#! /bin/bash

#=========================================================
# Wrapper script for feh image viewer with comment support
#=========================================================

SELF="$(realpath "$0")";
EDIT="gvim -f";
ARG="$(echo $1 | sed "s/^file:\/\///g")";
DIR="$(dirname "$ARG")";
if [ -n "$ARG" ];then
	#IMG="$(feh -U "$DIR"|grep "$ARG$")";
	IMG="$DIR/$(basename "$ARG")";
fi

function update(){
	TEMP=$(mktemp);
	exiftool -S -s -b -comment "$1">$TEMP;
	ls -l $TEMP;
	$EDIT $TEMP;
	exiftool -overwrite_original_in_place "-comment<=$TEMP" "$1";
	rm $TEMP;
}

function view(){
	if [ -n "$IMG" ];then
		feh -q --action1 ";$SELF e '%f'" --info "exiftool -S -s -b -comment '%f'" --scale-down --draw-tinted --start-at "$IMG" "$DIR";
	else
		feh -q --action1 ";$SELF e '%f'" --info "exiftool -S -s -b -comment '%f'" --scale-down --draw-tinted "$DIR";
	fi
}

if [ "$1" == "e" ];then
	update "$2";
else
	view "$1";
fi