import java.awt.event.*;
import java.awt.*;
import Mailbox;

/**
 *  
 *
 * 
 *
 * 
 * 
 *
 * @author Ashfaqur Rahman
 * @author Jared Baszler
 * @author Mike Yohay
 * @author Prashant Paroda
 * @version 1.0 of October 1999
 */
public class GM
  extends WindowAdapter 
  implements ActionListener 
{
  // +--------+--------------------------------------------------
  // | Fields |
  // +--------+

  /** The frame used for interaction. */
  protected Frame login;

  /** The textfield in which the user enters a name. */
  protected TextField userName;

  /** The textfield in which the password is entered. */
  protected TextField password;

  /** The button the user presses. */
  protected Button loginButton;

  /** The labels used to put comments and instructions in the screen. */
  protected Label out, out1, out2, out3, out4;

  
  // +--------------+--------------------------------------------
  // | Constructors |
  // +--------------+

  /** Set up the frame for interaction. */
    protected GM() {
        // Create the frame (the window).
        login = new Frame("GMAIL");
     
        login.setBackground(Color.black);
        login.setForeground(Color.white);
        login.addWindowListener(this);
        userName = new TextField(20);
        password = new TextField(20);
        password.setEchoChar('*');
        loginButton = new Button("Login");
        loginButton.addActionListener(this);
        out = new Label("Please enter your Username and Password");
        out1 = new Label("Username:");
        out2 = new Label("Password:");
        out3 = new Label("Welcome to GMAIL");
        out4 = new Label("GMAIL");

        GridBagLayout gridbag = new GridBagLayout();
        login.setLayout(gridbag);
        GridBagConstraints c = new GridBagConstraints();
        
        c.gridwidth = GridBagConstraints.REMAINDER;
        c.weightx = 0.1;
        c.weighty = 0.1;
        c.anchor = GridBagConstraints.NORTH;
        c.gridx = 0;
        c.gridy = 0;
        login.setFont(new Font("Times", Font.BOLD, 20));
        out4.setFont(new Font("Times", Font.ITALIC, 60));
        gridbag.setConstraints(out4, c);
        login.add(out4);

        c.gridx = 0;
        c.gridy = 1;
        out3.setFont(new Font("Times", Font.ITALIC, 40));
        gridbag.setConstraints(out3, c);
        login.add(out3);

        c.gridx = 0;
        c.gridy = 2;
        gridbag.setConstraints(out, c);
        login.add(out);

        c.gridx = 0;
        c.gridy = 3;
        c.gridwidth = GridBagConstraints.RELATIVE;
        gridbag.setConstraints(out1, c);
        login.add(out1);
        
        userName.setBackground(Color.white);
        userName.setForeground(Color.black);
        c.gridx = 1;
        c.gridy = 3;
        gridbag.setConstraints(userName, c);
        login.add(userName);
        
        c.gridx = 0;
        c.gridy = 4;
        gridbag.setConstraints(out2, c);
        login.add(out2);
        
        password.setBackground(Color.white);
        password.setForeground(Color.black);
        c.gridx = 1;
        c.gridy = 4;
        gridbag.setConstraints(password, c);
        login.add(password);
        
        c.gridwidth = GridBagConstraints.REMAINDER;
        loginButton.setBackground(java.awt.Color.red);
        loginButton.setForeground(java.awt.Color.black); 
        c.gridx = 0;
        c.gridy = 5;
        gridbag.setConstraints(loginButton, c);
        login.add(loginButton);
        
        login.pack();
        login.setSize(700,800);
        login.show();
    }
    

    // +---------+----------------------------------------------
    // | Methods |
    // +---------+

    
    
    // +----------------+------------------------------------------
    // | Event Handlers |
    // +----------------+
    
    /** React to a click on the button. */
    public void actionPerformed(ActionEvent evt) {
        String command = evt.getActionCommand();
        boolean loggedIn= true;
        if(command.equals("Login")) { 
            try {
                Mailbox connection = new Mailbox();
                connection.login(userName.getText(), password.getText());
            }
            catch(Exception e) {
                loggedIn = false;
                login.dispose();
                new GM1();
            }
            if (loggedIn) {
                login.dispose();
                new Folders();
            }
        }
    }
    
    /** React to the closing of the window. */
    public void windowClosing(WindowEvent event) {
        login.dispose();
        System.exit(0);
    } // windowClosing()
    
    // +------+----------------------------------------------------
    // | Main |
    // +------+
    
    /* Start the ball rolling by creating an object. */
    public static void main(String[] args) {
        new GM();
    } // main(String[])
} // class GreetGUI