import javax.swing.*;
import java.awt.*;
import java.awt.event.*; //for listeners

public class QuoteGUI implements ActionListener
{
	static JFrame mainWindow = new JFrame("Quick Cars Quote Generator"); //create main window

	JTabbedPane systemTabs = new JTabbedPane(); //make the tabs

	JPanel loginPanel = new JPanel(); //making the panels that will fill the tab
	JPanel quotesPanel = new JPanel();

	JLabel loginLabel = new JLabel("Quick Cars"); //this is under the first tab, loginPanel

	JLabel loginTitleLabel = new JLabel("Enter Username and Password to log in:"); //this is the title of the tab, loginpanel

	JLabel usernameLabel = new JLabel("Username");
	JLabel passwordLabel = new JLabel("Password");
	JTextField username = new JTextField("Username"); //this is the textfield where the user enters their username
	JTextField password = new JTextField("Password"); //this is the textfield where the user enters their password
	JButton login = new JButton("Login"); //this is the button that logs the user in


	JLabel quotesLabel = new JLabel("Quick Cars"); //this is under the second tab, quotesPanel
	JLabel quotesTitleLabel = new JLabel("Options");
	JLabel quotesCustomerLabel = new JLabel("Enter Customer Data");
	JLabel quotesCarLabel = new JLabel("Enter Car Data");
	JLabel quotesPaymentLabel = new JLabel("Enter Loan Data");

	JButton logout = new JButton("Logout");	//this will log the user out

	public void runBasicGUI()
	{
		//start of generic GUI code
		Toolkit theKit = mainWindow.getToolkit();
		Dimension wndSize=theKit.getScreenSize();

		mainWindow.setBounds(10, 10, wndSize.width/2, 1000); //set positions then dimensions
		mainWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //tells the program to end when the X is pressed

		GridLayout grid = new GridLayout(1,1);
		Container content = mainWindow.getContentPane();
		content.setLayout(grid); //end of generic GUI code

		createloginPanel(); //calls the method that creates the panels
		createquotesPanel();

		systemTabs.addTab("Login", loginPanel); //adds the panels to the tabs
		systemTabs.addTab("Quotes", quotesPanel);

		systemTabs.setSelectedIndex(0); //sets the tab to be selected
		systemTabs.setEnabledAt(1,false); //disables the tab

		content.add(systemTabs); //adds the tabs to the GUI
		mainWindow.setVisible(true); //makes the window appear
	}

	public void createloginPanel()
	{
		loginPanel.setLayout(null);
		loginLabel.setBounds(250, 10, 500, 40); //sets the bounds of the various components: x pos, y pos, x size, y size
		loginTitleLabel.setBounds(250, 100, 500, 30);
		usernameLabel.setBounds(150, 150, 100, 30);
		username.setBounds(250, 150, 200, 30);
		passwordLabel.setBounds(150, 200, 100, 30);
		password.setBounds(250, 200, 200, 30);
		login.setBounds(250, 250, 100, 25);
		login.addActionListener(this); //add a listener to the button

		loginPanel.add(loginLabel); //adds the components to the panel
		loginPanel.add(loginTitleLabel);
		loginPanel.add(usernameLabel);
		loginPanel.add(username);
		loginPanel.add(passwordLabel);
		loginPanel.add(password);
		loginPanel.add(login);
	}

	public void createquotesPanel()
	{
		quotesPanel.setLayout(null);
		quotesLabel.setBounds(250, 25, 500, 25);
		quotesTitleLabel.setBounds(20, 100, 500, 25);
		quotesCustomerLabel.setBounds(20, 300, 500, 25);
		quotesCarLabel.setBounds(20, 500, 500, 25);
		quotesPaymentLabel.setBounds(20, 700, 500, 25);

		logout.setBounds(450, 10, 100, 25);
		logout.addActionListener(this); //adds a listener to the button

		quotesPanel.add(quotesLabel);
		quotesPanel.add(logout);
		quotesPanel.add(quotesTitleLabel);
		quotesPanel.add(quotesCustomerLabel);
		quotesPanel.add(quotesCarLabel);
		quotesPanel.add(quotesPaymentLabel);
	}

	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource() == login)
		{
			String un = username.getText();
			String pw = password.getText();

			if (un.equals("quickcars") && pw.equals("12345"))
			{
				systemTabs.setEnabledAt(1,true);
				systemTabs.setSelectedIndex(1);
				systemTabs.setEnabledAt(0, false);
			}
		}

		if (e.getSource() == logout)
		{
			systemTabs.setEnabledAt(0, true);
			systemTabs.setEnabledAt(1, false);
			systemTabs.setSelectedIndex(0);
		}
	}

	public static void main(String[] args)
	{
		QuoteGUI qg = new QuoteGUI();
		qg.runBasicGUI();
	}
}