# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit desktop xdg

# Upstream version scheme: v${PV}+claude${CLAUDE_PV}
# PV tracks the wrapper version; CLAUDE_PV is the upstream app version.
# Update both when bumping.
CLAUDE_PV="1.3561.0"
CLAUDE_EXE_HASH="fbc74be3fdc714a2c46ef1fb84f71d4e4c062930"
MY_TAG="v${PV}+claude${CLAUDE_PV}"

DESCRIPTION="Claude Desktop for Linux (unofficial, repackaged from Windows)"
HOMEPAGE="https://github.com/aaddrick/claude-desktop-debian"
SRC_URI="
	https://github.com/aaddrick/claude-desktop-debian/archive/${MY_TAG}.tar.gz
		-> ${P}-scripts.tar.gz
	amd64? (
		https://downloads.claude.ai/releases/win32/x64/${CLAUDE_PV}/Claude-${CLAUDE_EXE_HASH}.exe
			-> claude-desktop-${CLAUDE_PV}-x64.exe
	)
	arm64? (
		https://downloads.claude.ai/releases/win32/arm64/${CLAUDE_PV}/Claude-${CLAUDE_EXE_HASH}.exe
			-> claude-desktop-${CLAUDE_PV}-arm64.exe
	)
"
S="${WORKDIR}"

# Build scripts: MIT + Apache-2.0; Claude Desktop itself: proprietary (Anthropic Consumer Terms)
LICENSE="MIT Apache-2.0 Anthropic-Consumer-Terms"
SLOT="0"
KEYWORDS="~amd64 ~arm64"

# The build needs network to npm-install electron and @electron/asar.
# This is inherent to the upstream build system.
RESTRICT="mirror strip network-sandbox"

BDEPEND="
	app-arch/p7zip
	media-gfx/icoutils
	media-gfx/imagemagick
	net-misc/wget
	>=net-libs/nodejs-20[npm]
"

# Runtime deps: electron is bundled by the build; these cover its shared lib needs
RDEPEND="
	app-accessibility/at-spi2-core
	dev-libs/expat
	dev-libs/glib:2
	dev-libs/nspr
	dev-libs/nss
	media-libs/alsa-lib
	media-libs/mesa
	sys-apps/dbus
	x11-libs/cairo
	x11-libs/gdk-pixbuf:2
	x11-libs/gtk+:3
	x11-libs/libdrm
	x11-libs/libX11
	x11-libs/libxcb
	x11-libs/libXcomposite
	x11-libs/libXdamage
	x11-libs/libXext
	x11-libs/libXfixes
	x11-libs/libXrandr
	x11-libs/libxkbcommon
	x11-libs/pango
"

QA_PREBUILT="
	usr/lib/claude-desktop/*
"

src_unpack() {
	unpack "${P}-scripts.tar.gz"

	# The GitHub tarball directory name is mangled due to the + in the tag.
	# Find it and give it a predictable name.
	local extracted_dir
	extracted_dir=$(ls -d "${WORKDIR}"/claude-desktop-debian-* 2>/dev/null | head -n 1)
	if [[ -n "${extracted_dir}" ]]; then
		mv "${extracted_dir}" "${WORKDIR}/source" || die "Failed to rename source directory"
	fi
}

src_compile() {
	local exe_name
	if use amd64; then
		exe_name="claude-desktop-${CLAUDE_PV}-x64.exe"
	elif use arm64; then
		exe_name="claude-desktop-${CLAUDE_PV}-arm64.exe"
	fi

	# Run the upstream build script from its own directory (it uses
	# relative paths to find scripts/).
	# --clean no: keep staged files for src_install
	# --build deb: the staging in build/electron-app/ is format-independent;
	#   we stub out dpkg-deb so the final packaging step is a no-op.
	cd "${WORKDIR}/source" || die

	# Create a fake dpkg-deb that exits successfully — we only need
	# the staged files, not the actual .deb package.
	local fake_bin="${T}/fake-bin"
	mkdir -p "${fake_bin}" || die
	printf '#!/bin/sh\nexit 0\n' > "${fake_bin}/dpkg-deb" || die
	chmod +x "${fake_bin}/dpkg-deb" || die

	PATH="${fake_bin}:${PATH}" \
	bash build.sh \
		--exe "${DISTDIR}/${exe_name}" \
		--source-dir "${WORKDIR}/source" \
		--clean no \
		--release-tag "${MY_TAG}" \
		--build deb \
		|| die "build.sh failed"
}

src_install() {
	# The deb packaging script assembles the final layout under
	# build/package/usr/ — use that tree directly.
	local pkg_root="${WORKDIR}/source/build/package/usr"
	local pkg_lib="${pkg_root}/lib/claude-desktop"

	# Main application tree
	insinto /usr/lib/claude-desktop
	doins -r "${pkg_lib}"/node_modules
	doins "${pkg_lib}"/launcher-common.sh
	doins "${pkg_lib}"/doctor.sh

	# Make the electron binary executable
	fperms 0755 /usr/lib/claude-desktop/node_modules/electron/dist/electron

	# chrome-sandbox needs suid for the Chromium sandbox
	fperms 4755 /usr/lib/claude-desktop/node_modules/electron/dist/chrome-sandbox

	# Ensure native .node modules are executable
	local f
	for f in "${pkg_lib}"/node_modules/electron/dist/resources/app.asar.unpacked/node_modules/node-pty/build/Release/*.node; do
		[[ -f "${f}" ]] || continue
		local rel="${f#${pkg_lib}/}"
		fperms 0755 "/usr/lib/claude-desktop/${rel}"
	done

	# SSH helper (in claude-ssh/ subdirectory as of upstream v2.0.0)
	local ssh_base="node_modules/electron/dist/resources/claude-ssh"
	local ssh_helper
	for ssh_helper in "${pkg_lib}/${ssh_base}"/claude-ssh-linux-*; do
		[[ -f "${ssh_helper}" ]] || continue
		fperms 0755 "/usr/lib/claude-desktop/${ssh_base}/${ssh_helper##*/}"
	done

	# Cowork plugin shim (MCP plugin sandboxing helper, introduced in v2.0.0)
	local cowork_rel="node_modules/electron/dist/resources/cowork-plugin-shim.sh"
	[[ -f "${pkg_lib}/${cowork_rel}" ]] \
		&& fperms 0755 "/usr/lib/claude-desktop/${cowork_rel}"

	# Install the launcher script generated by the deb packaging script
	dobin "${pkg_root}"/bin/claude-desktop

	# Icons — the deb packaging script installs them under the standard
	# hicolor hierarchy after icotool extraction.
	local icon_dir="${pkg_root}/share/icons/hicolor"
	local size
	for size in 16 24 32 48 64 256; do
		if [[ -f "${icon_dir}/${size}x${size}/apps/claude-desktop.png" ]]; then
			newicon -s ${size} "${icon_dir}/${size}x${size}/apps/claude-desktop.png" claude-desktop.png
		fi
	done

	# Desktop entry — the launcher-common.sh doctor check expects
	# exactly /usr/share/applications/claude-desktop.desktop
	make_desktop_entry --eapi9 \
		--desktopid claude-desktop \
		"/usr/bin/claude-desktop" \
		--args "%u" \
		--name "Claude" \
		--icon claude-desktop \
		--categories "Office;Utility;" \
		--entry "MimeType=x-scheme-handler/claude;" \
		--entry "StartupWMClass=Claude"
}

pkg_postinst() {
	xdg_pkg_postinst

	elog "Claude Desktop has been installed."
	elog ""
	elog "NOTE: This is an unofficial build. Anthropic does not officially"
	elog "support Linux. For official support, visit https://anthropic.com"
	elog ""
	elog "MCP configuration: ~/.config/Claude/claude_desktop_config.json"
	elog "Run 'claude-desktop --doctor' to check your setup."
	elog ""
	elog "If you experience sandbox issues, you may need to run:"
	elog "  chmod 4755 /usr/lib/claude-desktop/node_modules/electron/dist/chrome-sandbox"
	elog "or start with --no-sandbox (not recommended)."
}