package com.product.file.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.RoundingMode;
import java.text.DecimalFormat;

import com.aspose.cells.PdfSaveOptions;
import com.aspose.cells.Workbook;
import com.aspose.slides.Presentation;
import com.aspose.words.Document;
import com.product.core.exception.BaseException;
import com.product.core.spring.context.SpringMVCContextHolder;

public class AsposeUtil {
	//是否初始了license
	private static boolean isInitLicense=false;
    /**
     * 获取license
     * @return
     */
    public static boolean getLicense(int type)throws BaseException {
    	//已经初始过，不再初始
    	if(isInitLicense) {
    		return true;
    	}
        boolean result = true;
        InputStream is = null;
        try {
        	is =  AsposeUtil.class.getClassLoader().getResourceAsStream("license.xml");
            com.aspose.cells.License excel = new com.aspose.cells.License();
            excel.setLicense(is);
            
            is =  AsposeUtil.class.getClassLoader().getResourceAsStream("license.xml");
            com.aspose.words.License word = new com.aspose.words.License();
            word.setLicense(is);
            
            is =  AsposeUtil.class.getClassLoader().getResourceAsStream("license.xml");
            com.aspose.slides.License ppt = new com.aspose.slides.License();
            ppt.setLicense(is);

            isInitLicense=true;
        } catch (Exception e) {
        	result=false;
        	throw new BaseException(e);
        }finally{
			if(is!=null) {
				try {
					is.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
        return result;
    }
    /**
     * 
     * @param officePath
     * @param OutPutPath
     * @throws BaseException
     */
    public static void Excel2Pdf(String officePath,String OutPutPath)throws BaseException {
        // 验证License
        if (!getLicense(1)) {
            return;
        }
        FileOutputStream fileOS=null;
        try {
            File file = new File(OutPutPath);
            if (!file.exists()) {
                file.mkdirs();
            }
            Workbook wb = new Workbook(officePath);// 原始excel路径
            File pdfFile = new File(OutPutPath);// 输出路径
            fileOS = new FileOutputStream(pdfFile);
            //wb.save(fileOS, com.aspose.cells.SaveFormat.PDF);
            PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
            pdfSaveOptions.setAllColumnsInOnePagePerSheet(true);
            wb.save(fileOS, pdfSaveOptions);
        } catch (Exception e) {
        	throw new BaseException(e);
        }finally{
			if(fileOS!=null) {
				try {
					fileOS.flush();
					fileOS.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
    }
    /**
     * 
     * @param officePath
     * @param OutPutPath
     * @throws BaseException
     */
    public static void Word2Pdf(String officePath,String OutPutPath) throws BaseException {
        // 验证License
        if (!getLicense(2)) {
            return;
        }
        FileOutputStream fileOS=null;
        try {
            File file = new File(OutPutPath);
            if (!file.getParentFile().exists()) {
                file.getParentFile().mkdirs();
            }
            Document doc = new Document(officePath);// 原始word路径
            File pdfFile = new File(OutPutPath);// 输出路径
            fileOS = new FileOutputStream(pdfFile);
            doc.save(fileOS, com.aspose.words.SaveFormat.PDF);
        } catch (Exception e) {
        	throw new BaseException(e);
        }finally{
			if(fileOS!=null) {
				try {
					fileOS.flush();
					fileOS.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
    }
    /**
     * 
     * @param officePath
     * @param OutPutPath
     * @throws BaseException
     */
    public static void PPT2Pdf(String officePath,String OutPutPath)throws BaseException {
        // 验证License
        if (!getLicense(3)) {
            return;
        }
        FileOutputStream fileOS=null;
        try {
            File PathFile = new File(OutPutPath);
            if (!PathFile.exists()) {
                PathFile.mkdirs();
            }
            InputStream slides = new FileInputStream(new File(officePath));// 原始ppt路径
            Presentation pres = new Presentation(slides);
            File file = new File(OutPutPath);// 输出pdf路径
            fileOS = new FileOutputStream(file);
            pres.save(fileOS, com.aspose.slides.SaveFormat.Pdf);
            fileOS.flush();
            fileOS.close();
        } catch (Exception e) {
        	throw new BaseException(e);
        }finally{
			if(fileOS!=null) {
				try {
					fileOS.flush();
					fileOS.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
    }
    /**
     * 文档转换
     * @param officePath
     * @param outFile
     * @return
     * @throws BaseException
     */
    public static String OfficeToPdf(String officePath,String outFile,String officeType )throws BaseException {

        SpringMVCContextHolder.getSystemLogger().info("The file of office type:"+officePath);
        SpringMVCContextHolder.getSystemLogger().info("The file of PDF type:"+outFile);
        File file = new File(officePath);
        //判断当前office文件是否已经转为PDF,如果已转为PDF就不需要再次转换。
        if (file.exists()&& !"pdf".equals(officeType)) {
            double bytes = file.length();
            double kilobytes = (bytes / 1024);
            double megabytes = (kilobytes / 1024);

            DecimalFormat df = new DecimalFormat("0.00");
            df.setRoundingMode(RoundingMode.HALF_UP);
            String MB = df.format(megabytes);
            Double Size = Double.parseDouble(MB);
//            if(Size>10){
            SpringMVCContextHolder.getSystemLogger().info("The file size:"+Size+"MB");
//            }
            //"doc", "docx", "xls","xlsx", "ppt", "pptx"
            if(officeType.equals("doc")||officeType.equals("docx")){
                Word2Pdf(officePath,outFile);
            }else if(officeType.equals("xls")||officeType.equals("xlsx")){
                Excel2Pdf(officePath,outFile);
            }else if(officeType.equals("ppt")||officeType.equals("pptx")){
                PPT2Pdf(officePath,outFile);
            }else{
            	SpringMVCContextHolder.getSystemLogger().info("File types that cannot be converted:"+officeType);
            }
        } else {
        	SpringMVCContextHolder.getSystemLogger().info("File Not Exist");
        }
        return outFile;
    }
    /**
     * 文档转换
     * @param officePath
     * @return
     */
    public static String OfficeToPdf(String officePath) {

        //G:/product/WebApp/fwis_develop/com/is/flywings/oa/attchfile/1000000000/i0002/101951.docx⌒101951.docx⌒feiyu.docx
        String[] split = officePath.split("⌒");
        int lastIndex = split[0].lastIndexOf(".");
        int lastNameIndex = split[0].lastIndexOf("/");

        String officeType = split[0].substring(lastIndex+1);
        String officeName = split[0].substring(lastNameIndex+1,lastIndex)+".pdf";
        String OutPutPath = split[0].substring(0,lastNameIndex+1)+"office/";
        System.out.println("输出目录："+OutPutPath);
        File file = new File(split[0]);
        File pdfFile = new File(OutPutPath+officeName);
        //判断当前office文件是否已经转为PDF,如果已转为PDF就不需要再次转换。
        if(pdfFile.exists()){
            return OutPutPath+officeName;
        }

        if (file.exists()) {

            double bytes = file.length();
            double kilobytes = (bytes / 1024);
            double megabytes = (kilobytes / 1024);

            DecimalFormat df = new DecimalFormat("0.00");
            df.setRoundingMode(RoundingMode.HALF_UP);
            String MB = df.format(megabytes);
            Double Size = Double.parseDouble(MB);
            if(Size>10){
                return Size+"MB";
            }
            //"doc", "docx", "xls","xlsx", "ppt", "pptx"
            try {
                if(officeType.equals("doc")||officeType.equals("docx")){
                    Word2Pdf(split[0],OutPutPath+"/"+officeName);
                }else if(officeType.equals("xls")||officeType.equals("xlsx")){
                    Excel2Pdf(split[0],OutPutPath+"/"+officeName);
                }else if(officeType.equals("ppt")||officeType.equals("pptx")){
                    PPT2Pdf(split[0],OutPutPath+"/"+officeName);
                }else{
                    System.out.println("无法识别该文件！");
                    return "Error";
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else {
            return "NotExists";
        }
        return OutPutPath+officeName;
    }
    
    public static void main(String args[]) {
    	String file="E:/work/沄崃/FE6.6产品报价工具-新 - 副本.xlsx";
    	AsposeUtil.OfficeToPdf(file);
    }
}