IngRRD/lib/image

#!/bin/bash

#    IngRRD (https://forge.riquer.fr/p/ingrrd/)
#    Copyright (C) 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/>.

image() {
	exec 2>&1
	local timestamp=$2
	declare -A values

	tmpfile=$(mktemp --suffix=.png)
	convert -contrast "$1" "$tmpfile"
	readarray -t tactout < <(tesseract -l eng -psm 4 "$tmpfile" stdout)
	rm "$tmpfile"

	for line in "${tactout[@]}"
	do
		case "$line" in
			#14,522,411 AP 144mm AP
			*' AP'*)
				read value junk <<<"$line"
				values[AP]=${value//,/}
			;;
			#Unique Portals Visited 718
			'Unique Portals Visited'*)
				value="${line#Unique Portals Visited }"
				read values[Explorer] junk <<<"${value//,}"
			;;
			#Portals Discovered 9
			'Portals Discovered'*)
				value="${line#Portals Discovered }"
				read values[Seer] junk <<<"${value//,/}"
			;;
			#XM Collected 130,908,527 XM
			'XM Collected'*)
				value="${line#XM Collected}"
				read values[XM] junk <<<"${value//,/}"
			;;
			#Distance Walked 1,785 km
			'Distance Walked'*)
				value="${line#Distance Walked }"
				read values[Walked] junk <<<"${value//,/}"
			;;
			#Resonators Deployed 24,451
			'Resonators Deployed'*)
				value="${line#Resonators Deployed }"
				read values[Builder] junk <<<"${value//,/}"
			;;
			#Links Created 4,479
			'Links Created'*)
				value="${line#Links Created }"
				read values[Connector] junk <<<"${value//,/}"
			;;
			#Control Fields Created 2,340
			'Control Fields Created'*)
				value="${line#Control Fields Created }"
				read values[Mind_Controller] junk <<<"${value//,/}"
			;;
			#Mind Units Captured 155,815 MUs
			'Mind Units Captured'*)
				value="${line#Mind Units Captured }"
				read values[MU] junk <<<"${value//,/}"
			;;
			#Longest Link Ever Created 3 km
			'Longest Link Ever Created'*)
				value="${line#Longest Link Ever Created }"
				read values[Longest_Link] junk <<<"${value//,/}"
			;;
			#Largest Control Field 11,588 MUs
			'Largest Control Field'*)
				value="${line#Largest Control Field }"
				read values[Largest_Field] junk <<<"${value//,/}"
			;;
			#XM Recharged 92,120,959 XM
			'XM Recharged'*)
				value="${line#XM Recharged }"
				read values[Recharger] junk <<<"${value//,/}"
			;;
			#Portals Captured 2,022
			'Portals Captured'*)
				value="${line#Portals Captured }"
				read values[Liberator] junk <<<"${value//,/}"
			;;
			#Unique Portals Captured 375
			'Unique Portals Captured'*)
				value="${line#Unique Portals Captured }"
				read values[Pioneer] junk <<<"${value//,/}"
			;;
			#Mods Deployed 995
			'Mods Deployed'*)
				value="${line#Mods Deployed }"
				read values[Engineer] junk <<<"${value//,/}"
			;;
			#Resonators Destroyed 15,855
			'Resonators Destroyed'*)
				value="${line#Resonators Destroyed }"
				read values[Purifier] junk <<<"${value//,/}"
			;;
			#Portals Neutralized 2,145
			'Portals Neutralized'*)
				value="${line#Portals Neutralized }"
				read values[Neutralized] junk <<<"${value//,/}"
			;;
			#Enemy Links Destroyed 2,725
			'Enemy Links Destroyed'*)
				value="${line#Enemy Links Destroyed }"
				read values[Links_Destroyed] junk <<<"${value//,/}"
			;;
			#Enemy Control Fields Destroyed 1,418
			'Enemy Control Fields Destroyed'*)
				value="${line#Enemy Control Fields Destroyed }"
				read values[Fields_Destroyed] junk <<<"${value//,/}"
			;;
			#Max Time Portal Held 105 days
			'Max Time Portal Held'*)
				value="${line#Max Time Portal Held }"
				read values[Guardian] junk <<<"${value//,/}"
			;;
			#Max Time Link Maintained 75 days
			'Max Time Link Maintained'*)
				value="${line#Max Time Link Maintained }"
				read values[Link_Maintained] junk <<<"${value//,/}"
			;;
			#Max Link Length x Days 89 km-days
			'Max Link Length x Days'*)
				value="${line#Max Link Length x Days }"
				read values[Link_Length_x_Days] junk <<<"${value//,/}"
			;;
			#Max Time Field Held 55 days
			'Max Time Field Held'*)
				value="${line#Max Time Field Held }"
				read values[Field_Held] junk <<<"${value//,/}"
			;;
			#Largest Field MUs x Days 58,959 MU-days
			'Largest Field MUs x Days'*)
				value="${line#Largest Field MUs x Days }"
				read values[Field_x_Days] junk <<<"${value//,/}"
			;;
			#Unique Missions Completed 1
			'Unique Missions Completed'*)
				value="${line#Unique Missions Completed }"
				read values[Mercenary] junk <<<"${value//,/}"
			;;
			#Hacks 25,741
			'Hacks'*)
				value="${line#Hacks }"
				read values[Hacker] junk <<<"${value//,/}"
			;;
			#Glyph Hack Points 1,022
			'Glyph Hack Points'*)
				value="${line#Glyph Hack Points }"
				read values[Translator] junk <<<"${value//,/}"
			;;
			#Agents Recruited 1
			'Agents Recruited'*)
				value="${line#Agents Recruited }"
				read values[Recruiter] junk <<<"${value//,/}"
			;;
		esac
	done

	template="${!values[@]}"
	updatevalues="${values[@]}"

	rrdtool update "$rrdfile" -t "${template// /:}" "$timestamp:${updatevalues// /:}"
}