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.Cells;
import com.aspose.cells.PdfSaveOptions;
import com.aspose.cells.Workbook;
import com.aspose.cells.Worksheet;
import com.aspose.cells.WorksheetCollection;
import com.aspose.slides.Presentation;
import com.aspose.words.Document;
import com.aspose.words.ImportFormatMode;
import com.aspose.words.SaveFormat;
import com.product.core.exception.BaseException;
import com.product.core.spring.context.SpringMVCContextHolder;
import com.product.file.config.FileCode;

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(FileCode.DOC_CONVERT_FALL,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
            fileOS = new FileOutputStream(OutPutPath);
            //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(FileCode.DOC_CONVERT_FALL,e);
        }finally{
			if(fileOS!=null) {
				try {
					fileOS.flush();
					fileOS.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
    }
    public static void Excel2Html(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
            WorksheetCollection sheets=wb.getWorksheets();
            System.out.println("sheet个数："+sheets.getCount());
            for(int i=0;i<sheets.getCount();i++) {
            	setAutoWithHeight(sheets.get(i));
            }
            fileOS = new FileOutputStream(OutPutPath);
            wb.save(fileOS, SaveFormat.HTML);
        } catch (Exception e) {
        	throw new BaseException(FileCode.DOC_CONVERT_FALL,e);
        }finally{
			if(fileOS!=null) {
				try {
					fileOS.flush();
					fileOS.close();
				}catch(IOException e) {
					throw new BaseException(e);
				}
			}
		}
    }
    /**
     * 设置单元格的自动适宽、高
     * @param sheet
     * @throws Exception
     */
    public static void setAutoWithHeight(Worksheet sheet)throws Exception
    {
        Cells cells =sheet.getCells();
        int columnCount = cells.getMaxColumn();  //获取表页的最大列数
        int rowCount = cells.getMaxRow();        //获取表页的最大行数
        if(columnCount<0 ||rowCount<0 )return ;
        for (int col = 0; col < columnCount; col++)
        {
            sheet.autoFitColumn(col, 0, rowCount);
        }
        for (int row = 0; row < rowCount; row++)
        {
            sheet.autoFitRow(row, 0, columnCount);
        }
    }
    /**
     * 
     * @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.exists()) {
                file.mkdirs();
            }
            Document doc = new Document(officePath);// 原始word路径
            fileOS = new FileOutputStream(OutPutPath);
            doc.save(fileOS, com.aspose.words.SaveFormat.PDF);
        } catch (Exception e) {
        	throw new BaseException(FileCode.DOC_CONVERT_FALL,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(officePath);// 原始ppt路径
            Presentation pres = new Presentation(slides);
            fileOS = new FileOutputStream(OutPutPath);
            pres.save(fileOS, com.aspose.slides.SaveFormat.Pdf);
        } catch (Exception e) {
        	throw new BaseException(FileCode.DOC_CONVERT_FALL,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);
        if("pdf".equals(officeType)) {
        	return 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()) {
        	if(officeType.equals("doc")||officeType.equals("docx")){
                Word2Pdf(officePath,outFile);
            }else if(officeType.equals("xls")||officeType.equals("xlsx")){
//                Excel2Pdf(officePath,outFile);
                Excel2Html(officePath,outFile);
            }else if(officeType.equals("ppt")||officeType.equals("pptx")){
                PPT2Pdf(officePath,outFile);
            }else{
            	throw new BaseException(FileCode.DOC_CONVERT_NOT_SUPPORT_FILE_FALL);
            }
        } else {
        	throw new BaseException(FileCode.DOC_CONVERT_FILE_NOT_EXIST_FALL);
        }
        return outFile;
    }
    /**
     * 文档转换
     * @param officePath
     * @return
     */
    public static String OfficeToPdf(String officePath) {

        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;
    }
    /**
     * word文档的合并
     * @param targetWordFile
     * @param sourceWordFile
     * @return
     * @throws Exception
     */
    public static File mergeWord(String targetWordFile,String sourceWordFile ) throws BaseException{
    	File target=new File(targetWordFile);
    	File source=new File(sourceWordFile);
    	return mergeWord(target,source);
    }
    /**
     * word文档的合并
     * @param targetWordFile
     * @param sourceWordFile
     * @return
     * @throws Exception
     */
    public static File mergeWord(File target,File source ) throws BaseException{
    	
    	if(!target.exists() && !source.exists()) {
    		return null;
    	}else if(!source.exists() && target.exists()) {
    		return target;
    	}else if(source.exists() && !target.exists()) {
    		return source;
    	}
    	// 验证License
        if (!getLicense(2)) {
            return null;
        }
    	FileInputStream tin=null;
    	FileInputStream sin=null;
    	FileOutputStream out=null;
    	String temp=target.getParent()+File.separator+"mergeTemp";
    	File temp_target=new File(temp+File.separator+target.getName());
    	try {
	    	tin=new FileInputStream(target);
	    	sin=new FileInputStream(source);
	    	Document targetDoc = new Document(tin);
	    	Document sourceDoc = new Document(sin); 
	    	targetDoc.appendDocument(sourceDoc, ImportFormatMode.KEEP_SOURCE_FORMATTING);
	    	File dir=new File(temp);
	    	if(!dir.exists()) {
	    		if(dir.mkdirs()) {
	    			if(temp_target.createNewFile()) {
	    				out=new FileOutputStream(temp_target);
	    				targetDoc.save(out, SaveFormat.DOCX);
	    			}
	    		}
	    	}
    	}catch(Exception e) {
    		throw new BaseException(FileCode.DOC_MERGE_FALL,e);
    	}
    	finally{
    		try {
	    		if(tin!=null) {
					tin.close();
				}
	    		if(sin!=null) {
	    			sin.close();
				}
				if(out!=null) {
					out.flush();
	    			out.close();
				}
    		}catch(IOException e) {
				throw new BaseException(FileCode.DOC_MERGE_FALL,e);
			}
		}
    	return temp_target;
    }
    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);
    }
}