package com.mes.print;

import com.mes.print.model.FlowCardData;
import com.mes.print.template.FlowCardRenderer;

import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;

/**
 * 流转卡坐标调整工具
 * 可视化调整二维码和文字位置（支持项目号、钢印码、客户码）
 */
public class CoordinateAdjustTool extends JFrame {

    // 当前坐标（初始值从 FlowCardRenderer 获取）
    private float qrX = 194.5f;
    private float qrY = 65.4f - 16.0f;  // 已上移
    private float qrW = 35.7f;
    private float qrH = 34.6f;

    private float projTextX = 291.5f;
    private float projTextY = 75.0f - 16.0f;  // 项目号
    private float steelTextX = 291.5f;
    private float steelTextY = 85.5f - 16.0f;  // 钢印码
    private float snTextX = 291.5f;
    private float snTextY = 96.4f - 16.0f;     // 客户码

    private JLabel previewLabel;
    private FlowCardData testData;

    // 拖拽相关
    private boolean draggingQr = false;
    private Point dragStart = null;

    public CoordinateAdjustTool() {
        setTitle("流转卡坐标调整工具 - OP170");
        setSize(1200, 900);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new BorderLayout(10, 10));

        // 测试数据
        testData = new FlowCardData();
        testData.setSn("+KB60IS3031T729002101");
        testData.setSteelSn("T09260729002");

        // 左侧：预览区域
        previewLabel = new JLabel();
        previewLabel.setHorizontalAlignment(JLabel.CENTER);

        // 添加鼠标拖拽监听
        previewLabel.addMouseListener(new java.awt.event.MouseAdapter() {
            @Override
            public void mousePressed(java.awt.event.MouseEvent e) {
                handleMousePressed(e);
            }
            @Override
            public void mouseReleased(java.awt.event.MouseEvent e) {
                draggingQr = false;
                dragStart = null;
            }
        });
        previewLabel.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
            @Override
            public void mouseDragged(java.awt.event.MouseEvent e) {
                handleMouseDragged(e);
            }
        });

        JScrollPane scrollPane = new JScrollPane(previewLabel);
        add(scrollPane, BorderLayout.CENTER);

        // 右侧：控制面板
        JPanel controlPanel = new JPanel();
        controlPanel.setLayout(new BoxLayout(controlPanel, BoxLayout.Y_AXIS));
        controlPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

        // 输入框区域
        controlPanel.add(createLabel("=== 测试数据 ==="));
        JTextField snField = new JTextField(testData.getSn(), 20);
        JTextField steelSnField = new JTextField(testData.getSteelSn(), 15);
        JPanel inputPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
        inputPanel.add(new JLabel("客户码:"));
        inputPanel.add(snField);
        controlPanel.add(inputPanel);
        JPanel inputPanel2 = new JPanel(new FlowLayout(FlowLayout.LEFT));
        inputPanel2.add(new JLabel("钢印码:"));
        inputPanel2.add(steelSnField);
        controlPanel.add(inputPanel2);

        // 项目号显示
        JLabel projLabel = new JLabel("项目号: " + testData.getProdCode());
        projLabel.setFont(new Font("Microsoft YaHei UI", Font.BOLD, 12));
        projLabel.setForeground(new Color(0, 100, 0));
        controlPanel.add(projLabel);

        JButton updateBtn = new JButton("更新预览");
        updateBtn.addActionListener(e -> {
            testData.setSn(snField.getText());
            testData.setSteelSn(steelSnField.getText());
            projLabel.setText("项目号: " + testData.getProdCode());
            updatePreview();
        });
        controlPanel.add(updateBtn);
        controlPanel.add(Box.createVerticalStrut(20));

        // 二维码坐标控制
        controlPanel.add(createLabel("=== 二维码位置 ==="));
        JTextField qrXField = new JTextField(String.format("%.1f", qrX), 8);
        JTextField qrYField = new JTextField(String.format("%.1f", qrY), 8);

        controlPanel.add(createCoordinatePanel("X", qrXField, qrX, 100f, 300f, v -> {
            qrX = v;
            qrXField.setText(String.format("%.1f", v));
            updatePreview();
        }));

        controlPanel.add(createCoordinatePanel("Y", qrYField, qrY, 30f, 150f, v -> {
            qrY = v;
            qrYField.setText(String.format("%.1f", v));
            updatePreview();
        }));
        controlPanel.add(Box.createVerticalStrut(20));

        // 项目号坐标控制
        controlPanel.add(createLabel("=== 项目号位置 ==="));
        JTextField projXField = new JTextField(String.format("%.1f", projTextX), 8);
        JTextField projYField = new JTextField(String.format("%.1f", projTextY), 8);

        controlPanel.add(createCoordinatePanel("X", projXField, projTextX, 200f, 400f, v -> {
            projTextX = v;
            projXField.setText(String.format("%.1f", v));
            updatePreview();
        }));

        controlPanel.add(createCoordinatePanel("Y", projYField, projTextY, 50f, 150f, v -> {
            projTextY = v;
            projYField.setText(String.format("%.1f", v));
            updatePreview();
        }));
        controlPanel.add(Box.createVerticalStrut(20));

        // 钢印码坐标控制
        controlPanel.add(createLabel("=== 钢印码位置 ==="));
        JTextField steelXField = new JTextField(String.format("%.1f", steelTextX), 8);
        JTextField steelYField = new JTextField(String.format("%.1f", steelTextY), 8);

        controlPanel.add(createCoordinatePanel("X", steelXField, steelTextX, 200f, 400f, v -> {
            steelTextX = v;
            steelXField.setText(String.format("%.1f", v));
            updatePreview();
        }));

        controlPanel.add(createCoordinatePanel("Y", steelYField, steelTextY, 50f, 150f, v -> {
            steelTextY = v;
            steelYField.setText(String.format("%.1f", v));
            updatePreview();
        }));
        controlPanel.add(Box.createVerticalStrut(20));

        // 客户码坐标控制
        controlPanel.add(createLabel("=== 客户码位置 ==="));
        JTextField snXField = new JTextField(String.format("%.1f", snTextX), 8);
        JTextField snYField = new JTextField(String.format("%.1f", snTextY), 8);

        controlPanel.add(createCoordinatePanel("X", snXField, snTextX, 200f, 400f, v -> {
            snTextX = v;
            snXField.setText(String.format("%.1f", v));
            updatePreview();
        }));

        controlPanel.add(createCoordinatePanel("Y", snYField, snTextY, 50f, 150f, v -> {
            snTextY = v;
            snYField.setText(String.format("%.1f", v));
            updatePreview();
        }));
        controlPanel.add(Box.createVerticalStrut(20));

        // 按钮
        JButton exportBtn = new JButton("生成代码");
        exportBtn.setFont(new Font("Microsoft YaHei UI", Font.BOLD, 14));
        exportBtn.addActionListener(e -> exportCode());
        controlPanel.add(exportBtn);

        JButton previewPdfBtn = new JButton("预览 PDF");
        previewPdfBtn.setFont(new Font("Microsoft YaHei UI", Font.BOLD, 14));
        previewPdfBtn.addActionListener(e -> previewPdf());
        controlPanel.add(previewPdfBtn);

        add(controlPanel, BorderLayout.EAST);

        // 初始预览
        updatePreview();
    }

    private void handleMousePressed(java.awt.event.MouseEvent e) {
        if (previewLabel.getIcon() == null) return;

        ImageIcon icon = (ImageIcon) previewLabel.getIcon();
        int imgW = icon.getIconWidth();
        int imgH = icon.getIconHeight();
        int labelW = previewLabel.getWidth();
        int labelH = previewLabel.getHeight();

        int offsetX = (labelW - imgW) / 2;
        int offsetY = (labelH - imgH) / 2;

        int clickX = e.getX() - offsetX;
        int clickY = e.getY() - offsetY;

        if (clickX < 0 || clickX >= imgW || clickY < 0 || clickY >= imgH) return;

        double scale = 300.0 / 72.0;
        int qrImgX = (int) (qrX * scale);
        int qrImgY = (int) (qrY * scale);
        int qrImgW = (int) (qrW * scale);
        int qrImgH = (int) (qrH * scale);

        if (clickX >= qrImgX && clickX <= qrImgX + qrImgW &&
            clickY >= qrImgY && clickY <= qrImgY + qrImgH) {
            draggingQr = true;
            dragStart = new Point(clickX, clickY);
        }
    }

    private void handleMouseDragged(java.awt.event.MouseEvent e) {
        if (!draggingQr || dragStart == null) return;

        if (previewLabel.getIcon() == null) return;

        ImageIcon icon = (ImageIcon) previewLabel.getIcon();
        int imgW = icon.getIconWidth();
        int imgH = icon.getIconHeight();
        int labelW = previewLabel.getWidth();
        int labelH = previewLabel.getHeight();

        int offsetX = (labelW - imgW) / 2;
        int offsetY = (labelH - imgH) / 2;

        int currentX = e.getX() - offsetX;
        int currentY = e.getY() - offsetY;

        int deltaX = currentX - dragStart.x;
        int deltaY = currentY - dragStart.y;

        double scale = 300.0 / 72.0;
        float pdfDeltaX = (float) (deltaX / scale);
        float pdfDeltaY = (float) (deltaY / scale);

        qrX += pdfDeltaX;
        qrY += pdfDeltaY;

        dragStart = new Point(currentX, currentY);

        updatePreview();
    }

    private JLabel createLabel(String text) {
        JLabel label = new JLabel(text);
        label.setFont(new Font("Microsoft YaHei UI", Font.BOLD, 14));
        return label;
    }

    private JPanel createCoordinatePanel(String label, JTextField field, float initValue, float min, float max, ValueChangeListener listener) {
        JPanel panel = new JPanel(new BorderLayout(5, 5));

        JLabel nameLabel = new JLabel(label);
        nameLabel.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 12));

        JLabel valueLabel = new JLabel(String.format("%.1f", initValue));
        valueLabel.setFont(new Font("Consolas", Font.PLAIN, 12));
        valueLabel.setPreferredSize(new Dimension(50, 20));

        JSlider slider = new JSlider(JSlider.HORIZONTAL, (int)(min * 10), (int)(max * 10), (int)(initValue * 10));
        slider.addChangeListener(e -> {
            float value = slider.getValue() / 10.0f;
            valueLabel.setText(String.format("%.1f", value));
            listener.onValueChange(value);
        });

        field.addActionListener(e -> {
            try {
                float value = Float.parseFloat(field.getText());
                slider.setValue((int)(value * 10));
                listener.onValueChange(value);
            } catch (NumberFormatException ex) {
                field.setText(String.format("%.1f", initValue));
            }
        });

        JPanel topPanel = new JPanel(new BorderLayout());
        topPanel.add(nameLabel, BorderLayout.WEST);
        topPanel.add(field, BorderLayout.CENTER);
        topPanel.add(valueLabel, BorderLayout.EAST);

        panel.add(topPanel, BorderLayout.NORTH);
        panel.add(slider, BorderLayout.CENTER);

        return panel;
    }

    private void updatePreview() {
        try {
            BufferedImage preview = createPreviewImage();
            ImageIcon icon = new ImageIcon(preview);
            previewLabel.setIcon(icon);
        } catch (Exception e) {
            e.printStackTrace();
            JOptionPane.showMessageDialog(this, "预览失败: " + e.getMessage());
        }
    }

    private BufferedImage createPreviewImage() throws Exception {
        BufferedImage templateBg = FlowCardRenderer.getTemplateImage();

        BufferedImage img = new BufferedImage(templateBg.getWidth(), templateBg.getHeight(), BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = img.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

        g2.drawImage(templateBg, 0, 0, null);

        double scale = 300.0 / 72.0;

        // 绘制二维码
        try {
            BufferedImage qrCode = FlowCardRenderer.generateQrCode(testData.getSn(), 600);
            int imgQrX = (int)(qrX * scale);
            int imgQrY = (int)(qrY * scale);
            int imgQrW = (int)(qrW * scale);
            int imgQrH = (int)(qrH * scale);
            g2.drawImage(qrCode, imgQrX, imgQrY, imgQrW, imgQrH, null);
        } catch (Exception e) {
            e.printStackTrace();
        }

        g2.setColor(Color.BLACK);
        g2.setFont(new Font("SimSun", Font.BOLD, (int)(8 * scale)));

        // 绘制项目号（蓝色）
        String projCode = testData.getProdCode();
        if (projCode != null && !projCode.isEmpty()) {
            int imgProjX = (int)(projTextX * scale);
            int imgProjY = (int)(projTextY * scale);
            g2.setColor(new Color(0, 0, 200));
            g2.drawString(projCode, imgProjX, imgProjY);
            // 蓝色十字标记
            g2.setStroke(new BasicStroke(2));
            g2.drawLine(imgProjX - 20, imgProjY, imgProjX + 20, imgProjY);
            g2.drawLine(imgProjX, imgProjY - 20, imgProjX, imgProjY + 20);
        }

        // 绘制钢印码（红色）
        int imgSteelX = (int)(steelTextX * scale);
        int imgSteelY = (int)(steelTextY * scale);
        if (testData.getSteelSn() != null) {
            g2.setColor(Color.BLACK);
            g2.drawString(testData.getSteelSn(), imgSteelX, imgSteelY);
        }
        g2.setColor(Color.RED);
        g2.setStroke(new BasicStroke(2));
        g2.drawLine(imgSteelX - 20, imgSteelY, imgSteelX + 20, imgSteelY);
        g2.drawLine(imgSteelX, imgSteelY - 20, imgSteelX, imgSteelY + 20);

        // 绘制客户码（绿色）
        int imgSnX = (int)(snTextX * scale);
        int imgSnY = (int)(snTextY * scale);
        if (testData.getSn() != null) {
            g2.setColor(Color.BLACK);
            g2.drawString(testData.getSn(), imgSnX, imgSnY);
        }
        g2.setColor(Color.GREEN.darker());
        g2.setStroke(new BasicStroke(2));
        g2.drawLine(imgSnX - 20, imgSnY, imgSnX + 20, imgSnY);
        g2.drawLine(imgSnX, imgSnY - 20, imgSnX, imgSnY + 20);

        // 显示当前坐标
        g2.setColor(Color.BLACK);
        g2.setFont(new Font("Consolas", Font.BOLD, 24));
        g2.drawString(String.format("QR: (%.1f, %.1f)", qrX, qrY), 20, 50);
        g2.drawString(String.format("项目: (%.1f, %.1f)", projTextX, projTextY), 20, 90);
        g2.drawString(String.format("钢印: (%.1f, %.1f)", steelTextX, steelTextY), 20, 130);
        g2.drawString(String.format("客户: (%.1f, %.1f)", snTextX, snTextY), 20, 170);

        g2.dispose();
        return img;
    }

    private void exportCode() {
        String code = String.format(
            "// 坐标配置（复制到 FlowCardRenderer.java 中）\n" +
            "private static final float QR_X = %.1ff;\n" +
            "private static final float QR_Y = %.1ff;\n" +
            "private static final float QR_W = %.1ff;\n" +
            "private static final float QR_H = %.1ff;\n\n" +
            "private static final float PROJ_TEXT_X = %.1ff;\n" +
            "private static final float PROJ_TEXT_Y = %.1ff;\n" +
            "private static final float STEEL_TEXT_X = %.1ff;\n" +
            "private static final float STEEL_TEXT_Y = %.1ff;\n" +
            "private static final float SN_TEXT_X = %.1ff;\n" +
            "private static final float SN_TEXT_Y = %.1ff;\n",
            qrX, qrY, qrW, qrH,
            projTextX, projTextY, steelTextX, steelTextY, snTextX, snTextY
        );

        JTextArea textArea = new JTextArea(code, 15, 50);
        textArea.setFont(new Font("Consolas", Font.PLAIN, 12));
        textArea.setEditable(false);
        JOptionPane.showMessageDialog(this, new JScrollPane(textArea), "生成的代码", JOptionPane.INFORMATION_MESSAGE);
    }

    private void previewPdf() {
        try {
            FlowCardRenderer.preview(testData);
            JOptionPane.showMessageDialog(this, "PDF 预览已打开");
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "预览失败: " + e.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
        }
    }

    interface ValueChangeListener {
        void onValueChange(float value);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            CoordinateAdjustTool tool = new CoordinateAdjustTool();
            tool.setVisible(true);
        });
    }
}