# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

# uses webapp.eclass to create directories with right permissions
# probably slight overkill but works well

EAPI="2"

inherit versionator eutils webapp db-use

WEBAPP_MANUAL_SLOT="yes"
XTENDED_VER="RB29"
XTENDED_URL="rb29"

MY_PV="$(get_version_component_range 1-2)-$(get_version_component_range 3)"
MY_P="${PN}-${MY_PV}"

DESCRIPTION="Webserver log file analyzer"
HOMEPAGE="http://www.webalizer.org/"
SRC_URI="ftp://ftp.mrunix.net/pub/webalizer/${MY_P}-src.tar.bz2
	xtended? ( http://patrickfrei.ch/webalizer/${XTENDED_URL}/${PN}-${MY_PV}-${XTENDED_VER}-patch.tar.gz )
	ftp://ftp.mrunix.net/pub/webalizer/webalizer-geodb-latest.tgz
	mirror://gentoo/${PN}.conf.gz"

LICENSE="GPL-2"
KEYWORDS="alpha amd64 ~arm hppa ppc ppc64 ~sparc x86"
IUSE="geoip nls xtended"
SLOT="0"

DEPEND=">=sys-libs/db-4.2
	>=sys-libs/zlib-1.1.4
	>=media-libs/libpng-1.2
	>=media-libs/gd-1.8.3[png]
	dev-libs/geoip"
RDEPEND="${DEPEND}"

S="${WORKDIR}"/${MY_P}

pkg_setup() {
	webapp_pkg_setup

	# USE=nls has no real meaning if LINGUAS isn't set
	if use nls && [[ -z "${LINGUAS}" ]]; then
		ewarn "you must set LINGUAS in /etc/portage/make.conf"
		ewarn "if you want to USE=nls"
		die "please either set LINGUAS or do not use nls"
	fi
}

src_prepare() {
	if use xtended; then
		epatch "${WORKDIR}"/${PN}-${MY_PV}-${XTENDED_VER}-patch
	fi
}

src_configure() {
	# really dirty hack; necessary due to a really gross ./configure
	# basically, it just sets the natural language the program uses
	# unfortunatly, this program only allows for one lang, so only the first
	# entry in LINGUAS is used
	if use nls; then
		local longlang="$(grep ^${LINGUAS:0:2} "${FILESDIR}"/webalizer-language-list.txt)"
		local myconf="${myconf} --with-language=${longlang:3}"
	else
		local myconf="${myconf} --with-language=english"
	fi

	econf --enable-dns \
		--with-db=$(db_includedir) \
		--with-dblib=$(db_libname) \
		${myconf} \
		$(use_enable geoip) \
		--with-geodb=/usr/share/webalizer/geodb \
		|| die "econf failed"
}

src_install() {
	webapp_src_preinst

	dobin webalizer
	dosym webalizer /usr/bin/webazolver
	doman webalizer.1

	insinto /etc
	doins "${WORKDIR}"/${PN}.conf
	dosed "s/apache/apache2/g" /etc/webalizer.conf

	insinto /usr/share/webalizer/geodb
	doins "${WORKDIR}"/GeoDB.dat

	dodoc CHANGES *README* INSTALL sample.conf "${FILESDIR}"/apache.webalizer

	webapp_src_install
}

pkg_postinst() {
	elog
	elog "It is suggested that you restart apache before using webalizer"
	elog "You may want to review /etc/webalizer.conf and ensure that"
	elog "OutputDir is set correctly"
	elog
	elog "Then just type webalizer to generate your stats."
	elog "You can also use cron to generate them e.g. every day."
	elog "They can be accessed via http://localhost/webalizer"
	elog
	elog "A sample Apache config file has been installed into"
	elog "/usr/share/doc/${PF}/apache.webalizer"
	elog "Please edit and install it as necessary"
	elog

	if [[ ${#LINGUAS} -gt 2 ]] && use nls; then
		ewarn
		ewarn "You have more than one language in LINGUAS"
		ewarn "Due to the limitations of this package, it was built"
		ewarn "only with ${LINGUAS:0:2} support. If this is not what"
		ewarn "you intended, please place the language you desire"
		ewarn "_first_ in the list of LINGUAS in /etc/portage/make.conf"
		ewarn
	fi

	if use xtended; then
		ewarn
		ewarn "If you are upgrading webalizer from USE=-xtended to USE=xtended"
		ewarn "you will need to delete webalizer.current and process all previous"
		ewarn "days in the same month using 'webalizer /path/to/access_log.1'."
		ewarn "For more information about using XTENDED webalizer, see:"
		ewarn
		ewarn "    http://www.patrickfrei.ch/webalizer/rb15/INSTALL"
		ewarn
	fi

	webapp_pkg_postinst
}