#!/bin/sh
#
# Copyright (C) 2012, 2016, 2017  Etersoft
# Copyright (C) 2012, 2016, 2017  Vitaly Lipatov <lav@etersoft.ru>
#
# 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/>.
#

load_helper epm-sh-warmup

__epm_packages_sort()
{
# FIXME: sort depends on --sort value
case $PMTYPE in
	apt-rpm|yum-rpm|urpm-rpm|zypper-rpm|dnf-rpm)
		# FIXME: space with quotes problems, use point instead
		warmup_rpmbase
		docmd rpm -qa --queryformat "%{size}@%{name}-%{version}-%{release}\n" $pkg_filenames | sed -e "s|@| |g" | sort -n -k1
		;;
	apt-dpkg)
		warmup_dpkgbase
		docmd dpkg-query -W --showformat="\${Installed-Size}@\${Package}-\${Version}\n" $pkg_filenames | sed -e "s|@| |g" | sort -n -k1
		;;
	*)
		fatal "Sorted package list function is not implemented for $PMTYPE"
		;;
esac
}

__aptcyg_print_full()
{
	#showcmd apt-cyg show
	local VERSION=$(apt-cyg show "$1" | grep -m1 "^version: " | sed -e "s|^version: ||g")
	echo "$1-$VERSION"
}

__fo_pfn()
{
	grep -v "^$" | grep -- "$pkg_filenames"
}

# TODO: we have a problem with error status here
epm_packages()
{
	local CMD
	[ -n "$sort" ] && __epm_packages_sort && return

case $PMTYPE in
	apt-rpm)
		warmup_rpmbase
		# FIXME: strong equal
		CMD="rpm -qa $pkg_filenames"
		[ -n "$short" ] && CMD="rpm -qa --queryformat %{name}\n $pkg_filenames"
		docmd $CMD
		return ;;
	*-dpkg)
		warmup_dpkgbase
		# FIXME: strong equal
		#CMD="dpkg -l $pkg_filenames"
		CMD="dpkg-query -W --showformat=\${db:Status-Abbrev}\${Package}-\${Version}\n $pkg_filenames"
		[ -n "$short" ] && CMD="dpkg-query -W --showformat=\${db:Status-Abbrev}\${Package}\n $pkg_filenames"
		showcmd $CMD
		$CMD | grep "^i" | sed -e "s|.* ||g" | __fo_pfn
		return ;;
	snappy)
		CMD="snappy info"
		;;
	yum-rpm|urpm-rpm|zypper-rpm|dnf-rpm)
		warmup_rpmbase
		# FIXME: strong equal
		CMD="rpm -qa $pkg_filenames"
		[ -n "$short" ] && CMD="rpm -qa --queryformat %{name}\n $pkg_filenames"
		docmd $CMD
		return ;;
	emerge)
		CMD="qlist -I -C"
		# print with colors for console output
		isatty && CMD="qlist -I"
		;;
	pkgsrc)
		CMD="pkg_info"
		showcmd $CMD
		$CMD | sed -e "s| .*||g" | __fo_pfn
		return ;;
	pkgng)
		if [ -n "$pkg_filenames" ] ; then
			CMD="pkg info -E $pkg_filenames"
		else
			CMD="pkg info"
		fi
		showcmd $CMD
		if [ -n "$short" ] ; then
		    $CMD | sed -e "s| .*||g" | sed -e "s|-[0-9].*||g" | __fo_pfn
		else
		    $CMD | sed -e "s| .*||g" | __fo_pfn
		fi
		return ;;
	pacman)
		CMD="pacman -Qs $pkg_filenames"
		showcmd $CMD
		if [ -n "$short" ] ; then
			$CMD | sed -e "s| .*||g" -e "s|.*/||g" | __fo_pfn
			return
		fi
		;;
	npackd)
		CMD="npackdcl list --status=installed"
		# TODO: use search if pkg_filenames is not empty
		;;
	conary)
		CMD="conary query"
		;;
	chocolatey)
		CMD="chocolatey list"
		;;
	slackpkg)
		CMD="ls -1 /var/log/packages/"
		if [ -n "$short" ] ; then
			# FIXME: does not work for libjpeg-v8a
			# TODO: remove last 3 elements (if arch is second from the last?)
			# FIXME this hack
			docmd ls -1 /var/log/packages/ | sed -e "s|-[0-9].*||g" | sed -e "s|libjpeg-v8a.*|libjpeg|g" | __fo_pfn
			return
		fi
		;;
	homebrew)
		docmd brew list | xargs -n1 echo
		;;
	ipkg)
		CMD="ipkg list"
		;;
	apk)
		CMD="apk info"
		;;
	tce)
		CMD="ls -1 /usr/local/tce.installed"
		;;
	guix)
		CMD="guix package -I"
		;;
	xbps)
		CMD="xbps-query -l"
		showcmd $CMD
		if [ -n "$short" ] ; then
			$CMD | sed -e "s|^ii ||g" -e "s| .*||g" -e "s|\(.*\)-.*|\1|g" | __fo_pfn
		else
			$CMD | sed -e "s|^ii ||g" -e "s| .*||g" | __fo_pfn
		fi
		return 0
		;;
	android)
		CMD="pm list packages"
		showcmd $CMD
		$CMD | sed -e "s|^package:||g" | __fo_pfn
		return
		;;
	aptcyg)
		CMD="apt-cyg list $pkg_filenames"
		if [ -z "$short" ] ; then
			showcmd $CMD
			# TODO: fix this slow way
			for i in $($CMD) ; do
				__aptcyg_print_full $i
			done
			return
		fi
		;;
	*)
		fatal "Have no suitable query command for $PMTYPE"
		;;
esac

docmd $CMD | __fo_pfn
# FIXME: we print empty lines, but will lost error status

}