package com.xujie.sys.common.utils;

import lombok.Setter;
import org.apache.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.*;

import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ExcelTemplateALPHA {

    final private static Pattern PATTERN_HDR_FIELD = Pattern.compile("\\$\\{(.*?)}", Pattern.MULTILINE);
    final private static Pattern PATTERN_DTL_FIELD = Pattern.compile("#\\{(.*?)}", Pattern.MULTILINE);

    private XSSFWorkbook workbook;
    private Map<String, Object> variables = new HashMap<>();
    private List<Map<String, Object>> listVariables = new ArrayList<>();
    // 存储需要合并的单元格区域信息：[列表起始索引, 列表结束索引, 列索引]
    private List<int[]> mergeRegions = new ArrayList<>();
    // 存储需要设置行高的行信息：[起始行索引, 结束行索引, 行高]
    private List<int[]> rowHeights = new ArrayList<>();
    // 是否下移形状格式
    @Setter
    private boolean moveShape = false;
    // 是否下移印章（印章是图片）
    @Setter
    private boolean moveSeal = false;
    // 是否设置单元格样式
    @Setter
    private boolean cellStyle = false;
    // 是否设置单元格样式 针对RFID不需要序号定制
    @Setter
    private boolean cellStyle2 = false;
    // 是否设置合并单元格样式
    @Setter
    private boolean rangeStyle = false;
    // 价格靠右 发票
    @Setter
    private boolean priceRight = false;
    // 价格靠右 发票
    @Setter
    private boolean invoiceLie = false;
    // 发票价格列是否使用固定小数位（单价5位、总价2位）
    @Setter
    private boolean fixedInvoicePriceScale = false;
    // 报关单价格列是否固定两位小数（净重/单价/总价）
    @Setter
    private boolean fixedDeclarationPriceScale = false;
    // 数字靠右 箱单
    @Setter
    private boolean intRight = false;
    // 报关单
    @Setter
    private boolean delRight = false;
    // 箱单
    @Setter
    private boolean boxFlag = false;

    private ExcelTemplateALPHA(){}

    public static ExcelTemplateALPHA load(InputStream template) throws IOException {
        ExcelTemplateALPHA excelTemplate = new ExcelTemplateALPHA();
        excelTemplate.workbook = new XSSFWorkbook(template);
        return excelTemplate;
    }

    public void addVar(String key, Object value){
        variables.put(key, value);
    }

    public void addVarAll(Map values){
        variables.putAll(values);
    }

    public void addListVar(Map<String, Object> row){
        listVariables.add(row);
    }

    public void addListVarAll(Collection rows){
        listVariables.addAll(rows);
    }

    /**
     * 添加需要合并的单元格区域（基于列表索引）
     * @param startListIndex 列表起始索引（相对于listVariables）
     * @param endListIndex 列表结束索引（相对于listVariables）
     * @param colIndex 列索引
     */
    public void addMergeRegion(int startListIndex, int endListIndex, int colIndex) {
        if (startListIndex <= endListIndex) {
            mergeRegions.add(new int[]{startListIndex, endListIndex, colIndex, colIndex, 0}); // 格式：[startRow, endRow, startCol, endCol, alignType]
        }
    }

    /**
     * 添加合并区域，并指定对齐方式
     * @param startListIndex 起始行索引
     * @param endListIndex 结束行索引
     * @param colIndex 列索引
     * @param alignType 对齐方式：0=右对齐，1=左对齐，2=居中
     */
    public void addMergeRegion(int startListIndex, int endListIndex, int colIndex, int alignType) {
        if (startListIndex <= endListIndex) {
            mergeRegions.add(new int[]{startListIndex, endListIndex, colIndex, colIndex, alignType});
        }
    }

    /**
     * 添加跨列的合并区域（支持横向和纵向同时合并）
     * @param startListIndex 起始行索引
     * @param endListIndex 结束行索引
     * @param startColIndex 起始列索引
     * @param endColIndex 结束列索引
     * @param alignType 对齐方式：0=右对齐，1=左对齐，2=居中
     */
    public void addMergeRegion(int startListIndex, int endListIndex, int startColIndex, int endColIndex, int alignType) {
        if (startListIndex <= endListIndex && startColIndex <= endColIndex) {
            mergeRegions.add(new int[]{startListIndex, endListIndex, startColIndex, endColIndex, alignType});
        }
    }

    /**
     * 设置行高
     * @param startListIndex 起始行索引（相对于listVariables）
     * @param endListIndex 结束行索引（相对于listVariables）
     * @param height 行高（单位：点）
     */
    public void setRowHeight(int startListIndex, int endListIndex, int height) {
        if (startListIndex <= endListIndex) {
            rowHeights.add(new int[]{startListIndex, endListIndex, height});
        }
    }

    public void clearAll(){
        variables.clear();
        listVariables.clear();
        mergeRegions.clear();
        rowHeights.clear();
        moveShape = false;
        moveSeal = false;
        cellStyle = false;
        cellStyle2 = false;
        rangeStyle = false;
        priceRight = false;
        fixedInvoicePriceScale = false;
        fixedDeclarationPriceScale = false;
        intRight = false;
        delRight = false;
    }
    private void applyMultilineStyleIfNeeded(XSSFCell cell, String content) {
        if (cell == null || content == null || !content.contains("\n")) {
            return;
        }

        XSSFCellStyle baseStyle = cell.getCellStyle();
        XSSFCellStyle multilineStyle = workbook.createCellStyle();
        if (baseStyle != null) {
            multilineStyle.cloneStyleFrom(baseStyle);
        }
        multilineStyle.setWrapText(true);
        multilineStyle.setVerticalAlignment(VerticalAlignment.TOP);
        cell.setCellStyle(multilineStyle);

        XSSFRow row = cell.getRow();
        if (row == null) {
            return;
        }

        int lineCount = content.split("\n", -1).length;
        if (lineCount <= 1) {
            return;
        }

        float defaultRowHeight = row.getSheet().getDefaultRowHeightInPoints();
        float currentRowHeight = row.getHeightInPoints();
        float targetHeight = Math.max(currentRowHeight, defaultRowHeight * lineCount);
        if (targetHeight > currentRowHeight) {
            row.setHeightInPoints(targetHeight);
        }
    }
    private boolean findAndRemoveMergedRegion(XSSFSheet sheet, int rowIndex) {
        for (int mi = 0; mi < sheet.getMergedRegions().size(); mi++) {
            if (sheet.getMergedRegions().get(mi).getFirstRow() == rowIndex) {
                sheet.removeMergedRegion(mi);
                return true;
            }
        }
        return false;
    }

    public XSSFWorkbook render(int index) throws IOException {
        XSSFSheet sheet = workbook.getSheetAt(index);
        CellCopyPolicy copyPolicy = new CellCopyPolicy();
        int dtlRowIndex = -1;
        // find detail rows
        for (int i = 0; i < sheet.getLastRowNum(); i++) {
            XSSFRow row = sheet.getRow(i);
            if (row == null) {
                continue;
            }
            for (int j = 0; j < row.getLastCellNum(); j++) {
                XSSFCell c = sheet.getRow(i).getCell(j);
                if (c == null) {
                    continue;
                }
                String cellValue = c.toString();
                Matcher matcherDtl = PATTERN_DTL_FIELD.matcher(cellValue);
                if (matcherDtl.find()) {
                    dtlRowIndex = i;
                    break;
                }
            }
            if (dtlRowIndex >= 0) {
                break;
            }
        }
        if (dtlRowIndex < sheet.getLastRowNum() && listVariables.size() > 1) {
            //循环列表以下区域整体下移
            int _rows = sheet.getLastRowNum();
            for(int i = _rows; i > dtlRowIndex; i--){
                sheet.copyRows(i, i, i + listVariables.size() -1 , copyPolicy);
            }
            for(int i = 0; i < listVariables.size() - 1; i++) {
                int destRowIndex = dtlRowIndex + 1 + i;
                sheet.createRow(destRowIndex);   //clear destination row
                while(findAndRemoveMergedRegion(sheet, destRowIndex)){
                    continue;
                }
                sheet.copyRows(dtlRowIndex, dtlRowIndex, destRowIndex, copyPolicy);
            }
        }
        // 遍历所有形状 将列表下方的形状坐标也下移
        if (moveShape) {
            int listStartRow = 24; // Excel 第25行（0-based）
            int moveOffset = listVariables.size() - 1;

            for (POIXMLDocumentPart part : sheet.getRelations()) {
                if (!(part instanceof XSSFDrawing)) {
                    continue;
                }

                XSSFDrawing drawing = (XSSFDrawing) part;
                for (XSSFShape shape : drawing.getShapes()) {
                    if (!(shape instanceof XSSFSimpleShape)) {
                        continue;
                    }

                    XSSFSimpleShape simpleShape = (XSSFSimpleShape) shape;
                    ClientAnchor anchor = (ClientAnchor) simpleShape.getAnchor();

                    if (anchor != null && anchor.getRow1() >= listStartRow) {
                        anchor.setRow1(anchor.getRow1() + moveOffset);
                        if (anchor instanceof XSSFClientAnchor) {
                            XSSFClientAnchor xAnchor = (XSSFClientAnchor) anchor;
                            try {
                                xAnchor.setRow2(xAnchor.getRow2() + moveOffset);
                            } catch (Exception ignore) {
                                // row2 不存在，忽略
                            }
                        }
                    }
                }
            }
        }



        // 遍历所有图片 将列表下方的形状坐标也下移
        if (moveSeal) {
            List<POIXMLDocumentPart> relations = sheet.getRelations();
            for (POIXMLDocumentPart part : relations) {
                if (part instanceof XSSFDrawing) {
                    XSSFDrawing drawing = (XSSFDrawing) part;
                    List<XSSFShape> shapes = drawing.getShapes();
                    for (XSSFShape shape : shapes) {
                        // 只处理图片类型的形状
                        if (shape instanceof XSSFPicture) {
                            XSSFPicture picture = (XSSFPicture) shape;
                            // 调整行坐标实现下移
                            ClientAnchor anchor = (ClientAnchor) picture.getAnchor();
                            if (anchor.getRow1() > 10) { // 只下移位于10行之后的图片
                                anchor.setRow1(anchor.getRow1() + listVariables.size() - 1);
                                anchor.setRow2(anchor.getRow2() + listVariables.size() - 1);
                            }

                        }
                    }
                }
            }
        }

        Set<Integer> dtlRows = new LinkedHashSet<>();
        List<Integer> boxRows = new ArrayList<>();
        Set<Integer> poNoCols = new HashSet<>();
        Set<Integer> invoiceUnitPriceCols = new HashSet<>();
        Set<Integer> invoiceTotalPriceCols = new HashSet<>();
        Set<Integer> declarationFixedPriceCols = new HashSet<>();
        Set<Integer> declarationQtyCols = new HashSet<>();
        //整体填值
        for (int i = 0; i <= sheet.getLastRowNum(); i++) {
            XSSFRow row = sheet.getRow(i);
            if (row == null) {
                continue;
            }
            for (int j = 0; j < row.getLastCellNum(); j++) {
                XSSFCell c = sheet.getRow(i).getCell(j);
                if (c == null) {
                    continue;
                }

                String cellValue = c.toString();
                if ("#{pn}".equals(cellValue) || "#{levy}".equals(cellValue) || "#{artNo}".equals(cellValue)) {
                    dtlRows.add(i);
                }
                if ("#{cmcInvoice}".equals(cellValue)) {
                    boxRows.add(i);
                }
                // 仅记录明细模板行上的po_no列，避免同名占位符误伤其它数字列
                if (i == dtlRowIndex && "#{po_no}".equalsIgnoreCase(cellValue)) {
                    poNoCols.add(j);
                }
                if (i == dtlRowIndex) {
                    Matcher matcherDtlField = PATTERN_DTL_FIELD.matcher(cellValue);
                    while (matcherDtlField.find()) {
                        String dtlField = matcherDtlField.group(1);
                        if (isInvoiceUnitPriceField(dtlField)) {
                            invoiceUnitPriceCols.add(j);
                        } else if (isInvoiceTotalPriceField(dtlField)) {
                            invoiceTotalPriceCols.add(j);
                        } else if (isDeclarationFixedPriceField(dtlField)) {
                            declarationFixedPriceCols.add(j);
                        } else if (isDeclarationQtyField(dtlField)) {
                            declarationQtyCols.add(j);
                        }
                    }
                }
                Matcher matcherHdr = PATTERN_HDR_FIELD.matcher(cellValue);
                String result = c.getStringCellValue();
                boolean hasHeaderPlaceholder = false;
                while (matcherHdr.find()) {
                    hasHeaderPlaceholder = true;
                    for (int ri = 1; ri <= matcherHdr.groupCount(); ri++) {
                        String field = matcherHdr.group(ri);
                        Object value = variables.getOrDefault(field, "");
                        result = result.replace(matcherHdr.group(0), String.valueOf(value));
                    }
                    boolean isVoyageCell = "${voyage}".equals(cellValue);
                    boolean isHsCodeDescCell = cellValue.contains("${hs_code_desc}");
                    if ("${phone1}".equals(cellValue) || "${phone2}".equals(cellValue) || "${hs_code}".equals(cellValue)
                            || "${pickupAddress}".equals(cellValue) || isVoyageCell || isHsCodeDescCell) {
                        c.setCellValue(result); // 字符串
                        if ("${pickupAddress}".equals(cellValue) || isVoyageCell) {
                            applyMultilineCellStyle(c, result, isVoyageCell);
                        }
                        if (isHsCodeDescCell) {
                            applyHsCodeDescRichText(c, result);
                        }
                    } else {
                        try {
                            // 更严格的数字检查
                            String cleanResult = result.replace(",", "").trim();
                            if (!cleanResult.isEmpty() && !cleanResult.equals("-") && !cleanResult.equals(".")) {
                                double num = Double.parseDouble(cleanResult);
                                if (Double.isFinite(num)) {
                                    c.setCellValue(num); // 数值
                                    // goods_total_qty 根据实际小数位动态设置格式
                                    if ("${goods_total_qty}".equals(cellValue)) {
                                        XSSFCellStyle fmtStyle = workbook.createCellStyle();
                                        fmtStyle.cloneStyleFrom(c.getCellStyle());
                                        DataFormat dataFormat = workbook.createDataFormat();
                                        fmtStyle.setDataFormat(dataFormat.getFormat(buildDecimalFormat(num)));
                                        c.setCellStyle(fmtStyle);
                                    }
                                } else {
                                    c.setCellValue(result); // 字符串
                                }
                            } else {
                                c.setCellValue(result); // 字符串
                            }
                        } catch (NumberFormatException e) {
                            c.setCellValue(result); // 字符串
                        }
                    }
                }
                if (hasHeaderPlaceholder) {
                    applyMultilineStyleIfNeeded(c, result);
                }
                Matcher matcherDtl = PATTERN_DTL_FIELD.matcher(cellValue);
                while (matcherDtl.find()) {
                    for (int ri = 1; ri <= matcherDtl.groupCount(); ri++) {
                        String field = matcherDtl.group(ri);
                        // 检查数组边界，避免越界异常
                        int listIndex = i - dtlRowIndex;
                        if (listIndex >= 0 && listIndex < listVariables.size()) {
                            c.setCellValue(cellValue.replace(matcherDtl.group(0), String.valueOf(listVariables.get(listIndex).getOrDefault(field, ""))));
                        }
                    }
                }

                // 设置样式
                if (cellStyle && dtlRowIndex >= 0 && i >= dtlRowIndex && i < dtlRowIndex + listVariables.size()) {
                    XSSFCellStyle style = c.getCellStyle();
                    style.setBorderBottom(BorderStyle.NONE);
                    style.setBorderTop(BorderStyle.NONE);
                    style.setWrapText(true);
                    style.setAlignment(HorizontalAlignment.LEFT);
                    c.setCellStyle(style);
                    if (rangeStyle && j < 4) {
                        for (int mi = 0; mi < 3; mi++) {
                            XSSFCell nextc = sheet.getRow(i).getCell(c.getColumnIndex()+mi+1);
                            if (nextc == null) {
                                continue;
                            }
                            nextc.setCellStyle(style);
                        }
                    }
                }
            }
        }
        // 设置明细样式，因为明细是动态添加的，会有样式和模版偏差，此处主要是第2、3列的样式需要设置
        if (cellStyle) {
            for (Integer dtlRow : dtlRows) {
                XSSFCell c1 = sheet.getRow(dtlRow).getCell(cellStyle2?0:1);
                if (c1 == null) {
                    continue;
                }
                XSSFCellStyle style = workbook.createCellStyle();
                style.setBorderRight(BorderStyle.NONE);
                style.setBorderLeft(BorderStyle.MEDIUM); // 实线
                style.setBorderBottom(BorderStyle.NONE);
                style.setBorderTop(BorderStyle.NONE);
                Font font = workbook.createFont();
                font.setFontName("Arial");       // 设置字体
                font.setFontHeightInPoints((short) 10); // 设置字号
                style.setFont(font);
                style.setVerticalAlignment(VerticalAlignment.TOP);
                style.setWrapText(true);
                c1.setCellStyle(style);

                XSSFCell c2 = sheet.getRow(dtlRow).getCell(cellStyle2?1:2);
                if (c2 == null) {
                    continue;
                }
                XSSFCellStyle style2 = workbook.createCellStyle();
                style2.setBorderRight(BorderStyle.MEDIUM);
                style2.setBorderLeft(BorderStyle.NONE);
                style2.setBorderBottom(BorderStyle.NONE);
                style2.setBorderTop(BorderStyle.NONE);
                Font font2 = workbook.createFont();
                font2.setFontName("Arial");       // 设置字体
                font2.setFontHeightInPoints((short) 10); // 设置字号
                style2.setFont(font2);
                style2.setVerticalAlignment(VerticalAlignment.TOP);
                style2.setAlignment(HorizontalAlignment.LEFT);
                style2.setWrapText(true);
                c2.setCellStyle(style2);
                if (priceRight) { //仅供发票excel使用，第6、7、8是价格列居右
                    for (int i = 6; i < (invoiceLie?11:9); i++) {
                        XSSFRow row = sheet.getRow(dtlRow);
                        if (row == null) {
                            continue;
                        }
                        XSSFCell c7 = row.getCell(i);
                        if (c7 == null) {
                            continue;
                        }

                        // 尝试把字符串转成数值
                        if (c7.getCellType() == CellType.STRING) {
                            String strVal = c7.getStringCellValue();
                            if (strVal != null && !strVal.trim().isEmpty()) {
                                try {
                                    double num = Double.parseDouble(strVal.replace(",", ""));
                                    c7.setCellValue(num); // 转换为数值写回
                                } catch (NumberFormatException e) {
                                    // 如果不是数字就保留原字符串
                                    System.out.println("非数字，保持原值: " + strVal);
                                }
                            }
                        }

                        // 创建样式
                        XSSFCellStyle style7 = workbook.createCellStyle();
                        style7.setBorderRight(BorderStyle.MEDIUM);
                        style7.setBorderLeft(BorderStyle.NONE);
                        style7.setBorderBottom(BorderStyle.NONE);
                        style7.setBorderTop(BorderStyle.NONE);

                        Font font7 = workbook.createFont();
                        font7.setFontName("Arial");
                        font7.setFontHeightInPoints((short) 10);
                        style7.setFont(font7);

                        style7.setVerticalAlignment(VerticalAlignment.TOP);
                        style7.setAlignment(HorizontalAlignment.RIGHT);

                        // 设置千分位格式（根据单元格实际小数位动态决定格式）
                        DataFormat dataFormat = workbook.createDataFormat();
                        String numFmt;
                        if (fixedInvoicePriceScale && invoiceUnitPriceCols.contains(i)) {
                            numFmt = "#,##0.00000";
                        } else if (fixedInvoicePriceScale && invoiceTotalPriceCols.contains(i)) {
                            numFmt = "#,##0.00";
                        } else if (c7.getCellType() == CellType.NUMERIC) {
                            numFmt = buildDecimalFormat(c7.getNumericCellValue());
                        } else {
                            numFmt = "#,##0.00";
                        }
                        style7.setDataFormat(dataFormat.getFormat(numFmt));

                        c7.setCellStyle(style7);
                    }
                }
                if (intRight) { //仅供箱单excel使用
                    // 覆盖到第10列（索引9），保证9、10列按数字处理
                    for (int i = 4; i < 11; i++) {
                        XSSFRow row = sheet.getRow(dtlRow);
                        if (row == null) {
                            continue;
                        }
                        XSSFCell c7 = row.getCell(i);
                        if (c7 == null) {
                            continue;
                        }
                        boolean isPoNoColumn = poNoCols.contains(i);
                        BigDecimal numericValue = null;
                        // 尝试把字符串转成数值
                        if (!isPoNoColumn && c7.getCellType() == CellType.STRING) {
                            String strVal = c7.getStringCellValue();
                            BigDecimal parsed = parseNumericString(strVal);
                            if (parsed != null) {
                                numericValue = parsed;
                                c7.setCellValue(parsed.doubleValue()); // 转换为数值写回
                            }
                        } else if (!isPoNoColumn && c7.getCellType() == CellType.NUMERIC) {
                            numericValue = BigDecimal.valueOf(c7.getNumericCellValue());
                        }

                        // 创建样式
                        XSSFCellStyle style7 = workbook.createCellStyle();
                        style7.setBorderRight(BorderStyle.MEDIUM);
                        style7.setBorderLeft(i==4?BorderStyle.MEDIUM:BorderStyle.NONE);
                        style7.setBorderBottom(BorderStyle.NONE);
                        style7.setBorderTop(BorderStyle.NONE);

                        // 判断单元格的值是否小于等于0，如果小于等于0则加粗
                        boolean isBold = false;
                        if (numericValue != null && numericValue.compareTo(BigDecimal.ZERO) <= 0) {
                            isBold = true;
                        }

                        Font font7 = workbook.createFont();
                        font7.setFontName("Arial");
                        font7.setFontHeightInPoints((short) 10);
                        if (isBold) {
                            font7.setBold(true);
                        }
                        style7.setFont(font7);

                        style7.setVerticalAlignment(VerticalAlignment.TOP);
                        style7.setAlignment(HorizontalAlignment.CENTER);
                        DataFormat dataFormat = workbook.createDataFormat();
                        if (isPoNoColumn) {
                            // po_no 是编号列，必须按文本处理，不能套用千分位
                            style7.setDataFormat(dataFormat.getFormat("@"));
                        } else {
                            // 设置千分位格式（根据单元格实际小数位动态决定格式）
                            String numFmt2;
                            if (numericValue != null) {
                                // 去掉末尾0后按实际小数位显示：20.000000 -> 20，0.150000 -> 0.15
                                numFmt2 = buildDecimalFormatByDecimal(numericValue);
                            } else if (c7.getCellType() == CellType.NUMERIC) {
                                numFmt2 = buildDecimalFormat(c7.getNumericCellValue());
                            } else {
                                numFmt2 = "#,##0";
                            }
                            style7.setDataFormat(dataFormat.getFormat(numFmt2));
                        }
                        c7.setCellStyle(style7);
                    }

                    // net_weight列（J列，索引9）保持顶部右对齐
                    /*XSSFRow row = sheet.getRow(dtlRow);
                    if (row != null) {
                        XSSFCell netWeightCell = row.getCell(9);
                        if (netWeightCell != null) {
                            XSSFCellStyle netWeightStyle = workbook.createCellStyle();
                            netWeightStyle.cloneStyleFrom(netWeightCell.getCellStyle());
                            netWeightStyle.setVerticalAlignment(VerticalAlignment.TOP);
                            netWeightStyle.setAlignment(HorizontalAlignment.RIGHT);
                            netWeightCell.setCellStyle(netWeightStyle);
                        }
                    }*/
                }
            }
        }
        if (delRight) {
            for (Integer dtlRow : dtlRows) {
                for (int i = 0; i < 17; i++) {
                    XSSFRow row = sheet.getRow(dtlRow);
                    if (row == null) {
                        continue;
                    }
                    XSSFCell c7 = row.getCell(i);
                    if (c7 == null) {
                        continue;
                    }
                    // 创建样式
                    XSSFCellStyle style = workbook.createCellStyle();
                    style.setBorderRight(i==16?BorderStyle.THIN:BorderStyle.NONE);
                    style.setBorderLeft(i==0?BorderStyle.THIN:BorderStyle.NONE);
                    style.setBorderBottom(BorderStyle.THIN);
                    style.setBorderTop(BorderStyle.NONE);
                    Font font = workbook.createFont();
                    font.setFontName("Arial");
                    font.setFontHeightInPoints((short) 10);
                    style.setFont(font);
                    style.setVerticalAlignment(VerticalAlignment.CENTER);
                    style.setAlignment(HorizontalAlignment.LEFT);
                    c7.setCellStyle(style);
                    boolean declarationFixedTwoScaleColumn = fixedDeclarationPriceScale && declarationFixedPriceCols.contains(i);
                    boolean declarationQtyColumn = fixedDeclarationPriceScale && declarationQtyCols.contains(i);
                    boolean declarationNumberColumn = fixedDeclarationPriceScale
                            ? (declarationFixedTwoScaleColumn || declarationQtyColumn)
                            : (i == 6 || i == 11);
                    if (declarationNumberColumn) {
                        BigDecimal numericValue = null;
                        if (c7.getCellType() == CellType.STRING) {
                            numericValue = parseNumericString(c7.getStringCellValue());
                        } else if (c7.getCellType() == CellType.NUMERIC) {
                            numericValue = BigDecimal.valueOf(c7.getNumericCellValue());
                        }
                        if (numericValue != null) {
                            if (declarationFixedTwoScaleColumn) {
                                numericValue = numericValue.setScale(2, RoundingMode.HALF_UP);
                            }
                            c7.setCellValue(numericValue.doubleValue());
                        }
                        // 创建样式
                        XSSFCellStyle style7 = workbook.createCellStyle();
                        style7.setBorderRight(BorderStyle.NONE);
                        style7.setBorderLeft(BorderStyle.NONE);
                        style7.setBorderBottom(BorderStyle.THIN);
                        style7.setBorderTop(BorderStyle.NONE);
                        Font font7 = workbook.createFont();
                        font7.setFontName("Arial");
                        font7.setFontHeightInPoints((short) 10);
                        style7.setFont(font7);
                        style7.setVerticalAlignment(VerticalAlignment.CENTER);
                        style7.setAlignment(HorizontalAlignment.RIGHT);
                        // 设置千分位格式（根据单元格实际小数位动态决定格式）
                        DataFormat dataFormat = workbook.createDataFormat();
                        String numFmt3;
                        if (declarationFixedTwoScaleColumn) {
                            numFmt3 = "#,##0.00";
                        } else if (declarationQtyColumn) {
                            numFmt3 = "#,##0";
                        } else if (c7.getCellType() == CellType.NUMERIC) {
                            numFmt3 = buildDecimalFormat(c7.getNumericCellValue());
                        } else {
                            numFmt3 = "#,##0.00";
                        }
                        style7.setDataFormat(dataFormat.getFormat(numFmt3));
                        c7.setCellStyle(style7);
                    }
                }
            }
        }
        if (boxFlag) {
            for (Integer dtlRow : boxRows) {
                for (int i = 1; i < 6; i++) {
                    if (i==1 || i==4 || i==5) {
                        XSSFRow row = sheet.getRow(dtlRow);
                        if (row == null) {
                            continue;
                        }
                        XSSFCell c7 = row.getCell(i);
                        if (c7 == null) {
                            continue;
                        }
                        // 尝试把字符串转成数值
                        if (c7.getCellType() == CellType.STRING) {
                            String strVal = c7.getStringCellValue();
                            if (strVal != null && !strVal.trim().isEmpty()) {
                                try {
                                    double num = Double.parseDouble(strVal.replace(",", ""));
                                    c7.setCellValue(num); // 转换为数值写回
                                } catch (NumberFormatException e) {
                                    // 如果不是数字就保留原字符串
                                    System.out.println("非数字，保持原值: " + strVal);
                                }
                            }
                        }
                        // 创建样式
                        XSSFCellStyle style7 = workbook.createCellStyle();
                        style7.setBorderRight(BorderStyle.THIN);
                        style7.setBorderLeft(BorderStyle.THIN);
                        style7.setBorderBottom(BorderStyle.THIN);
                        style7.setBorderTop(BorderStyle.THIN);

                        Font font7 = workbook.createFont();
                        font7.setFontName("DengXian");  // 等线
                        font7.setFontHeightInPoints((short) 11); // 11号
                        style7.setFont(font7);

                        style7.setVerticalAlignment(VerticalAlignment.CENTER);
                        style7.setAlignment(HorizontalAlignment.RIGHT);

                        // 设置千分位格式（根据单元格实际小数位动态决定格式）
                        DataFormat dataFormat = workbook.createDataFormat();
                        String numFmt4 = (c7.getCellType() == CellType.NUMERIC)
                                ? buildDecimalFormat(c7.getNumericCellValue())
                                : "#,##0";
                        style7.setDataFormat(dataFormat.getFormat(numFmt4));
                        c7.setCellStyle(style7);
                    }
                }
            }
        }

        // 处理合并单元格 - 将列表索引转换为实际行号并合并
        if (dtlRowIndex >= 0 && !mergeRegions.isEmpty()) {
            for (int[] region : mergeRegions) {
                int startRow = dtlRowIndex + region[0];
                int endRow = dtlRowIndex + region[1];
                int startCol = region[2];
                int endCol = region.length >= 4 ? region[3] : region[2]; // 支持跨列，如果没有指定endCol则等于startCol
                boolean needMerge = startRow < endRow || startCol < endCol;
                if (needMerge) {
                    // 创建新的合并区域（支持横向和纵向合并）
                    CellRangeAddress mergeRange = new CellRangeAddress(startRow, endRow, startCol, endCol);

                    // 检查并删除与新合并区域冲突的已存在合并区域
                    List<Integer> toRemove = new ArrayList<>();
                    for (int i = 0; i < sheet.getNumMergedRegions(); i++) {
                        CellRangeAddress existingRegion = sheet.getMergedRegion(i);
                        if (existingRegion != null && mergeRange.intersects(existingRegion)) {
                            toRemove.add(i);
                        }
                    }
                    // 从后往前删除，避免索引变化
                    for (int i = toRemove.size() - 1; i >= 0; i--) {
                        sheet.removeMergedRegion(toRemove.get(i));
                    }

                    // 添加新的合并区域
                    sheet.addMergedRegion(mergeRange);
                }

                // 根据是否实际合并设置对齐方式：
                // 1) 已合并：垂直居中 + 水平居中
                // 2) 未合并（单格）：垂直顶对齐 + 水平居中
                XSSFRow row = sheet.getRow(startRow);
                if (row != null) {
                    XSSFCell cell = row.getCell(startCol);
                    if (cell != null) {
                        XSSFCellStyle mergeStyle = workbook.createCellStyle();
                        mergeStyle.cloneStyleFrom(cell.getCellStyle());
                        mergeStyle.setVerticalAlignment(needMerge ? VerticalAlignment.CENTER : VerticalAlignment.TOP);
                        mergeStyle.setAlignment(HorizontalAlignment.CENTER);
                        cell.setCellStyle(mergeStyle);
                    }
                }
            }
        }

        // 处理行高设置
        if (dtlRowIndex >= 0 && !rowHeights.isEmpty()) {
            for (int[] heightInfo : rowHeights) {
                int startRow = dtlRowIndex + heightInfo[0];
                int endRow = dtlRowIndex + heightInfo[1];
                int height = heightInfo[2];

                for (int rowIdx = startRow; rowIdx <= endRow; rowIdx++) {
                    XSSFRow row = sheet.getRow(rowIdx);
                    if (row != null) {
                        // 设置行高（Excel行高单位是1/20点，所以需要乘以20）
                        row.setHeight((short) (height * 20));
                    }
                }
            }
        }

        return workbook;
    }

    private void applyMultilineCellStyle(XSSFCell cell, String value, boolean voyageCell) {
        if (cell == null || value == null || !value.contains("\n")) {
            return;
        }
        XSSFCellStyle wrapStyle = workbook.createCellStyle();
        wrapStyle.cloneStyleFrom(cell.getCellStyle());
        wrapStyle.setWrapText(true);
        wrapStyle.setVerticalAlignment(VerticalAlignment.TOP);
        wrapStyle.setAlignment(HorizontalAlignment.LEFT);
        if (voyageCell) {
            XSSFFont baseFont = workbook.getFontAt(cell.getCellStyle().getFontIndexAsInt());
            XSSFFont monoFont = workbook.createFont();
            monoFont.setFontName("Courier New");
            monoFont.setFontHeight(baseFont.getFontHeight());
            monoFont.setBold(false);
            monoFont.setColor(baseFont.getColor());
            wrapStyle.setFont(monoFont);
        }
        cell.setCellStyle(wrapStyle);

        XSSFRow row = cell.getRow();
        if (row != null) {
            int lineCount = value.split("\n", -1).length;
            CellRangeAddress mergedRegion = getMergedRegionForCell(cell);
            int defaultHeight = row.getSheet().getDefaultRowHeight();
            if (mergedRegion != null && mergedRegion.getFirstRow() != mergedRegion.getLastRow()) {
                int rowSpan = mergedRegion.getLastRow() - mergedRegion.getFirstRow() + 1;
                int targetLines = Math.max(2, Math.min(lineCount, 15));
                int totalTargetHeight = defaultHeight * targetLines;
                short perRowHeight = (short) Math.max(defaultHeight,
                        Math.min(defaultHeight * 4, (totalTargetHeight + rowSpan - 1) / rowSpan));
                for (int rowIndex = mergedRegion.getFirstRow(); rowIndex <= mergedRegion.getLastRow(); rowIndex++) {
                    XSSFRow mergedRow = row.getSheet().getRow(rowIndex);
                    if (mergedRow == null) {
                        mergedRow = row.getSheet().createRow(rowIndex);
                    }
                    if (mergedRow.getHeight() < perRowHeight) {
                        mergedRow.setHeight(perRowHeight);
                    }
                }
            } else {
                short targetHeight = (short) (defaultHeight * Math.max(2, Math.min(lineCount, 6)));
                if (row.getHeight() < targetHeight) {
                    row.setHeight(targetHeight);
                }
            }
        }
    }

    private CellRangeAddress getMergedRegionForCell(XSSFCell cell) {
        if (cell == null || cell.getSheet() == null) {
            return null;
        }
        int rowIndex = cell.getRowIndex();
        int colIndex = cell.getColumnIndex();
        for (CellRangeAddress region : cell.getSheet().getMergedRegions()) {
            if (region.isInRange(rowIndex, colIndex)) {
                return region;
            }
        }
        return null;
    }

    private void applyHsCodeDescRichText(XSSFCell cell, String value) {
        if (cell == null || value == null || !value.contains("货物描述")) {
            return;
        }
        XSSFCellStyle wrapStyle = workbook.createCellStyle();
        wrapStyle.cloneStyleFrom(cell.getCellStyle());
        wrapStyle.setWrapText(true);
        wrapStyle.setVerticalAlignment(VerticalAlignment.TOP);
        wrapStyle.setAlignment(HorizontalAlignment.LEFT);
        cell.setCellStyle(wrapStyle);

        String titleText = "货物描述：";
        int titleStart = value.indexOf(titleText);
        if (titleStart < 0) {
            titleText = "货物描述:";
            titleStart = value.indexOf(titleText);
        }
        if (titleStart < 0) {
            return;
        }
        int titleEnd = titleStart + titleText.length();
        XSSFRichTextString richText = new XSSFRichTextString(value);
        XSSFFont baseFont = workbook.getFontAt(cell.getCellStyle().getFontIndexAsInt());

        XSSFFont titleFont = workbook.createFont();
        titleFont.setFontName(baseFont.getFontName());
        titleFont.setFontHeight(baseFont.getFontHeight());
        titleFont.setColor(baseFont.getColor());
        titleFont.setBold(true);

        XSSFFont valueFont = workbook.createFont();
        valueFont.setFontName(baseFont.getFontName());
        valueFont.setFontHeightInPoints((short) 10);
        valueFont.setColor(baseFont.getColor());
        valueFont.setBold(false);

        richText.applyFont(titleStart, titleEnd, titleFont);
        if (titleEnd < value.length()) {
            richText.applyFont(titleEnd, value.length(), valueFont);
        }
        cell.setCellValue(richText);
    }

    private boolean isInvoiceUnitPriceField(String field) {
        return "unitPrice".equalsIgnoreCase(field) || "tp".equalsIgnoreCase(field);
    }

    private boolean isInvoiceTotalPriceField(String field) {
        return "totalPrice".equalsIgnoreCase(field) || "ttl_amount".equalsIgnoreCase(field);
    }

    private boolean isDeclarationFixedPriceField(String field) {
        return "net_weight".equalsIgnoreCase(field)
                || "unit_price".equalsIgnoreCase(field)
                || "total_price".equalsIgnoreCase(field);
    }

    private boolean isDeclarationQtyField(String field) {
        return "qty".equalsIgnoreCase(field);
    }

    private BigDecimal parseNumericString(String value) {
        if (value == null) {
            return null;
        }
        String clean = value.replace(",", "").trim();
        if (clean.isEmpty() || "-".equals(clean) || ".".equals(clean)) {
            return null;
        }
        try {
            return new BigDecimal(clean);
        } catch (NumberFormatException e) {
            return null;
        }
    }

    private String buildDecimalFormatByDecimal(BigDecimal value) {
        if (value == null) {
            return "#,##0";
        }
        int scale = Math.max(0, value.stripTrailingZeros().scale());
        if (scale <= 0) {
            return "#,##0";
        }
        return "#,##0." + "0".repeat(scale);
    }

    /**
     * 根据数值的实际小数位数动态生成 Excel 数字格式串（带千分位）。
     * 例：1.0 → "#,##0"，12.34 → "#,##0.00"，0.00123 → "#,##0.00000"
     * 使用 Double.toString() 转 BigDecimal 再去尾零，避免浮点误差导致位数虚高。
     */
    private String buildDecimalFormat(double value) {
        if (value == 0) {
            return "#,##0";
        }
        BigDecimal bd = new BigDecimal(Double.toString(Math.abs(value))).stripTrailingZeros();
        int scale = Math.max(0, bd.scale());
        if (scale == 0) {
            return "#,##0";
        }
        return "#,##0." + "0".repeat(scale);
    }
}