package ffmpeg

import (
  "github.com/xfrr/goffmpeg/utils"
  "os/exec"
  "bytes"
  "strings"
)

type Configuration struct {
  FfmpegBin  string
  FfprobeBin string
}

func Configure() (Configuration, error) {
  var outFFmpeg bytes.Buffer
  var outProbe bytes.Buffer
  execFFmpegCommand := utils.GetFFmpegExec()
  execFFprobeCommand := utils.GetFFprobeExec()

  cmdFFmpeg := exec.Command(execFFmpegCommand[0], execFFmpegCommand[1])
  cmdProbe := exec.Command(execFFprobeCommand[0], execFFprobeCommand[1])

  cmdFFmpeg.Stdout = &outFFmpeg
  cmdProbe.Stdout = &outProbe

  err := cmdFFmpeg.Run()
  if err != nil {
    return Configuration{}, err
  }

  err = cmdProbe.Run()
  if err != nil {
    return Configuration{}, err
  }

  ffmpeg := strings.Replace(outFFmpeg.String(), utils.LineSeparator(), "", -1)
  fprobe := strings.Replace(outProbe.String(), utils.LineSeparator(), "", -1)

  cnf := Configuration{ffmpeg, fprobe}
  return cnf, nil
}