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# Copyright 2025 Shota FUJI
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

{ stdenvNoCC, callPackage, zig, gtk4, pkg-config, libjpeg, libadwaita, librsvg, libgee, vala, coreutils, wrapGAppsHook4 }:
stdenvNoCC.mkDerivation {
	pname = "plac-gtk-adwaita";
	version = "0.0.0";
	src = ../.;

	meta = {
		mainProgram = "jp.pocka.plac.gtk-adwaita";
	};

	nativeBuildInputs = [
		zig.hook

		# > Zig is a general-purpose programming language and toolchain for maintaining
		# > robust, optimal and reusable software.
		# https://ziglang.org/
		zig

		# > pkg-config is a helper tool used when compiling applications and libraries.
		# https://www.freedesktop.org/wiki/Software/pkg-config/
		pkg-config

		# > Vala is a programming language using modern high level abstractions without
		# > imposing additional runtime requirements and without using a different ABI
		# > compared to applications and libraries written in C.
		# https://vala.dev/
		vala

		# Installed for "realpath" command.
		coreutils
	];

	buildInputs = [
		# > The GTK toolkit
		# https://docs.gtk.org/gtk4/
		gtk4

		# > Faster (using SIMD) libjpeg implementation
		# https://libjpeg-turbo.org/
		libjpeg

		# Provides styles and widgets following GNOME Human Interface Guideline.
		# (https://developer.gnome.org/hig/index.html)
		# > Building blocks for modern GNOME applications
		# https://gnome.pages.gitlab.gnome.org/libadwaita/
		# https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/
		# https://valadoc.org/libadwaita-1/index.htm
		libadwaita

		# Required library for GTK4/Adwaita, albeit undocumented.
		# > A library to render SVG images to Cairo surfaces.
		# https://gitlab.gnome.org/GNOME/librsvg
		librsvg

		# Necessary library to use collection types such as HashMap and ArrayList in Vala.
		# https://wiki.gnome.org/Projects/Libgee
		# https://valadoc.org/gee-0.8/index.htm
		libgee

		# This helper takes care of GLib/GTK's messy runtime things.
		# https://nixos.org/manual/nixpkgs/stable/#sec-language-gnome
		wrapGAppsHook4
	];

	zigBuildFlags = [
		"--system" (callPackage ../../core/nix/deps.nix {})
		"-Dcompile-gschema"
	];

	# zon2nix does not support path dependency, and Zig seems not to have a way to set multiple
	# dependencies directory nor specify directory name via flags.
	postPatch = ''
		substituteInPlace build.zig.zon \
			--replace "../core" $(realpath --relative-to=. ${callPackage ../../core/nix/package.nix {}})
	'';
}