# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

PYTHON_COMPAT=( python3_{8..10} )
PYTHON_REQ_USE="threads(+)"

inherit bash-completion-r1 flag-o-matic python-any-r1 toolchain-funcs xdg-utils

DESCRIPTION="A JavaScript runtime built on Chrome's V8 JavaScript engine"
HOMEPAGE="https://nodejs.org/"
LICENSE="Apache-1.1 Apache-2.0 BSD BSD-2 MIT"

if [[ ${PV} == *9999 ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/nodejs/node"
	SLOT="0"
else
	SRC_URI="https://nodejs.org/dist/v${PV}/node-v${PV}.tar.xz"
	SLOT="0/$(ver_cut 1)"
	KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86 ~amd64-linux ~x64-macos"
	S="${WORKDIR}/node-v${PV}"
fi

IUSE="+corepack cpu_flags_x86_sse2 debug inspector lto +system-icu +system-ssl +systemtap"
REQUIRED_USE="inspector? ( system-icu system-ssl )"

RDEPEND=">=app-arch/brotli-1.0.9:=
	>=dev-libs/libuv-1.40.0:=
	>=net-dns/c-ares-1.17.2:=
	>=net-libs/nghttp2-1.41.0:=
	sys-libs/zlib
	corepack? ( !sys-apps/yarn )
	system-icu? ( >=dev-libs/icu-67:= )
	system-ssl? ( >=dev-libs/openssl-1.1.1:0= )"
BDEPEND="${PYTHON_DEPS}
	sys-apps/coreutils
	virtual/pkgconfig
	systemtap? ( dev-util/systemtap )"
DEPEND="${RDEPEND}"

PATCHES=(
	"${FILESDIR}"/${PN}-12.22.5-shared_c-ares_nameser_h.patch
	"${FILESDIR}"/${PN}-15.2.0-global-npm-config.patch
)

src_prepare() {
	tc-export AR CC CXX PKG_CONFIG
	export V=1
	export BUILDTYPE=Release

	# less verbose install output (stating the same as portage, basically)
	sed -i -e "/print/d" tools/install.py || die

	# proper libdir, hat tip @ryanpcmcquen https://github.com/iojs/io.js/issues/504
	local LIBDIR=$(get_libdir)
	sed -i -e "s|lib/|${LIBDIR}/|g" tools/install.py || die
	sed -i -e "s/'lib'/'${LIBDIR}'/" deps/npm/lib/npm.js || die

	# Avoid writing a depfile, not useful
	sed -i -e "/DEPFLAGS =/d" tools/gyp/pylib/gyp/generator/make.py || die

	sed -i -e "/'-O3'/d" common.gypi node.gypi || die

	# debug builds. change install path, remove optimisations and override buildtype
	if use debug; then
		sed -i -e "s|out/Release/|out/Debug/|g" tools/install.py || die
		BUILDTYPE=Debug
	fi

	# All this test does is check if the npm CLI produces warnings of any sort,
	# failing if it does. Overkill, much? Especially given one possible warning
	# is that there is a newer version of npm available upstream (yes, it does
	# use the network if available), thus making it a real possibility for this
	# test to begin failing one day even though it was fine before.
	rm -f test/parallel/test-release-npm.js

	default
}

src_configure() {
	xdg_environment_reset

	# LTO compiler flags are handled by configure.py itself
	filter-flags '-flto*'

	local myconf=(
		--shared-brotli
		--shared-cares
		--shared-libuv
		--shared-nghttp2
		--shared-zlib
		--without-npm
		--without-node-snapshot
	)
	use debug && myconf+=( --debug )
	use lto && myconf+=( --enable-lto )
	if use system-icu; then
		myconf+=( --with-intl=system-icu )
	else
		myconf+=( --with-intl=none )
	fi
	use inspector || myconf+=( --without-inspector )
	if use system-ssl; then
		myconf+=( --shared-openssl --openssl-use-def-ca-store )
	else
		myconf+=( --without-ssl )
	fi

	local myarch="x64"

	GYP_DEFINES="linux_use_gold_flags=0
		linux_use_bundled_binutils=0
		linux_use_bundled_gold=0" \
	"${EPYTHON}" configure.py \
		--prefix="${EPREFIX}"/usr \
		--dest-cpu=${myarch} \
		$(use_with systemtap dtrace) \
		"${myconf[@]}" || die
}

src_compile() {
	emake -C out
}

src_install() {
	local LIBDIR="${ED}/usr/$(get_libdir)"
	default

	# set up a symlink structure that node-gyp expects..
	dodir /usr/include/node/deps/{v8,uv}
	dosym . /usr/include/node/src
	for var in deps/{uv,v8}/include; do
		dosym ../.. /usr/include/node/${var}
	done

	if use corepack; then
		dosym "${LIBDIR}"/node_modules/corepack/dist/pnpm.js /usr/bin/pnpm
		dosym "${LIBDIR}"/node_modules/corepack/dist/pnpx.js /usr/bin/pnpx
		dosym "${LIBDIR}"/node_modules/corepack/dist/yarn.js /usr/bin/yarn
		dosym "${LIBDIR}"/node_modules/corepack/dist/yarnpkg.js /usr/bin/yarnpkg
	fi

	mv "${ED}"/usr/share/doc/node "${ED}"/usr/share/doc/${PF} || die
}

src_test() {
	if has usersandbox ${FEATURES}; then
		rm -f "${S}"/test/parallel/test-fs-mkdir.js
		ewarn "You are emerging ${PN} with 'usersandbox' enabled. Excluding tests known to fail in this mode." \
			"For full test coverage, emerge =${CATEGORY}/${PF} with 'FEATURES=-usersandbox'."
	fi

	out/${BUILDTYPE}/cctest || die
	"${EPYTHON}" tools/test.py --mode=${BUILDTYPE,,} --flaky-tests=dontcare -J message parallel sequential || die
}