tc

#!/bin/bash
IFS=$'\n'

source $HOME/transcode.conf

cron=false

foldername=''
arg=''
rtinfo=''
hash=''

if [[ "$#" == 1 && "$1" == -* ]]; then
    echo "Folder Name is Required.  Exiting..."
    exit
else
    foldername="$1"
fi

if [[ "$#" == 2 ]]; then
    arg="$1"
    rtinfo="$2"
    if [[ -n "${rtinfo}" ]]; then
      # note trailing slash here is critical
      foldername=$(echo "${rtinfo}" | cut -f1)/
      hash=$(echo "${rtinfo}" | cut -f2)
    else
      echo "No matching torrents.  Exiting..."
      exit
    fi
fi

case "${arg}" in
    -cron) cron=true ;;
    *) #future use
      ;;
esac

if [[ -z "${foldername}" || ! -d "${downloads}${foldername}" ]]; then
    echo "No matching torrents.  Exiting..."
    exit
fi

musicfoldercount=0
subfoldercount=$(find "${downloads}${foldername}"*/ -maxdepth 1 -type d -print 2>/dev/null | wc -l)
if [[ "${subfoldercount}" > "0" ]]; then
  subfolderlist=''
  allsubfolderlist=$(find "${downloads}${foldername}"*/ -maxdepth 1 -type d -printf "%f\n")
  # do not apply braces here
  for subfoldername in $allsubfolderlist; do
    musicfilecount=$(find "${downloads}${foldername}${subfoldername}" -name "*.flac" | wc -l)
    echo "subfolder: $downloads$foldername$subfoldername - musicfilecount: ${musicfilecount}"
    if [[ "${musicfilecount}" > "0" ]]; then
      ((musicfoldercount++))
      subfolderlist="${subfolderlist}${subfoldername}"$'\n'
    fi
  done
  if [[ "${musicfoldercount}" > "0" ]]; then
    firstsubfoldername=$(echo "${subfolderlist}" | head -1)
  fi
else
  firstsubfoldername=''
fi
# Various Artists?
counter=0
various=false
for flacfile in $(find "${downloads}${foldername}${firstsubfoldername}" -maxdepth 1 -type f -name "*.flac" 2>/dev/null); do
  thisartist="$(metaflac --show-tag=ARTIST "${flacfile}" | sed -n -e 's/^ARTIST=//pI' | sed -r 's/[:,?<>*|/]+/-/g')"
  if [[ "${counter}" == "0" ]]; then
    firstflacfile="${flacfile}"
    firstfileartist="${thisartist}"
  else
    if [[ "${firstfileartist}" != "${thisartist}" ]]; then
      various=true
      break
    fi
  fi
  (( counter++ ))
done
if ${various}; then
    artist="Various Artists"
else
    artist="${firstfileartist}"
fi
album=$(metaflac --show-tag=ALBUM "${firstflacfile}" | sed -n -e 's/^ALBUM=//pI' | sed -r 's/[:,?<>*|/]+/-/g')
year=$(metaflac --show-tag=DATE "${firstflacfile}" | sed -n -e 's/^DATE=//pI')
newfolder="$artist - $album ($year) [V0]/"
good=false
if ! "${cron}"; then
    echo "${newfolder}"
    read -p "Use this folder name? " -n 1 -r
    if ! [[ "${REPLY}" =~ ^[yY]$ ]]; then
        echo
        read -p "Enter the desired folder name: "
        newfolder="$REPLY"
        echo "$newfolder"
        read -p "Use this folder name? " -n 1 -r
        if [[ "${REPLY}" =~ ^[yY]$ ]]; then
          good=true
        fi
    else
        good=true
    fi
    case "${newfolder}" in
        */) # do nothing
            ;;
        *) newfolder="$newfolder/";;
    esac
else
    # this is cron job
    if [[ -n "${artist}" && -n "${album}" && -n "${year}" ]]; then
        good=true
        /usr/local/bin/rtcontrol --from-view main \* -qo name hash=${hash} --custom=1="tc_processing"
    else
        echo "Bad or no tags"
        /usr/local/bin/rtcontrol --from-view main \* -qo name hash=${hash} --custom=1="tc_failed"
        subject="Transcode Failed - ${foldername}"
        mail="subject:${subject}\nfrom:${from}\nThe title says it all, but Google wants more, so here is some more text.  This folder could not be transcoded  -Your Friend, Sterns"
        echo -e "$mail" | /usr/sbin/sendmail "$recipients"
        exit
    fi
fi
if ${good}; then
    if [[ "${musicfoldercount}" == "0" ]]; then
      echo
      echo "Great!  Transcoding..."
      mkdir "${downloads}${newfolder}"
      parallel -j${maxthreads} avconv -i {} -codec:v copy -qscale:a 0 {.}.mp3 ::: "${downloads}${foldername}"*.flac
      mv "${downloads}${foldername}"*.{mp3,jpg,png,log,txt} "${downloads}${newfolder}"
      echo "Finished Transcoding."
    else
      for subfoldername in $subfolderlist; do
        mkdir -p "${downloads}${newfolder}${subfoldername}"
        parallel -j${maxthreads} avconv -i {} -codec:v copy -qscale:a 0 {.}.mp3 ::: "${downloads}${foldername}${subfoldername}"*.flac
        mv "${downloads}${foldername}${subfoldername}"*.{mp3,jpg,png,log,txt} "${downloads}${newfolder}${subfoldername}"
        echo "Finished Transcoding a Subfolder"
      done
    fi

    echo "Start Torrent Creation..."
    "${binfolder}"/py3createtorrent.py -P "${downloads}${newfolder}" what -o /home/seeder1/rtorrent/newtorrent/
    newtorrent="${newfolder%/}".torrent
    cp "/home/seeder1/rtorrent/newtorrent/${newtorrent}" "${watchfolder}"
    "${binfolder}"/rtcontrol --from-view main \* -qo name hash=${hash} --custom=1=""
    subject="Transcode Completed - ${foldername}"
    mail="subject:${subject}\nfrom:${from}\nThe title says it all, but Google wants more, so here is some more text.\n \
      https://what.cd/torrents.php?groupname=${hash}"
    echo -e "${mail}" | /usr/sbin/sendmail "${recipients}"
else
    echo
    echo "Aborted!"
    echo
fi