package com.example.javaqui;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class login implements ActionListener
{
	JFrame myframe;
	JPanel mypanel;
	JLabel lblusername,lblpassword;
	JTextField tusername,tpassword;
	JButton btnlogin;
	GridBagLayout g;
	GridBagConstraints gbc;
	public login()
	{
		//initializations
		myframe=new JFrame("Login");
		mypanel=new JPanel();
		lblusername=new JLabel("User Name");
		lblpassword=new JLabel("Password");
		tusername=new JTextField(15);
		tpassword=new JPasswordField(15);
		btnlogin=new JButton("L O G I N");
		g=new GridBagLayout();
		gbc=new GridBagConstraints();

		//placements
		mypanel.setLayout(g);

		gbc.anchor=GridBagConstraints.NORTHWEST;
		gbc.gridx=1;
		gbc.gridy=5;
		g.setConstraints(lblusername,gbc);
		mypanel.add(lblusername);

		gbc.anchor=GridBagConstraints.NORTHWEST;
		gbc.gridx=5;
		gbc.gridy=5;
		g.setConstraints(tusername,gbc);
		mypanel.add(tusername);

		gbc.anchor=GridBagConstraints.NORTHWEST;
		gbc.gridx=1;
		gbc.gridy=10;
		g.setConstraints(lblpassword,gbc);
		mypanel.add(lblpassword);

		gbc.anchor=GridBagConstraints.NORTHWEST;
		gbc.gridx=5;
		gbc.gridy=10;
		g.setConstraints(tpassword,gbc);
		mypanel.add(tpassword);

		gbc.anchor=GridBagConstraints.NORTHWEST;
		gbc.gridx=5;
		gbc.gridy=15;
		g.setConstraints(btnlogin,gbc);
		mypanel.add(btnlogin);

		btnlogin.addActionListener(this);
		tpassword.addActionListener(this);

		myframe.getContentPane().add(mypanel);
		myframe.setSize(400, 400);
		myframe.setVisible(true);
	}
	public static void main(String args[])
	{
		new login();
	}
	@Override
	public void actionPerformed(ActionEvent e)
	{
		Object obj=e.getSource();
		String username=tusername.getText().toString();
		String password=tpassword.getText().toString();
		if(obj==btnlogin)
		{
			if(username.length()==0 || password.length() ==0)
			{
				JOptionPane.showMessageDialog(myframe, "Incomplete Data");
			}
			else
			{
				checklogin(username,password);
			}

		}
		if(obj==tpassword)
		{
			checklogin(username,password);
		}
	}
	private void checklogin(String username, String password)
	{
		dboperations operation1=new dboperations();
		operation1.makecon();
		if(operation1.validateuser(username, password))
		{
			new menu();
			myframe.setVisible(false);
		}
		else
		{
			JOptionPane.showMessageDialog(myframe, "Not Validated !");
		}
	}
}