package window; // °üÉùÃ÷
import java.awt.*; // µ¼ÈëAWT°ü
import java.sql.Connection; // µ¼ÈëÊý¾Ý¿âÁ¬½ÓÀà
import java.sql.ResultSet; // µ¼Èë½á¹û¼¯Àà
import java.sql.Statement; // µ¼ÈëSQLÓï¾äÀà
import javax.swing.*; // µ¼ÈëSwing°ü
import javax.swing.border.EmptyBorder; // µ¼Èë¿Õ±ß¿òÀà
import java.util.ResourceBundle; // µ¼Èë×ÊÔ´ÊøÀà
import udptcp.UDPPortAReceiver; // µ¼ÈëUDP¶Ë¿ÚA½ÓÊÕÆ÷
import udptcp.UDPPortBReceiver; // µ¼ÈëUDP¶Ë¿ÚB½ÓÊÕÆ÷
import javax.swing.plaf.basic.BasicInternalFrameUI; // µ¼Èë»ù´¡ÄÚ²¿¿ò¼ÜUI

public class WelcomeFrame extends JInternalFrame { // »¶Ó­¿ò¼ÜÀà
    private static final long serialVersionUID = 1L; // ÐòÁл¯°æ±¾ID
    private ResourceBundle messages; // ÏûÏ¢×ÊÔ´Êø
    private Connection conn; // Êý¾Ý¿âÁ¬½Ó
    private Timer statsTimer; // ͳ¼Æ¶¨Ê±Æ÷
    private JLabel udpAPacketCountLabel; // UDP¶Ë¿ÚA°ü¼ÆÊý±êÇ©
    private JLabel udpBPacketCountLabel; // UDP¶Ë¿ÚB°ü¼ÆÊý±êÇ©
    private JLabel memoryUsageLabel; // ÄÚ´æʹÓñêÇ©
    private JLabel threadCountLabel; // Ï̼߳ÆÊý±êÇ©

    public WelcomeFrame(ResourceBundle messages, Connection conn) { // ¹¹Ô캯Êý
        super("", true, true, true, true); // µ÷Óø¸À๹Ô캯Êý£¬ÉèÖñêÌâΪ¿Õ
        this.messages = messages; // ³õʼ»¯ÏûÏ¢×ÊÔ´Êø
        this.conn = conn; // ³õʼ»¯Êý¾Ý¿âÁ¬½Ó
        
        initializeFrame(); // ³õʼ»¯¿ò¼Ü
        setContentPane(createWelcomePanel()); // ÉèÖÃÄÚÈÝÃæ°å
        startStatsTimer(); // Æô¶¯Í³¼Æ¶¨Ê±Æ÷
    }

    private void initializeFrame() { // ³õʼ»¯¿ò¼Ü·½·¨
        setSize(900, 700); // ÉèÖÿò¼Ü´óС
        setLocation(100, 100); // ÉèÖÿò¼ÜλÖÃ
        setMaximizable(true); // ÉèÖÿÉ×î´ó»¯
        setIconifiable(true); // ÉèÖÿÉͼ±ê»¯
        setClosable(true); // ÉèÖÿɹرÕ
        setBorder(null); // ÒƳý±ß¿ò
        setVisible(true); // ÉèÖÿɼû
        
        // ÒƳý±êÌâÀ¸
        BasicInternalFrameUI ui = (BasicInternalFrameUI) this.getUI(); // »ñÈ¡UI×é¼þ
        ui.setNorthPane(null); // ÒƳý±êÌâÀ¸
        
        try {
            setMaximum(true); // ³¢ÊÔ×î´ó»¯´°¿Ú
        } catch (java.beans.PropertyVetoException e) {
            e.printStackTrace(); // ´òÓ¡Òì³£¶ÑÕ»
        }
    }

    private JPanel createWelcomePanel() { // ´´½¨»¶Ó­Ãæ°å·½·¨
        JPanel panel = new BackgroundPanel(); // ´´½¨±³¾°Ãæ°å
        panel.setLayout(new BorderLayout()); // ÉèÖñ߽粼¾Ö
        panel.setBorder(new EmptyBorder(30, 30, 30, 30)); // ÉèÖÿձ߿ò
        
        // ´´½¨±êÌâÃæ°å
        JPanel titlePanel = new JPanel(new BorderLayout()); // ´´½¨±ß½ç²¼¾ÖÃæ°å
        titlePanel.setOpaque(false); // ÉèÖÃ͸Ã÷
        
        JLabel titleLabel = new JLabel(messages.getString("APP_NAME"), SwingConstants.CENTER); // ´´½¨Ó¦ÓÃÃû³Æ±êÇ©
        titleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 42)); // ÉèÖÃ×ÖÌå
        titleLabel.setForeground(new Color(25, 25, 112)); // ÉèÖÃÇ°¾°É«
        titleLabel.setBorder(new EmptyBorder(20, 0, 20, 0)); // ÉèÖÿձ߿ò
        titleLabel.setOpaque(false); // ÉèÖÃ͸Ã÷
        
        JLabel subtitleLabel = new JLabel(messages.getString("WELCOME_MSG"), SwingConstants.CENTER); // ´´½¨»¶Ó­ÏûÏ¢±êÇ©
        subtitleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.ITALIC, 22)); // ÉèÖÃ×ÖÌå
        subtitleLabel.setForeground(new Color(70, 130, 180)); // ÉèÖÃÇ°¾°É«
        subtitleLabel.setOpaque(false); // ÉèÖÃ͸Ã÷
        
        titlePanel.add(titleLabel, BorderLayout.NORTH); // Ìí¼Ó±êÌâµ½±±²¿
        titlePanel.add(subtitleLabel, BorderLayout.CENTER); // Ìí¼Ó¸±±êÌâµ½Öв¿
        
        // ´´½¨ÐÅÏ¢Ãæ°å
        JPanel infoPanel = new JPanel(new GridLayout(0, 2, 20, 20)); // ´´½¨Íø¸ñ²¼¾ÖÃæ°å
        infoPanel.setBorder(new EmptyBorder(30, 50, 30, 50)); // ÉèÖÿձ߿ò
        infoPanel.setBackground(new Color(255, 255, 255, 180)); // ÉèÖðë͸Ã÷°×É«±³¾°
        infoPanel.setOpaque(true); // ÉèÖò»Í¸Ã÷
        
        // Ìí¼Óϵͳ״̬ÐÅÏ¢
        infoPanel.add(createInfoLabel(messages.getString("SYSTEM_STATUS"), 
                     messages.getString("RUNNING_NORMAL"), 
                     new Color(0, 100, 0))); // ÉîÂÌÉ«
        
        // Ìí¼ÓÊý¾Ý¿âÁ¬½ÓÐÅÏ¢
        infoPanel.add(createInfoLabel(messages.getString("DB_CONNECTION"), 
                     conn != null ? messages.getString("CONNECTED") : messages.getString("DISCONNECTED"), 
                     conn != null ? new Color(0, 100, 0) : Color.RED)); // Á¬½Ó³É¹¦ÂÌÉ«/ʧ°ÜºìÉ«
        
        try {
            if (conn != null) { // ¼ì²éÊý¾Ý¿âÁ¬½Ó
                try (Statement stmt = conn.createStatement(); // ´´½¨Óï¾ä
                     ResultSet rs = stmt.executeQuery("SELECT VERSION()")) { // Ö´Ðа汾²éѯ
                    if (rs.next()) { // Èç¹ûÓнá¹û
                        infoPanel.add(createInfoLabel(messages.getString("DB_VERSION"), 
                                     rs.getString(1), 
                                     new Color(25, 25, 112))); // Ìí¼ÓÊý¾Ý¿â°æ±¾
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace(); // ´òÓ¡Òì³£
        }
        
        // Ìí¼Óµ±Ç°Óû§ÐÅÏ¢
        infoPanel.add(createInfoLabel(messages.getString("CURRENT_USER"), 
                     messages.getString("ADMIN"), 
                     new Color(25, 25, 112))); // ÉîÀ¶É«
        
        // Ìí¼Óϵͳʱ¼äÐÅÏ¢
        infoPanel.add(createInfoLabel(messages.getString("SYSTEM_TIME"), 
                     new java.util.Date().toString(), 
                     new Color(25, 25, 112))); // ÉîÀ¶É«
        
        // Ìí¼ÓUDP¶Ë¿ÚAͳ¼Æ
        infoPanel.add(createInfoLabel(messages.getString("UDP_PORT_A"), "0", new Color(178, 34, 34))); // שºìÉ«
        udpAPacketCountLabel = createInfoLabel("", "", new Color(178, 34, 34)); // ´´½¨¼ÆÊý±êÇ©
        infoPanel.add(udpAPacketCountLabel); // Ìí¼Ó¼ÆÊý±êÇ©
        
        // Ìí¼ÓUDP¶Ë¿ÚBͳ¼Æ
        infoPanel.add(createInfoLabel(messages.getString("UDP_PORT_B"), "0", new Color(178, 34, 34))); // שºìÉ«
        udpBPacketCountLabel = createInfoLabel("", "", new Color(178, 34, 34)); // ´´½¨¼ÆÊý±êÇ©
        infoPanel.add(udpBPacketCountLabel); // Ìí¼Ó¼ÆÊý±êÇ©
        
        // Ìí¼ÓÄÚ´æʹÓÃͳ¼Æ
        infoPanel.add(createInfoLabel(messages.getString("MEMORY_USAGE"), "", new Color(148, 0, 211))); // ×ÏÂÞÀ¼É«
        memoryUsageLabel = createInfoLabel("", "", new Color(148, 0, 211)); // ´´½¨ÄÚ´æ±êÇ©
        infoPanel.add(memoryUsageLabel); // Ìí¼ÓÄÚ´æ±êÇ©
        
        // Ìí¼ÓÏ̼߳ÆÊýͳ¼Æ
        infoPanel.add(createInfoLabel(messages.getString("THREAD_COUNT"), "", new Color(148, 0, 211))); // ×ÏÂÞÀ¼É«
        threadCountLabel = createInfoLabel("", "", new Color(148, 0, 211)); // ´´½¨Ï̱߳êÇ©
        infoPanel.add(threadCountLabel); // Ìí¼ÓÏ̱߳êÇ©
        
        // ´´½¨×´Ì¬Ãæ°å
        JPanel statsPanel = new JPanel(new GridLayout(1, 4, 15, 15)); // ´´½¨Íø¸ñ²¼¾ÖÃæ°å
        statsPanel.setBorder(new EmptyBorder(20, 50, 10, 50)); // ÉèÖÿձ߿ò
        statsPanel.setOpaque(false); // ÉèÖÃ͸Ã÷
        
        // Ìí¼Óͳ¼ÆºÐ×Ó
        statsPanel.add(createStatBox(messages.getString("UDP_PORT_A_STAT"), udpAPacketCountLabel)); // UDP¶Ë¿ÚAͳ¼Æ
        statsPanel.add(createStatBox(messages.getString("UDP_PORT_B_STAT"), udpBPacketCountLabel)); // UDP¶Ë¿ÚBͳ¼Æ
        statsPanel.add(createStatBox(messages.getString("MEMORY_USAGE_STAT"), memoryUsageLabel)); // ÄÚ´æʹÓÃͳ¼Æ
        statsPanel.add(createStatBox(messages.getString("THREAD_COUNT_STAT"), threadCountLabel)); // Ï̼߳ÆÊýͳ¼Æ
        
        // ×é×°Ö÷Ãæ°å
        panel.add(titlePanel, BorderLayout.NORTH); // Ìí¼Ó±êÌâÃæ°åµ½±±²¿
        panel.add(infoPanel, BorderLayout.CENTER); // Ìí¼ÓÐÅÏ¢Ãæ°åµ½Öв¿
        panel.add(statsPanel, BorderLayout.SOUTH); // Ìí¼Ó״̬Ãæ°åµ½Äϲ¿
        
        return panel; // ·µ»ØÃæ°å
    }

    private JLabel createInfoLabel(String title, String value, Color color) { // ´´½¨ÐÅÏ¢±êÇ©·½·¨
        JLabel label = new JLabel("<html><div style='text-align:center;'><b>" + title + "</b><br>" + value + "</div></html>"); // ´´½¨´øHTML¸ñʽµÄ±êÇ©
        label.setFont(new Font(messages.getString("FONT_NAME"), Font.PLAIN, 16)); // ÉèÖÃ×ÖÌå
        label.setForeground(color); // ÉèÖÃÇ°¾°É«
        label.setHorizontalAlignment(SwingConstants.CENTER); // ÉèÖÃˮƽ¾ÓÖÐ
        label.setVerticalAlignment(SwingConstants.CENTER); // ÉèÖô¹Ö±¾ÓÖÐ
        label.setOpaque(false); // ÉèÖÃ͸Ã÷
        return label; // ·µ»Ø±êÇ©
    }
    
    private JPanel createStatBox(String title, JLabel valueLabel) { // ´´½¨Í³¼ÆºÐ×Ó·½·¨
        JPanel boxPanel = new JPanel(new BorderLayout()); // ´´½¨±ß½ç²¼¾ÖÃæ°å
        boxPanel.setBorder(BorderFactory.createCompoundBorder( // ÉèÖø´ºÏ±ß¿ò
            BorderFactory.createLineBorder(new Color(70, 130, 180), 2), // À¶É«±ß¿ò
            new EmptyBorder(15, 10, 15, 10) // Äڱ߾à
        ));
        boxPanel.setBackground(new Color(240, 248, 255, 220)); // ÉèÖðë͸Ã÷±³¾°
        boxPanel.setOpaque(true); // ÉèÖò»Í¸Ã÷
        
        JLabel titleLabel = new JLabel(title, SwingConstants.CENTER); // ´´½¨±êÌâ±êÇ©
        titleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18)); // ÉèÖôÖÌå
        titleLabel.setForeground(new Color(25, 25, 112)); // ÉèÖÃÉîÀ¶É«
        
        valueLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 24)); // ÉèÖôÖÌå´ó×ÖºÅ
        valueLabel.setHorizontalAlignment(SwingConstants.CENTER); // ÉèÖþÓÖÐ
        
        boxPanel.add(titleLabel, BorderLayout.NORTH); // Ìí¼Ó±êÌâµ½±±²¿
        boxPanel.add(valueLabel, BorderLayout.CENTER); // Ìí¼ÓÖµ±êÇ©µ½Öв¿
        
        return boxPanel; // ·µ»ØÃæ°å
    }
    
    private void startStatsTimer() { // Æô¶¯Í³¼Æ¶¨Ê±Æ÷·½·¨
        statsTimer = new Timer(1000, e -> { // ´´½¨1Ãë¼ä¸ôµÄ¶¨Ê±Æ÷
            // ¸üÐÂUDPÊý¾Ý°ü¼ÆÊý
            udpAPacketCountLabel.setText(String.valueOf(UDPPortAReceiver.getPacketCount())); // ¸üж˿ÚA¼ÆÊý
            udpBPacketCountLabel.setText(String.valueOf(UDPPortBReceiver.getPacketCount())); // ¸üж˿ÚB¼ÆÊý
            
            // ¸üÐÂÄÚ´æʹÓÃÇé¿ö
            Runtime runtime = Runtime.getRuntime(); // »ñÈ¡ÔËÐÐʱʵÀý
            long usedMemory = (runtime.totalMemory() - runtime.freeMemory()) / (1024 * 1024); // ¼ÆËãÒÑÓÃÄÚ´æ(MB)
            long maxMemory = runtime.maxMemory() / (1024 * 1024); // ¼ÆËã×î´óÄÚ´æ(MB)
            memoryUsageLabel.setText(usedMemory + " " + messages.getString("MB") + " / " + maxMemory + " " + messages.getString("MB")); // ÉèÖÃÄÚ´æÎı¾
            
            // ¸üÐÂÏß³ÌÊýÁ¿
            threadCountLabel.setText(String.valueOf(Thread.activeCount())); // ÉèÖûÏß³ÌÊý
        });
        statsTimer.start(); // Æô¶¯¶¨Ê±Æ÷
    }
    
    @Override
    public void dispose() { // Ïú»Ù·½·¨
        super.dispose(); // µ÷Óø¸ÀàÏú»Ù
        if (statsTimer != null) { // ¼ì²é¶¨Ê±Æ÷
            statsTimer.stop(); // Í£Ö¹¶¨Ê±Æ÷
        }
    }
}