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

EAPI=6

PYTHON_COMPAT=( python{2_7,3_6} pypy )

RUBY_OPTIONAL="yes"
USE_RUBY="ruby25"

PHP_EXT_NAME="IcePHP"
PHP_EXT_INI="yes"
PHP_EXT_ZENDEXT="no"

PHP_EXT_OPTIONAL_USE=php

USE_PHP="php7-2"

EGIT_REPO_URI="https://github.com/zeroc-ice/ice.git"
EGIT_CHECKOUT_DIR="${WORKDIR}/${PN}"
EGIT_BRANCH="3.7"

inherit php-ext-source-r3 python-r1 ruby-ng toolchain-funcs versionator git-r3

DESCRIPTION="ICE middleware C++ library and generator tools"
HOMEPAGE="https://zeroc.com/products/ice"
LICENSE="GPL-2"
SLOT="0/37"
KEYWORDS=""
# XXX: readline
IUSE="debug examples libressl php python ruby test"

RDEPEND=">=dev-libs/expat-2.0.1
	>=app-arch/bzip2-1.0.5
	!libressl? ( dev-libs/openssl:0= )
	libressl? ( dev-libs/libressl:0= )
	dev-db/lmdb
	dev-cpp/libmcpp
	python? ( ${PYTHON_DEPS} )
	ruby? ( $(ruby_implementation_depend ruby23) )
	!dev-python/IcePy
	!dev-ruby/IceRuby"
DEPEND="${RDEPEND}
	test? (
		${PYTHON_DEPS}
		dev-python/passlib[${PYTHON_USEDEP}]
	)"

# Maintainer notes:
# TODO: java bindings

S="${WORKDIR}/${PN}"
PHP_EXT_S="${S}/php"

pkg_setup() {
	# prevent ruby-ng.eclass from messing with pkg_setup
	return
}

src_unpack() {
	# prevent ruby-ng.eclass from messing with src_unpack
	git-r3_src_unpack
}

src_prepare() {
	default

	sed -i \
		-e 's|-O2 ||g' \
		-e 's|-Werror ||g' \
		config/Make.rules.Linux || die "sed failed"

	# IceUtil/stacktrace fails with USE=debug
	# skip udp test due to multicast
	# skip IceSSL tests due to requirement of internet connection
	# IceGrid/admin fails, no idea why
#	sed -i \
#		-e 's|allTests.py|allTests.py --rfilter=IceUtil\/stacktrace --rfilter=udp --rfilter=IceSSL --rfilter=IceGrid\/admin|' \
#		cpp/Makefile || die "sed failed"

	# mainly broken .ice files
#	sed -i \
#		-e 's|allTests.py|allTests.py --rfilter=operations --rfilter=slicing\/objects|' \
#		python/Makefile || die "sed failed"
}

src_configure() {
	MAKE_RULES=(
		"prefix=\"${ED%/}/usr\""
		"install_docdir=\"${ED%/}/usr/share/doc/${PF}\""
		"install_configdir=\"${ED%/}/usr/share/${P}/config\""
		"install_mandir=\"${ED%/}/usr/share/man\""
		"embedded_runpath_prefix=\"${EPREFIX}/usr\""
		"new_dtags=yes"
		"OPTIMIZE=$(usex !debug)"
		"V=1"
	)

	if use python; then
		local S="${S}/python"
		python_copy_sources
	fi

	if use ruby; then
		SITERUBY="$(ruby23 -r rbconfig -e 'print RbConfig::CONFIG["sitelibdir"]')"
		SITERUBYARCH="$(ruby23 -r rbconfig -e 'print RbConfig::CONFIG["sitearchdir"]')"
		MAKE_RULES_RUBY=(
			"install_rubydir=\"${ED%/}/${SITERUBY}\""
			"install_rubylibdir=\"${ED%/}/${SITERUBYARCH}\""
		)

		# make it use ruby23 only
		sed -i \
			-e 's|RUBY = ruby|\023|' \
			ruby/config/Make.rules || die "sed failed"
		sed -i \
			-e 's|env ruby|\023|' \
			ruby/config/s2rb.rb || die "sed failed"
		sed -i \
			-e 's|env ruby|\023|' \
			ruby/scripts/slice2rb || die "sed failed"
	fi

	use test && python_setup
}

src_compile() {
	local -x LD_LIBRARY_PATH="${S}/cpp/$(get_libdir)${LD_LIBRARY_PATH+:}${LD_LIBRARY_PATH}"
	emake -C cpp "${MAKE_RULES[@]}"

	if use php; then
		local i
		for i in $(php_get_slots); do
			mkdir -p "${WORKDIR}/${i}" || die
			cp -r "${PHP_EXT_S}" "${WORKDIR}/${i}/" || die "Failed to copy source ${PHP_EXT_S} to PHP target directory"

			pushd "${WORKDIR}/${i}" >/dev/null || die
			ln -s "${S}/cpp" || die
			ln -s "${S}/config" || die
			ln -s "${S}/slice" || die
			ln -s "${S}/Makefile" || die

			emake -C php "${MAKE_RULES[@]}" USE_NAMESPACES=yes "PHP_CONFIG=\"${EPREFIX}/usr/$(get_libdir)/${i}/bin/php-config\""
			popd >/dev/null || die
		done
	fi

	if use python; then
		building() {
			emake -C "${BUILD_DIR}" "${MAKE_RULES[@]}" PYTHON="${EPYTHON}"
		}
		local S="${S}/python"
		python_foreach_impl building
	fi

	if use ruby; then
		emake -C ruby "${MAKE_RULES[@]}" "${MAKE_RULES_RUBY[@]}"
	fi
}

run_tests() {
	pushd "${1}" >/dev/null || die
	./allTests.py
	ret=${?}
	popd >/dev/null || die

	return ${ret}
}


src_test() {
	local -x LD_LIBRARY_PATH="${S}/cpp/$(get_libdir)${LD_LIBRARY_PATH+:}${LD_LIBRARY_PATH}"
	run_tests cpp || die "emake cpp test failed"

	# php tests require the extension loaded and are therefore skipped

	if use python ; then
		testing() {
			run_tests "${BUILD_DIR}" || die "emake ${BUILD_DIR} test failed"
		}
		local S="${S}/python"
		python_foreach_impl testing
	fi

	if use ruby ; then
		run_tests ruby || die "emake ruby test failed"
	fi
}

src_install() {
	export LD_LIBRARY_PATH="${S}/cpp/$(get_libdir)${LD_LIBRARY_PATH+:}${LD_LIBRARY_PATH}"
	local DOCS=( CHANGELOG*.md README.md )
	einstalldocs

	insinto /usr/share/${P}
	doins -r slice

	emake -C cpp "${MAKE_RULES[@]}" install

	if use examples; then
		docinto examples-cpp
		dodoc cpp/config/*.cfg
		docompress -x /usr/share/doc/${PF}/examples-cpp
	fi

	if use php; then
		insinto "/usr/share/php/${PN}"

		local i
		while IFS="" read -d $'\0' -r i; do
			doins "${i}"
		done < <(find "${S}/php/lib/" -name '*.php' -print0)

		pushd "${ED%/}/usr/share/${P}/slice" >/dev/null || die

		local -x LD_LIBRARY_PATH="${ED%/}/usr/$(get_libdir):${LD_LIBRARY_PATH}"
		for i in *; do
			mkdir -p "${ED%/}/usr/share/php/${i}" || die
			"${ED%/}"/usr/bin/slice2php \
				-I"${ED%/}/usr/share/${P}/slice/" --all \
				--output-dir "${ED%/}/usr/share/php/${i}" \
				--ice "${ED%/}/usr/share/${P}/slice/${i}"/*
		done

		for i in $(php_get_slots); do
			php_init_slot_env "${i}"
			insinto "${EXT_DIR}"
			newins "php/lib/${PHP_EXT_NAME}.so" "${PHP_EXT_NAME}.so"
		done
		php-ext-source-r3_createinifiles

		popd >/dev/null || die
	fi

	if use python; then
		installation() {
			mkdir -p "${D%/}/$(python_get_sitedir)" || die

			emake -C "${BUILD_DIR}" \
				"${MAKE_RULES[@]}" \
				install_pythondir="\"${D%/}/$(python_get_sitedir)\"" \
				install
		}
		local S="${S}/python"
		python_foreach_impl installation
	fi

	if use ruby; then
		dodir "${SITERUBY}"
		emake -C ruby "${MAKE_RULES[@]}" "${MAKE_RULES_RUBY[@]}" install
	fi
}