package home;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import java.awt.*;
import java.util.Locale;
import java.util.ResourceBundle;

public class QuickCalculationPanel extends JPanel {
    private static final long serialVersionUID = 1L;
    private ResourceBundle messages;
    private JTextField pointATextField;
    private JTextField pointBTextField;
    private JTextField xyToLonLatTextField;
    private JTextField lonLatToXYTextField;
    private JTextField point1RawTextField;
    private JTextField point2RawTextField;
    private JTextField distanceResultTextField;
    private JTable nmeaTable;
    private DefaultTableModel tableModel;
    private JTextField result1TextField;
    private JTextField result2TextField;

    // ¹¹Ô캯Êý
    public QuickCalculationPanel(ResourceBundle messages) {
        this.messages = messages;
        setLayout(new BorderLayout());
        setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
        setBackground(Color.WHITE);
        initUI();
    }

    // ³õʼ»¯Óû§½çÃæ
    private void initUI() {
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
        mainPanel.setBackground(Color.WHITE);
        
        // ´´½¨´ø±êÌâ±ß¿òµÄÃæ°å
        mainPanel.add(createPointInputPanel());
        mainPanel.add(Box.createVerticalStrut(10));
        mainPanel.add(createCoordinateConversionPanel());
        mainPanel.add(Box.createVerticalStrut(10));
        mainPanel.add(createDistanceCalculationPanel());
        mainPanel.add(Box.createVerticalStrut(10));
        mainPanel.add(createNMEATablePanel());
        
        JScrollPane scrollPane = new JScrollPane(mainPanel);
        scrollPane.setBorder(BorderFactory.createEmptyBorder());
        add(scrollPane, BorderLayout.CENTER);
    }

    /**
     * ´´½¨µãÊäÈëÃæ°å
     */
    private JPanel createPointInputPanel() {
        JPanel panel = createTitledPanel(getMessage("POINT_INPUT_SECTION", "µãÊäÈëÇøÓò"));
        panel.setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets = new Insets(5, 5, 5, 5); // ÉèÖÃ×é¼þ¼ä¾àΪ5ÏñËØ
        
        // µãAÊäÈë
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.weightx = 0;
        JLabel pointALabel = new JLabel(getMessage("POINT_A", "µãA") + ":");
        panel.add(pointALabel, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        pointATextField = new JTextField();
        pointATextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        pointATextField.setToolTipText(getMessage("POINT_A1", "¸ñʽ: ¾­¶È,γ¶È,±¾µØX,±¾µØY"));
        panel.add(pointATextField, gbc);
        
        // µãBÊäÈë
        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.weightx = 0;
        JLabel pointBLabel = new JLabel(getMessage("POINT_B", "µãB") + ":");
        panel.add(pointBLabel, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        pointBTextField = new JTextField();
        pointBTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        pointBTextField.setToolTipText(getMessage("POINT_B1", "¸ñʽ: ¾­¶È,γ¶È,±¾µØX,±¾µØY"));
        panel.add(pointBTextField, gbc);
        
        return panel;
    }

    /**
     * ´´½¨×ø±êת»»Ãæ°å
     */
    private JPanel createCoordinateConversionPanel() {
        JPanel panel = createTitledPanel(getMessage("COORDINATE_CONVERSION", "×ø±êת»»"));
        panel.setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets = new Insets(5, 5, 5, 5); // ÉèÖÃ×é¼þ¼ä¾àΪ5ÏñËØ
        
        // XYת¾­Î³¶È
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.weightx = 0;
        JLabel xyToLonLatLabel = new JLabel(getMessage("XY_TO_LONLAT", "XYת¾­Î³¶È") + ":");
        panel.add(xyToLonLatLabel, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        xyToLonLatTextField = new JTextField();
        xyToLonLatTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        xyToLonLatTextField.setToolTipText(getMessage("XY_TO_LONLAT1", "ÊäÈëX,Y×ø±ê"));
        panel.add(xyToLonLatTextField, gbc);
        
        gbc.gridx = 2;
        gbc.weightx = 0;
        JButton convertXYButton = createStyledButton(getMessage("CONVERT", "ת»»"));
        convertXYButton.addActionListener(e -> convertXYToLonLat());
        panel.add(convertXYButton, gbc);
        
        // ת»»½á¹û1
        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.weightx = 0;
        JLabel result1Label = new JLabel(getMessage("RESULT", "½á¹û") + ":");
        panel.add(result1Label, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        result1TextField = new JTextField();
        result1TextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        result1TextField.setEditable(false);
        panel.add(result1TextField, gbc);
        
        // ¾­Î³¶ÈתXY
        gbc.gridx = 0;
        gbc.gridy = 2;
        gbc.weightx = 0;
        JLabel lonLatToXYLabel = new JLabel(getMessage("LONLAT_TO_XY", "¾­Î³¶ÈתXY") + ":");
        panel.add(lonLatToXYLabel, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        lonLatToXYTextField = new JTextField();
        lonLatToXYTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        lonLatToXYTextField.setToolTipText(getMessage("LONLAT_TO_XY1", "ÊäÈë¾­¶È,γ¶È"));
        panel.add(lonLatToXYTextField, gbc);
        
        gbc.gridx = 2;
        gbc.weightx = 0;
        JButton convertLonLatButton = createStyledButton(getMessage("CONVERT", "ת»»"));
        convertLonLatButton.addActionListener(e -> convertLonLatToXY());
        panel.add(convertLonLatButton, gbc);
        
        // ת»»½á¹û2
        gbc.gridx = 0;
        gbc.gridy = 3;
        gbc.weightx = 0;
        JLabel result2Label = new JLabel(getMessage("RESULT", "½á¹û") + ":");
        panel.add(result2Label, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        result2TextField = new JTextField();
        result2TextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        result2TextField.setEditable(false);
        panel.add(result2TextField, gbc);
        
        return panel;
    }

    /**
     * ´´½¨¾àÀë¼ÆËãÃæ°å
     */
    private JPanel createDistanceCalculationPanel() {
        JPanel panel = createTitledPanel(getMessage("DISTANCE_CALCULATION", "¾àÀë¼ÆËã"));
        panel.setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets = new Insets(5, 5, 5, 5); // ÉèÖÃ×é¼þ¼ä¾àΪ5ÏñËØ
        
        // ԭʼµã1ÊäÈë
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.weightx = 0;
        JLabel point1Label = new JLabel(getMessage("POINT1_RAW", "ԭʼµã1") + ":");
        panel.add(point1Label, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        point1RawTextField = new JTextField();
        point1RawTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        panel.add(point1RawTextField, gbc);
        
        // ԭʼµã2ÊäÈë
        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.weightx = 0;
        JLabel point2Label = new JLabel(getMessage("POINT2_RAW", "ԭʼµã2") + ":");
        panel.add(point2Label, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        point2RawTextField = new JTextField();
        point2RawTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        panel.add(point2RawTextField, gbc);
        
        // ¼ÆËã°´Å¥ºÍ½á¹û
        gbc.gridx = 0;
        gbc.gridy = 2;
        gbc.weightx = 0;
        JButton calculateButton = createStyledButton(getMessage("CALCULATE_DISTANCE", "¼ÆËã¾àÀë"));
        calculateButton.addActionListener(e -> calculateDistance());
        panel.add(calculateButton, gbc);
        
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        distanceResultTextField = new JTextField();
        distanceResultTextField.setPreferredSize(new Dimension(200, 25)); // ÉèÖÃÎı¾¿ò³¤¶ÈΪ300ÏñËØ
        distanceResultTextField.setEditable(false);
        panel.add(distanceResultTextField, gbc);
        
        return panel;
    }

    /**
     * ´´½¨NMEA±í¸ñÃæ°å
     */
    private JPanel createNMEATablePanel() {
        JPanel panel = createTitledPanel(getMessage("NMEA_DATA_TABLE", "NMEAÊý¾Ý±í"));
        panel.setLayout(new BorderLayout());
        
        // ´´½¨±í¸ñÁбêÌâ
        String[] columns = {
            getMessage("FIELD_NAME", "×Ö¶ÎÃû"),
            getMessage("POINT1", "µã1"),
            getMessage("POINT2", "µã2")
        };
        
        // ¶¨Òå±í¸ñÐÐÃû³Æ
        String[] rowNames = {
            getMessage("MSG_ID", "ÏûÏ¢ID"),
            getMessage("UTC_TIME", "UTCʱ¼ä"),
            getMessage("LATITUDE", "γ¶È"),
            getMessage("LAT_HEMISPHERE", "γ¶È°ëÇò"),
            getMessage("LONGITUDE", "¾­¶È"),
            getMessage("LON_HEMISPHERE", "¾­¶È°ëÇò"),
            getMessage("QUALITY", "ÖÊÁ¿"),
            getMessage("NUM_SATELLITES", "ÎÀÐÇÊýÁ¿"),
            getMessage("HDOP", "HDOP"),
            getMessage("ALTITUDE", "º£°Î"),
            getMessage("ALTITUDE_UNIT", "º£°Îµ¥Î»"),
            getMessage("GEOID_HEIGHT", "´óµØË®×¼Ãæ¸ß¶È"),
            getMessage("GEOID_HEIGHT_UNIT", "´óµØË®×¼Ãæ¸ß¶Èµ¥Î»"),
            getMessage("DIFF_TIME", "²î·Öʱ¼ä"),
            getMessage("CHECKSUM", "УÑéºÍ"),
            getMessage("DEVICE_ID", "É豸ID"),
            getMessage("DEVICE_POWER", "É豸¹¦ÂÊ"),
            getMessage("SIGNAL_STRENGTH", "ÐźÅÇ¿¶È"),
            getMessage("RESERVED1", "±£Áô1"),
            getMessage("RESERVED2", "±£Áô2"),
            getMessage("RESERVED3", "±£Áô3")
        };
        
        // ³õʼ»¯±í¸ñÄ£ÐÍ
        tableModel = new DefaultTableModel(columns, 0);
        // Ìí¼ÓÐÐÊý¾Ý
        for (String rowName : rowNames) {
            tableModel.addRow(new Object[]{rowName, "", ""});
        }
        
        // ´´½¨±í¸ñ²¢½ûÓñ༭
        nmeaTable = new JTable(tableModel);
        nmeaTable.setEnabled(false);
        nmeaTable.setRowHeight(25);
        nmeaTable.getTableHeader().setReorderingAllowed(false);
        
        JScrollPane scrollPane = new JScrollPane(nmeaTable);
        scrollPane.setPreferredSize(new Dimension(600, 300));
        panel.add(scrollPane, BorderLayout.CENTER);
        
        return panel;
    }

    /**
     * ´´½¨´ø±êÌâ±ß¿òµÄÃæ°å
     */
    private JPanel createTitledPanel(String title) {
        JPanel panel = new JPanel();
        panel.setBorder(BorderFactory.createTitledBorder(
            BorderFactory.createLineBorder(Color.GRAY), title));
        panel.setBackground(Color.WHITE);
        return panel;
    }

    /**
     * ´´½¨Ñùʽ°´Å¥£¨²Î¿¼ExtensionPanelµÄ°´Å¥Ñùʽ£©
     */
    private JButton createStyledButton(String text) {
        JButton button = new JButton(text);
        
        // ÉèÖð´Å¥´óСΪ80¡Á25£¨¿í¡Á¸ß£©
        button.setPreferredSize(new Dimension(80, 25));
        button.setMinimumSize(new Dimension(80, 25));
        button.setMaximumSize(new Dimension(100, 25));
        
        // ÉèÖð´Å¥Ñùʽ£¨²Î¿¼ExtensionPanel£©
        button.setBackground(new Color(0, 120, 215));
        button.setForeground(Color.WHITE);
        button.setFocusPainted(false);
        button.setBorderPainted(false);
        button.setFont(button.getFont().deriveFont(Font.BOLD, 12f));
        
        // Ìí¼ÓÊó±ê½»»¥Ð§¹û£¨²Î¿¼ExtensionPanel£©
        button.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseEntered(java.awt.event.MouseEvent evt) {
                button.setBackground(new Color(0, 150, 255)); // Ðüͣʱ±äÁÁ
                button.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
            }
            
            public void mouseExited(java.awt.event.MouseEvent evt) {
                button.setBackground(new Color(0, 120, 215)); // »Ö¸´Õý³£ÑÕÉ«
                button.setCursor(Cursor.getDefaultCursor());
            }
            
            public void mousePressed(java.awt.event.MouseEvent evt) {
                // µã»÷Ч¹û - ÑÕÉ«±äÉî²¢ÓÐÇá΢ËõСЧ¹û
                button.setBackground(new Color(0, 80, 160));
                button.setBounds(button.getX() + 1, button.getY() + 1, 78, 23);
            }
            
            public void mouseReleased(java.awt.event.MouseEvent evt) {
                // »Ö¸´Ô­×´
                button.setBackground(new Color(0, 150, 255));
                button.setBounds(button.getX() - 1, button.getY() - 1, 80, 25);
            }
        });
        
        return button;
    }

    /**
     * »ñÈ¡ÏûÏ¢Îı¾£¬Èç¹û×ÊÔ´ÊøÖÐûÓÐÔòʹÓÃĬÈÏÖµ
     */
    private String getMessage(String key, String defaultValue) {
        try {
            return messages.getString(key);
        } catch (Exception e) {
            return defaultValue;
        }
    }

    // XY×ø±êת¾­Î³¶È
    private void convertXYToLonLat() {
        String xy = xyToLonLatTextField.getText().trim();
        if (xy.isEmpty()) {
            JOptionPane.showMessageDialog(this, getMessage("FIELD_REQUIRED", "´Ë×Ö¶ÎΪ±ØÌîÏî"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        // »ñÈ¡AµãÊý¾Ý
        String[] pointA = pointATextField.getText().split(",|£¬");
        if (pointA.length < 4) {
            JOptionPane.showMessageDialog(this, 
                String.format(getMessage("INVALID_POINT_FORMAT2", "µãA¸ñʽÎÞЧ"), getMessage("POINT_A", "µãA")), 
                getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        // »ñÈ¡BµãÊý¾Ý
        String[] pointB = pointBTextField.getText().split(",|£¬");
        if (pointB.length < 4) {
            JOptionPane.showMessageDialog(this, 
                String.format(getMessage("INVALID_POINT_FORMAT3", "µãB¸ñʽÎÞЧ"), getMessage("POINT_B", "µãB")), 
                getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        try {
            // ½âÎöÊäÈëÊý¾Ý
            double latA = Double.parseDouble(pointA[1]);
            double lonA = Double.parseDouble(pointA[0]);
            double localXA = Double.parseDouble(pointA[2]);
            double localYA = Double.parseDouble(pointA[3]);
            
            double latB = Double.parseDouble(pointB[1]);
            double lonB = Double.parseDouble(pointB[0]);
            double localXB = Double.parseDouble(pointB[2]);
            double localYB = Double.parseDouble(pointB[3]);
            
            // ¼ì²é¾­Î³¶ÈÊÇ·ñΪÁã
            if (latA == 0 || lonA == 0 || latB == 0 || lonB == 0) {
                JOptionPane.showMessageDialog(this, 
                    String.format(getMessage("ZERO_LATLON", "¾­Î³¶È²»ÄÜΪÁã"), getMessage("POINT_A", "µãA") + "/" + getMessage("POINT_B", "µãB")), 
                    getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            
            String[] xyParts = xy.split(",|£¬");
            if (xyParts.length < 2) {
                JOptionPane.showMessageDialog(this, getMessage("XY_TO_LONLAT12", "ÇëÊäÈëX,Y×ø±ê"), 
                                             getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            String localX = xyParts[0];
            String localY = xyParts[1];
            
            // µ÷ÓÃת»»·½·¨
            String[] result = XyToLatLngConverter.convertLocalToGlobalCoordinates(
                localX, localY,
                latA, lonA, latB, lonB,
                localXA, localYA, localXB, localYB
            );
            
            // ÏÔʾת»»½á¹û£¨Ê®½øÖƾ­Î³¶È£©
            result1TextField.setText(result[3] + "," + result[2]);
            
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(this, getMessage("INVALID_NUMBER", "ÎÞЧÊý×Ö¸ñʽ"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, 
                String.format(getMessage("SAVE_FENCE_ERROR", "±£´æΧÀ¸´íÎó: %s"), e.getMessage()), 
                getMessage("ERROR", "´íÎó"), JOptionPane.ERROR_MESSAGE);
        }
    }

    // ¾­Î³¶ÈתXY×ø±ê
    private void convertLonLatToXY() {
        String lonlat = lonLatToXYTextField.getText().trim();
        if (lonlat.isEmpty()) {
            JOptionPane.showMessageDialog(this, getMessage("FIELD_REQUIRED", "´Ë×Ö¶ÎΪ±ØÌîÏî"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        try {
            // ½âÎöµ±Ç°µãµÄ¾­Î³¶È
            String[] lonLatParts = lonlat.split("[,£¬]");
            if (lonLatParts.length < 2) {
                JOptionPane.showMessageDialog(this, getMessage("INVALID_LONLAT_FORMAT", "¾­Î³¶È¸ñʽÎÞЧ"),
                                             getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            String jd1 = lonLatParts[0].trim();
            String wd1 = lonLatParts[1].trim();
            
            // ½âÎöAµãÊý¾Ý
            String[] pointA = pointATextField.getText().split("[,£¬]");
            if (pointA.length < 4) {
                JOptionPane.showMessageDialog(this, 
                    String.format(getMessage("INVALID_POINT_FORMAT", "µã¸ñʽÎÞЧ"), getMessage("POINT_A", "µãA")), 
                    getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            double latA = Double.parseDouble(pointA[1].trim());
            double lonA = Double.parseDouble(pointA[0].trim());
            double localXA = Double.parseDouble(pointA[2].trim());
            double localYA = Double.parseDouble(pointA[3].trim());
            
            // ½âÎöBµãÊý¾Ý
            String[] pointB = pointBTextField.getText().split("[,£¬]");
            if (pointB.length < 4) {
                JOptionPane.showMessageDialog(this, 
                    String.format(getMessage("INVALID_POINT_FORMAT", "µã¸ñʽÎÞЧ"), getMessage("POINT_B", "µãB")), 
                    getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            double latB = Double.parseDouble(pointB[1].trim());
            double lonB = Double.parseDouble(pointB[0].trim());
            double localXB = Double.parseDouble(pointB[2].trim());
            double localYB = Double.parseDouble(pointB[3].trim());
            
            // ¼ì²é¾­Î³¶ÈÊÇ·ñΪÁã
            if (latA == 0 || lonA == 0 || latB == 0 || lonB == 0) {
                JOptionPane.showMessageDialog(this, 
                    String.format(getMessage("ZERO_LATLON", "¾­Î³¶È²»ÄÜΪÁã"), getMessage("POINT_A", "µãA") + "/" + getMessage("POINT_B", "µãB")), 
                    getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            
            // µ÷ÓÃת»»·½·¨
            int[] xyResult = CoordinateTranslator.gps_xy(
                new String[]{String.valueOf(lonA), String.valueOf(latA), String.valueOf(localXA), String.valueOf(localYA)},
                new String[]{String.valueOf(lonB), String.valueOf(latB), String.valueOf(localXB), String.valueOf(localYB)},
                jd1, 
                wd1
            );
            
            // ÏÔʾת»»½á¹û (X, Y)
            result2TextField.setText(xyResult[1] + ", " + xyResult[0]);
            
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(this, getMessage("INVALID_NUMBER", "ÎÞЧÊý×Ö¸ñʽ"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, 
                String.format(getMessage("CONVERSION_ERROR", "ת»»´íÎó: %s"), e.getMessage()), 
                getMessage("ERROR", "´íÎó"), JOptionPane.ERROR_MESSAGE);
        }
    }

    /**
     * ¼ÆËãÁ½µã¼ä¾àÀë
     */
    private void calculateDistance() {
        String point1 = point1RawTextField.getText().trim();
        String point2 = point2RawTextField.getText().trim();
        
        if (point1.isEmpty() || point2.isEmpty()) {
            JOptionPane.showMessageDialog(this, getMessage("FIELD_REQUIRED", "´Ë×Ö¶ÎΪ±ØÌîÏî"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        parseNMEAData(point1, 1);
        parseNMEAData(point2, 2);
        
        try {
            // ½âÎöNMEAÊý¾Ý»ñÈ¡¾­Î³¶È
            String[] fields1 = point1.split(",");
            String[] fields2 = point2.split(",");
            
            // È·±£ÓÐ×ã¹»×ֶΠ(γ¶ÈÔÚË÷Òý2£¬¾­¶ÈÔÚË÷Òý4)
            if (fields1.length < 6 || fields2.length < 6) {
                JOptionPane.showMessageDialog(this, getMessage("INVALID_NMEA_FORMAT", "NMEAÊý¾Ý¸ñʽÎÞЧ"),
                                             getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
                return;
            }
            
            // ÌáÈ¡µã1µÄ¾­Î³¶È
            double lat1 = Double.parseDouble(fields1[2]);
            double lon1 = Double.parseDouble(fields1[4]);
            
            // ÌáÈ¡µã2µÄ¾­Î³¶È
            double lat2 = Double.parseDouble(fields2[2]);
            double lon2 = Double.parseDouble(fields2[4]);
            
            // ʹÓÃCoordinateTranslator¼ÆËã¾àÀë (ÀåÃ×)
            int distanceCm = CoordinateTranslator.distance2(lon1, lat1, lon2, lat2);
            
            // ת»»ÎªÃײ¢±£ÁôÁ½Î»Ð¡Êý
            double distanceMeters = distanceCm / 100.0;
            String formattedDistance = String.format(Locale.US, "%.2f %s", distanceMeters, getMessage("METERS", "Ã×"));
            
            // ÏÔʾ¼ÆËã½á¹û
            distanceResultTextField.setText(formattedDistance);
            
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(this, getMessage("INVALID_NUMBER", "ÎÞЧÊý×Ö¸ñʽ"), 
                                         getMessage("VALIDATION_ERROR", "ÑéÖ¤´íÎó"), JOptionPane.ERROR_MESSAGE);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, 
                String.format(getMessage("CALCULATION_ERROR", "¼ÆËã´íÎó: %s"), e.getMessage()), 
                getMessage("ERROR", "´íÎó"), JOptionPane.ERROR_MESSAGE);
        }
    }

    /**
     * ½âÎöNMEAÊý¾Ýµ½±í¸ñ
     */
    private void parseNMEAData(String nmea, int pointIndex) {
        String[] fields = nmea.split(",");
        int column = pointIndex;
        
        // Ìî³ä±í¸ñÊý¾Ý
        for (int i = 0; i < Math.min(fields.length, tableModel.getRowCount()); i++) {
            tableModel.setValueAt(fields[i], i, column);
        }
    }
}