#!/usr/bin/env bash

DIR=`pwd`

printhelp(){
	echo "Usage: `basename $0` [ARGUMENTS] [PATH]"
	echo
	echo "Arguments:"
	echo "	-h --help	- print this help and exit."
	#echo "	-p --psd	- source metadad from psd file (default)."
	#echo "	-r --raw	- source metadad from raw file."
	echo
}

while true ; do
	case $1 in
		-h|--help)
			printhelp
			exit
			;;
		# XXX
		-r|--raw)
			shift
			break
			;;
		# XXX
		-p|--psd)
			shift
			break
			;;
		*)
			break
			;;
	esac
done


# XXX TODO:
# 	- add support for multiple raw formats...
# 	- handle multiple hits -- preferably automatically...
# 	- 
_exifup(){
	local PREVIEW_DIR=$1
	if ! [ -e "$PREVIEW_DIR" ] ; then
		return 1
	fi
	cd "${PREVIEW_DIR}"
	# XXX only jpg???
	local imgs=(*.jpg)
	# XXX
	for img in "${imgs[@]}" ; do
		local name="${img%.jpg}"
		local targets=("$(find . -name "${name}.ARW")")
		if [[ ${#targets[@]} > 1 ]] ; then
			# XXX multiple candidates -> select one... 
			# XXX
			echo '!!!!!!!!!!!'
		fi
		# XXX
		exiv2 ex "${target[0]}"
		mv "${target[0]%.ARW}.exv" .
		exiv2 -k in "${img}"
		rm -f *.exv
	done
}

# XXX add support for getting exif from raw...
#	...this can lead to multiple hits, need a way to decide which 
#	one to use...
exifup(){
	local PREVIEW_DIR=$1
	if [ -e "$PREVIEW_DIR" ] ; then
		echo doing: `pwd`
		exiv2 ex *.psd 2> /dev/null
		mv *.exv "$PREVIEW_DIR" 2> /dev/null
		cd "$PREVIEW_DIR"
		exiv2 -k in *.jpg 2> /dev/null
		rm -f *.exv
		cd ..
	fi
	true
}

IFS=$'\n'
if [[ $1 != "" ]] ; then
	if ! [ -d "$1" ] ; then
		echo "\"$1\": is not a directory."
		exit 1
	fi
	DIRS=($(find "$1" -name 'preview'))
else
	DIRS=($(find . -name 'preview'))
fi
for d in "${DIRS[@]}" ; do
	cd "$d"
	cd ..
	exifup ./preview/
	exifup ./hi-res/
	cd "$DIR"
done