# Copyright 1999-2021 Gentoo Authors
# 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="5"

inherit versionator epatch webapp db-use

WEBAPP_MANUAL_SLOT="yes"
XTENDED_VER="RB30"
XTENDED_URL="rb30"

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

GEODB_DATE="20140201"
GEODB_URL="ftp://ftp.mrunix.net/pub/webalizer/geodb/"
GEODB_DIR="/usr/share/webalizer/geodb"

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 )
	https://dev.gentoo.org/~blueness/webalizer/webalizer.conf.gz
	${GEODB_URL}/webalizer-geodb-${GEODB_DATE}.tgz"

LICENSE="GPL-2"
KEYWORDS="~alpha amd64 ~arm ~hppa ppc ppc64 ~sparc x86"
IUSE="bzip2 xtended geoip nls"
SLOT="0"

DEPEND=">=sys-libs/db-4.2:*
	>=sys-libs/zlib-1.1.4
	>=media-libs/libpng-1.2:0=
	>=media-libs/gd-1.8.3[png]
	dev-libs/geoip
	bzip2? ( app-arch/bzip2 )"
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() {
	epatch "${FILESDIR}"/${PN}-2.23.08-gcc-10.patch
	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) \
		$(use_enable bzip2 bz2) \
		--with-geodb=${GEODB_DIR}
}

src_install() {
	webapp_src_preinst

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

	insinto /etc
	doins "${WORKDIR}"/${PN}.conf

	insinto ${GEODB_DIR}
	doins "${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/rb30/INSTALL"
		ewarn
	fi

	if use geoip; then
		elog
		elog "Note: we have installed the GeoDB.dat dated ${GEODB_DATE}."
		elog "But you may want to upate to the latest version which is"
		elog "available at ${GEODB_URL}.  Replace the GeoDB.dat file in"
		elog "${GEODB_DIR} with the newer version."
		elog
	fi

	webapp_pkg_postinst
}
