#!/bin/bash

#    IngRRD (https://forge.riquer.fr/p/ingrrd/)
#    Copyright (C) 2014-2015  Vincent Riquer
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

import_images() {
	local starttime=$(date +%s) imagetime timestamp elapsed lasttime now
	exec >> images.log
	exec 2>> images.log
	declare -r oldIFS="$IFS"
	[[ -r .importing ]] && return 2
	[[ -w "$rrdfile" ]] || rrdcreate
	readlast
	for file in dav/profile_*.png
	do
		[[ -r "$file" ]] || continue
		IFS=_.
		read junk date time junk <<<"$file"
		IFS="$oldIFS"
		if (( $(date '+%Y%m%d%H%M%S' -d "@${last[time]}") <  $date$time ))
		then
			(( count++ ))
			lasttime=${now:-$starttime}
			echo "${file##*/}" > .importing
			imagetime="${date:0:4}/${date:4:2}/${date:6:2} ${time:0:2}:${time:2:2}:${time:4:2}"
			echo "$(date +"%Y/%m/%d:%H:%M:%S") - $file: $imagetime"
			timestamp=$(date +%s -d "$imagetime")
			image "$file" $timestamp
			now=$(date +%s)
			echo $'\tDuration: '$(( now - lasttime ))
		fi
	done
	elapsed=$(( $(date +%s) - starttime ))
	(( count )) && echo "$(date +"%Y/%m/%d:%H:%M:%S"): Imported $count file(s) in $elapsed seconds."
	rm -f .importing
}