# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit edo git-r3

DESCRIPTION="Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration."
HOMEPAGE="ghostty.org"
EGIT_REPO_URI="https://github.com/ghostty-org/ghostty.git"

LICENSE="MIT"
SLOT="0"

EZIG_MIN="0.13"
EZIG_MAX_EXCLUSIVE="0.14"

# RDEPEND="${DEPEND}"
BDEPEND="
	gui-libs/gtk[X]
"

QA_FLAGS_IGNORED="usr/bin/ghostty"

# S="${WORKDIR}/${PN}"

# Many thanks to Florian Schmaus (Flowdalic)!
# Adapted from https://github.com/gentoo/gentoo/pull/28986
# Set the EZIG environment variable.
zig-set_EZIG() {
	[[ -n ${EZIG} ]] && return

	if [[ -n ${EZIG_OVERWRITE} ]]; then
		export EZIG="${EZIG_OVERWRITE}"
		return
	fi

	local candidate selected selected_ver ver

	for candidate in "${BROOT}"/usr/bin/zig-*; do
		if [[ ! -L ${candidate} || ${candidate} != */zig?(-bin)-+([0-9.]) ]]; then
			continue
		fi

		ver=${candidate##*-}

		if [[ -n ${EZIG_EXACT_VER} ]]; then
			ver_test "${ver}" -ne "${EZIG_EXACT_VER}" && continue

			selected="${candidate}"
			selected_ver="${ver}"
			break
		fi

		if [[ -n ${EZIG_MIN} ]] \
			   && ver_test "${ver}" -lt "${EZIG_MIN}"; then
			# Candidate does not satisfy EZIG_MIN condition.
			continue
		fi

		if [[ -n ${EZIG_MAX_EXCLUSIVE} ]] \
			   && ver_test "${ver}" -ge "${EZIG_MAX_EXCLUSIVE}"; then
			# Candidate does not satisfy EZIG_MAX_EXCLUSIVE condition.
			continue
		fi

		if [[ -n ${selected_ver} ]] \
			   && ver_test "${selected_ver}" -gt "${ver}"; then
			# Candidate is older than the currently selected candidate.
			continue
		fi

		selected="${candidate}"
		selected_ver="${ver}"
	done

	if [[ -z ${selected} ]]; then
		die "Could not find (suitable) zig installation in ${BROOT}/usr/bin"
	fi

	export EZIG="${selected}"
	export EZIG_VER="${selected_ver}"
}

# Invoke zig with the optionally provided arguments.
ezig() {
	zig-set_EZIG

	# Unfortunately, we cannot add more args here, since syntax is different
	# for every subcommands. Yes, even target/cpu :( f.i. :
	# -target/-mcpu for zig build-exe vs -Dtarget/-Dcpu for zig build-
	# -OReleaseSafe for zig build-exe vs -DReleaseSafe for zig build
	# (or even none, if hardcoded by upstream so choice is -Drelease=true/false)
	# Ofc we can patch this, but still...

	edo "${EZIG}" "${@}"
}

src_unpack() {
	git-r3_fetch
	git-r3_checkout
	cd ${S} || return
	zig build --fetch 2>/dev/null
	zig build --fetch 2>/dev/null
	zig build --fetch 2>/dev/null
}

src_configure() {
	zig-set_EZIG
	export ZIG=${EZIG}
}

src_compile() {
	ezig build -Doptimize=ReleaseFast
}

src_test() {
	ezig build test -Doptimize=ReleaseFast
}

src_install() {
	ezig build -p "${ED}"/usr -Doptimize=ReleaseFast
}