// create and initialize label
		JLabel marqueeLabel = new JLabel("Programmer\u2019s Late Night Snack Machine");
		marqueeLabel.setBackground(Color.RED);
		marqueeLabel.setOpaque(true);
		marqueeLabel.setFont(new Font("Sans", Font.BOLD, 24));
		marqueeLabel.setForeground(Color.WHITE);
		marqueeLabel.setHorizontalAlignment(JTextField.CENTER);
		Border paddingBorder = BorderFactory.createEmptyBorder(10,10,10,10);
		Border border = BorderFactory.createLineBorder(Color.RED.darker(), 4);
		marqueeLabel.setBorder(BorderFactory.createCompoundBorder(border, paddingBorder));

		// add label to panel
		marqueePanel.add(marqueeLabel);
		
		return marqueePanel;
	}
	
	private JMenuBar getMenuBar() {
		
		// Maintenance Menus 
		JMenuBar mainMenu = new JMenuBar();
		
		// Create the Candy Maintenance Menu System
		JMenu candyMenu = new JMenu("Snack Maintenance");
		JMenuItem addChocChipCookiesItem = new JMenuItem("Add Chocolate Chip Cookies");
		JMenuItem addOatmealCookiesItem = new JMenuItem("Add Oatmeal Cookies");
		JMenuItem addLemonCookiesItem = new JMenuItem("Add Lemon Cookies");
		JMenuItem addMintsItem = new JMenuItem("Add Mints");
		JMenuItem numberMintsItem = new JMenuItem("Mint Packages Count");
		JMenuItem numberCookiesItem = new JMenuItem("Cookie Packages Count");
		
		// attach action listeners for each menu choice
		addChocChipCookiesItem.addActionListener(new AddChocChipCookiesListener());
		addOatmealCookiesItem.addActionListener(new AddOatmealCookiesListener());
		addLemonCookiesItem.addActionListener(new AddLemonCookiesListener());
		addMintsItem.addActionListener(new AddMintsListener());
		numberMintsItem.addActionListener(new NumberMintsListener());
		numberCookiesItem.addActionListener(new NumberCookiesListener());
		
		// add menu items to CandyMaintenance Menu
		candyMenu.add(addChocChipCookiesItem);
		candyMenu.add(addOatmealCookiesItem);
		candyMenu.add(addLemonCookiesItem);		
		candyMenu.addSeparator();
		candyMenu.add(addMintsItem);
		candyMenu.addSeparator();
		candyMenu.add(numberMintsItem);
		candyMenu.add(numberCookiesItem);
		
		// Register Maintenance Menu
		JMenu registerMenu = new JMenu("Change Drawer Maintenance");
		JMenuItem changeDrawerTotalItem = new JMenuItem("Report Change Drawer Total");
		
		// add action listeners for menu items
		changeDrawerTotalItem.addActionListener(new ChangeDrawerTotalListener());		
		registerMenu.add(changeDrawerTotalItem);
		
		// add menu lists to menu bar
		mainMenu.add(candyMenu);		
		mainMenu.add(registerMenu);
		
		return mainMenu;
	}
	
	private JPanel getButtonsPanel() {
		
		// Buttons for purchases in the CENTER of the frame
		JPanel buttonsPanel = new JPanel();
		buttonsPanel.setLayout(new GridLayout(1, 2, 10, 0));
		buttonsPanel.setBorder(new EmptyBorder(0, 10, 0, 10));
		
		Font buttonsFont = new Font("Sans Serif", Font.BOLD, 36);
		
		JButton mintsButton = new JButton("<html><center>Buy Mints<br>35&cent;</center></html>");
		mintsButton.setFont(buttonsFont);
		mintsButton.addActionListener(new BuyMints());
		
		JButton cookiesButton = new JButton("<html><center>Buy Cookies<br>65&cent;</center></html>");
		cookiesButton.setFont(buttonsFont);
		cookiesButton.addActionListener(new BuyCookies());

		buttonsPanel.add(mintsButton);
		buttonsPanel.add(cookiesButton);
		
		return buttonsPanel;
	}
	
	private JFrame getMainFrame() {
		JFrame frame = new JFrame(APP_NAME);
		frame.setLayout(new BorderLayout());
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(640, 480);
		frame.setLocation(100, 50);
		return frame;
	}
	
	private JPanel getChangePanel() {
		
		// to encapsulate labels and spinners
		JPanel coinsPanel = new JPanel(); 
		coinsPanel.setBorder(new EmptyBorder(10, 10, 10, 10));

		JPanel enterChangePanel = new JPanel();
		enterChangePanel.setBorder(BorderFactory.createTitledBorder(" Enter Change "));
		coinsPanel.add(enterChangePanel);

		nickelSpinner = new JSpinner(new SpinnerNumberModel(0, 0, 20, 1));
		dimeSpinner = new JSpinner(new SpinnerNumberModel(0, 0, 20, 1));
		quarterSpinner = new JSpinner(new SpinnerNumberModel(0, 0, 20, 1));

		enterChangePanel.add(new JLabel("Nickels:"));
		enterChangePanel.add(nickelSpinner);

		JLabel dimesLabel = new JLabel("Dimes:");
		dimesLabel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 0));
		enterChangePanel.add(dimesLabel);
		enterChangePanel.add(dimeSpinner);

		JLabel quatersLabel = new JLabel("Quarters:");
		dimesLabel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 0));
		enterChangePanel.add(quatersLabel);
		enterChangePanel.add(quarterSpinner);
				
		return coinsPanel;
	}

	// -- helper methods
	private void resetSpinners() {
		nickelSpinner.setValue(0);
		dimeSpinner.setValue(0);
		quarterSpinner.setValue(0);
	}


	//----  event handlers ---  //
	
	// Buy Mints Button
	private class BuyMints implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			// read the coins inserted
			int nickels, dimes, quarters;
			nickels = (Integer)nickelSpinner.getValue();
			dimes = (Integer)dimeSpinner.getValue();
			quarters = (Integer)quarterSpinner.getValue();
			
			// buy the Mints, get Mints in return
			Mints m = snackMachine.buyMints(new Money(nickels, dimes, quarters));
			
			// sold out or not exact change
			if (m == null) {
				JOptionPane.showMessageDialog(mainFrame, "Mints purchase failed", "Error", JOptionPane.ERROR_MESSAGE);
			// purchase successful
			} else {
				RoundIcon mints = new RoundIcon(m.getColor(), 100);
				JOptionPane.showMessageDialog(mainFrame, "Congratulation! You bought this package of Mints", "Mints Purchase", JOptionPane.INFORMATION_MESSAGE, mints);
			}
			
			// reset coin spinners
			resetSpinners();
		}
	}

	// Buy Cookies Button
	private class BuyCookies implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			// read the coins inserted
			int nickels, dimes, quarters;
			nickels = (Integer)nickelSpinner.getValue();
			dimes = (Integer)dimeSpinner.getValue();
			quarters = (Integer)quarterSpinner.getValue();
			
			// buy the Cookies, get Cookies in return
			Cookies c = snackMachine.buyCookies(new Money(nickels, dimes, quarters));
			// purchase failed
			if (c == null) {	
				JOptionPane.showMessageDialog(mainFrame, "Cookies purchase failed", "Error", JOptionPane.ERROR_MESSAGE);
			} else { 
				// purchase successful
				String msg = "Congratulations! You bought a package of " + c.getFlavor() + " cookies.";
				JOptionPane.showMessageDialog(mainFrame, msg, "Cookies Purchase", JOptionPane.INFORMATION_MESSAGE);
			}
			
			// reset coin spinners
			resetSpinners();
		}
	}
	
	// Candy Maintenance Menu -- add chocolate chip cookies
	private class AddChocChipCookiesListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			AddCookies(CookieFlavors.CHOCOLATE_CHIP);
		}
	}

	// Candy Maintenance Menu -- add oatmeal cookies
	private class AddOatmealCookiesListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			AddCookies(CookieFlavors.OATMEAL);
		}
	}
	
	// Candy Maintenance Menu -- add lemon cookies
	private class AddLemonCookiesListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			AddCookies(CookieFlavors.LEMON);
		}
	}
	
	// common method for adding candy bars with or w/o nuts
	// some stuff marked "final" so they can be used within anonymous ActionListener
	private void AddCookies(final CookieFlavors flavor) {
		// pop a frame and ask how many
		final JFrame frame = new JFrame();
		frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
		final JSpinner cookiesSpinner = new JSpinner(new SpinnerNumberModel(1, 1, 100, 1));
		JButton ok = new JButton("OK");
		ok.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				int numberCookies = (Integer)cookiesSpinner.getValue();
				boolean success = snackMachine.addCookies(flavor, numberCookies);
				if(success) {
					JOptionPane.showMessageDialog(frame,
							numberCookies + " bags of " + flavor +
							" cookies have been added to the machine");
				} else {
					JOptionPane.showMessageDialog(mainFrame, "Add cookies failed", "Error", JOptionPane.ERROR_MESSAGE);
				}
			}
		});
	
		JPanel subPanel1 = new JPanel();
		subPanel1.add(new JLabel("Enter Number of Bags of " + flavor + " Cookies to Add"));
		subPanel1.add(cookiesSpinner);
		JPanel subPanel2 = new JPanel();
		subPanel2.add(ok);

		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());
		panel.add(subPanel1, BorderLayout.NORTH);
		panel.add(subPanel2, BorderLayout.CENTER);
		frame.add(panel, BorderLayout.CENTER);
		frame.pack();
		frame.setVisible(true);

	}

	// Candy Maintenance Menu -- add mints
	private class AddMintsListener implements ActionListener {
		
		public void actionPerformed(ActionEvent ae) {
			// pop a frame and ask how many
			final JFrame frame = new JFrame();
			frame.setResizable(false);
			frame.setLocation(200, 200);
			frame.setSize(500, 500);
			frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
			
			// color chooser
			JPanel subPanel1 = new JPanel();
			JLabel jlCount = new JLabel("Enter Number of Packages of Mints to Add");
			SpinnerNumberModel spnmNrMints = new SpinnerNumberModel(1, 1, 100, 1);
			final JSpinner spinNrMints = new JSpinner(spnmNrMints);
			subPanel1.add(jlCount);
			subPanel1.add(spinNrMints);
			
			JPanel subPanel2 = new JPanel();
			JLabel jlColor = new JLabel("Choose the color of the mints:");
			final JColorChooser jccMintsColor = new JColorChooser();
			subPanel2.add(jlColor);
			subPanel2.add(jccMintsColor);

			JPanel subPanel3 = new JPanel();
			JButton ok = new JButton("OK");
			ok.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent ae) {
					int numberMints = (Integer)spinNrMints.getValue();
					Color color = jccMintsColor.getColor();
					boolean success = snackMachine.addMints(color, numberMints);
					if(success) {
						JOptionPane.showMessageDialog(frame, numberMints + " packages of mints added to the machine", "Mints Added", JOptionPane.INFORMATION_MESSAGE);
					} else {
						JOptionPane.showMessageDialog(mainFrame, "Add mints failed", "Error", JOptionPane.ERROR_MESSAGE);
					}
				}
			});
			subPanel3.add(ok);
			
			JPanel panel = new JPanel();
			panel.setLayout(new BorderLayout());
			panel.add(subPanel1, BorderLayout.NORTH );
			panel.add(subPanel2, BorderLayout.CENTER);
			panel.add(subPanel3, BorderLayout.SOUTH);
			panel.setBackground(Color.MAGENTA);
			
			frame.add(panel, BorderLayout.CENTER);
			frame.setVisible(true);
		}
	}

	// Candy Maintenance Menu -- how many packages of mints in the machine?
	private class NumberMintsListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			// create a frame to display the number of packages of mints
			int numberMints = snackMachine.getNumberMints();
			String info = "The snack machine currently contains " + 
				numberMints + " packages of mints";
			JOptionPane.showMessageDialog(mainFrame, info, "Number Mints", JOptionPane.INFORMATION_MESSAGE);
		}
	}

	// Candy Maintenance Menu -- how many bags of cookies in the machine?
	private class NumberCookiesListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			// create a frame to display the number of candy bars
			int numberCookies = snackMachine.getNumberCookies();
			String info = "The snack machine currently contains " + 
				numberCookies + " packages of cookies";
			JOptionPane.showMessageDialog(mainFrame, info, "Number Cookies", JOptionPane.INFORMATION_MESSAGE);
		}
	}
	
	// Cash Maintenance Menu -- report cash on hand
	private class ChangeDrawerTotalListener implements ActionListener {
		public void actionPerformed(ActionEvent ae) {
			// call snack machine method
			// report coins in machine -- share with RemoveFunds
			Money totalMoney = snackMachine.getTotalMoney();
			String info = "The Change Drawer contains " + totalMoney;
			JOptionPane.showMessageDialog(mainFrame, info, "Change Drawer Total", JOptionPane.INFORMATION_MESSAGE);
		}
	}

	/**
	 * a round Icon with transparent corners
	 * Used to draw Mints
	 */
	private static class RoundIcon implements Icon {
		private Color color;
		private int diameter;
		public RoundIcon(Color color, int diameter) {
			this.color = color;
			this.diameter = diameter;
		}
		public int getIconHeight() {
			return diameter;
		}
		public int getIconWidth() {
			return diameter;
		}
		public void paintIcon(Component c, Graphics g, int x, int y) {
			g.setColor(color);
			g.fillArc(x, y, diameter, diameter, 0, 360);
		}
	}
}