# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="5"

inherit eutils java-pkg-2 java-ant-2 systemd user

DESCRIPTION="A privacy-centric, anonymous network."
HOMEPAGE="https://geti2p.net"
SRC_URI="https://download.i2p2.de/releases/${PV}/i2psource_${PV}.tar.bz2"

LICENSE="Apache-2.0 Artistic BSD CC-BY-2.5 CC-BY-3.0 CC-BY-SA-3.0 EPL-1.0 GPL-2 GPL-3 LGPL-2.1 LGPL-3 MIT public-domain WTFPL-2"
SLOT="0"

# Until the deps reach other arches
KEYWORDS="~amd64 ~x86"
IUSE="nls"

# dev-java/ant-core is automatically added due to java-ant-2.eclass
CDEPEND="dev-java/jrobin:0
	dev-java/bcprov:1.50
	dev-java/slf4j-api:0
	dev-java/tomcat-jstl-impl:0
	dev-java/tomcat-jstl-spec:0
	dev-java/java-service-wrapper:0"

DEPEND="${CDEPEND}
	dev-java/eclipse-ecj:*
	dev-libs/gmp:*
	nls? ( sys-devel/gettext )
	>=virtual/jdk-1.7"

RDEPEND="${CDEPEND}
	>=virtual/jre-1.7"

EANT_BUILD_TARGET="pkg"
EANT_GENTOO_CLASSPATH="java-service-wrapper,jrobin,slf4j-api,tomcat-jstl-impl,tomcat-jstl-spec,bcprov-1.50"

I2P_ROOT='/usr/share/i2p'
I2P_CONFIG_HOME='/var/lib/i2p'
I2P_CONFIG_DIR="${I2P_HOME}/.i2p"

pkg_setup() {
	java-pkg-2_pkg_setup

	enewgroup i2p
	enewuser i2p -1 -1 "${I2P_CONFIG_HOME}" i2p -m
}

src_unpack() {
	unpack ${A}
	cd "${S}" || die
	java-ant_rewrite-classpath
}

src_prepare() {
	java-pkg-2_src_prepare

	# We're on GNU/Linux, we don't need .exe files
	echo "noExe=true" > override.properties
	if ! use nls; then
		echo "require.gettext=false" >> override.properties
	fi
}

src_install() {
	# Cd into pkg-temp.
	cd "${S}/pkg-temp" || die

	# add libs
	epatch "${FILESDIR}/${P}_add-libs.patch"

	# avoid auto starting browser
	sed -i 's|clientApp.4.startOnLoad=true|clientApp.4.startOnLoad=false|' \
		clients.config || die

	# replace paths as the installer would
	sed -i "s|%INSTALL_PATH|${I2P_ROOT}|" \
		eepget i2prouter runplain.sh  || die
	sed -i "s|\$INSTALL_PATH|${I2P_ROOT}|" wrapper.config || die
	sed -i "s|%SYSTEM_java_io_tmpdir|${I2P_CONFIG_DIR}|" \
		i2prouter runplain.sh || die
	sed -i "s|%USER_HOME|${I2P_CONFIG_HOME}|" i2prouter || die

	# This is ugly, but to satisfy all non-system .jar dependencies, jetty and
	# systray4j would need to be packaged. The former would be too large a task
	# for an unseasoned developer and systray4j hasn't been touched in over 10
	# years. This seems to be the most pragmatic solution
	java-pkg_jarinto "${I2P_ROOT}/lib"
	for i in BOB commons-el commons-logging i2p i2psnark i2ptunnel \
		jasper-compiler jasper-runtime javax.servlet jbigi jetty* mstreaming org.mortbay.* router* \
		sam standard streaming systray systray4j; do
		java-pkg_dojar lib/${i}.jar
	done

	# Set up symlinks for binaries
	dosym /usr/bin/wrapper "${I2P_ROOT}/i2psvc"
	dosym "${I2P_ROOT}/i2prouter" /usr/bin/i2prouter
	dosym "${I2P_ROOT}/eepget" /usr/bin/eepget

	# Install main files and basic documentation
	exeinto "${I2P_ROOT}"
	insinto "${I2P_ROOT}"
	doins blocklist.txt hosts.txt *.config
	doexe eepget i2prouter runplain.sh
	dodoc history.txt INSTALL-headless.txt LICENSE.txt
	doman man/*

	# Install other directories
	doins -r certificates docs eepsite geoip scripts
	dodoc -r licenses
	java-pkg_dowar webapps/*.war

	# Install daemon files
	newinitd "${FILESDIR}/${P}_initd" i2p
	systemd_newunit "${FILESDIR}"/i2p.service i2p.service

	# setup user
	dodir "${I2P_CONFIG_DIR}"
	fowners -R i2p:i2p "${I2P_CONFIG_DIR}"
}

pkg_postinst() {
	elog "Custom configuration belongs in /var/lib/i2p/.i2p/ to avoid being overwritten."
	elog "I2P can be configured through the web interface at http://localhost:7657/index.jsp"

	ewarn 'Currently, the i2p team do not enforce to use ECDSA keys. But it is more and'
	ewarn 'more pushed. To help the network, you are recommended to have either:'
	ewarn '  dev-java/icedtea[-sunec,nss]'
	ewarn '  dev-java/oracle-jre-bin'
	ewarn '  dev-java/oracle-jdk-bin'
}