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

EAPI="6"

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="+ecdsa nls"

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

DEPEND="${CP_DEPEND}
	dev-java/eclipse-ecj:*
	dev-libs/gmp:0
	nls? ( >=sys-devel/gettext-0.19 )
	>=virtual/jdk-1.7"

RDEPEND="${CP_DEPEND}
	ecdsa? (
		|| (
			dev-java/icedtea:7[-sunec]
			dev-java/icedtea:8[-sunec]
			dev-java/icedtea-bin:7
			dev-java/icedtea-bin:8
			dev-java/oracle-jre-bin
			dev-java/oracle-jdk-bin
		)
	)
	!ecdsa? ( >=virtual/jre-1.7 )"

EANT_BUILD_TARGET="pkg"
JAVA_ANT_ENCODING="UTF-8"

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

RES_DIR='installer/resources'

PATCHES=(
	"${FILESDIR}/${P}-add_libs.patch"
)

pkg_setup() {
	java-pkg-2_pkg_setup

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

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 || die
	if ! use nls; then
		echo "require.gettext=false" >> override.properties || die
	fi

	# avoid auto starting browser
	sed -i 's|clientApp.4.startOnLoad=true|clientApp.4.startOnLoad=false|' \
		"${RES_DIR}/clients.config" || die

	# we do it now so we can resolve path after
	default

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

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

	# This is ugly, but to satisfy all non-system .jar dependencies, jetty
	# would need to be packaged. It would be too large a task
	# for an unseasoned developer. This seems to be the most pragmatic solution
	java-pkg_jarinto "${I2P_ROOT}/lib"
	local i
	for i in BOB commons-el commons-logging i2p i2psnark i2ptunnel \
		jasper-compiler jasper-runtime javax.servlet jbigi jetty* mstreaming org.mortbay.* router* \
		sam standard streaming systray addressbook; do
		java-pkg_dojar lib/${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 "${FILESDIR}/${P}.service" i2p.service

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

pkg_postinst() {
	elog "Custom configuration belongs in ${I2P_CONFIG_DIR} to avoid being overwritten."
	elog 'I2P can be configured through the web interface at http://localhost:7657/console'

	if use !ecdsa
	then
		ewarn 'Currently, the i2p team does not enforce to use ECDSA keys. But it is more and'
		ewarn 'more pushed. To help the network, you are recommended to have the ecdsa USE.'
		ewarn
		ewarn "This is purely a run-time issue. You're free to build i2p with any JDK, as long as"
		ewarn 'the JVM you run it with is one of the above listed and from the same or a newer generation'
		ewarn 'as the one you built with.'
	fi
}