# Copyright 2019-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit meson

DESCRIPTION="compiz like 3D wayland compositor"
HOMEPAGE="https://github.com/WayfireWM/wayfire"

if [[ ${PV} == 9999 ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/WayfireWM/${PN}.git"
else
	SRC_URI="https://github.com/WayfireWM/${PN}/releases/download/${PV}/${P}.tar.xz"
	KEYWORDS="~amd64 ~arm64 ~x86"
fi

LICENSE="MIT"
SLOT="0"
IUSE="+gles2 +system-wfconfig +system-wlroots elogind systemd debug"
REQUIRED_USE="?? ( elogind systemd )"

DEPEND="
	dev-libs/libevdev
	dev-libs/libinput
	gui-libs/gtk-layer-shell
	media-libs/glm
	media-libs/mesa:=[gles2,wayland,X]
	media-libs/libjpeg-turbo
	media-libs/libpng
	media-libs/freetype:=[X]
	x11-libs/libdrm
	x11-libs/gtk+:3=[wayland,X]
	x11-libs/cairo:=[X,svg]
	x11-libs/libxkbcommon:=[X]
	x11-libs/pixman
	gles2? ( media-libs/libglvnd[X] )
	system-wfconfig? ( ~gui-libs/wf-config-${PV}[debug=] )
	!system-wfconfig? ( !gui-libs/wf-config )
	system-wlroots? ( >=gui-libs/wlroots-0.10.0[elogind=,systemd=,X] )
	!system-wlroots? ( !gui-libs/wlroots )
"

RDEPEND="
	${DEPEND}
	elogind? ( sys-auth/elogind )
	systemd? ( sys-apps/systemd )
	x11-misc/xkeyboard-config
"

BDEPEND="
	${DEPEND}
	virtual/pkgconfig
	>=dev-libs/wayland-protocols-1.18
"

src_compile(){
	local emesonargs=(
		$(meson_feature system-wfconfig use_system_wfconfig)
		$(meson_feature system-wlroots use_system_wlroots)
		$(meson_use gles2 enable_gles32)
	)
	if use debug; then
		emesonargs+=(
			"-Db_sanitize=address,undefined"
		)
	fi
	meson_src_compile
}

src_install() {
	default
	meson_src_install
	einstalldocs

	insinto "/usr/share/wayland-sessions/"
	insopts -m644
	doins wayfire.desktop

	dodoc wayfire.ini

	if ! use systemd && ! use elogind; then
		fowners root:0 /usr/bin/wayfire
		fperms 4511 /usr/bin/wayfire
	fi
}

pkg_postinst() {
	if [ -z "${REPLACING_VERSIONS}" ]; then
		elog "Wayfire has been installed but the session cannot be used"
		elog "until you install a configuration file. The default config"
		elog "file is installed at \"/usr/share/doc/${P}/wayfire.ini.bz2\""
		elog "To install the file execute"
		elog "\$ mkdir -p ~/.config && bzcat /usr/share/doc/${P}/wayfire.ini.bz2 > ~/.config/wayfire.ini"
	fi
}