# Contributor: Lauren N. Liberda <lauren@selfisekai.rocks>
# Maintainer: Lauren N. Liberda <lauren@selfisekai.rocks>
pkgname=signal-desktop
pkgver=6.18.1
pkgrel=1
pkgdesc="A messaging app for simple private communication with friends"
url="https://github.com/signalapp/Signal-Desktop/"
# same as electron
# aarch64: polyval-0.5.3 crate subdep uses unstable stdsimd feature
arch="x86_64"
license="AGPL-3.0-only"
depends="
	electron
	font-barlow
	font-eb-garamond
	font-inter
	font-parisienne
	"
makedepends="
	alsa-lib-dev
	bsd-compat-headers
	cargo
	cargo-auditable
	cbindgen
	clang-dev
	cmake
	electron-dev
	electron-tasje
	ffmpeg-dev
	git-lfs
	glib-dev
	gn
	libepoxy-dev
	libevent-dev
	libvpx-dev
	lld
	llvm-dev
	mesa-dev
	nodejs
	npm
	openh264-dev
	openssl-dev
	opus-dev
	pipewire-dev
	protoc
	pulseaudio-dev
	py3-setuptools
	python3
	samurai
	sqlcipher-dev
	vips-dev
	yarn
	"
options="net !check"

# follow signal-desktop package.json -> @signalapp/libsignal-client
_libsignalver=0.22.0

# follow signal-desktop package.json -> @signalapp/ringrtc
_ringrtcver=2.26.4

# follow ringrtc (on version above) -> config/version.properties -> webrtc.version
# downloading tarball generated with abuild snapshot (with gclient dependencies fetched)
_webrtcver=5481c

# follow @signalapp/better-sqlite3 (on version in package.json) -> deps/download.js -> TOKENIZER_VERSION
# last bsqlite version: 8.4.3
_stokenizerver=0.2.1

source="
	https://github.com/signalapp/Signal-Desktop/archive/refs/tags/v$pkgver/Signal-Desktop-$pkgver.tar.gz
	https://github.com/signalapp/libsignal/archive/refs/tags/v$_libsignalver/libsignal-$_libsignalver.tar.gz
	https://github.com/signalapp/ringrtc/archive/refs/tags/v$_ringrtcver/ringrtc-$_ringrtcver.tar.gz
	https://s3.sakamoto.pl/lnl-aports-snapshots/webrtc-$_webrtcver.tar.xz
	https://github.com/signalapp/Signal-FTS5-Extension/archive/refs/tags/v$_stokenizerver/stokenizer-$_stokenizerver.tar.gz

	bettersqlite-use-system-sqlcipher.patch
	libsignal-too-new-clang.patch
	libsignal-fix-build-rust-1.69.patch
	signal-disable-updates.patch
	signal-update-links.patch
	signal-tasje-whatever-the-fuck-is-ignore-doing-here.patch
	signal-show-window-please.patch
	ringrtc-webrtc-renamed.patch
	webrtc-shared-like-my-wife.patch
	webrtc-use-alpine-target.patch
	webrtc-gcc13.patch

	signal-desktop
	"
builddir="$srcdir/Signal-Desktop-$pkgver"

export CC=clang
export CXX=clang++

# required to find the tools
export AR=llvm-ar
export NM=llvm-nm
export LD=clang++

# less log spam, reproducible, allow lto with rust
export CFLAGS="${CFLAGS/-g/} -O2 -Wno-error -Wno-deprecated-builtins -Wno-unknown-warning-option -Wno-builtin-macro-redefined -Wno-deprecated-declarations"
export CXXFLAGS="${CXXFLAGS/-g/} -O2 -Wno-error -Wno-deprecated-builtins -Wno-unknown-warning-option -Wno-builtin-macro-redefined -Wno-deprecated-declarations"
export CPPFLAGS="$CPPFLAGS -D__DATE__=  -D__TIME__=  -D__TIMESTAMP__="

export CARGO_PROFILE_RELEASE_OPT_LEVEL=2
export CARGO_PROFILE_RELEASE_STRIP="symbols"
export RUSTFLAGS="$RUSTFLAGS -C linker=clang -C link-arg=-fuse-ld=lld"

export YARN_CACHE_FOLDER="$srcdir/.yarn"

# webrtc only, the other dependencies are fine with tarballs
snapshot() {
	mkdir -p "$srcdir"
	cd "$srcdir"

	# cleanup if retrying
	rm -rf src
	rm -rf webrtc-$_webrtcver
	rm -f webrtc-$_webrtcver.tar
	rm -f webrtc-$_webrtcver.tar.xz

	echo "
solutions = [{
	'name': 'src',
	'url': 'https://github.com/signalapp/webrtc.git@$_webrtcver',
}]
target_cpu = ['x64', 'arm64']
target_cpu_only = True
" > .gclient

	gclient sync --no-history --nohooks --tpot-cipd-ignore-platformed

	# needed DEPS hooks
	python3 'src/build/landmines.py' --landmine-scripts 'src/tools_webrtc/get_landmines.py' --src-dir 'src'
	python3 'src/build/util/lastchange.py' -o 'src/build/util/LASTCHANGE'

	for elf in $(scanelf -RA -F "%F" src); do
		rm -f "$elf"
	done

	mv src webrtc-$_webrtcver

	msg "generating tarball.."
	tar -cf webrtc-$_webrtcver.tar \
		--exclude="ChangeLog*" \
		--exclude="testdata/" \
		--exclude="test_data/" \
		--exclude="android_rust_toolchain/toolchain/" \
		--exclude="base/" \
		--exclude-backups \
		--exclude-caches-all \
		--exclude-vcs \
		webrtc-$_webrtcver

	xz -T0 -e -9 -vv -k webrtc-$_webrtcver.tar
}

prepare() {
	msg "Applying patches"
	for x in $source; do
		case "$x" in
		signal-*.patch)
			msg "$x"
			patch -p1 -i "$srcdir"/$x -d "$srcdir"/Signal-Desktop-$pkgver
			;;
		libsignal-*.patch)
			msg "$x"
			patch -p1 -i "$srcdir"/$x -d "$srcdir"/libsignal-$_libsignalver
			;;
		ringrtc-*.patch)
			msg "$x"
			patch -p1 -i "$srcdir"/$x -d "$srcdir"/ringrtc-$_ringrtcver
			;;
		webrtc-*.patch)
			msg "$x"
			patch -p1 -i "$srcdir"/$x -d "$srcdir"/webrtc-$_webrtcver
			;;
		esac
	done

	msg "Installing signal-desktop JS dependencies"
	echo 'ignore-engines true' > .yarnrc
	yarn --ignore-scripts --frozen-lockfile

	(
		cd "$srcdir"/webrtc-$_webrtcver

		local use_system="
			ffmpeg
			fontconfig
			freetype
			harfbuzz-ng
			icu
			libdrm
			libevent
			libpng
			libwebp
			libxml
			libxslt
			openh264
			opus
			re2
			snappy
			zlib
			"
		for _lib in $use_system; do
			msg "Removing buildscripts for system provided $_lib"
			find . -type f -path "*third_party/$_lib/*" \
				\! -path "*third_party/$_lib/chromium/*" \
				\! -path "*third_party/$_lib/google/*" \
				\! -path './base/third_party/icu/*' \
				\! -path './third_party/libxml/*' \
				\! -path './third_party/pdfium/third_party/freetype/include/pstables.h' \
				\! -path './third_party/harfbuzz-ng/utils/hb_scoped.h' \
				\! -path './third_party/crashpad/crashpad/third_party/zlib/zlib_crashpad.h' \
				\! -regex '.*\.\(gn\|gni\|isolate\|py\)' \
				-delete
		done

		msg "Replacing gn files"
		python3 build/linux/unbundle/replace_gn_files.py --system-libraries \
			$use_system

		# allow system dependencies in "official builds"
		sed -i 's/OFFICIAL_BUILD/GOOGLE_CHROME_BUILD/' \
			tools/generate_shim_headers/generate_shim_headers.py

		mkdir path
		ln -s /usr/bin/python3 path/vpython3
	)

	(
		cd "$srcdir"/ringrtc-$_ringrtcver/src/rust

		msg "Installing ringrtc rust dependencies"
		cargo fetch --target="$CTARGET" --locked
	)

	(
		cd "$srcdir"/libsignal-$_libsignalver

		msg "Installing libsignal rust dependencies"
		cargo fetch --target="$CTARGET" --locked
	)

	(
		cd "$srcdir"/Signal-FTS5-Extension-$_stokenizerver

		msg "Installing signal tokenizer rust dependencies"
		cargo fetch --target="$CTARGET" --locked
	)

	(
		cd "$srcdir"/ringrtc-$_ringrtcver/src/node

		msg "Installing ringrtc js dependencies"
		yarn --frozen-lockfile --ignore-scripts
	)

	(
		cd "$srcdir"/libsignal-$_libsignalver/node

		# fix target
		sed -i 's/unknown-linux-gnu/alpine-linux-musl/g' binding.gyp

		msg "Installing libsignal js dependencies"
		yarn --ignore-scripts --frozen-lockfile
	)

	# remove shipped fonts for system-provided (part 1)
	rm -rf fonts/
}

build() {
	chromium_arch="$(node -e 'console.log(process.arch)')"

	# required dependency of ringrtc
	(
		cd "$srcdir"/webrtc-$_webrtcver
		export PATH="$PWD/path:$PATH"

		# shellcheck disable=2089
		local webrtc_args="
			rtc_build_examples=false
			rtc_build_tools=false
			rtc_enable_protobuf=false
			rtc_enable_sctp=false
			rtc_include_tests=false
			rtc_include_ilbc=false
			rtc_libvpx_build_vp9=true
			rtc_use_x11=false

			build_with_mozilla=false
			chrome_pgo_phase=0
			clang_use_chrome_plugins=false
			clang_base_path=\"/usr\"
			custom_toolchain=\"//build/toolchain/linux/unbundle:default\"
			is_cfi=false
			is_clang=true
			is_debug=false
			is_official_build=true
			host_toolchain=\"//build/toolchain/linux/unbundle:default\"
			proprietary_codecs=true
			rtc_link_pipewire=true
			rtc_use_pipewire=true
			symbol_level=0
			use_custom_libcxx=false
			use_sysroot=false
		"
		mkdir -p "$srcdir"/ringrtc-$_ringrtcver/out/release
		msg "Building signal's webrtc"
		# shellcheck disable=2090,2116
		gn gen "$srcdir"/ringrtc-$_ringrtcver/out/release --args="$(echo $webrtc_args)"
		ninja -C "$srcdir"/ringrtc-$_ringrtcver/out/release signaldeswebrtc
	)

	(
		cd "$srcdir"/ringrtc-$_ringrtcver/src/rust

		msg "Building libringrtc"
		OUTPUT_DIR="$srcdir"/ringrtc-$_ringrtcver/out \
			cargo auditable build --features electron --release

		mkdir -p ../node/build/linux
		cp -fv ../../out/release/libsignaldeswebrtc.so ../node/build/linux/libsignaldeswebrtc.so
		cp -fv target/release/libringrtc.so ../node/build/linux/libringrtc-$chromium_arch.node
	)

	(
		cd "$srcdir"/ringrtc-$_ringrtcver/src/node
		msg "Building ringrtc JS glue code"
		yarn build

		msg "Cleaning dev dependencies for ringrtc"
		yarn --ignore-scripts --frozen-lockfile --production
	)

	# module on npm intentionally unbuildable: https://github.com/signalapp/libsignal/issues/464#issuecomment-1160665052
	(
		cd "$srcdir"/libsignal-$_libsignalver/node

		msg "Building libsignal"
		yarn node-gyp configure --nodedir=/usr/include/electron/node_headers --build-from-source
		yarn node-gyp build --nodedir=/usr/include/electron/node_headers --build-from-source

		mkdir -p prebuilds/linux-$chromium_arch
		mv build/Release/libsignal_client_linux_$chromium_arch.node prebuilds/linux-$chromium_arch/node.napi.node

		msg "Building libsignal glue code"
		yarn tsc

		msg "Cleaning dev dependencies for libsignal"
		yarn --ignore-scripts --frozen-lockfile --production
	)

	(
		cd "$srcdir"/Signal-FTS5-Extension-$_stokenizerver

		msg "Building signal tokenizer"
		cargo auditable build --features extension --release --frozen
		cbindgen --profile release . -o target/release/signal-tokenizer.h
	)

	# from package.json postinstall
	yarn build:acknowledgments
	yarn patch-package
	rm -rf node_modules/dtrace-provider

	# get esbuild installed (needed for next step)
	npm rebuild esbuild

	# build front
	NODE_ENV=production \
	SIGNAL_ENV=production \
	NODE_OPTIONS=--openssl-legacy-provider \
	yarn build:dev

	# purge non-production deps
	yarn install --ignore-scripts --frozen-lockfile --production

	# XXX: the previous step undoes the patches. and removes the patch applier.
	# please force me to just implement packaging without dev modules in tasje. -lnl
	for x in patches/*.patch; do
		# some of these patches are made for devDependencies
		if [ -d "$(grep -Eo 'node_modules/(@[a-z\d_-]+/)?[a-z\d_-]+/' "$x" | head -n1)" ]; then
			msg "$x"
			patch -Np1 -i ./"$x"
		fi
	done

	# use our libsignal
	rm -rf node_modules/@signalapp/libsignal-client/
	mv "$srcdir"/libsignal-$_libsignalver/node/ node_modules/@signalapp/libsignal-client

	# use our libringrtc
	rm -rf node_modules/@signalapp/ringrtc/
	mv "$srcdir"/ringrtc-$_ringrtcver/src/node/ node_modules/@signalapp/ringrtc

	# patch the sqlcipher module
	for x in $source; do
		case "$x" in
		bettersqlite-*.patch)
			msg "$x"
			patch -Np1 -i "$srcdir"/$x -d "$srcdir"/Signal-Desktop-$pkgver/node_modules/@signalapp/better-sqlite3/
			;;
		esac
	done

	mkdir node_modules/@signalapp/better-sqlite3/tokenizer
	mv "$srcdir"/Signal-FTS5-Extension-$_stokenizerver/target/release/libsignal_tokenizer.a node_modules/@signalapp/better-sqlite3/tokenizer/
	mv "$srcdir"/Signal-FTS5-Extension-$_stokenizerver/target/release/signal-tokenizer.h node_modules/@signalapp/better-sqlite3/tokenizer/

	npm rebuild \
		sharp @signalapp/better-sqlite3 spellchecker websocket \
		utf-8-validate bufferutil fs-xattr \
		--nodedir=/usr/include/electron/node_headers --build-from-source

	# unnecessary/unused native modules, blobs
	find node_modules -type d -path '**/prebuilds' \
		\! -path 'node_modules/@signalapp/libsignal-client/prebuilds' -exec rm -r {} \+
	find node_modules -type d -path '**/build/*/obj.target' -exec rm -r {} \+
	rm -r 'node_modules/@signalapp/libsignal-client/build/'
	find node_modules/@signalapp/better-sqlite3 -type f -path 'build/**/*' \
		\! -path 'build/Release/better_sqlite3.node' -delete
	rm -r 'node_modules/@signalapp/better-sqlite3/tokenizer'

	SIGNAL_ENV=production \
	tasje pack
}

check() {
	# tests run against downloaded build of electron for glibc, probably can be patched
	yarn test
}

package() {
	cd "$builddir"/tasje_out

	install -Dm644 resources/app.asar "$pkgdir"/usr/lib/$pkgname/app.asar
	cp -r resources/app.asar.unpacked "$pkgdir"/usr/lib/$pkgname/app.asar.unpacked
	install -Dm644 $pkgname.desktop "$pkgdir"/usr/share/applications/$pkgname.desktop

	# this should be in /usr/lib/signal-desktop. however, it does not simply work and I stopped to care
	install -Dm755 "$srcdir"/ringrtc-$_ringrtcver/out/release/libsignaldeswebrtc.so "$pkgdir"/usr/lib/libsignaldeswebrtc.so

	install -Dm755 "$srcdir"/$pkgname "$pkgdir"/usr/bin/$pkgname

	while read -r size; do
		install -Dm644 icons/$size.png "$pkgdir"/usr/share/icons/hicolor/$size/apps/$pkgname.png
	done < icons/size-list
}

sha512sums="
e9adc32f15f0f62bfd23adf0de46dea12433e93a585b9ba9fbdbd4000c17b88ddcbf9b65038f2ae232d1b591c9fe3b04e6ced3598a449bffe3b0123ce0c8d3af  Signal-Desktop-6.18.1.tar.gz
9483c8d302728d6caa123f1fb9a977c7cb3aea09ecd1d2cfb3b19f2f2c66f884c41e37642c89db4eeeb0d607fddf281ba27ba4bd0a90e43b972d0cbc607e1483  libsignal-0.22.0.tar.gz
684405e325a5c9cc0446b4e8ab949e888bf699f20f8a7bd64cb741c712b6d42b79d87a518720f6393ab667c9bef442dbb85404128302a41c8caf4d33711bb41e  ringrtc-2.26.4.tar.gz
ef35942c377a2681ebdea2b68c6d3af0712cd866d143b50479b1e03de274c324b57059ea9f88b5c20d08c3b5b2b0aad8aed52e713aa2eb3da45b642d1aaae418  webrtc-5481c.tar.xz
84a1f2fc29262a12842e94698d124a85b823128e72a493b0be8ea92fbb72c5c268499f4a6827cdedaae06ec73cce4039a39fe5c5d536cbef330e59ba0183da28  stokenizer-0.2.1.tar.gz
be5b4e823543b79175a12314f10c6326d9f0d59f470136962daed4665887006acc05b48b40dc1b67747396d8f6f7d23be298c1e110ccdd35ff9b09d5e6b80bab  bettersqlite-use-system-sqlcipher.patch
78be44ef201d9e6e127979a496f7244c8d93e936f85ad8753fea1646e6142f8a0dbff705ba612c8c724d19e6a9e89ccae254719326021818e04cccef452fc308  libsignal-too-new-clang.patch
f2b39498192744fadb7e2b969979653a5bd84af0befcc0a9b2ac60f63a487cc2d0d90a0345c7e884c84b3759c62f07d97c576ef1e2b271bdd993893e26a45c5c  libsignal-fix-build-rust-1.69.patch
60a45285d885922f5c21f64b761a10efbee9081baf3efa4c8c13abc6a43dc4d27662ed10e239b0fa2071ab9e3a0dbbb4b11d6e3d26fe2b74a19f39e72b74a5bd  signal-disable-updates.patch
d50eb5724502df9ea4d795db8cfc27af767c25168d7db2af512e615be7cc2ca290210a9ae78e1abb153c0198677e858ad3d74926c958099d0319295e7d9e7f1d  signal-update-links.patch
ae91177b9df6bd5ac5cdbe28e6b591138d2c4b057dde84596ac89fc46e94bf713da18f652346486ebb1c88e7035d595b757b099b160aafa2c7cf103dfb2db8ab  signal-tasje-whatever-the-fuck-is-ignore-doing-here.patch
646d303fe58cae3f0896ae0275a66695b902fae6ddde7c568cc9798157dee9f45ceff907bc951fadc4c511d512a73d114b4e4f7c8914e2311c63929d29e1621a  signal-show-window-please.patch
ab51b8fdcda1d8811213d2c5d8cb5d8457b478a02e23ce40f36b38ec56d45a3bd7a2d184720c27046f98a27771551cfad93c1290fe93856cc02695d318b33e47  ringrtc-webrtc-renamed.patch
9d92389637cdda83a0a7039fa6c52516d7bc491d0b1e42d5374b9d1f4fa7b9c930642f2dca896da17a2dc3344fa1bb97434c8dddd0539a4fedfd0dec809fc875  webrtc-shared-like-my-wife.patch
354f516a74c5491727afe084ef7688b3e1359d230daa720ffc30b33d3ea7579c9f37a50fbdc5fe2e8dc5322e42a0a39e4ae3449d4cf5b77daed2229bd743028c  webrtc-use-alpine-target.patch
209a606c0fa5ee517df4b8492932f20761dced3324e05a669fdf47c06a175aa5d5900e54e822ccd39fd57edfa4e689537e34a3b26918cc5da7a41633f5a1f162  webrtc-gcc13.patch
87534e7b5ad7365509eab75629e6bd1a9ed61ee92f7e358405a0abaf0df57de14623fb3894eb082f8785422e5c087e1c50f9e2e5cafbb2529591fd7bf447f7f5  signal-desktop
"