# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="6"

inherit systemd user

DESCRIPTION="A lightweight system monitoring tool"
HOMEPAGE="https://www.monitorix.org/"
SRC_URI="https://github.com/mikaku/Monitorix/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="GPL-2+"
SLOT="0"
KEYWORDS="amd64 x86"
IUSE="apcupsd hddtemp httpd lm_sensors postfix"
S="${WORKDIR}/Monitorix-${PV}"

RDEPEND="dev-perl/Config-General
	dev-perl/DBI
	dev-perl/HTTP-Server-Simple
	dev-perl/IO-Socket-SSL
	dev-perl/libwww-perl
	dev-perl/MIME-Lite
	dev-perl/XML-Simple
	net-analyzer/rrdtool[graph,perl]
	dev-perl/CGI
	apcupsd? ( sys-power/apcupsd )
	hddtemp? ( app-admin/hddtemp )
	httpd? ( virtual/httpd-cgi )
	lm_sensors? ( sys-apps/lm_sensors )
	postfix? ( net-mail/pflogsumm dev-perl/MailTools )"

pkg_setup() {
	enewgroup ${PN}
	enewuser ${PN} -1 -1 /var/lib/${PN} ${PN}
}

src_prepare() {
	# Put better Gentoo defaults in the configuration file.
	sed -e "s|\(base_dir.*\)/usr/share/${PN}|\1/usr/share/${PN}/htdocs|" \
		-e "s|\(secure_log.*\)/var/log/secure|\1/var/log/auth.log|" \
		-e "s|nobody|${PN}|g" -i ${PN}.conf || die
	eapply_user
}

# Override compile phase
src_compile() { :; }

src_install() {
	dosbin ${PN}

	newinitd "${FILESDIR}"/${PN}.init ${PN}

	insinto /etc/monitorix
	doins ${PN}.conf

	keepdir /etc/${PN}/conf.d

	insinto /etc/logrotate.d
	newins docs/${PN}.logrotate ${PN}

	dodoc Changes README{,.nginx} docs/${PN}-{alert.sh,apache.conf,lighttpd.conf}
	doman man/man5/${PN}.conf.5
	doman man/man8/${PN}.8

	insinto /var/lib/${PN}/www
	doins logo_bot.png logo_top.png ${PN}ico.png

	keepdir /var/lib/${PN}/www/imgs
	fowners monitorix:monitorix /var/lib/${PN}/www/imgs

	exeinto /var/lib/${PN}/www/cgi
	doexe ${PN}.cgi

	dodir /usr/lib/${PN}
	exeinto /usr/lib/${PN}
	doexe lib/*.pm

	keepdir /var/lib/${PN}/usage
	insinto /var/lib/${PN}/reports
	doins -r reports/*

	systemd_dounit docs/${PN}.service
}

pkg_postinst() {
	elog "WARNING: ${PN} has changed its config format twice, in versions"
	elog "3.0.0 and 3.4.0; this format may be incompatible with your existing"
	elog "config file. Please take care if upgrading from an old version."
	elog ""

	elog "${PN} includes its own web server as of version 3.0.0."
	elog "For this reason, the dependency on the webapp framework"
	elog "has been removed. If you wish to use your own web server,"
	elog "the ${PN} web data can be found at:"
	elog "${EROOT%/}/var/lib/${PN}/www/"

	elog ""
	elog "If you are not using monitorix built-in web server, please set"
	elog "the correct user and group ownership of ${EROOT%/}/var/lib/${PN}/www/imgs/"
}