package baseStation;

import javax.swing.*;

import gecaoji.Device;
import publicway.buttonset;

import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Properties;

public class BaseStationDialog extends JDialog {
    private final Color THEME_COLOR;
    private final Device device;
    private final BaseStation baseStation;
    private JLabel deviceIdLabel;
    private JLabel statusLabel;
    private JLabel updateTimeLabel;
    private JLabel positionLabel;
    private JLabel simCardLabel;
    private Timer refreshTimer;

    public BaseStationDialog(Component parent, Color themeColor, Device device, BaseStation baseStation) {
        super(resolveOwner(parent), "基准站信息", Dialog.ModalityType.APPLICATION_MODAL);
        this.THEME_COLOR = themeColor;
        this.device = device;
        this.baseStation = baseStation != null ? baseStation : new BaseStation();
        this.baseStation.load();
        initializeDialog(400, 800);
        initializeBaseStationContent();
        startRefreshTimer();
        if (getOwner() == null) {
            setLocationRelativeTo(null);
        }
    }

    private static Window resolveOwner(Component parent) {
        if (parent instanceof Window) {
            return (Window) parent;
        }
        if (parent != null) {
            Window owner = SwingUtilities.getWindowAncestor(parent);
            if (owner != null) {
                return owner;
            }
        }
        return null;
    }
    
    private void initializeDialog(int width, int height) {
        setSize(width, height);
        setPreferredSize(new Dimension(width, height));
        setMinimumSize(new Dimension(width, height));
        setLocationRelativeTo(getParent());
        setResizable(false);
        getContentPane().setBackground(Color.WHITE);
    }
    
    private void initializeBaseStationContent() {
        JPanel contentPanel = new JPanel();
        contentPanel.setLayout(new BoxLayout(contentPanel, BoxLayout.Y_AXIS));
        contentPanel.setBorder(BorderFactory.createEmptyBorder(25, 10, 25, 25)); // 左边距改为10像素
        contentPanel.setBackground(Color.WHITE);
        
        JPanel deviceIdPanel = createHorizontalInfoPanel("基准站编号：", getDeviceIdDisplay(), Color.BLACK);
        contentPanel.add(deviceIdPanel);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 20)));

        // 状态信息
        JPanel statusPanel = createHorizontalInfoPanel("基准站状态：", getStatusText(), getStatusColor());
        contentPanel.add(statusPanel);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 20)));
        
        // 数据更新时间
        JPanel updateTimePanel = createHorizontalInfoPanel("数据更新时间：", getUpdateTimeDisplay(), Color.BLACK);
        contentPanel.add(updateTimePanel);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 20)));
        
        // 基准站位置
        JPanel positionPanel = createHorizontalInfoPanel("基准站位置：", getBaseStationPositionDisplay(), Color.BLACK);
        contentPanel.add(positionPanel);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 30)));

        JPanel simCardPanel = createHorizontalInfoPanel("基准站卡号：", getSimCardDisplay(), Color.BLACK);
        contentPanel.add(simCardPanel);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 20)));

        JPanel tutorialRow = createActionPanel("查看安装教程", "查看", new Color(70, 130, 180), e -> showInstallationTutorial());
        contentPanel.add(tutorialRow);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 12)));

        JPanel lockRow = createActionPanel("锁定基准站位置", "锁定", THEME_COLOR, e -> lockBaseStationPosition());
        contentPanel.add(lockRow);
        contentPanel.add(Box.createRigidArea(new Dimension(0, 30)));
        
        // 按钮面板
        contentPanel.add(Box.createVerticalGlue());
        
        getContentPane().add(contentPanel);
        refreshLabels();
    }
    
    private JPanel createHorizontalInfoPanel(String title, String value, Color valueColor) {
        JPanel panel = new JPanel();
        panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));
        panel.setBackground(Color.WHITE);
        panel.setAlignmentX(Component.LEFT_ALIGNMENT);
        panel.setMaximumSize(new Dimension(Integer.MAX_VALUE, 40));
        
        JLabel titleLabel = new JLabel(title);
        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 14));
        titleLabel.setForeground(Color.DARK_GRAY);
        titleLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
        
        // 创建值标签（不再使用文本框）
        JLabel valueLabel = new JLabel(value);
        valueLabel.setFont(new Font("微软雅黑", Font.PLAIN, 14));
        valueLabel.setForeground(valueColor);
        valueLabel.setBackground(Color.WHITE);
        valueLabel.setMaximumSize(new Dimension(Integer.MAX_VALUE, 30));
        
        // 根据字段类型保存引用
        if ("基准站编号：".equals(title)) {
            deviceIdLabel = valueLabel;
        } else if ("基准站状态：".equals(title)) {
            statusLabel = valueLabel;
        } else if ("数据更新时间：".equals(title)) {
            updateTimeLabel = valueLabel;
        } else if ("基准站位置：".equals(title)) {
            positionLabel = valueLabel;
            final Color clickableColor = THEME_COLOR != null ? THEME_COLOR : new Color(70, 130, 180);
            titleLabel.setForeground(clickableColor);
            titleLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
            titleLabel.setToolTipText("点击修改基准站位置");
            titleLabel.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseClicked(MouseEvent e) {
                    if (SwingUtilities.isLeftMouseButton(e) && e.getClickCount() == 1) {
                        promptEditBaseStationPosition();
                    }
                }

                @Override
                public void mouseEntered(MouseEvent e) {
                    titleLabel.setForeground(brightenColor(clickableColor));
                }

                @Override
                public void mouseExited(MouseEvent e) {
                    titleLabel.setForeground(clickableColor);
                }
            });
        } else if ("基准站卡号：".equals(title)) {
            simCardLabel = valueLabel;
        }
        
        // 修改布局：标题和值标签都左对齐，中间添加3像素间隔
        panel.add(titleLabel);
        panel.add(Box.createRigidArea(new Dimension(3, 0))); // 添加3像素间隔
        panel.add(valueLabel);
        
        return panel;
    }

    private void promptEditBaseStationPosition() {
        if (baseStation == null) {
            JOptionPane.showMessageDialog(this,
                    "基准站信息未初始化，无法修改位置。",
                    "错误",
                    JOptionPane.ERROR_MESSAGE);
            return;
        }

        baseStation.load();

        String currentRaw = baseStation.getInstallationCoordinates();
        String normalizedCurrent = canonicalizeCoordinateValue(currentRaw);
        boolean hasExistingCoordinate = normalizedCurrent != null && !"-1".equals(normalizedCurrent);

        JTextField inputField = new JTextField(hasExistingCoordinate ? normalizedCurrent : "");
        inputField.setColumns(28);

        JPanel dialogPanel = new JPanel(new BorderLayout(0, 8));
        JLabel hintLabel = new JLabel("请输入新的基准站坐标（示例：3949.90238860,N,11616.75692000,E）");
        hintLabel.setFont(new Font("微软雅黑", Font.PLAIN, 12));
        dialogPanel.add(hintLabel, BorderLayout.NORTH);
        dialogPanel.add(inputField, BorderLayout.CENTER);

        JOptionPane optionPane = new JOptionPane(dialogPanel,
            JOptionPane.PLAIN_MESSAGE,
            JOptionPane.OK_CANCEL_OPTION);
        JDialog dialog = optionPane.createDialog(this, "修改基准站位置");
        dialog.setModal(true);
        dialog.pack();

        Dimension packedSize = dialog.getSize();
        Window ownerWindow = getOwner();
        int referenceWidth = ownerWindow != null ? ownerWindow.getWidth() : getWidth();
        if (referenceWidth <= 0) {
            referenceWidth = 400;
        }
        dialog.setSize(new Dimension(referenceWidth, packedSize.height));
        dialog.setResizable(false);
        dialog.setLocationRelativeTo(this);
        dialog.setVisible(true);
        Object selectedValue = optionPane.getValue();
        if (!(selectedValue instanceof Integer) || ((Integer) selectedValue) != JOptionPane.OK_OPTION) {
            return;
        }

        String userInput = inputField.getText();
        if (userInput == null) {
            return;
        }

        String trimmed = userInput.trim();
        if (trimmed.isEmpty()) {
            int confirm = JOptionPane.showConfirmDialog(this,
                    "未输入坐标，保存后将视为未安装状态，是否继续？",
                    "确认",
                    JOptionPane.OK_CANCEL_OPTION,
                    JOptionPane.WARNING_MESSAGE);
            if (confirm != JOptionPane.OK_OPTION) {
                return;
            }
        }

        String valueToSave = trimmed.isEmpty() ? "-1" : canonicalizeCoordinateValue(trimmed);

        if (!"-1".equals(valueToSave) && !looksLikeCoordinateFormat(valueToSave)) {
            int confirm = JOptionPane.showConfirmDialog(this,
                    "坐标格式似乎不符合“纬度,方向,经度,方向”的预期，仍然保存吗？",
                    "格式确认",
                    JOptionPane.OK_CANCEL_OPTION,
                    JOptionPane.WARNING_MESSAGE);
            if (confirm != JOptionPane.OK_OPTION) {
                return;
            }
        }

        if (normalizedCurrent.equals(valueToSave)) {
            JOptionPane.showMessageDialog(this,
                    "基准站位置未发生变化。",
                    "提示",
                    JOptionPane.INFORMATION_MESSAGE);
            return;
        }

        baseStation.updateInstallationCoordinates(valueToSave);
        baseStation.load();

        if (device != null) {
            device.setBaseStationCoordinates(valueToSave);
            updatePropertiesFile("baseStationCoordinates", valueToSave);
        }

        refreshLabels();

        JOptionPane.showMessageDialog(this,
                "基准站位置已更新。",
                "更新成功",
                JOptionPane.INFORMATION_MESSAGE);
    }

    private boolean looksLikeCoordinateFormat(String value) {
        if (value == null) {
            return false;
        }
        String[] parts = value.split(",");
        if (parts.length != 4) {
            return false;
        }
        for (String part : parts) {
            if (part.trim().isEmpty()) {
                return false;
            }
        }
        return true;
    }
    
    private JPanel createActionPanel(String title, String buttonText, Color buttonColor, ActionListener actionListener) {
        JPanel panel = new JPanel();
        panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));
        panel.setBackground(Color.WHITE);
        panel.setAlignmentX(Component.LEFT_ALIGNMENT);
        panel.setMaximumSize(new Dimension(Integer.MAX_VALUE, 45));

        JLabel titleLabel = new JLabel(title);
        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 14));
        titleLabel.setForeground(Color.DARK_GRAY);

        JButton actionButton = buttonset.createStyledButton(buttonText, buttonColor);
        actionButton.addActionListener(actionListener);

        panel.add(titleLabel);
        panel.add(Box.createHorizontalGlue());
        panel.add(actionButton);

        return panel;
    }
    
    private Color brightenColor(Color color) {
        int r = Math.min(255, color.getRed() + 30);
        int g = Math.min(255, color.getGreen() + 30);
        int b = Math.min(255, color.getBlue() + 30);
        return new Color(r, g, b);
    }
    
    private void startRefreshTimer() {
        refreshTimer = new Timer(1000, e -> refreshLabels());
        refreshTimer.start();
    }

    private void refreshLabels() {
        if (baseStation != null) {
            baseStation.load();
        }

        if (deviceIdLabel != null) {
            deviceIdLabel.setText(getDeviceIdDisplay());
        }

        if (statusLabel != null) {
            statusLabel.setText(getStatusText());
            statusLabel.setForeground(getStatusColor());
        }

        if (updateTimeLabel != null) {
            updateTimeLabel.setText(getUpdateTimeDisplay());
        }

        if (positionLabel != null) {
            positionLabel.setText(getBaseStationPositionDisplay());
        }

        if (simCardLabel != null) {
            simCardLabel.setText(getSimCardDisplay());
        }
    }

    public void refreshData() {
        refreshLabels();
    }
    
    private String getDeviceIdDisplay() {
        if (baseStation == null) {
            return "未录入";
        }
        String deviceId = baseStation.getDeviceId();
        if (deviceId == null) {
            return "未录入";
        }
        String trimmed = deviceId.trim();
        if (trimmed.isEmpty() || "-1".equals(trimmed)) {
            return "未录入";
        }
        return trimmed;
    }

    private String getStatusText() {
        long updateMillis = getLastUpdateTimeMillis();
        if (updateMillis <= 0) {
            return "离线 ✗";
        }
        long diff = System.currentTimeMillis() - updateMillis;
        return diff < 10_000 ? "在线 ✓" : "离线 ✗";
    }
    
    private Color getStatusColor() {
        long updateMillis = getLastUpdateTimeMillis();
        if (updateMillis > 0 && System.currentTimeMillis() - updateMillis < 10_000) {
            return new Color(0, 150, 0);
        }
        return Color.GRAY;
    }
    
    private String getUpdateTimeDisplay() {
        long updateMillis = getLastUpdateTimeMillis();
        if (updateMillis <= 0) {
            return "初始化无数据";
        }
        try {
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            return sdf.format(new Date(updateMillis));
        } catch (Exception e) {
            return String.valueOf(updateMillis);
        }
    }
    
    private String getBaseStationPositionDisplay() {
        if (baseStation == null) {
            return "设备没有安装固定";
        }
        String coordinates = baseStation.getInstallationCoordinates();
        String canonical = canonicalizeCoordinateValue(coordinates);
        if (canonical == null || "-1".equals(canonical)) {
            return "设备没有安装固定";
        }
        return canonical;
    }

    private String getSimCardDisplay() {
        if (baseStation == null) {
            return "未绑定";
        }
        String number = baseStation.getIotSimCardNumber();
        if (number == null) {
            return "未绑定";
        }
        String trimmed = number.trim();
        if (trimmed.isEmpty() || "-1".equals(trimmed)) {
            return "未绑定";
        }
        return trimmed;
    }

    private long getLastUpdateTimeMillis() {
        if (baseStation == null) {
            return -1;
        }
        String updateTime = baseStation.getDataUpdateTime();
        if (updateTime == null) {
            return -1;
        }
        String trimmed = updateTime.trim();
        if (trimmed.isEmpty() || "-1".equals(trimmed)) {
            return -1;
        }
        try {
            long value = Long.parseLong(trimmed);
            if (value < 1_000_000_000_000L) {
                return value * 1000;
            }
            return value;
        } catch (NumberFormatException e) {
            return -1;
        }
    }

    private boolean hasBaseStationId() {
        if (baseStation == null) {
            return false;
        }
        String deviceId = baseStation.getDeviceId();
        if (deviceId == null) {
            return false;
        }
        String trimmed = deviceId.trim();
        return !trimmed.isEmpty() && !"-1".equals(trimmed);
    }
    
    // Normalizes coordinate strings into degree-minute format when possible for consistent display/storage
    private String canonicalizeCoordinateValue(String value) {
        if (value == null) {
            return "-1";
        }
        String trimmed = value.trim();
        if (trimmed.isEmpty() || "-1".equals(trimmed)) {
            return "-1";
        }
        String[] parts = trimmed.split(",");
        if (parts.length != 4) {
            return trimmed;
        }
        String latDirRaw = parts[1] == null ? "" : parts[1].trim();
        String lonDirRaw = parts[3] == null ? "" : parts[3].trim();
        if (latDirRaw.isEmpty() || lonDirRaw.isEmpty()) {
            return trimmed;
        }
        String latDir = latDirRaw.toUpperCase(Locale.ROOT);
        String lonDir = lonDirRaw.toUpperCase(Locale.ROOT);
        if (!isValidDirection(latDir, true) || !isValidDirection(lonDir, false)) {
            return trimmed;
        }
        String formattedLat = convertToDegreeMinuteString(parts[0], latDir, true);
        String formattedLon = convertToDegreeMinuteString(parts[2], lonDir, false);
        if (formattedLat == null || formattedLon == null) {
            return trimmed;
        }
        return formattedLat + "," + latDir + "," + formattedLon + "," + lonDir;
    }

    private boolean isValidDirection(String direction, boolean isLatitude) {
        if (direction == null) {
            return false;
        }
        if (isLatitude) {
            return "N".equals(direction) || "S".equals(direction);
        }
        return "E".equals(direction) || "W".equals(direction);
    }

    // Converts decimal degrees or degree-minute input into a canonical degree-minute string (8 decimal places)
    private String convertToDegreeMinuteString(String rawValue, String direction, boolean isLatitude) {
        double decimal = parseCoordinateToDecimalDegrees(rawValue, direction, isLatitude);
        if (!Double.isFinite(decimal)) {
            return null;
        }
        double absDecimal = Math.abs(decimal);
        int degrees = (int) Math.floor(absDecimal);
        double minutes = (absDecimal - degrees) * 60.0d;
        double degreeMinutes = degrees * 100.0d + minutes;
        return String.format(Locale.US, "%.8f", degreeMinutes);
    }

    private double parseCoordinateToDecimalDegrees(String rawValue, String direction, boolean isLatitude) {
        if (rawValue == null) {
            return Double.NaN;
        }
        String trimmed = rawValue.trim();
        if (trimmed.isEmpty()) {
            return Double.NaN;
        }
        double numeric;
        try {
            numeric = Double.parseDouble(trimmed);
        } catch (NumberFormatException ex) {
            return Double.NaN;
        }

        double abs = Math.abs(numeric);
        double boundary = isLatitude ? 90d : 180d;
        double decimal;
        if (abs <= boundary) {
            decimal = abs;
        } else {
            double degrees = Math.floor(abs / 100d);
            double minutes = abs - degrees * 100d;
            decimal = degrees + minutes / 60d;
        }

        String dirUpper = direction == null ? "" : direction.trim().toUpperCase(Locale.ROOT);
        if ("S".equals(dirUpper) || "W".equals(dirUpper)) {
            decimal = -decimal;
        } else if (!"N".equals(dirUpper) && !"E".equals(dirUpper) && numeric < 0d) {
            decimal = -decimal;
        }
        return decimal;
    }
    
    private void lockBaseStationPosition() {
        // 显示警告确认对话框
        int result = JOptionPane.showConfirmDialog(
            this,
            "<html><body style='width: 250px;'>" +
            "<b>基准站位置锁定确认</b><br>" +
            "基准站位置在使用过程中禁止移动！<br>" +
            "如果移动将会导致：<br>" +
            "所有之前绘制的割草路径无效<br>" +            
            "安装要求：<br>" +
            "安装在空旷位置<br>" +
            "保证良好的卫星信号接收<br>" +
            "确定要锁定基准站位置吗？" +
            "</body></html>",
            "锁定基准站位置",
            JOptionPane.OK_CANCEL_OPTION,
            JOptionPane.WARNING_MESSAGE
        );
        
        if (result == JOptionPane.OK_OPTION) {
            // 模拟发送数据给基准站
            JOptionPane.showMessageDialog(this, 
                "已发送锁定指令到基准站\n基准站位置已固定",
                "操作成功",
                JOptionPane.INFORMATION_MESSAGE);
            
            // 更新基准站位置（这里使用模拟数据，实际应从GPS获取）
            String newPosition = canonicalizeCoordinateValue("2324.194945,N,11330.938547,E");
            String timestamp = String.valueOf(System.currentTimeMillis());

            if (!hasBaseStationId()) {
                JOptionPane.showMessageDialog(this,
                        "请先录入基准站编号。",
                        "提示",
                        JOptionPane.WARNING_MESSAGE);
                return;
            }

            if (baseStation != null) {
                try {
                    baseStation.updateByDeviceId(baseStation.getDeviceId(),
                            newPosition,
                            baseStation.getIotSimCardNumber(),
                            baseStation.getDeviceActivationTime(),
                            timestamp);
                } catch (IllegalArgumentException ex) {
                    JOptionPane.showMessageDialog(this,
                            ex.getMessage(),
                            "错误",
                            JOptionPane.ERROR_MESSAGE);
                    return;
                }
            }
            
            if (device != null) {
                // 更新Device对象中的属性
                device.setBaseStationCoordinates(newPosition);
                device.setBupdateTime(timestamp);
                
                // 更新properties文件
                updatePropertiesFile("baseStationCoordinates", newPosition);
                updatePropertiesFile("BupdateTime", timestamp);
            }

            refreshLabels();
        }
    }
    
    private void showInstallationTutorial() {
        File videoFile = new File("base.mp4");
        if (videoFile.exists()) {
            try {
                // 使用系统默认程序打开视频文件
                Desktop.getDesktop().open(videoFile);
                JOptionPane.showMessageDialog(this, 
                    "正在打开安装教程视频...\n如果视频没有自动播放，请手动打开文件：\n" + videoFile.getAbsolutePath(),
                    "打开教程",
                    JOptionPane.INFORMATION_MESSAGE);
            } catch (IOException e) {
                JOptionPane.showMessageDialog(this, 
                    "无法打开教程视频文件: " + e.getMessage(), 
                    "错误", 
                    JOptionPane.ERROR_MESSAGE);
            } catch (UnsupportedOperationException e) {
                JOptionPane.showMessageDialog(this, 
                    "系统不支持直接打开视频文件，请手动打开: " + videoFile.getAbsolutePath(), 
                    "提示", 
                    JOptionPane.INFORMATION_MESSAGE);
            }
        } else {
            JOptionPane.showMessageDialog(this, 
                "<html>教程视频文件不存在：<br>" + videoFile.getAbsolutePath() + "<br><br>" +
                "请确保base.mp4文件位于应用程序根目录。</html>", 
                "文件未找到", 
                JOptionPane.ERROR_MESSAGE);
        }
    }
    
    private void updatePropertiesFile(String key, String value) {
        Properties properties = new Properties();
        try {
            // 加载现有属性
            java.io.FileInputStream input = new java.io.FileInputStream("device.properties");
            properties.load(input);
            input.close();
            
            // 更新指定属性
            properties.setProperty(key, value);
            
            // 保存回文件
            FileOutputStream output = new FileOutputStream("device.properties");
            properties.store(output, "Updated base station information");
            output.close();
            
        } catch (IOException e) {
            System.err.println("更新device.properties文件失败: " + e.getMessage());
            JOptionPane.showMessageDialog(this, 
                "更新配置文件失败: " + e.getMessage(), 
                "错误", 
                JOptionPane.ERROR_MESSAGE);
        }
    }
    
    @Override
    public void dispose() {
        // 停止定时器
        if (refreshTimer != null && refreshTimer.isRunning()) {
            refreshTimer.stop();
        }
        super.dispose();
    }
}