package com.test;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.StringTokenizer;

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

@SuppressWarnings("serial")
public class Login extends JFrame implements ActionListener{
	private boolean flgAction = false;
	private JLabel l1,l2;
	private JTextField txtUser;
	private JButton btnOK;
	private Socket socket;
	private Parameterx parameterx;
	
	public Login(){
		setBounds(200, 300, 300, 200);
		setTitle("欢迎使用");
		init();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
		
		while(true){
			try {
				Thread.sleep(500);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			if(flgAction == true){
				try {
					String uuname = txtUser.getText().trim().toString();
					DataOutputStream outputStream = new DataOutputStream(socket.getOutputStream());
					String login = "login|" + uuname;
					outputStream.writeUTF(login);
					outputStream.flush();
					flgAction = false;
					DataInputStream inputStream = new DataInputStream(socket.getInputStream());
					String result = inputStream.readUTF();
					
					StringTokenizer tokenizer = new StringTokenizer(result, "|");
					String head = tokenizer.nextToken();
					if(head.equals("login")){
						head = tokenizer.nextToken();
						if(head.equalsIgnoreCase("ok")){
							new Client(socket,uuname);
							dispose();
						}else if(head.equalsIgnoreCase("false")){
							JOptionPane.showMessageDialog(null, "该用户名已在使用中！");
						}
					}
				} catch (IOException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
				
			}
		}
		
	}
	public void init(){
		l1 = new JLabel("任意用户名");
		l2 = new JLabel("用户名:");
		txtUser = new JTextField(10);
		btnOK = new JButton("登录");
		JPanel p1 = new JPanel();
		p1.add(l2);
		p1.add(txtUser);
		JPanel p2 = new JPanel();
		p2.add(btnOK);
		Box box = Box.createVerticalBox();
		box.add(l1);
		box.add(Box.createVerticalStrut(3));
		box.add(p1);
		box.add(Box.createVerticalStrut(1));
		box.add(p2);
		add(box);
		
		btnOK.addActionListener(this);
		
		parameterx = new Parameterx();
		int kkl = parameterx.port;
		String klj = parameterx.ip;
		try {
			socket = new Socket(klj, kkl);
		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
	}
	
	public void actionPerformed(ActionEvent e){
		if(e.getSource() == btnOK){
			String name = txtUser.getText().toString().trim();
			if(!name.equals("")){	
				flgAction = true;
				
			}else{
				JOptionPane.showMessageDialog(null, "用户名不能为空");
			}
		}
	}
	public static void main(String[] args) {
		new Login();
	}
}