#!/bin/bash
# Copyright Ken Fallon - Released into the public domain. http://creativecommons.org/publicdomain/ 
#============================================================
# Check input
usage="usage: $(basename $0 ) [ -i ] [ -o ] <fname>, -i to add intro and -o outro, fname is a file with audio for HPR"

# Argument = -t test -r server -p password -v

echoerr() 
{ 
echo "$@" 1>&2; 
}

usage()
{
cat << EOF
usage: $0 [options] {media file to encode} {episode number}

OPTIONS:
   -h      Show this message
   -p      add a promo
   -i      add the intro
   -s      Automatically generate the summary
   -o      add the outro
   -b      add the intro and outro ( and summary default)
   -2      encode to 2 channels
   -n      no audio normalization
   -x      eXclude sponsor mention
   
EOF
}

TEMP_DIR="/var/tmp/"
CHANNELS="1"
FIXAUDIO="1"
ADDSUMMARY="n"
ADDINTRO="n"
ADDPROMO="n"
ADDOUTRO="n"
ADDSPONSOR="y"
ARTIST="EMPTY"
TITLE="EMPTY"
YEAR="EMPTY"
SLOT="EMPTY"
basedir="/var/IA"
intro="${basedir}/intro.flac"
promo="${basedir}/promo.flac"
outro="${basedir}/outro.flac"
anhonesthost="${basedir}/sponsor-anhonesthost.com-hpr15.flac"
internetarchive="${basedir}/sponsor-archive.org.flac"

while getopts "hipsob2nx" OPTION
do
     case $OPTION in
         h)
             usage
             exit 1
             ;;
         s)
             ADDSUMMARY="y"
             ;;
         i)
             ADDINTRO="y"
             ;;
         p)
             ADDPROMO="y"
             ;;
         o)
             ADDOUTRO="y"
             ;;
         b)
             ADDINTRO="y"
             ADDOUTRO="y"
             ;;
         2) 
             CHANNELS="2"
             ;;
         n)
             FIXAUDIO="0"
             ;;         
         x)
             ADDSPONSOR="n"
             ;;         
         ?)
             usage
             exit
             ;;
     esac
done

shift $(($OPTIND - 1))

if [ "$#" -ne 2 ]; then
    echoerr "Please enter the source file and episode number"
    exit
fi

mediafile=${1}
ep_num=${2}

ep_num=$(echo $ep_num | sed 's/hpr//g')
re='^[0-9]+$'
if ! [[ $ep_num =~ $re ]] ; then
   echoerr "error: episode \"${ep_num}\" is not a number"
   exit 1
fi

if [ ! -f "${anhonesthost}" ]; then
  echoerr "sorry, file \"${anhonesthost}\" does not exist"
  exit 1
fi

if [ ! -f "${internetarchive}" ]; then
  echoerr "sorry, file \"${internetarchive}\" does not exist"
  exit 1
fi

if [ ! -f "${intro}" ]; then
  echoerr "sorry, file \"intro.flac\" does not exist"
  exit 1
fi

if [ "$ADDPROMO" = 'y' ]; then
  if [ ! -f "${promo}" ]; then
    echoerr "sorry, file \"promo.flac\" does not exist"
    exit 1
  fi
fi

if [ ! -f "${outro}" ]; then
  echoerr "sorry, file \"outro.flac\" does not exist"
  exit 1
fi

if [ ! -f "${mediafile}" ]; then
  echoerr "sorry, media file \"${mediafile}\" does not exist"
  exit
fi

if [ ! -r "${mediafile}" ]; then
  echoerr "sorry, media file \"${mediafile}\" is not readable"
  exit
fi

if [ $(ffprobe "${mediafile}" 2>&1 | grep "Audio:" | wc -l ) -eq 0 ]; then
  echoerr "sorry, media file \"${mediafile}\" has no audio track"
  exit
fi

# extract file name and extension
media_dir=$(dirname ${mediafile})
fname=${mediafile%.*}
ext=${mediafile/*./}

if [ "$ADDSUMMARY" = 'n' ]; then
  if [ ! -e "${media_dir}/summary.wav" ]
  then
    echoerr "ERROR: Can not find the summary file \"${media_dir}/summary.wav\""
    wget -O- --timeout=10 --tries=1 --quiet http://hackerpublicradio.org/say.php?id=${ep_num} | grep HPR_summary
    exit 1
  fi
fi

if [[ -e hpr${ep_num}.wav ]] || [[ -e hpr${ep_num}.mp3 ]] || [[ -e hpr${ep_num}.ogg ]] || [[ -e hpr${ep_num}.spx ]] || [[ -e hpr${ep_num}_summary.wav ]] || [[ -e ${fname}_mez_norm.wav ]] || [[ -e ${fname}_mez.wav ]] || [[ -e ${fname}_sox_norm.wav ]] || [[ -e ${fname}_sox.wav ]] || [[ -e ${fname}_tmp_hh.pcm ]] || [[ -e ${fname}_tmp_ia.pcm ]] || [[ -e ${fname}_tmp.log ]]
then
  echoerr "Files for this episode already exist."
  ls -1 hpr${ep_num}* ${fname}_* 2>/dev/null
  exit 1
fi

echo "--------------------------------------------------------------------------------"
echo "Geting metadata for hpr${ep_num}"

while read -r line
do
  field=$(echo $line | awk -F ':' '{print $1}')
  case $field in
  "HPR_summary")
      HPR_summary=$(echo $line | grep "HPR_summary: " | cut -c 14- )
      continue
      ;;
  "HPR_album")
     HPR_album=$(echo $line | grep "HPR_album: " | cut -c 12- )
      continue
      ;;
  "HPR_artist")
    HPR_artist=$(echo $line | grep "HPR_artist: "  | cut -c 13- )
      continue
      ;;
  "HPR_comment")
    HPR_comment=$(echo $line | grep "HPR_comment: " | cut -c 14- )
      continue
      ;;
  "HPR_genre")
    HPR_genre=$(echo $line | grep "HPR_genre: " | cut -c 12- )
      continue
      ;;
  "HPR_title")
    HPR_title=$(echo $line | grep "HPR_title: " | cut -c 12- )
      continue
      ;;
  "HPR_track")
    HPR_track=$(echo $line | grep "HPR_track: " | cut -c 12- )
      continue
      ;;
  "HPR_year")
    HPR_year=$(echo $line | grep "HPR_year: " | cut -c 11- )
      continue
      ;;
  "HPR_duration")
    HPR_duration=$(echo $line | grep "HPR_duration: " | cut -c 15- )
      continue
      ;;
  "HPR_explicit")
    HPR_explicit=$(echo $line | grep "HPR_explicit: " | cut -c 15- )
      continue
      ;;
  "HPR_license")
    HPR_license=$(echo $line | grep "HPR_license: " | cut -c 14- )
      continue
      ;;
  esac
done < <( wget --timeout=10 --tries=1 --quiet http://hackerpublicradio.org/say.php?id=${ep_num} -O - )

if [[ -z "$ADDINTRO" || -z "$ADDPROMO" || -z "$ADDSUMMARY" || -z "$ADDOUTRO" || -z "$HPR_album" || -z "$HPR_artist" || -z "$HPR_comment" || -z "$HPR_genre" || -z "$HPR_title" || -z "$HPR_track" || -z "$HPR_year" || -z "$HPR_summary" || -z "$HPR_duration" || -z "$HPR_explicit" || -z "$HPR_license" ]]
then
  echoerr "Could not find information on ${ep_num}. Has the show been posted ?"
  exit;
fi
echo "--------------------------------------------------------------------------------"
echo "Add intro   : $ADDINTRO"
echo "Add promo   : $ADDPROMO"
echo "Add Summary : $ADDSUMMARY"
echo "Add outro   : $ADDOUTRO"
echo "album       : $HPR_album"
echo "artist      : $HPR_artist"
echo "comment     : $HPR_comment"
echo "genre       : $HPR_genre"
echo "title       : $HPR_title"
echo "track       : $HPR_track"
echo "year        : $HPR_year"
echo "summary     : $HPR_summary"
echo "duration    : $HPR_duration"
echo "explicit    : $HPR_explicit"
echo "license     : $HPR_license"

if [[ $HPR_duration == "0" ]]
then
  echoerr "The duration is set to 0. Please update the show with the correct time."
  exit;
fi

#============================================================
# Preproc`s the source file

echo "--------------------------------------------------------------------------------"
echo "Prepare mezzanine file"
ffmpeg -i ${mediafile} -ar 44100 -ac $CHANNELS ${fname}_sox.wav > ${fname}_tmp.log 2>&1

if [ "$FIXAUDIO" = "1" ];then 
	echo "normalizing audio"
	sox --temp "${TEMP_DIR}" --norm ${fname}_sox.wav ${fname}_sox_norm.wav
	mv -v ${fname}_sox_norm.wav ${fname}_sox.wav >> ${fname}_tmp.log 2>&1
#	normalize -a 0.5 ${fname}_sox.wav >> ${fname}_tmp.log 2>&1
fi

echo "--------------------------------------------------------------------------------"
echo "Add HPR Branding"

if [ "$ADDSUMMARY" = 'y' ]; then
  echo "Creating the summary"
  #echo "$HPR_summary" - | espeak -w hpr${ep_num}_summary.wav
  echo "$HPR_summary" - | text2wave - -o hpr${ep_num}_summary.wav #festival --tts
  #echo "${HPR_summary}" | gtts-cli - --output hpr${ep_num}_summary.mp3
  #ffmpeg -i hpr${ep_num}_summary.mp3 hpr${ep_num}_summary.wav
  #rm -v hpr${ep_num}_summary.mp3
else
  echo "Copying the supplied summary"
  if [ ! -e "${media_dir}/summary.wav" ]
  then
    echoerr "ERROR: Can not find the summary file \"${media_dir}/summary.wav\"" 
    exit 1
  fi
  cp -v "${media_dir}/summary.wav" hpr${ep_num}_summary.wav
fi

ffmpeg -i hpr${ep_num}_summary.wav -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log
ffmpeg -i hpr${ep_num}_summary.wav -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log
rm hpr${ep_num}_summary.wav

if [ "$ADDSPONSOR" = 'y' ]; then
  echo "Adding the sponsor"
  ffmpeg -i "$anhonesthost" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log
  ffmpeg -i "$internetarchive" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log
else
  echo "NOT Adding the sponsor"
fi

if [ "$ADDPROMO" = 'y' ]; then
  echo "Adding the promo"
  ffmpeg -i "$promo" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log 
  ffmpeg -i "$promo" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log 
fi

if [ "$ADDINTRO" = 'y' ]; then
  echo "Adding the intro"
  ffmpeg -i "$intro" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log 
  ffmpeg -i "$intro" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log 
fi

echo "convert the uploaded episode and add it to the temp pcm file"
ffmpeg -i ${fname}_sox.wav -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log 
ffmpeg -i ${fname}_sox.wav -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log 

if [ "$ADDOUTRO" = 'y' ]; then
  echo "Adding the outro"
  ffmpeg -i "$outro" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_hh.pcm 2>> ${fname}_tmp.log 
  ffmpeg -i "$outro" -ar 44100 -ac $CHANNELS -acodec pcm_s16le -f s16le - >> ${fname}_tmp_ia.pcm 2>> ${fname}_tmp.log 
fi

echo "Convert the pcm file to a know wav format"
ffmpeg -f s16le -ar 44100 -ac $CHANNELS -acodec pcm_s16le -i ${fname}_tmp_hh.pcm ${fname}_mez.wav 2>> ${fname}_tmp.log 
ffmpeg -f s16le -ar 44100 -ac $CHANNELS -acodec pcm_s16le -i ${fname}_tmp_ia.pcm hpr${ep_num}.wav 2>> ${fname}_tmp.log 

echo "Normalizing the wav files"
sox --temp "${TEMP_DIR}" --norm ${fname}_mez.wav ${fname}_mez_norm.wav
mv -v ${fname}_mez_norm.wav ${fname}_mez.wav >> ${fname}_tmp.log 2>&1
# normalize -a 0.5 ${fname}_mez.wav >> ${fname}_tmp.log 2>&1
sox --temp "${TEMP_DIR}" --norm hpr${ep_num}.wav hpr${ep_num}_norm.wav
mv -v hpr${ep_num}_norm.wav /var/IA/uploads/hpr${ep_num}.wav >> ${fname}_tmp.log 2>&1
# normalize -a 0.5 hpr${ep_num}.wav >> ${fname}_tmp.log 2>&1

echo "--------------------------------------------------------------------------------"
echo "File information"
ffprobe ${fname}_mez.wav 2>&1 | grep Audio:
mediainfo ${fname}_mez.wav

echo "--------------------------------------------------------------------------------"
echo "Convert to opus for IA"
opusenc hpr${ep_num}.wav /var/IA/uploads/hpr${ep_num}.opus

echo "--------------------------------------------------------------------------------"
echo "Convert to flac for IA"
sox --temp "${TEMP_DIR}" -S hpr${ep_num}.wav /var/IA/uploads/hpr${ep_num}.flac

echo "--------------------------------------------------------------------------------"
echo "Convert to mp3 for HPR"
sox --temp "${TEMP_DIR}" -S ${fname}_mez.wav hpr${ep_num}.mp3
echo "Convert to mp3 for IA"
sox --temp "${TEMP_DIR}" -S hpr${ep_num}.wav /var/IA/uploads/hpr${ep_num}.mp3

echo "--------------------------------------------------------------------------------"
echo "Convert to ogg for HPR"
sox --temp "${TEMP_DIR}" -S ${fname}_mez.wav hpr${ep_num}.ogg
echo "Convert to ogg for IA"
sox --temp "${TEMP_DIR}" -S hpr${ep_num}.wav /var/IA/uploads/hpr${ep_num}.ogg

echo "--------------------------------------------------------------------------------"
echo "Convert to spx for HPR"
sox --temp "${TEMP_DIR}" -S ${fname}_mez.wav -c 1 -r 16000 -t wav  - | speexenc - hpr${ep_num}.spx
echo "Convert to spx for IA"
sox --temp "${TEMP_DIR}" -S hpr${ep_num}.wav -c 1 -r 16000 -t wav  - | speexenc - /var/IA/uploads/hpr${ep_num}.spx


if [[ ! -s /var/IA/uploads/hpr${ep_num}.wav ]] || [[ ! -s /var/IA/uploads/hpr${ep_num}.mp3 ]] || [[ ! -s /var/IA/uploads/hpr${ep_num}.ogg ]] || [[ ! -s /var/IA/uploads/hpr${ep_num}.spx ]] || [[ ! -s hpr${ep_num}.mp3 ]] || [[ ! -s hpr${ep_num}.ogg ]] || [[ ! -s hpr${ep_num}.spx ]]
then
  echoerr "ERROR: Something went wrong encoding the files"
  exit 1
fi

fix_tags -album="$HPR_album" -artist="$HPR_artist" -comment="${HPR_comment} The license is ${HPR_license}" -genre="$HPR_genre" -title="$HPR_title" -track="$HPR_track" -year="$HPR_year" hpr${ep_num}* 2>> ${fname}_tmp.log 1>&2
fix_tags -album="$HPR_album" -artist="$HPR_artist" -comment="$HPR_comment" -genre="$HPR_genre" -title="$HPR_title" -track="$HPR_track" -year="$HPR_year" /var/IA/uploads/hpr${ep_num}* 2>> ${fname}_tmp.log 1>&2
fix_tags hpr${ep_num}*
fix_tags /var/IA/uploads/hpr${ep_num}*

#echo "Changing the file dates to the time of upload"
touch -r ${mediafile} hpr${ep_num}*
touch -r ${mediafile} /var/IA/uploads/hpr${ep_num}*


rsync -ave ssh --partial --progress --ignore-existing hpr${ep_num}.mp3 hpr${ep_num}.ogg hpr${ep_num}.spx hpr:www/eps/

firefox http://hackerpublicradio.org/local/hpr${ep_num}.mp3
firefox http://hackerpublicradio.org/local/hpr${ep_num}.ogg
firefox file:///var/IA/uploads/hpr${ep_num}.mp3
firefox file:///var/IA/uploads/hpr${ep_num}.ogg

echo "Source: $( mediainfo --Output=XML --Full "${mediafile}" | xmlstarlet sel -T -t -m '/_:MediaInfo/_:media/_:track[@type="Audio"]' -v '_:Duration' -n | awk -F '.' '{print $1}' )"
mediainfo --Output=XML --Full hpr${ep_num}* /var/IA/uploads/hpr${ep_num}* | xmlstarlet sel -T -t -m '/_:MediaInfo/_:media/_:track[@type="Audio"]' -v '_:Duration' -n | awk -F '.' '{print $1}' | sort | uniq -c

read -p "Remove files for \"${fname}\" (y|N) ? " -n 1 -r
echo    # (optional) move to a new line
if [[ $REPLY =~ ^[Yy]$ ]]
then
  mediafilename=$(basename "${mediafile}")
  mediaextension="${mediafilename##*.}"

  ssh hpr -t "mkdir /home/hpr/www/eps/hpr${ep_num}" >/dev/null 2>&1
  rsync -ave ssh --partial --progress --ignore-existing "${mediafile}" hpr:www/eps/hpr${ep_num}/hpr${ep_num}_source.${mediaextension}
  ssh hpr -t "ls -al /home/hpr/www/eps/hpr${ep_num}*" 
  cp -v "${mediafile}" "/var/IA/uploads/hpr${ep_num}_source.${mediaextension}"

  #echo "Remove temp files"
  rm -v ${fname}_sox.wav ${fname}_tmp*.pcm ${fname}_tmp.log ${fname}_mez.wav
  mv -v ${fname}* hpr${ep_num}*  *_${ep_num}_* /var/IA/done/
  wget --timeout=0 -q "http://hackerpublicradio.org/hpr_ogg_rss.php?gomax=1" -O - | xmlstarlet val --err -
  wget --timeout=0 -q "http://hackerpublicradio.org/hpr_mp3_rss.php?gomax=1" -O - | xmlstarlet val --err -
  wget --timeout=0 -q "http://hackerpublicradio.org/hpr_spx_rss.php?gomax=1" -O - | xmlstarlet val --err -

  #rsync -ave ssh --partial --progress /var/IA/uploads/ hpr:/home/hpr/upload/processed/
  rsync -ave ssh --partial --progress /var/IA/uploads/ borg:/data/IA/uploads/
  find /var/IA/done/ -empty -delete
else
  echo "skipping...."
  echo "cp -v \"${mediafile}\" \"/var/IA/uploads/hpr${ep_num}_source.${mediaextension}\""
  echo "rm -v ${fname}_sox.wav ${fname}_tmp*.pcm ${fname}_tmp.log ${fname}_mez.wav"
  echo "mv -v ${fname}* hpr${ep_num}*  *_${ep_num}_* /var/IA/done/"
  echo "wget --timeout=0 -q \"http://hackerpublicradio.org/hpr_ogg_rss.php?gomax=1\" -O - | xmlstarlet val --err -"
  echo "wget --timeout=0 -q \"http://hackerpublicradio.org/hpr_mp3_rss.php?gomax=1\" -O - | xmlstarlet val --err -"
  echo "wget --timeout=0 -q \"http://hackerpublicradio.org/hpr_spx_rss.php?gomax=1\" -O - | xmlstarlet val --err -"
  echo "rsync -ave ssh --partial --progress /var/IA/uploads/ borg:/data/IA/uploads/"
fi