#!/bin/bash

bdir=$1

SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
for bookdir in $(find "$bdir/"openbess* -maxdepth 0 -type d );
do
   
   echo "$bookdir"
   n=0
   SAVEIFS=$IFS
   IFS=$(echo -en "\n\b")
   for nfile in $(find "$bookdir/"*.pdf -type f);
   do
      let "n += 1"
      filepdf="$nfile"
   done
   if [ $n -gt 1 ] || [ $n -lt 1 ]
   then
      echo "ERROR file PDF non unico"
      exit
   fi
   
   mkdir "$bookdir""/pdfs"
   cp "$filepdf" "$bookdir""/pdfs"
   cd "$bookdir""/pdfs"
   
   pdftk "$filepdf" burst output pg-%04d.pdf
   
   n=0
   SAVEIFS=$IFS
   IFS=$(echo -en "\n\b")
   for nfile in $(find pg-*.pdf -type f);
   do
      let "n += 1"
      sn=$(printf "%04d" $n)
      filepdf="$nfile"
      echo "$filepdf"" -> ""$sn.tif"
      
      pdftk "$filepdf" output "temp.pdf"
      
      # For PDF from image
      #	convert -density 150 "temp.pdf" "$sn.tif"
      # For PDF from Word
      convert -background white -flatten -density 600 -resize 1200 -border 0.5% -bordercolor LightGray "temp.pdf" "../""$sn.tif"
      rm "temp.pdf"
   done
   cd ~/clineFC
   rm -R "$bookdir""/pdfs"
done
exit