#!/bin/bash
POOLPATH=$1
CHANGELOGSFOLDER="changelogs" 
DEBSPATH="${POOLPATH}/pool" # /srv/mirror/prueba-changelog/pool
TEMPFOLDERDEB=$(mktemp -d)
UNCOMPRESSEDDEB="${TEMPFOLDERDEB}/deb/" #/tmp/temp654/deb

function buildChangelog(){
	DESTPATH="$1"
	PACKAGESOURCENAME="$2"
	

	CHANGELOGFILE=$(find ${UNCOMPRESSEDDEB} -name changelog.Debian.gz)
	test -e "${CHANGELOGFILE}" || CHANGELOGFILE=$(find ${UNCOMPRESSEDDEB} -name changelog.gz)
	if [ -e "${CHANGELOGFILE}" ]; then
		mkdir -p "${DESTPATH}"
		gunzip "${CHANGELOGFILE}" || echo "${CHANGELOGFILE}"
		cp "${CHANGELOGFILE%*.gz}" "${DESTPATH}/changelog"
		mkdir -p "${DESTPATH}/token/"
		touch "${DESTPATH}/token/${PACKAGESOURCENAME}.changelog"
	else
		PACKAGE="$(basename $DESTPATH)"
		echo "Fail on $PACKAGE"
	fi
}

function buildDesktopInfo(){
	DESTPATH="$1"
	PACKAGENAME="$2"
	DESKTOPFILES=$(find ${UNCOMPRESSEDDEB} -name *.desktop)
	if [ -e "${DESTPATH}/icons" ]; then
		sed -i -e "/^$PACKAGENAME :/d" ${DESTPATH}/icons
	fi
	ICONS=""
	for x in ${DESKTOPFILES}; do
		AUX="$(rgrep -i 'Icon=' $x | sed -e '')"
		if [ "$AUX" != "" ]; then
			mkdir -p "${DESTPATH}"
			echo "${PACKAGENAME} : $AUX" >> ${DESTPATH}/icons
		fi
	done
	mkdir -p "${DESTPATH}/token/"
	touch "${DESTPATH}/token/${PACKAGENAME}.icons"
}


for x in $(find $DEBSPATH -type f -printf "%P\n"); do # 
	rc=0
	echo "$x" | grep -E -q "\.deb$" || rc=1 
	if [ "$rc" != "0" ]; then
		continue
	fi
	#FOLDERDEB=$(echo $x | sed -E -e "s/_all.deb$|_i386.deb$|_amd64.deb$//g")
	FOLDERDEB=$(dirname $x)
	PACKAGESOURCENAME=$(getinfofromdeb ${DEBSPATH}/$x '${Source}_${VersionWithoutEra}')
	PACKAGENAME=$(getinfofromdeb ${DEBSPATH}/$x '${Package}')
	if [ "${PACKAGESOURCENAME}" = "" ]; then
		echo "Falla"
		continue
	fi
	DESTPATH="${POOLPATH}/${CHANGELOGSFOLDER}/pool/${FOLDERDEB}/${PACKAGESOURCENAME}"
	if [ ! -e "${DESTPATH}/token/${PACKAGESOURCENAME}.changelog" -o ! -e "${DESTPATH}/token/${PACKAGENAME}.icons" ] ; then
		mkdir "${UNCOMPRESSEDDEB}"
		dpkg -x "${DEBSPATH}/${x}" "${UNCOMPRESSEDDEB}"
		[ -e "${DESTPATH}/token/${PACKAGESOURCENAME}.changelog" ] || buildChangelog $DESTPATH $PACKAGESOURCENAME
		[ -e "${DESTPATH}/token/${PACKAGENAME}.icons" ] || buildDesktopInfo $DESTPATH $PACKAGENAME
		rm -r ${UNCOMPRESSEDDEB}
	fi
done