package home;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.BorderFactory;
import javax.swing.JPanel;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

// ¿ÉÊÓ»¯Ãæ°åÀà
class VisualizationPanel extends JPanel {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private int distance = 0;
    private int angle = 0;
    private AOAFollowSystem parentFrame;
    private String anchorid = "Anchor";
    private String tagid = "Tag";
    private double scaleFactor = 1.0; // Ëõ·ÅÒò×Ó
    private static final double MIN_SCALE = 0.2; // ×îСËõ·Å±¶Êý
    private static final double MAX_SCALE = 5.0; // ×î´óËõ·Å±¶Êý
    
    // ʹÓÃÖ§³ÖÖÐÎĵÄ×ÖÌå
    private Font boldFont = new Font("Microsoft YaHei", Font.BOLD, 14);
    private Font normalFont = new Font("Microsoft YaHei", Font.PLAIN, 12);
    private Font titleFont = new Font("Microsoft YaHei", Font.BOLD, 12);
    
    public VisualizationPanel(AOAFollowSystem parentFrame) {
        this.parentFrame = parentFrame;
        setPreferredSize(new Dimension(400, 400));
        setBorder(BorderFactory.createTitledBorder(parentFrame.getString("visualization")));
        
        // Ìí¼ÓÊó±ê¹öÂÖ¼àÌýÆ÷
        addMouseWheelListener(new MouseWheelListener() {
            @Override
            public void mouseWheelMoved(MouseWheelEvent e) {
                int notches = e.getWheelRotation();
                if (notches < 0) {
                    // ÏòÉϹö¶¯£¬·Å´ó
                    scaleFactor = Math.min(scaleFactor * 1.1, MAX_SCALE);
                } else {
                    // ÏòϹö¶¯£¬ËõС
                    scaleFactor = Math.max(scaleFactor / 1.1, MIN_SCALE);
                }
                repaint();
            }
        });
    }

    public void updatePosition(int distance, int angle) {
        // ÓÅ»¯£ºÖ»ÓÐÊý¾Ý±ä»¯Ê±²ÅÖØ»æ
        if (this.distance != distance || this.angle != angle) {
            this.distance = distance;
            // ½«½Ç¶È·¶Î§×ª»»Îª-180µ½180¶È£¬ÕýÏ·½Îª0¶È
            this.angle = normalizeAngle(angle);
            repaint();
        }
    }
    
    // ½Ç¶È¹éÒ»»¯·½·¨£¬½«½Ç¶Èת»»Îª-180µ½180¶È·¶Î§£¬ÕýÏ·½Îª0¶È
    private int normalizeAngle(int angle) {
        // Ê×ÏȽ«½Ç¶Èת»»Îª0-360¶È·¶Î§
        angle = angle % 360;
        if (angle < 0) {
            angle += 360;
        }
        
        // ½«0-360¶Èת»»Îª-180µ½180¶È£¬ÕýÏ·½Îª0¶È
        // 0¶È¶ÔÓ¦ÕýÏ·½£¬90¶È¶ÔÓ¦Õý×ó·½£¬180/-180¶È¶ÔÓ¦ÕýÉÏ·½£¬-90¶È¶ÔÓ¦ÕýÓÒ·½
        int normalizedAngle = angle - 180;
        if (normalizedAngle > 180) {
            normalizedAngle -= 360;
        } else if (normalizedAngle <= -180) {
            normalizedAngle += 360;
        }
        
        return normalizedAngle;
    }

    public void setAnchorId(String anchorid) {
        this.anchorid = anchorid;
    }

    public void setTagId(String tagid) {
        this.tagid = tagid;
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);

        Graphics2D g2d = (Graphics2D) g;
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        
        // È·±£Ê¹ÓÃÖ§³ÖÖÐÎĵÄ×ÖÌå
        g2d.setFont(normalFont);

        int centerX = getWidth() / 2;
        int centerY = getHeight()/ 2 - 30;
        int maxRadius = (int) (Math.min(centerX, centerY) * scaleFactor - 20);

        // ÉèÖñ³¾°ÑÕÉ«
        g2d.setColor(new Color(240, 240, 240));
        g2d.fillRect(0, 0, getWidth(), getHeight());

        // »æÖÆ×ø±êÖá
        g2d.setColor(Color.LIGHT_GRAY);
        g2d.drawLine(centerX, 0, centerX, getHeight());
        g2d.drawLine(0, centerY, getWidth(), centerY);

        // »æÖƽǶȿ̶ÈÏß (-180¡ã µ½ 180¡ã)
        g2d.setColor(new Color(150, 150, 150));
        for (int i = -180; i <= 180; i += 30) {
            // ת»»Îª»¡¶È£¬ÕýÏ·½Îª0¶È
            double rad = Math.toRadians(i);
            int x1 = centerX + (int) (maxRadius * Math.sin(rad));
            int y1 = centerY - (int) (maxRadius * Math.cos(rad));
            g2d.setColor(new Color(100, 100, 100));
            g2d.drawLine(centerX, centerY, x1, y1);

            // »æÖƽǶȱêÇ©
            int labelX = centerX + (int) ((maxRadius + 15) * Math.sin(rad));
            int labelY = centerY - (int) ((maxRadius + 15) * Math.cos(rad));
            g2d.setColor(Color.blue);
            g2d.drawString(i + "¡ã", labelX - 10, labelY + 5);
        }

        // »æÖƾàÀëԲȦºÍ±êÇ©
        g2d.setColor(new Color(100, 100, 100));
        for (int i = 1; i <= 5; i++) {
            int radius = maxRadius * i / 5;
            g2d.drawOval(centerX - radius, centerY - radius, radius * 2, radius * 2);
            // Ð޸ģº½«¾àÀë±êÇ©ÏÔʾÔÚԲȦÕýÄÏ·½Öмä
            String distanceLabel = (int)(i * 200 / scaleFactor) + "cm";
            int labelWidth = g2d.getFontMetrics().stringWidth(distanceLabel);
            g2d.drawString(distanceLabel, centerX - labelWidth / 2, centerY + radius + 15);
        }

        // »æÖÆAµã£¨Ãªµã£©
        g2d.setColor(Color.BLACK);
        g2d.fillOval(centerX - 5, centerY - 5, 10, 10);
        // AµãÕýÉÏ·½ÏÔʾÉ豸±àºÅ
        g2d.setFont(titleFont);
        g2d.drawString(anchorid, centerX - g2d.getFontMetrics().stringWidth(anchorid)/2, centerY - 15);
        g2d.setFont(normalFont);

        // »æÖÆBµã£¨±êÇ©µã£©
        if (distance > 0) {
            // ¸ù¾Ý¾àÀë¼ÆËãËõ·Å±ÈÀý£¨×î´ó1000ÀåÃ×£©
            double scaledDistance = Math.min(distance, 1000) * maxRadius / 1000.0;
            double rad = Math.toRadians(angle);

            int bX = centerX + (int) (scaledDistance * Math.sin(rad));
            int bY = centerY - (int) (scaledDistance * Math.cos(rad));
            // »æÖÆÁ¬½ÓÏß
            g2d.setColor(new Color(0, 100, 200, 150));
            g2d.drawLine(centerX, centerY, bX, bY);

            // BµãÕýÏ·½ÏÔʾ¾àÀëºÍ½Ç¶ÈÐÅÏ¢
            String distanceText = distance + "cm";
            String angleText = angle + "¡ã";
            
            // ÉèÖüӴÖ×ÖÌåºÍ¼Ó´ó×ÖºÅ
            g2d.setFont(boldFont);
            g2d.setColor(Color.RED);
            
            // ¼ÆËãÎı¾Î»Öã¨BµãÕýÏ·½£©
            int textY = bY + 25;
            g2d.drawString(distanceText, bX - g2d.getFontMetrics().stringWidth(distanceText)/2, textY);
            g2d.drawString(angleText, bX - g2d.getFontMetrics().stringWidth(angleText)/2, textY + 20);
            
            // »Ö¸´Ô­Ê¼×ÖÌå
            g2d.setFont(normalFont);

            // ÔÚÃæ°åµ×²¿ÏÔʾ¾àÀëºÍ½Ç¶ÈÐÅÏ¢ - ʵʱ»ñÈ¡×Ö·û´®£¬²»Ê¹Óûº´æ
            g2d.setFont(boldFont);
            // Ö±½Ó´Ó¸¸¿ò¼Ü»ñÈ¡µ±Ç°ÓïÑÔµÄ×Ö·û´®
            g2d.drawString(parentFrame.getString("distance") + distance + "cm", 10, 40);
            g2d.drawString(parentFrame.getString("angle") + angle + "¡ã", 10, 70);
            g2d.setFont(normalFont);
            g2d.setColor(Color.BLUE);
            g2d.fillOval(bX - 5, bY - 5, 10, 10);
            
            // BµãÕýÉÏ·½ÏÔʾÉ豸±àºÅ
            g2d.setFont(titleFont);
            g2d.drawString(tagid, bX - g2d.getFontMetrics().stringWidth(tagid)/2, bY - 15);
            g2d.setFont(normalFont);
        }
        
        // ÏÔʾµ±Ç°Ëõ·Å±ÈÀý
        g2d.setColor(Color.DARK_GRAY);
        g2d.drawString(String.format("Ëõ·Å: %.1fx", scaleFactor), getWidth() - 80, 20);
    }

    public void updateLanguage() {
        setBorder(BorderFactory.createTitledBorder(parentFrame.getString("visualization")));
        // ÒƳý×Ö·û´®»º´æ£¬¸ÄΪÔÚpaintComponentÖÐʵʱ»ñÈ¡
        repaint();
    }
}