# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# Base URL: https://dl.google.com/linux/chrome-remote-desktop/deb/
# Fetch the Release file:
#  https://dl.google.com/linux/chrome-remote-desktop/deb/dists/stable/Release
# Which gives you the Packages file:
#  https://dl.google.com/linux/chrome-remote-desktop/deb/dists/stable/main/binary-i386/Packages
#  https://dl.google.com/linux/chrome-remote-desktop/deb/dists/stable/main/binary-amd64/Packages
# And finally gives you the file name:
#  pool/main/c/chrome-remote-desktop/chrome-remote-desktop_29.0.1547.32_amd64.deb
#
# Use curl to find the answer:
#  curl -q https://dl.google.com/linux/chrome-remote-desktop/deb/dists/stable/main/binary-amd64/Packages | grep ^Filename

EAPI="7"

PYTHON_COMPAT=( python3_{9,10} )
PLOCALES="am ar bg bn ca cs da de el en_GB en es_419 es et fa fil fi fr gu he hi hr hu id it ja kn ko lt lv ml mr ms nb nl pl pt_BR pt_PT ro ru sk sl sr sv sw ta te th tr uk vi zh_CN zh_TW"

inherit unpacker python-single-r1 optfeature plocale

DESCRIPTION="access remote computers via Chrome!"
PLUGIN_URL="https://chrome.google.com/remotedesktop"
HOMEPAGE="https://support.google.com/chrome/answer/1649523
	https://chrome.google.com/remotedesktop"
BASE_URI="https://dl.google.com/linux/chrome-remote-desktop/deb/pool/main/c/${PN}/${PN}_${PV}"
SRC_URI="amd64? ( ${BASE_URI}_amd64.deb )"

LICENSE="google-chrome"
SLOT="0"
KEYWORDS="-* ~amd64"
IUSE=""
REQUIRED_USE="${PYTHON_REQUIRED_USE}"
RESTRICT="bindist mirror"

# Packages we execute, but don't link.
RDEPEND="app-admin/sudo
	${PYTHON_DEPS}"
# All the libs this package links against.
RDEPEND+="
	>=dev-libs/expat-2
	dev-libs/glib:2
	dev-libs/nspr
	dev-libs/nss
	$(python_gen_cond_dep 'dev-python/psutil[${PYTHON_USEDEP}]')
	media-libs/fontconfig
	media-libs/freetype:2
	sys-apps/dbus
	sys-devel/gcc
	sys-libs/glibc
	sys-libs/libutempter
	sys-libs/pam
	x11-apps/xdpyinfo
	x11-apps/setxkbmap
	x11-libs/cairo
	x11-libs/gtk+:3
	x11-libs/libX11
	x11-libs/libxcb
	x11-libs/libXdamage
	x11-libs/libXext
	x11-libs/libXfixes
	x11-libs/libxkbcommon
	x11-libs/libXrandr
	x11-libs/libXtst
	x11-libs/pango"
# Settings we just need at runtime.
# TODO: Look at switching to xf86-video-dummy & xf86-input-void instead of xvfb.
# - The env var (CHROME_REMOTE_DESKTOP_USE_XORG) seems to be stripped before being checked.
# - The Xorg invocation uses absolute paths with -logfile & -config which are rejected.
# - The config takes over the active display in addition to starting up a virtual one.
RDEPEND+="
	x11-base/xorg-server[xvfb]"
DEPEND="$(unpacker_src_uri_depends)"

S=${WORKDIR}

QA_PREBUILT="/opt/google/chrome-remote-desktop/*"

PATCHES=(
	"${FILESDIR}"/${PN}-91.0.4472.10-always-sudo.patch #541708
)

src_prepare() {
	default

	gunzip usr/share/doc/${PN}/*.gz || die

	cd opt/google/chrome-remote-desktop
	python_fix_shebang chrome-remote-desktop

	cd remoting_locales
	# These isn't always included.
	rm -f fake-bidi* || die
	PLOCALES=${PLOCALES//_/-} plocale_find_changes "${PWD}" '' '.pak'
}

src_install() {
	pushd opt/google/chrome-remote-desktop/remoting_locales >/dev/null || die
	rm_pak() { local l=${1//_/-}; rm "${l}.pak" "${l}.pak.info"; }
	plocale_for_each_disabled_locale rm_pak
	popd >/dev/null

	insinto /etc
	doins -r etc/opt
	dosym ../opt/chrome/native-messaging-hosts /etc/chromium/native-messaging-hosts #581754

	insinto /opt
	doins -r opt/google
	chmod a+rx "${ED}"/opt/google/${PN}/* || die
	fperms +s /opt/google/${PN}/user-session

	dodir /etc/pam.d
	dosym system-remote-login /etc/pam.d/${PN}

	dodoc usr/share/doc/${PN}/changelog*

	newinitd "${FILESDIR}"/${PN}.rc ${PN}
	newconfd "${FILESDIR}"/${PN}.conf.d ${PN}
}

pkg_postinst() {
	optfeature "Dynamic resolution changes" "x11-apps/xrandr"

	if [[ -z ${REPLACING_VERSIONS} ]] ; then
		elog "Two ways to launch the server:"
		elog "(1) access an existing desktop"
		elog "    (a) install the Chrome plugin on the server & client:"
		elog "        ${PLUGIN_URL}"
		elog "    (b) on the server, run the Chrome plugin & enable remote access"
		elog "    (c) on the client, connect to the server"
		elog "(2) headless system"
		elog "    (a) install the Chrome plugin on the client:"
		elog "        ${PLUGIN_URL}"
		elog "    (b) run ${EPREFIX}/opt/google/chrome-remote-desktop/start-host --help to get the auth URL"
		elog "    (c) when it redirects you to a blank page, look at the URL for a code=XXX field"
		elog "    (d) run start-host again, and past the code when asked for an authorization code"
		elog "    (e) on the client, connect to the server"
		elog
		elog "Configuration settings you might want to be aware of:"
		elog "  ~/.${PN}-session - shell script to start your session"
		elog "  /etc/init.d/${PN} - script to auto-restart server"
	fi
}