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

EAPI=8

inherit cmake java-pkg-2 optfeature xdg

HOMEPAGE="https://prismlauncher.org/ https://github.com/PrismLauncher/PrismLauncher"
DESCRIPTION="A custom, open source Minecraft launcher"

if [[ ${PV} == 9999 ]]; then
	inherit git-r3

	EGIT_REPO_URI="
		https://github.com/PrismLauncher/PrismLauncher
	"

	# TODO: Add tomlplusplus as a system library, like quazip
	EGIT_SUBMODULES=( '*' '-libraries/quazip' '-libraries/filesystem' '-libraries/zlib' '-libraries/extra-cmake-modules' )
else
	MY_PN="PrismLauncher"

	# Let's use the vendored tarball to avoid dealing with the submodules directly
	SRC_URI="
		https://github.com/PrismLauncher/PrismLauncher/releases/download/${PV}/${MY_PN}-${PV}.tar.gz -> ${P}.tar.gz
	"

	# The Prism's files are unpacked to ${WORKDIR}/PrismLauncher-${PV}
	S="${WORKDIR}/${MY_PN}-${PV}"

	KEYWORDS="~amd64 ~arm64"
fi

# GPL-3 for PolyMC (PrismLauncher is forked from it) and Prism itself
# Apache-2.0 for MultiMC (PolyMC is forked from it)
# LGPL-3+ for libnbtplusplus
# MIT for tomlplusplus
# See the rest of PrismLauncher's libraries at https://github.com/PrismLauncher/PrismLauncher/tree/develop/libraries
LICENSE="Apache-2.0 BSD BSD-2 GPL-2+ GPL-3 ISC LGPL-2.1+ LGPL-3+ MIT"

SLOT="0"

IUSE="debug lto qt6 test"
REQUIRED_USE="
	lto? ( !debug )
"

RESTRICT="!test? ( test )"

MIN_QT_5_VERSION="5.12.0"
MIN_QT_6_VERSION="6.0.0"

QT_DEPS="
	!qt6? (
		>=dev-qt/qtconcurrent-${MIN_QT_5_VERSION}:5
		>=dev-qt/qtcore-${MIN_QT_5_VERSION}:5
		>=dev-qt/qtgui-${MIN_QT_5_VERSION}:5
		>=dev-qt/qtnetwork-${MIN_QT_5_VERSION}:5
		>=dev-qt/qttest-${MIN_QT_5_VERSION}:5
		>=dev-qt/qtwidgets-${MIN_QT_5_VERSION}:5
		>=dev-qt/qtxml-${MIN_QT_5_VERSION}:5
	)

	qt6? (
		>=dev-qt/qtbase-${MIN_QT_6_VERSION}:6[concurrent,gui,network,widgets,xml(+)]
		>=dev-qt/qt5compat-${MIN_QT_6_VERSION}:6
	)
"

# Required at both build-time and run-time
COMMON_DEPENDS="
	${QT_DEPS}

	!qt6? ( >=dev-libs/quazip-1.3:=[qt5(+)] )
	 qt6? ( >=dev-libs/quazip-1.3:=[qt6(-)] )

	sys-libs/zlib
"

# The gulrak-filesystem dependency is only needed at build time, because we don't actually use it on Linux,
# only on legacy macOS. Still, we need it present at build time to appease CMake, and having it like this
# makes it easier to maintain than patching the CMakeLists file directly.
BDEPEND="
	app-text/scdoc
	dev-cpp/gulrak-filesystem
	kde-frameworks/extra-cmake-modules:5
"

DEPEND="
	${COMMON_DEPENDS}
	media-libs/libglvnd
	>=virtual/jdk-1.8.0:*
"

# At run-time we don't depend on JDK, only JRE
# And we need more than just the GL headers
RDEPEND="
	${COMMON_DEPENDS}

	!qt6? ( >=dev-qt/qtsvg-${MIN_QT_5_VERSION}:5 )
	 qt6? ( >=dev-qt/qtsvg-${MIN_QT_6_VERSION}:6 )

	>=virtual/jre-1.8.0:*
	virtual/opengl
"

src_prepare() {
	cmake_src_prepare

	# Prevent conflicting with the user's flags
	# See https://bugs.gentoo.org/848765 for more info
	sed -i -e 's/-Werror//' -e 's/-D_FORTIFY_SOURCE=2//' CMakeLists.txt || die 'Failed to remove -Werror and -D_FORTIFY_SOURCE via sed'
}

src_configure(){
	local mycmakeargs=(
		-DCMAKE_INSTALL_PREFIX="/usr"
		# Resulting binary is named prismlauncher
		-DLauncher_APP_BINARY_NAME="${PN}"
		-DLauncher_QT_VERSION_MAJOR=$(usex qt6 6 5)

		-DENABLE_LTO=$(usex lto)
		-DBUILD_TESTING=$(usex test)
	)

	if use debug; then
		CMAKE_BUILD_TYPE=Debug
	else
		CMAKE_BUILD_TYPE=Release
	fi

	cmake_src_configure
}

src_compile(){
	cmake_src_compile
}

pkg_postinst() {
	xdg_pkg_postinst

	# Original issue: https://github.com/PolyMC/PolyMC/issues/227
	optfeature "old Minecraft (<= 1.12.2) support" x11-apps/xrandr

	optfeature "built-in MangoHud support" games-util/mangohud
	optfeature "built-in Feral Gamemode support" games-util/gamemode
}