package com.ots.project.tool;
import lombok.extern.slf4j.Slf4j;
import java.io.*;

@Slf4j
public class ShellTool {
    
    public static String execLibreofficeCommand(String type, String sourcePath, String targetPath) {
        String os = System.getProperty("os.name");
        StringBuilder builder = new StringBuilder();
        if (os.toLowerCase().startsWith("mac")) {
            builder.append("/Applications/LibreOffice.app/Contents/MacOS/soffice --headless --convert-to ");
        } else if(os.contains("Windows")){
            builder.append("cmd /c start soffice --headless --convert-to ");
        } else {
            builder.append("libreoffice6.4 --headless --convert-to ");
        }
        builder.append(type).append(":impress_pdf_Export ");
        builder.append("--outdir " + targetPath).append(" ");
        builder.append(sourcePath).append(" ");
        
        try {
            File file = new File(sourcePath.replaceAll(".docx", ".pdf"));
            if (file.exists()) {
                file.delete();
            }
        } catch (Exception e) {
        }
        return exec(builder.toString());
    }

    private static String exec(String command) {
        String returnString = "";
        Runtime runTime = Runtime.getRuntime();
        if (runTime == null) {
            System.err.println("Create runtime false!");
        }
        try {
            Process pro = runTime.exec(command);
            BufferedReader input = new BufferedReader(new InputStreamReader(pro.getInputStream()));
            PrintWriter output = new PrintWriter(new OutputStreamWriter(pro.getOutputStream()));
            String line;
            while ((line = input.readLine()) != null) {
                returnString = returnString + line + "\n";
            }
            input.close();
            output.close();
            pro.destroy();
        } catch (IOException ex) {
            log.error("执行PDF转换Shell失败：{}", ex.getMessage(), ex);
        }
        return returnString;
    }
    public static void main(String[] args) {
        //System.out.println(exec("soffice.exe --headless --invisible --convert-to  D:/ots/uploadPath/upload/2021/02/28/01e01cf7e372ba8b1c5d24b8d69a46f8.docx 01e01cf7e372ba8b1c5d24b8d69a46f8.pdf "));
    }
}