package flippjar;

import java.util.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.concurrent.TimeUnit;
import java.io.*;

class FlippGUI extends JFrame implements ActionListener {

  private JButton button, button2;
  private JLabel label, label2;
  private JTextField text, text2;
  private String username = "";
  private String password = "";
  private String[] line, line2 = new String[6];
  private String[] name = new String[6];
  private String[] pswd = new String[6];

  public FlippGUI() throws IOException {
      Scanner key = new Scanner(System.in);

      setTitle("Flipp Systems Login");
      setLayout(null);
      setSize(500, 250);
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      getContentPane().setBackground(null);
      setVisible(true);

      text = new JTextField(20);
      text.setLocation(195, 73);
      text.setText("Username");
      text.setSize(120, 17);

      text2 = new JTextField(20);
      text2.setLocation(195, 102);
      text2.setText("Password");
      text2.setSize(120, 17);

      label = new JLabel("Please enter a password: ");
      label.setLocation(30, 60);
      label.setSize(300, 100);
      label.setForeground(Color.black);
      label.setFont(new Font("Arial", Font.PLAIN, 14));

      label2 = new JLabel("Please enter a username: ");
      label2.setLocation(30, 30);
      label2.setSize(300, 100);
      label2.setForeground(Color.black);
      label2.setFont(new Font("Arial", Font.PLAIN, 14));

      button = new JButton("Enter");
      button.setLocation(375, 200);
      button.setSize(100, 15);
      button.addActionListener(this);

      button2 = new JButton("Exit");
      button2.setLocation(25, 200);
      button2.setSize(100, 15);
      button2.addActionListener(this);

      getContentPane().add(button);
      getContentPane().add(button2);
      getContentPane().add(label);
      getContentPane().add(text);
      getContentPane().add(label2);
      getContentPane().add(text2);

      File u = new File("usernames.txt");
      Scanner numScan = new Scanner(u);
      File p = new File("passwords.txt");
      Scanner numScan2 = new Scanner(p);
      do {
          for(int j = 0;j < 6;j++) {
            line[j] = numScan.nextLine();
            line2[j] = numScan2.nextLine();
        }
      }while(numScan.hasNextLine() && numScan2.hasNextLine());

  }

  public void actionPerformed(ActionEvent e) {
      if(e.getSource() == button) {
          username = text.getText();
          password = text2.getText();
          if(username.equals(line)) {
              if(password.equals(line2)) {
                  JOptionPane.showMessageDialog(null, "Welcome!");
                  return;
              }
          }
      }
      if(e.getSource() == button) {
          username = text.getText();
          password = text2.getText();
          if(username.equals(line)) {
              if(!password.equals(line2)) {
                  JOptionPane.showMessageDialog(null, "Incorrect password!");
                  return;
              }
          }
      }
      if(e.getSource() == button) {
          username = text.getText();
          password = text2.getText();
          if(!username.equals(line)) {
                  JOptionPane.showMessageDialog(null, "Incorrect username!");
          }
      }
  }

}

public class FlippJar {
  public static void main(String args[]) throws IOException {
    FlippGUI applet = new FlippGUI();
  }
}