/**
 * 
 */
package cn.jsxwsl.chat.client;

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.filechooser.FileFilter;

import net.sf.json.JSONObject;

public class ChatRoomUI extends JFrame {

	private static final long serialVersionUID = 1L;

	private final int WIDTH = 980;
	private final int HEIGHT = 680;
	private final int LEFT = -5;
	private final int TOP = 20; 
	private final int ROW_SPAN = 10; 
	private final int COL_SPAN = 10; 
	private final int LINE_HEIGHT = 24;
	private final int BUTTON_WINDTH = 60;
	private final int LABEL_WIDTH = 80;

	private boolean connected = false;

	private Net net = null;
//	private User bindUser = null;
//	private List<User> roomUserList = new LinkedList<>();
//	private Vector<String> chatOnlineUserNames = new Vector<>(); // 在线用户列表数据

	// 窗体控件
	private Container container = null;// 窗体容器
	private JLabel hostLB = null;
	private JTextField hostTF = null; 
	private JLabel portLB = null;
	private JTextField portTF = null;
	private JLabel userIDLB = null;
	private JTextField userIDTF = null;
	private JLabel userPDLB = null;
	private JPasswordField userPDTF = null;

	private JTextArea showBox = null;// 消息显示框
	private JPanel chatBoard = null; // 聊天消息面板
	private JScrollPane showScroll = null;// 显示框的滚动条
	private JComboBox<String> fontNameBox = null; // 字体颜色下拉框
	private JComboBox<Integer> fontSizeBox = null; // 大小
	private JComboBox<String> fontColorBox = null; // 颜色
	private JTextArea editBox = null;// 消息编辑框
	private JButton sendBt = null;// 发送按钮
	private JButton picBt = null;// 图片按钮
	private JButton loginBt = null; // 登陆
	private JButton logoutBt = null; // 注销
	private JButton clearBt = null;
	private JList<String> userJList = null; // 在线列表
	private JScrollPane usersPane = null;
	private JFileChooser picChooser = null; // 图片选择对话框
	private JButton testBt = null;
	private JPanel toolBar = null;

	private LinkedHashMap<String, Color> colorMap = new LinkedHashMap<String, Color>(); // 颜色键值对

	public ChatRoomUI() {
		this.initWindow();
	}
	
	public void setNet(Net net) {
		this.net = net;
	}

	/*
	 * 初始化窗口
	 */
	private void initWindow() {
		super.setTitle("chat");
		super.setSize(WIDTH, HEIGHT);
		Toolkit tk = Toolkit.getDefaultToolkit();// 窗口实用工具
		int screenWidth = tk.getScreenSize().width;// 屏幕宽度
		int screenHidth = tk.getScreenSize().height;// 屏幕高度
		int left = (screenWidth - WIDTH) / 2; // 计算自适应水平居中位置
		int top = (screenHidth - HEIGHT) / 2;
		super.setLocation(left, top);// 窗体的左上角距离左边界和上边界的距离
		super.setResizable(false);// 设置窗体不可改变大小

		/*
		 * 布局窗体的控件
		 */
		container = super.getContentPane();// 窗体容器
		container.setLayout(null);

		hostLB = new JLabel("服务器IP:", JLabel.RIGHT);
		hostLB.setBounds(LEFT, TOP, 100, LINE_HEIGHT);
		container.add(hostLB);

		hostTF = new JTextField("127.0.0.1");
		hostTF.setBounds(hostLB.getX() + hostLB.getWidth() + COL_SPAN, hostLB.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(hostTF);

		portLB = new JLabel("端口号:", JLabel.RIGHT);
		portLB.setBounds(hostTF.getX() + hostTF.getWidth() + COL_SPAN, hostTF.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(portLB);

		portTF = new JTextField("10101");
		portTF.setBounds(portLB.getX() + portLB.getWidth(), portLB.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(portTF);

		userIDLB = new JLabel("账号:", JLabel.RIGHT);
		userIDLB.setBounds(portTF.getX() + portTF.getWidth(), portTF.getY(), LABEL_WIDTH, LINE_HEIGHT);
		// hostLB.setBorder(BorderFactory.createLineBorder(Color.BLACK));
		container.add(userIDLB);

		userIDTF = new JTextField("a");
		userIDTF.setBounds(userIDLB.getX() + userIDLB.getWidth(), userIDLB.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(userIDTF);

		userPDLB = new JLabel("密码:", JLabel.RIGHT);
		userPDLB.setBounds(userIDTF.getX() + userIDTF.getWidth(), userIDTF.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(userPDLB);

		userPDTF = new JPasswordField("8888");
		userPDTF.setBounds(userPDLB.getX() + userPDLB.getWidth(), userPDLB.getY(), LABEL_WIDTH, LINE_HEIGHT);
		container.add(userPDTF);

		loginBt = new JButton("登录");
		loginBt.setBounds(userPDTF.getX() + userPDTF.getWidth() + COL_SPAN, userPDLB.getY(), BUTTON_WINDTH,
				LINE_HEIGHT);
		container.add(loginBt);

		logoutBt = new JButton("注销");
		logoutBt.setBounds(loginBt.getX() + userPDTF.getWidth(), loginBt.getY(), BUTTON_WINDTH, LINE_HEIGHT);
		container.add(logoutBt);
		logoutBt.setEnabled(connected);

		showBox = new JTextArea("");
		showBox.setSize(685, 400);
		showBox.setEditable(false);
		showBox.setBackground(Color.GRAY);// 背景颜色
		showBox.setForeground(Color.WHITE);// 前景色
		showBox.setFont(new Font("黑体", Font.PLAIN, 15));
		showBox.setLineWrap(true);
		chatBoard = new JPanel();
		chatBoard.setSize(685, 350);
		chatBoard.setLayout(new BoxLayout(chatBoard, BoxLayout.Y_AXIS));
		chatBoard.setBackground(Color.WHITE);// 背景颜色
		chatBoard.setForeground(Color.WHITE);// 前景色
		chatBoard.setFont(new Font("黑体", Font.PLAIN, 15));

		showScroll = new JScrollPane(chatBoard);// 实例化滚动区，并将消息面板放入其中
		showScroll.setBounds(LEFT + ROW_SPAN * 5, hostLB.getY() + hostLB.getHeight() + ROW_SPAN, showBox.getWidth(),
				showBox.getHeight()); // -->
		showScroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);// 垂直滚动条不出现
		showScroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);// 水平的滚动条自动出现
		container.add(showScroll);

		userJList = new JList<String>();
		userJList.setSize(200, showScroll.getHeight());
		userJList.setBorder(BorderFactory.createTitledBorder("在线成员"));
		usersPane = new JScrollPane(userJList);
		usersPane.setBounds(showScroll.getX() + showScroll.getWidth() + COL_SPAN, showScroll.getY(),
				userJList.getWidth(), userJList.getHeight());
		container.add(usersPane);

		// ImageIcon ii = new ImageIcon("temp/model_458X600.jpg");
		// pictureLab = new JLabel(ii);
		// pictureLab.setBounds(usersPane.getX(), usersPane.getY() +
		// usersPane.getHeight() + ROW_SPAN, userList.getWidth(),
		// userList.getWidth()*3/4);
		// pictureLab.setBorder(BorderFactory.createLineBorder(Color.red));
		// container.add(pictureLab);

		toolBar = new JPanel(new FlowLayout(FlowLayout.LEFT));
		toolBar.setBounds(showScroll.getX(), showScroll.getY() + showScroll.getHeight() + ROW_SPAN,
				showScroll.getWidth(), 40);
		toolBar.setBorder(BorderFactory.createRaisedSoftBevelBorder());
		toolBar.setBackground(Color.LIGHT_GRAY);
		container.add(toolBar);

		GraphicsEnvironment gEnv = GraphicsEnvironment.getLocalGraphicsEnvironment();
		fontNameBox = new JComboBox<String>(gEnv.getAvailableFontFamilyNames());
		fontNameBox.setSize(50, LINE_HEIGHT);
		fontNameBox.setSelectedIndex(1);
		toolBar.add(fontNameBox);

		fontSizeBox = new JComboBox<Integer>(new Integer[] { 12, 16, 20, 24, 28, 32, 36, 40, 96, 128 });
		fontSizeBox.setSize(100, LINE_HEIGHT);
		toolBar.add(fontSizeBox);

		colorMap.put("红色", new Color(0xff0000));
		colorMap.put("白色", new Color(0xffffff));
		colorMap.put("绿色", new Color(0x00ff00));
		colorMap.put("蓝色", new Color(0x0000ff));
		colorMap.put("黄色", new Color(0xffff00));
		colorMap.put("青铜色", new Color(0x8c7853));
		colorMap.put("金色", new Color(0xcd7f32));
		colorMap.put("暗灰色", new Color(0x696969));
		colorMap.put("米色", new Color(0xf5f5dc));
		colorMap.put("黑色", new Color(0x000000));

		String[] colorNames = colorMap.keySet().toArray(new String[colorMap.size()]);

		fontColorBox = new JComboBox<String>(colorNames);
		fontColorBox.setSize(100, LINE_HEIGHT);
		fontColorBox.setSelectedIndex(colorNames.length - 1);
		toolBar.add(fontColorBox);

		editBox = new JTextArea();
		editBox.setBounds(toolBar.getX(), toolBar.getY() + toolBar.getHeight() + ROW_SPAN, 530, 70);
		editBox.setForeground(colorMap.get((String) fontColorBox.getSelectedItem()));
		editBox.setLineWrap(true);
		editBox.setWrapStyleWord(true);
		editBox.setBorder(BorderFactory.createLoweredSoftBevelBorder());

		container.add(editBox);

		sendBt = new JButton("发送");
		sendBt.setBounds(editBox.getX() + editBox.getWidth() + COL_SPAN, editBox.getY() + 7, BUTTON_WINDTH,
				LINE_HEIGHT);
		editBox.setLineWrap(true);
		sendBt.setEnabled(false);
		container.add(sendBt);

		picBt = new JButton("选图");
		picBt.setBounds(sendBt.getWidth() + sendBt.getX() + COL_SPAN, sendBt.getY(), BUTTON_WINDTH, LINE_HEIGHT);
//		container.add(picBt);

		picChooser = new JFileChooser("./");
		picChooser.setDialogTitle("please chose a picture");

		clearBt = new JButton("清屏");
		clearBt.setBounds(sendBt.getX(), sendBt.getY() + sendBt.getHeight() + ROW_SPAN, BUTTON_WINDTH, LINE_HEIGHT);
//		container.add(clearBt);

		testBt = new JButton("test");
		testBt.setBounds(clearBt.getX() + sendBt.getWidth() + COL_SPAN, sendBt.getY() + clearBt.getHeight() + ROW_SPAN,
				BUTTON_WINDTH, LINE_HEIGHT); // -->
//		container.add(testBt);

		loginBt.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {

				try {
					System.out.println("login");
					login();

				} catch (Exception ex) {
					ex.printStackTrace();
					return;
				}
			}
		});

		// 发送按钮
		sendBt.addActionListener(new SendListener());

		// 文件对话框的文件型过滤
		picChooser.setFileFilter(new FileFilter() {

			// 文件类型描述
			public String getDescription() {
				return "*.jpg,*.png,*.png";
			}

			// 文件类型过滤
			public boolean accept(File file) {
				if (file.isDirectory()) {
					return true;
				} else {
					String fileName = file.getName();
					String upCase = fileName.toUpperCase();
					if (upCase.endsWith(".JPG") || upCase.endsWith(".GIF") || upCase.endsWith(".JPEG")|| upCase.endsWith(".PNG")) {
						return true;
					} else {
						return false;
					}
				}
			}
		});

		// 注销按钮
		logoutBt.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent ev) {
				closeConneting();
			}
		});

		// 关闭按钮
		clearBt.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent ev) {
				showBox.setText("");
				chatBoard.setVisible(false);
				chatBoard.removeAll();
				chatBoard.setVisible(true);
			}
		});

		// 编辑框快捷键
		editBox.addKeyListener(new KeyAdapter() {
			public void keyPressed(KeyEvent arg0) {
				if ((arg0.getKeyCode() == KeyEvent.VK_ENTER) /* ctrl + 回车 */ 
						|| (arg0.getKeyCode() == KeyEvent.VK_S) && (arg0.isAltDown()) /* ctrl + s */) {

					String text = editBox.getText();
					send(text, 1);
					editBox.setText("");
				} else if ((arg0.getKeyCode() == KeyEvent.VK_C) && (arg0.isAltDown())) {
					System.exit(0); /* Alt + c 关闭窗口 */
				}
			}
		});

		// 添加颜色框的选中改变事件，同步刷新编辑框的文本颜色
		fontColorBox.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent ev) {
				String key = (String) fontColorBox.getSelectedItem();
				Color value = colorMap.get(key);
				editBox.setForeground(value);
			}
		});

		// 窗口关闭事件
		super.addWindowListener(new closeListener());

		this.setLoginWindow(true);
		this.setChatWindow(false);

	}

	public void setLoginWindow(boolean visible) {
		this.hostLB.setVisible(visible);
		this.hostTF.setVisible(visible);
		this.portLB.setVisible(visible);
		this.portTF.setVisible(visible);
		this.userIDLB.setVisible(visible);
		this.userIDTF.setVisible(visible);
		this.userPDLB.setVisible(visible);
		this.userPDTF.setVisible(visible);
		this.loginBt.setVisible(visible);
		this.logoutBt.setVisible(visible);
	}

	public void setChatWindow(boolean visible) {
		this.showBox.setVisible(visible);
		this.chatBoard.setVisible(visible);
		this.showScroll.setVisible(visible);
		this.fontNameBox.setVisible(visible);
		this.fontSizeBox.setVisible(visible);
		this.fontColorBox.setVisible(visible);
		this.editBox.setVisible(visible);
		this.sendBt.setEnabled(visible);
		this.sendBt.setVisible(visible);
		this.picBt.setVisible(visible);
		this.clearBt.setVisible(visible);
		this.userJList.setVisible(visible);
		this.usersPane.setVisible(visible);
		this.picChooser.setVisible(visible);
		this.testBt.setVisible(visible);
		this.toolBar.setVisible(visible);

	}

	
	
	private void connect() {
		if (!this.connected) {
			String host = this.hostTF.getText();
			String port = this.portTF.getText();
			// net应该跟随程序开启， 这里为了方便输入ip, 放在这了
			this.net.connect(host, port);
			this.net.startNetListner();
			this.connected = true;
		}
	}
	
	@SuppressWarnings("deprecation")
	public void login() {
		try {
			this.connect();
			JSONObject jobj = new JSONObject();
			jobj.put("userName", this.userIDTF.getText());
			jobj.put("password", this.userPDTF.getText());
			this.net.getSocket().emit("login", jobj.toString());

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	

	
	private void send(String text, int type) {
		if (text == null || text.trim().equals("")) {
			return;
		}

		try {
			JSONObject jobj = new JSONObject();
			jobj.put("userId", this.net.getBindUser().getId());
			jobj.put("nickname", this.net.getBindUser().getNickname());
			jobj.put("text", text);
			jobj.put("type", type);
			this.net.getSocket().emit("send", jobj.toString());

		} catch (Exception e) {
			alert("发送消息失败");
		}
	}

	


	public void closeConneting() {
		alert("连接已经断开");
		showBox.setText("");
		chatBoard.setVisible(false);
		chatBoard.removeAll();
		chatBoard.setVisible(true);
		setLoginWindow(true);
		setChatWindow(false);
//		bindUser = null;
//		roomUserList = new LinkedList<>();
//		chatOnlineUserNames = new Vector<>();
//		userJList.setListData(chatOnlineUserNames);
	}
	
	 public void updateOnlineNames(Vector<String> chatOnlineUserNames) {
		 userJList.setListData(chatOnlineUserNames);
	 }
	
	
	public void alert(String text) {
		JOptionPane.showMessageDialog(this, text, "萨瓦迪卡", JOptionPane.PLAIN_MESSAGE);
	}

	
	public void createChatComponent(String nickname, String text, long time, int type) {
		System.out.println("" + nickname + "," + text+ "," + time+ "," + type);
		//将文本内容做成为文本块，添加到面板上
	
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd HH:MM:ss");
		String timeStr = sdf.format(new Date(time)).toString();
		String str = "TIME NICKNAME:".replace("TIME", timeStr).replace("NICKNAME", nickname);
		JTextArea nameArea = new JTextArea(str);
		nameArea.setBackground(null);
		nameArea.setEditable(false);
		nameArea.setLineWrap(true);
		nameArea.setWrapStyleWord(true);
		nameArea.setFont(new Font("微软雅黑", Font.PLAIN, 15));
		addToChatboard(nameArea);

		JTextArea textArea = new JTextArea(text);
		textArea.setBackground(null);
		textArea.setEditable(false);
		textArea.setLineWrap(true);
		textArea.setWrapStyleWord(true);
		textArea.setFont(new Font("微软雅黑", Font.PLAIN, 22));
		
		addToChatboard(textArea);
		
	}
	
	private void addToChatboard(Component comp) {
		if (comp == null)
			return;
		chatBoard.setVisible(false);
		chatBoard.add(comp);
		chatBoard.setVisible(true);
		try {
			Thread.sleep(20);
		} catch (InterruptedException e) {
		}
		chatBoard.setVisible(false);
		// 为了隔开每个人的聊天内容，此处追加一个空标签
		JLabel empty = new JLabel();
		chatBoard.add(empty);
		chatBoard.setVisible(true);
		// 将滚动条定位到最底端
		JScrollBar vsb = showScroll.getVerticalScrollBar();// 纵向滚动条
		vsb.setValue(vsb.getMaximum());// 定义到最大值
	}

	private class SendListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			String text = editBox.getText();
			send(text, 1);
			editBox.setText("");
		}
	}

	private class closeListener implements WindowListener {
		public void windowOpened(WindowEvent e) {
		}

		public void windowClosing(WindowEvent e) {
			System.exit(0);
			net.getSocket().disconnect();
		}

		public void windowClosed(WindowEvent e) {
		}

		public void windowIconified(WindowEvent e) {
		}

		public void windowDeiconified(WindowEvent e) {
		}

		public void windowActivated(WindowEvent e) {
		}

		public void windowDeactivated(WindowEvent e) {
		}

	}

//	public static void main(String[] args) {
//		ChatRoomUI cm = new ChatRoomUI();
//		cm.setVisible(true);
//	}
}