package com.xujie.sys.common.utils;

import com.aspose.cells.PageOrientationType;
import com.aspose.cells.PageSetup;
import com.aspose.cells.PaperSizeType;
import com.aspose.cells.SaveFormat;
import com.aspose.cells.Workbook;
import com.aspose.cells.Worksheet;
import com.aspose.words.Document;

import java.io.File;

/**
 * Office文件转PDF工具类（使用Aspose）
 */
public class OfficeConverter {

    public static String getFileExtension(File file) {
        String fileName = file.getName();
        int lastDot = fileName.lastIndexOf('.');
        return (lastDot == -1) ? "" : fileName.substring(lastDot + 1);
    }

    public static void convertExcelToPdf(File file) throws Exception {
        Workbook workbook;
        String filePath = file.getAbsolutePath();

        if (filePath.endsWith(".xlsx")) {
            workbook = new Workbook(file.getAbsolutePath());
        } else {
            workbook = new Workbook(filePath);
        }

        Worksheet worksheet = workbook.getWorksheets().get(0);
        PageSetup pageSetup = worksheet.getPageSetup();
        pageSetup.setOrientation(PageOrientationType.PORTRAIT);
        pageSetup.setPaperSize(PaperSizeType.PAPER_A_4);
        pageSetup.setZoom(50);
        pageSetup.setLeftMargin(0);
        pageSetup.setRightMargin(0);
        pageSetup.setTopMargin(0.5);
        pageSetup.setBottomMargin(0.5);

        String pdfPath = filePath.replaceAll("\\.xlsx|\\.xls", ".pdf");
        workbook.save(pdfPath, SaveFormat.PDF);
    }

    public static void convertWordToPdf(File file) throws Exception {
        Document document = new Document(file.getAbsolutePath());
        String pdfPath = file.getAbsolutePath().replace(".docx", ".pdf").replace(".doc", ".pdf");
        document.save(pdfPath);
    }
}