package window;

import java.awt.*;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.swing.*;
import javax.swing.border.EmptyBorder;

import java.util.ResourceBundle;

import udptcp.UDPPortAReceiver;
import udptcp.UDPPortBReceiver;
import dell_targets.Dell_BaseStation;
import dell_targets.Dell_tag;
import dell_targets.Dell_SystemConfiguration;

public class WelcomeFrame extends JInternalFrame {
    private static final long serialVersionUID = 1L;
    private final ResourceBundle messages;
    private final Connection conn;
    private Timer statsTimer;
    private JLabel memoryUsageLabel;
    private JLabel threadCountLabel;
    private JLabel tagStatsLabel;
    private JLabel baseStationStatsLabel;
    private JLabel dbVersionLabel;
    private JLabel udpAInfoLabel;
    private JLabel udpBInfoLabel;

    public WelcomeFrame(ResourceBundle messages, Connection conn) {
        super("", true, true, true, true);
        this.messages = messages;
        this.conn = conn;
        
        initializeFrame();
        setContentPane(createWelcomePanel());
        startStatsTimer();
    }

    private void initializeFrame() {
        setSize(900, 700);
        setLocation(100, 100);
        setMaximizable(true);
        setIconifiable(true);
        setClosable(true);
        setBorder(null);
        
        // ÒƳý±êÌâÀ¸
        ((javax.swing.plaf.basic.BasicInternalFrameUI)this.getUI()).setNorthPane(null);
        
        try {
            setMaximum(true);
        } catch (java.beans.PropertyVetoException e) {
            e.printStackTrace();
        }
        
        setVisible(true); // È·±£¿ò¼Ü¿É¼û
    }

    private JPanel createWelcomePanel() {
        JPanel panel = new JPanel(new BorderLayout());
        panel.setBorder(new EmptyBorder(30, 30, 30, 30));
        panel.setBackground(new Color(245, 248, 255));
        
        // ±êÌâÃæ°å
        JPanel titlePanel = new JPanel(new BorderLayout());
        titlePanel.setOpaque(false);
        titlePanel.setBorder(new EmptyBorder(0, 0, 30, 0));
        
        JLabel titleLabel = new JLabel(messages.getString("APP_NAME"), SwingConstants.CENTER);
        titleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 42));
        titleLabel.setForeground(new Color(25, 25, 112));
        
        JLabel subtitleLabel = new JLabel(messages.getString("WELCOME_MSG"), SwingConstants.CENTER);
        subtitleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.ITALIC, 22));
        subtitleLabel.setForeground(new Color(70, 130, 180));
        subtitleLabel.setBorder(new EmptyBorder(10, 0, 20, 0));
        
        titlePanel.add(titleLabel, BorderLayout.NORTH);
        titlePanel.add(subtitleLabel, BorderLayout.CENTER);
        
        // Ö÷ÐÅÏ¢Ãæ°å
        JPanel infoPanel = new JPanel(new GridBagLayout());
        infoPanel.setBorder(BorderFactory.createCompoundBorder(
            BorderFactory.createLineBorder(new Color(200, 220, 240), 2),
            new EmptyBorder(30, 40, 30, 40)
        ));
        infoPanel.setBackground(new Color(255, 255, 255, 255));
        infoPanel.setOpaque(true);
        
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(15, 15, 15, 15);
        gbc.anchor = GridBagConstraints.WEST;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        
        // µÚÒ»ÁÐ
        gbc.gridx = 0;
        gbc.gridy = 0;
        
        // ÐÞ¸´1: ³õʼ»¯±êÇ©²¢ÉèÖóõʼÎı¾
        tagStatsLabel = new JLabel("0 / 0");
        tagStatsLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("TAG_STATS"), tagStatsLabel, new Color(0, 100, 0)), gbc);
        
        gbc.gridy++;
        baseStationStatsLabel = new JLabel("0 / 0");
        baseStationStatsLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("BASE_STATION_STATS"), baseStationStatsLabel, new Color(0, 100, 0)), gbc);
        
        gbc.gridy++;
        udpAInfoLabel = new JLabel(Dell_SystemConfiguration.hexport + " - " + messages.getString("RECEIVED_PACKETS") + ": 0");
        udpAInfoLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("UDP_PORT_A"), udpAInfoLabel, new Color(178, 34, 34)), gbc);
        
        gbc.gridy++;
        udpBInfoLabel = new JLabel(Dell_SystemConfiguration.ascallport + " - " + messages.getString("RECEIVED_PACKETS") + ": 0");
        udpBInfoLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("UDP_PORT_B"), udpBInfoLabel, new Color(178, 34, 34)), gbc);
        
        gbc.gridy++;
        memoryUsageLabel = new JLabel("0 MB / 0 MB");
        memoryUsageLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("MEMORY_USAGE"), memoryUsageLabel, new Color(148, 0, 211)), gbc);
        
        // µÚ¶þÁÐ
        gbc.gridx = 1;
        gbc.gridy = 0;
        threadCountLabel = new JLabel("0");
        threadCountLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("THREAD_COUNT"), threadCountLabel, new Color(148, 0, 211)), gbc);
        
        gbc.gridy++;
        dbVersionLabel = new JLabel(""); // ³õʼΪ¿Õ£¬ÉÔºóÉèÖÃ
        dbVersionLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("DB_VERSION"), dbVersionLabel, new Color(25, 25, 112)), gbc);
        
        gbc.gridy++;
        JLabel dbStatusLabel = new JLabel(conn != null ? messages.getString("CONNECTED") : messages.getString("DISCONNECTED"));
        dbStatusLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        dbStatusLabel.setForeground(conn != null ? new Color(0, 100, 0) : Color.RED);
        infoPanel.add(createInfoRow(messages.getString("DB_STATUS"), dbStatusLabel, new Color(25, 25, 112)), gbc);
        
        gbc.gridy++;
        JLabel softwareVersionLabel = new JLabel(messages.getString("APP_VERSION"));
        softwareVersionLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        infoPanel.add(createInfoRow(messages.getString("SOFTWARE_VERSION"), softwareVersionLabel, new Color(25, 25, 112)), gbc);
        
        // ³õʼ»¯Êý¾Ý¿â°æ±¾
        if (conn != null && dbVersionLabel.getText().isEmpty()) {
            updateDbVersion();
        }
        
        // ×é×°Ö÷Ãæ°å
        panel.add(titlePanel, BorderLayout.NORTH);
        panel.add(infoPanel, BorderLayout.CENTER);
        
        return panel;
    }

    private JPanel createInfoRow(String title, JLabel valueLabel, Color color) {
        JPanel rowPanel = new JPanel(new BorderLayout(10, 0));
        rowPanel.setOpaque(false);
        
        JLabel titleLabel = new JLabel(title + ":");
        titleLabel.setFont(new Font(messages.getString("FONT_NAME"), Font.BOLD, 18));
        titleLabel.setForeground(color.darker());
        
        valueLabel.setForeground(color);
        
        rowPanel.add(titleLabel, BorderLayout.WEST);
        rowPanel.add(valueLabel, BorderLayout.CENTER);
        
        // Ìí¼Ó×°ÊÎÆ÷
        JPanel decorator = new JPanel();
        decorator.setPreferredSize(new Dimension(5, 5));
        decorator.setBackground(color);
        decorator.setOpaque(true);
        rowPanel.add(decorator, BorderLayout.EAST);
        
        return rowPanel;
    }
    
    private void updateDbVersion() {
        if (conn != null) {
            try (Statement stmt = conn.createStatement();
                 ResultSet rs = stmt.executeQuery("SELECT VERSION()")) {
                if (rs.next()) {
                    dbVersionLabel.setText(rs.getString(1));
                }
            } catch (Exception ex) {
                dbVersionLabel.setText("N/A");
            }
        }
    }
    
    private void startStatsTimer() {
        statsTimer = new Timer(1000, e -> {
            // ¸üÐÂUDP¶Ë¿ÚAÐÅÏ¢
            int packetCountA = (int) UDPPortAReceiver.getPacketCount();
            udpAInfoLabel.setText(Dell_SystemConfiguration.hexport + " - " + 
                                 messages.getString("RECEIVED_PACKETS") + ": " + packetCountA);
            
            // ¸üÐÂUDP¶Ë¿ÚBÐÅÏ¢
            int packetCountB = (int) UDPPortBReceiver.getPacketCount();
            udpBInfoLabel.setText(Dell_SystemConfiguration.ascallport + " - " + 
                                  messages.getString("RECEIVED_PACKETS") + ": " + packetCountB);
            
            // ¸üÐÂÄÚ´æʹÓÃÇé¿ö
            Runtime runtime = Runtime.getRuntime();
            long usedMemory = (runtime.totalMemory() - runtime.freeMemory()) / (1024 * 1024);
            long maxMemory = runtime.maxMemory() / (1024 * 1024);
            memoryUsageLabel.setText(usedMemory + " " + messages.getString("MB") + " / " + 
                                    maxMemory + " " + messages.getString("MB"));
            
            // ¸üÐÂÏß³ÌÊý
            threadCountLabel.setText(String.valueOf(Thread.activeCount()));
            
            // ¸üбêǩ״̬
            int onlineTags = Dell_tag.getOnlineLocationTags().size();
            int totalTags = Dell_tag.getLocationTagCount();
            tagStatsLabel.setText(onlineTags + " / " + totalTags);
            
            // ¸üлùվ״̬
            int onlineStations = Dell_BaseStation.getOnlineBaseStations().size();
            int totalStations = Dell_BaseStation.getLocationBaseCount();
            baseStationStatsLabel.setText(onlineStations + " / " + totalStations);
        });
        statsTimer.start();
    }
    
    @Override
    public void dispose() {
        super.dispose();
        if (statsTimer != null) {
            statsTimer.stop();
        }
    }
}