#!/bin/sh
#
# Run frpost convertImages-no-full-page on a hierarchy
#
# Usage: image-all.sh [-no-overwrite] <img-src-root> <img-dest-root>

OVER=1
if [ "$1" = "-no-overwrite" ]; then
#   n.b. this checks for existence of log file and if present will skip directory
	OVER=0
	echo "Not overwriting files"
	shift
fi

SRCDIR=$1
OCRDIR=$1
DSTDIR=$2
CAPDIR=$2

TGZ=0

if [ ! -d "$SRCDIR" -o ! -d "$OCRDIR" -o "$DSTDIR" = "" -o "$CAPDIR" = "" ]; then
	echo "Usage: image-all.sh imgdir destdir"
	exit 1
fi

mkdir -p "${DSTDIR}"
mkdir -p "${CAPDIR}"
if [ ! -d "${DSTDIR}" ]; then
	echo "Unable to create directory: ${DSTDIR}"
	exit 2
fi
if [ ! -d "${CAPDIR}" ]; then
	echo "Unable to create directory: ${CAPDIR}"
	exit 2
fi

echo "Finding directories to process..."
find "$SRCDIR" -mindepth 0 -maxdepth 1 -type d | while read dir; do
	dst=${DSTDIR}`echo $dir | sed "s#$SRCDIR##"`
	cap=${CAPDIR}`echo $dir | sed "s#$SRCDIR##"`
	ocr=${OCRDIR}`echo $dir | sed "s#$SRCDIR##"`

	echo "*** Checking dir: ${dir} for isDataDirectory"
	if [ -f "${dir}/isDataDirectory" ]; then
		dir=${dir}/output/FRCapture/images
		dst=${dst}/images
		ocr=${ocr}/output/OCR
		cap=${cap}/output/FRPost
		echo "*** ${dir}/isDataDirectory ***"
	else 
		echo "!!! Skipping non isDataDirectory"
		continue;
	fi

	mkdir -p "${dst}"
	mkdir -p "${cap}"
	if [ "$OVER" = 0 -a -f "${dst}/../_imageprocess_.log" ]; then
		echo "!!! Not overwriting data; _imageprocess_.log exists"
		continue;
	fi
#continue

	echo "*** Processing directory: $dir to $dst ***"
	(
		echo "*** Processing directory: $dir to $dst ***"
		# untar/zip
		if [ $TGZ = 1 -a -f "$ocr/../OCR.tar.gz" ]; then
			echo "*** Untar/gzip .ptx contents"
			gnutar -C "$ocr/.." -xzvf OCR.tar.gz 
		fi
		
		echo "*** frpost.sh --image-source-directory=$dir --image-source-pattern=\\d{7}.pdf --image-output-directory=$dst --ocr-source-directory=$ocr --caption-output-directory=$cap --action=convertImages-no-full-page --threads=12"
		frpost.sh --image-source-directory=$dir --image-source-pattern=\\d{7}.pdf --image-output-directory=$dst --ocr-source-directory=$ocr --caption-output-directory=$cap --action=convertImages-no-full-page --threads=12

		# tgz the OCR .ptx files, we're done with 'em
		if [ $TGZ = 1 ]; then
			echo "*** Archiving OCR files"
			cd "$ocr/.."
			gnutar -czvf OCR.tar.gz ./OCR --remove-files
		fi	
	) > "${dst}/../_imageprocess_.log"
	
done

exit 0