using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace BLL
{

    public class libreOfficeHelp
    {
        public static string getLibreOfficePath()
        {
            switch (Environment.OSVersion.Platform)
            {
                case PlatformID.Unix:
                    return "/usr/bin/soffice";
                case PlatformID.Win32NT:
                    //string binaryDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
                    string binaryDirectory = Funs.RootPath;
                    return (binaryDirectory + @"\bin\LibreOffice\program\soffice.exe").Replace("\\", @"\");
                default:
                    throw new PlatformNotSupportedException("你的系统暂不支持！");
            }
        }

        public static void ToPdf(string officePath, string outPutPath)
        {
            using (Process p = new Process())
            {
                string libreOfficePath = getLibreOfficePath();
                string cmdpath = "cmd.exe";
                string eout = null;
                string cmdstr = string.Format("soffice--headless --convert-to pdf {0} --outdir {1} ", officePath, outPutPath);

                ProcessStartInfo procStartInfo = new ProcessStartInfo(libreOfficePath, cmdstr);
                procStartInfo.RedirectStandardOutput = true;
                procStartInfo.UseShellExecute = false;
                procStartInfo.CreateNoWindow = true;
                procStartInfo.WorkingDirectory = Environment.CurrentDirectory;
                p.StartInfo = procStartInfo;
                p.ErrorDataReceived += new DataReceivedEventHandler((sender, e) => { eout += e.Data; });
                p.Start();
                p.WaitForExit();//等待程序执行完退出进程

                p.Close();

            }
            //获取libreoffice命令的路径
            // string libreOfficePath = getLibreOfficePath();
            // string cmdpath = @"C:\Windows\System32\cmd.exe";
            //string cmdstr = libreOfficePath + "| " + string.Format("soffice--headless --convert-to pdf {0} --outdir {1} ", officePath, outPutPath);
            //string libreOfficePath = @"C:\Program Files\LibreOffice\program\soffice.exe";
            //ProcessStartInfo procStartInfo = new ProcessStartInfo(cmdpath, cmdstr);
            //procStartInfo.RedirectStandardOutput = true;
            //procStartInfo.UseShellExecute = false;
            //procStartInfo.CreateNoWindow = true;
            //procStartInfo.WorkingDirectory = Environment.CurrentDirectory;

            ////开启线程
            //Process process = new Process() { StartInfo = procStartInfo, };
            //process.Start();

            //process.WaitForExit();
            //process.Close();
            //if (process.ExitCode != 0)
            //{
            //    throw new LibreOfficeFailedException(process.ExitCode);
            //}
        }
        public static void ToHtml(string officePath, string outPutPath)
        {
            using (Process p = new Process())
            {
                string libreOfficePath = getLibreOfficePath();
                string eout = null;
                string cmdstr = string.Format("soffice--headless --convert-to html {0} --outdir {1} ", officePath, outPutPath);

                ProcessStartInfo procStartInfo = new ProcessStartInfo(libreOfficePath, cmdstr);
                procStartInfo.RedirectStandardOutput = true;
                procStartInfo.UseShellExecute = false;
                procStartInfo.CreateNoWindow = true;
                procStartInfo.WorkingDirectory = Environment.CurrentDirectory;
                p.StartInfo = procStartInfo;
                p.ErrorDataReceived += new DataReceivedEventHandler((sender, e) => { eout += e.Data; });
                p.Start();
                p.WaitForExit();//等待程序执行完退出进程

                p.Close();

            }
            ////获取libreoffice命令的路径
            //string libreOfficePath = getLibreOfficePath();
            ////string libreOfficePath = @"C:\Program Files\LibreOffice\program\soffice.exe";
            //ProcessStartInfo procStartInfo = new ProcessStartInfo(libreOfficePath, string.Format("soffice--headless --convert-to html {0} --outdir {1} ", officePath, outPutPath));
            //procStartInfo.RedirectStandardOutput = true;
            //procStartInfo.UseShellExecute = false;
            //procStartInfo.CreateNoWindow = true;
            //procStartInfo.WorkingDirectory = Environment.CurrentDirectory;

            ////开启线程
            //Process process = new Process() { StartInfo = procStartInfo, };
            //process.Start();
            //process.WaitForExit();

            //if (process.ExitCode != 0)
            //{
            //    throw new LibreOfficeFailedException(process.ExitCode);
            //}
        }
    }

    public class LibreOfficeFailedException : Exception
    {
        public LibreOfficeFailedException(int exitCode)
            : base(string.Format("LibreOffice错误 {0}", exitCode))
        { }
    }
}