# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

#
# Original Author: Lars Strojny <lars@strojny.net>
# Purpose: Providing macros to handle installation and setup of the py-transport
# family
#
inherit eutils python
ECLASS="pytransport"
INHERITED="$INHERITED $ECLASS"
EXPORT_FUNCTIONS src_install pkg_postinst

LICENSE="GPL-2"

pytransport_is_subversion() {
	[[ "${PV}" = 9999 ]] && return 0 || return 1
}

pytransport_is_subversion && S=${WORKDIR}/${PN}
SLOT=0

if pytransport_is_subversion; then
	inherit subversion
	[ -z "${ESVN_REPO_URI}" ] && ESVN_REPO_URI="http://svn.blathersource.org/${PN}/trunk"
	SRC_URI=""
else
	SRC_URI="http://www.blathersource.org/download.php/${PN}/${P}.tar.gz"
fi

HOMEPAGE="http://${PN}.blathersource.org/"

DEPEND=">=net-im/jabber-base-0.0
	>=dev-lang/python-2.3"
	
RDEPEND="<dev-python/twisted-2.4
	>=dev-python/twisted-words-0.1.0
	<dev-python/twisted-words-0.4
	>=dev-python/twisted-xish-0.1.0
	=dev-python/twisted-web-0.5*
	<dev-python/nevow-0.8
	>=dev-python/imaging-1.1"

PYTRANSPORT_LIB_DIR=${PYTRANSPORT_LIB_DIR:=tools data src}
PYTRANSPORT_CONFIG=config_example.xml

# Create the minimal token name from the package name
#
# Example: pyicq-t-svn
#
pytransport_get_human_name() {
	echo "${PN}" \
		| sed -e "s:^py\([a-z]*\)-t$:\1:g" \
		| tr [:lower:] [:upper:]
}

#
# Guess the script name
#
pytransport_get_script_name() {
	echo "Py$(pytransport_get_human_name ${PN})t.py"
}

#
# Adjust configuration file defaults
#
pytransport_adjust_configfile() {
	local configfile="$1"
	dosed \
		"s:<spooldir>[^\<]*</spooldir>:<spooldir>/var/spool/jabber/</spooldir>:" \
		"${configfile}" || die "Could not sed ${configfile}"
	dosed \
		"s:<pid>[^\<]*</pid>:<pid>/var/run/jabber/${PN}.pid</pid>:" \
		"${configfile}" || die "Could not sed ${configfile}"
	return 0
}

#
# Get python version
#
pytransport_get_python_version() {
	[ -z "${PYVER}" ] && python_version
	echo "${PYVER}"
}

#
# Install transport libraries
#
pytransport_install_libs() {
	insinto /usr/lib/python$(pytransport_get_python_version)/site-packages/${PN}/
	doins -r ${PYTRANSPORT_LIB_DIR} || \
		die "Could not install library"
	newins $(pytransport_get_script_name) ${PN}.py || \
		die "Could not find initial .py-scripts"
	return 0
}

#
# Install configuration
#
pytransport_install_config() {
	insinto /etc/jabber
	newins "${PYTRANSPORT_CONFIG}" ${PN}.xml
	fperms 600 /etc/jabber/${PN}.xml || die "Could not adjust perms"
	pytransport_adjust_configfile /etc/jabber/${PN}.xml || die "Could not adjust config"
	fowners jabber:jabber /etc/jabber/${PN}.xml || die "Could not adjust perms"
	return 0
}

#
# Generate init.d-script
#
pytransport_generate_initd() {
	pytransport_is_subversion && local suffix=" (Subversion)"
	echo "#!/sbin/runscript


depend() {
	need net
	use jabber-server
}

start() {
	ebegin \"Starting $(pytransport_get_human_name) Jabber Transport${suffix}\"
	start-stop-daemon --start --quiet \\
	--background --name \"${PN}\" --chuid jabber:jabber \\
		--exec /usr/bin/python$(pytransport_get_python_version) \\
		/usr/lib/python$(pytransport_get_python_version)/site-packages/${PN}/${PN}.py \\
		-c /etc/jabber/${PN}.xml \\
		-l /var/log/jabber/${PN}.log
	eend 0
}

stop() {
	ebegin \"Stopping $(pytransport_get_human_name) Jabber Transport${suffix}\"
	start-stop-daemon --stop --quiet --pidfile /var/run/jabber/pyicq-t-svn.pid
	sleep 3
	eend \$?
}"
}

#
# Exported install function
#
pytransport_src_install() {
	einfo "Installing library files ..."
	pytransport_install_libs || die "Failed installing libs"

	einfo "Installing config file: /etc/jabber/${PN}.xml"
	pytransport_install_config || die "Failed installing configuration"

	einfo "Generating init script: /etc/init.d/${PN}"
	exeinto /etc/init.d
	pytransport_generate_initd > myinitd
	newexe myinitd ${PN}
}

#
# Show postinst information
#
pytransport_pkg_postinst() {
	einfo "A sample configuration file has been installed in /etc/jabber/${PN}.xml."
	einfo "Please edit it, and the configuration of you Jabber server to match."
	einfo "You also need to create a directory <host>.yourjabberhostname.tld in"
	einfo "/var/spool/jabber and chown it to jabber:jabber."
}