#!/bin/bash
  #
  # Copyright 2014  Gaurav Kumar.   Apache 2.0
  # The input is the Callhome Spanish Dataset. (*.sph files)
  # In addition the transcripts are needed as well.
  # To be run from one directory above this script.
  
  # Note: when creating your own data preparation scripts, it's a good idea
  # to make sure that the speaker id (if present) is a prefix of the utterance
  # id, that the output scp file is sorted on utterance id, and that the
  # transcription file is exactly the same length as the scp file and is also
  # sorted on utterance id (missing transcriptions should be removed from the
  # scp file using e.g. scripts/filter_scp.pl)
  
  stage=0
  
  export LC_ALL=C
  
  
  if [ $# -lt 2 ]; then
     echo "Arguments should be the location of the Callhome Spanish Speech and Transcript Directories, se
  e ../run.sh for example."
     exit 1;
  fi
  
  cdir=`pwd`
  dir=`pwd`/data/local/data
  local=`pwd`/local
  utils=`pwd`/utils
  tmpdir=`pwd`/data/local/tmp
  
  . ./path.sh || exit 1; # Needed for KALDI_ROOT
  export PATH=$PATH:$KALDI_ROOT/tools/irstlm/bin
  sph2pipe=$KALDI_ROOT/tools/sph2pipe_v2.5/sph2pipe
  if [ ! -x $sph2pipe ]; then
     echo "Could not find (or execute) the sph2pipe program at $sph2pipe";
     exit 1;
  fi
  cd $dir
  
  # Make directory of links to the WSJ disks such as 11-13.1.  This relies on the command
  # line arguments being absolute pathnames.
  #rm -r links/ 2>/dev/null
  mkdir -p links/
  ln -s $* links
  
  # Basic spot checks to see if we got the data that we needed
  if [ ! -d links/LDC96S35 -o ! -d links/LDC96T17 ];
  then
          echo "The speech and the data directories need to be named LDC96S35 and LDC96T17 respecti
  vely"
          exit 1;
  fi
  
  if [ ! -d links/LDC96S35/CALLHOME/SPANISH/SPEECH/DEVTEST -o ! -d links/LDC96S35/CALLHOME/SPANISH/SPEECH/EVLTEST -o ! -d links/LDC96S35/CALLHOME/SPANISH/SPEECH/TRAIN ];
  then
          echo "Dev, Eval or Train directories missing or not properly organised within the speech data dir"
          exit 1;
  fi
  
  #Check the transcripts directories as well to see if they exist
  if [ ! -d links/LDC96T17/callhome_spanish_trans_970711/transcrp/devtest -o ! -d links/LDC96T17/callhome_spanish_trans_970711/transcrp/evltest -o ! -d links/LDC96T17/callhome_spanish_trans_970711/transcrp/train ]
  then
          echo "Transcript directories missing or not properly organised"
          exit 1;
  fi
  
  speech_train=$dir/links/LDC96S35/CALLHOME/SPANISH/SPEECH/TRAIN
  speech_dev=$dir/links/LDC96S35/CALLHOME/SPANISH/SPEECH/DEVTEST
  speech_test=$dir/links/LDC96S35/CALLHOME/SPANISH/SPEECH/EVLTEST
  transcripts_train=$dir/links/LDC96T17/callhome_spanish_trans_970711/transcrp/train
  transcripts_dev=$dir/links/LDC96T17/callhome_spanish_trans_970711/transcrp/devtest
  transcripts_test=$dir/links/LDC96T17/callhome_spanish_trans_970711/transcrp/evltest
  
  fcount_train=`find ${speech_train} -iname '*.SPH' | wc -l`
  fcount_dev=`find ${speech_dev} -iname '*.SPH' | wc -l`
  fcount_test=`find ${speech_test} -iname '*.SPH' | wc -l`
  fcount_t_train=`find ${transcripts_train} -iname '*.txt' | wc -l`
  fcount_t_dev=`find ${transcripts_dev} -iname '*.txt' | wc -l`
  fcount_t_test=`find ${transcripts_test} -iname '*.txt' | wc -l`
  
  #Now check if we got all the files that we needed
  if [ $fcount_train != 80 -o $fcount_dev != 20 -o $fcount_test != 20 -o $fcount_t_train != 80 -o $fcount_t_dev != 20 -o $fcount_t_test != 20 ];
  then
          echo "Incorrect number of files in the data directories"
          echo "The paritions should contain 80/20/20 files"
          exit 1;
  fi
  
  if [ $stage -le 0 ]; then
    #Gather all the speech files together to create a file list
    (
        find $speech_train -iname '*.sph';
        find $speech_dev -iname '*.sph';
        find $speech_test -iname '*.sph';
    )  > $tmpdir/callhome_train_sph.flist
  
    #Get all the transcripts in one place
  
    (
      find $transcripts_train -iname '*.txt';
      find $transcripts_dev -iname '*.txt';
      find $transcripts_test -iname '*.txt';
    )  > $tmpdir/callhome_train_transcripts.flist
  
  fi
  
  if [ $stage -le 1 ]; then
    $local/callhome_make_trans.pl $tmpdir
    mkdir -p $dir/callhome_train_all
    mv $tmpdir/callhome_reco2file_and_channel $dir/callhome_train_all/
  fi
  
  if [ $stage -le 2 ]; then
    sort $tmpdir/callhome.text.1 | sed 's/^\s\s*|\s\s*$//g' | sed 's/\s\s*/ /g' > $dir/callhome_train_all/callhome.text
  
    #Create segments file and utt2spk file
    ! cat $dir/callhome_train_all/callhome.text | perl -ane 'm:([^-]+)-([AB])-(\S+): || die "Bad line $_;"; print "$1-$2-$3 $1-$2
  "; ' > $dir/callhome_train_all/callhome_utt2spk \
    && echo "Error producing utt2spk file" && exit 1;
  
    cat $dir/callhome_train_all/callhome.text | perl -ane 'm:((\S+-[AB])-(\d+)-(\d+))\s: || die; $utt = $1; $reco = $2;
   $s = sprintf("%.2f", 0.01*$3); $e = sprintf("%.2f", 0.01*$4); print "$utt $reco $s $e
  "; ' >$dir/callhome_train_all/callhome_segments
  
    $utils/utt2spk_to_spk2utt.pl <$dir/callhome_train_all/callhome_utt2spk > $dir/callhome_train_all/callhome_spk2utt
  fi
  
  if [ $stage -le 3 ]; then
    for f in `cat $tmpdir/callhome_train_sph.flist`; do
      # convert to absolute path
      make_absolute.sh $f
    done > $tmpdir/callhome_train_sph_abs.flist
  
    cat $tmpdir/callhome_train_sph_abs.flist | perl -ane 'm:/([^/]+)\.SPH$: || die "bad line $_; ";  print lc($1)," $_"; ' > $tmpdir/callhome_sph.scp
    cat $tmpdir/callhome_sph.scp | awk -v sph2pipe=$sph2pipe '{printf("%s-A %s -f wav -p -c 1 %s |
  ", $1, sph2pipe, $2); printf("%s-B %s -f wav -p -c 2 %s |
  ", $1, sph2pipe, $2);}' | \
    sort -k1,1 -u  > $dir/callhome_train_all/callhome_wav.scp || exit 1;
  fi
  
  if [ $stage -le 4 ]; then
    # Build the speaker to gender map, the temporary file with the speaker in gender information is already created by fsp_make_trans.pl.
    cd $cdir
    #TODO: needs to be rewritten
    $local/callhome_make_spk2gender.sh > $dir/callhome_train_all/callhome_spk2gender
  fi
  
  # Rename files from the callhome directory
  if [ $stage -le 5 ]; then
      cd $dir/callhome_train_all
      mv callhome.text text
      mv callhome_segments segments
      mv callhome_spk2utt spk2utt
      mv callhome_wav.scp wav.scp
      mv callhome_reco2file_and_channel reco2file_and_channel
      mv callhome_spk2gender spk2gender
      mv callhome_utt2spk utt2spk
      cd $cdir
  fi
  
  fix_data_dir.sh $dir/callhome_train_all || exit 1
  utils/validate_data_dir.sh --no-feats $dir/callhome_train_all || exit 1
  
  echo "CALLHOME spanish Data preparation succeeded."
  
  exit 0;