%global build_timestamp %(date +"%Y%m%d")

# use sed to replace these values
%global build_version 0.4.8
%global branch master
%global commit v%{build_version}

%undefine _hardened_build

%bcond_with cuda
%bcond_with tests

%global boost_version 1.88.0
%global boost_dir %{_builddir}/boost-%{boost_version}-cmake

Name: Apollo
Version: %{build_version}
Release: 1%{?dist}
Summary: A self-hosted game stream server
License: GPLv3-only
URL: https://github.com/ClassicOldSong/Apollo
Source0: %{url}/archive/refs/tags/v%{build_version}.tar.gz

BuildRequires: appstream
BuildRequires: boost-devel
BuildRequires: cmake >= 3.25.0
BuildRequires: desktop-file-utils
BuildRequires: libappstream-glib
BuildRequires: libayatana-appindicator3-devel
BuildRequires: libcap-devel
BuildRequires: libcurl-devel
BuildRequires: libdrm-devel
BuildRequires: libevdev-devel
BuildRequires: libgudev
BuildRequires: libnotify-devel
BuildRequires: libva-devel
BuildRequires: libX11-devel
BuildRequires: libxcb-devel
BuildRequires: libXcursor-devel
BuildRequires: libXfixes-devel
BuildRequires: libXi-devel
BuildRequires: libXinerama-devel
BuildRequires: libXrandr-devel
BuildRequires: libXtst-devel
BuildRequires: git
BuildRequires: mesa-libGL-devel
BuildRequires: mesa-libgbm-devel
BuildRequires: miniupnpc-devel
BuildRequires: npm
BuildRequires: numactl-devel
BuildRequires: openssl-devel
BuildRequires: opus-devel
BuildRequires: pulseaudio-libs-devel
BuildRequires: rpm-build
BuildRequires: systemd-udev
BuildRequires: systemd-rpm-macros
%{?sysusers_requires_compat}
BuildRequires: wget
BuildRequires: which

# for unit tests
BuildRequires: xorg-x11-server-Xvfb

# Conditional BuildRequires for cuda-gcc based on Fedora version
%if 0%{?fedora} <= 41
BuildRequires: gcc13
BuildRequires: gcc13-c++
%global gcc_version 13
%global cuda_version 12.9.1
%global cuda_build 575.57.08
%elif %{?fedora} >= 42
BuildRequires: gcc14
BuildRequires: gcc14-c++
%global gcc_version 14
%global cuda_version 12.9.1
%global cuda_build 575.57.08
%endif

%global cuda_dir %{_builddir}/cuda

Requires: libayatana-appindicator3 >= 0.5.3
Requires: libcap >= 2.22
Requires: libcurl >= 7.0
Requires: libdrm > 2.4.97
Requires: libevdev >= 1.5.6
Requires: libopusenc >= 0.2.1
Requires: libva >= 2.14.0
Requires: libwayland-client >= 1.20.0
Requires: libX11 >= 1.7.3.1
Requires: miniupnpc >= 2.2.4
Requires: numactl-libs >= 2.0.14
Requires: openssl >= 3.0.2
Requires: pulseaudio-libs >= 10.0
Requires: which >= 2.21

%description
A self-hosted game stream server.

%prep
# extract tarball to current directory
git clone --recurse-submodules --branch v%{build_version} %{url}.git %{_builddir}/Apollo

# list directory
ls -a %{_builddir}/Apollo

# prune unwanted vendored copies if present
rm -rf \
  %{_builddir}/Apollo/packaging/linux/flatpak/deps/flatpak-builder-tools \
  %{_builddir}/Apollo/packaging/linux/flatpak/deps/shared-modules \
  %{_builddir}/Apollo/third-party/doxyconfig \
  %{_builddir}/Apollo/third-party/nv-codec-headers

# align names with Apollo branding
sed -E -e 's&\bsunshine\b&"apollo"&g' -i %{_builddir}/Apollo/cmake/prep/init.cmake %{_builddir}/Apollo/cmake/packaging/unix.cmake
sed -E -e '/set\(PROJECT_FQDN/s&^.*$&set(PROJECT_FQDN "apollo")&' -i %{_builddir}/Apollo/cmake/compile_definitions/linux.cmake
sed -E -e 's&\bsunshine\b&apollo&g' -i %{_builddir}/Apollo/cmake/targets/common.cmake

# make Boost.Process compatible with Fedora's Boost
find %{_builddir}/Apollo/src -type f \( -name "*.h" -o -name "*.cpp" \) -print0 | xargs -0 sed -E -i \
  -e 's&boost/process/v1/&boost/process/&g' \
  -e 's&boost::process::v1::&boost::process::&g' \
  -e 's&boost::process::v1\b&boost::process&g'

# disable unwanted macros
sed 's&macro(find_package)&macro(_disable_find_package)&' -i %{_builddir}/Apollo/cmake/macros/common.cmake

# fix for Boost 1.89
sed -E -e 's&\b(Boost::)?(system)\b&&' -i %{_builddir}/Apollo/third-party/Simple-Web-Server/CMakeLists.txt

cat > %{_builddir}/Apollo/cmake/dependencies/Boost_Sunshine.cmake << 'END'
include_guard(GLOBAL)
find_package(Boost COMPONENTS filesystem locale log program_options)
message(STATUS "Boost include dirs: ${Boost_INCLUDE_DIRS}")
message(STATUS "Boost libraries: ${Boost_LIBRARIES}")
END

%build
# exit on error
set -e

# Detect the architecture and Fedora version
architecture=$(uname -m)

cuda_supported_architectures=("x86_64" "aarch64")

# Pre-fetch Boost via CMake FetchContent to get newer headers (boost.process v1)
function fetch_boost_cmake() {
  if [ -f "%{boost_dir}/CMakeLists.txt" ]; then
    return
  fi

  local boost_url="https://github.com/boostorg/boost/releases/download/boost-%{boost_version}/boost-%{boost_version}-cmake.tar.xz"
  echo "boost url: ${boost_url}"
  mkdir -p "%{boost_dir}"
  wget \
    "$boost_url" \
    --progress=bar:force:noscroll \
    --retry-connrefused \
    --tries=3 \
    -q -O "%{_builddir}/boost-cmake.tar.xz"
  tar -xf "%{_builddir}/boost-cmake.tar.xz" -C "%{boost_dir}" --strip-components=1
  rm -f "%{_builddir}/boost-cmake.tar.xz"
}

# prepare CMAKE args
cmake_args=(
  "-B=%{_builddir}/Apollo/build"
  "-G=Unix Makefiles"
  "-S=."
  "-DBUILD_DOCS=OFF"
  "-DBUILD_WERROR=ON"
  "-DCMAKE_BUILD_TYPE=Release"
  "-DCMAKE_INSTALL_PREFIX=%{_prefix}"
  "-DSUNSHINE_ASSETS_DIR=%{_datadir}/apollo"
  "-DSUNSHINE_EXECUTABLE_PATH=%{_bindir}/apollo"
  "-DSUNSHINE_ENABLE_WAYLAND=ON"
  "-DSUNSHINE_ENABLE_X11=ON"
  "-DSUNSHINE_ENABLE_DRM=ON"
  "-DSUNSHINE_PUBLISHER_NAME=Apollo"
  "-DSUNSHINE_PUBLISHER_WEBSITE=https://github.com/ClassicOldSong/Apollo"
  "-DSUNSHINE_PUBLISHER_ISSUE_URL=https://github.com/ClassicOldSong/Apollo/issues"
  "-DFETCHCONTENT_SOURCE_DIR_BOOST=%{boost_dir}"
)

export CC=gcc-%{gcc_version}
export CXX=g++-%{gcc_version}

function install_cuda() {
  # check if we need to install cuda
  if [ -f "%{cuda_dir}/bin/nvcc" ]; then
    echo "cuda already installed"
    return
  fi

  local cuda_prefix="https://developer.download.nvidia.com/compute/cuda/"
  local cuda_suffix=""
  if [ "$architecture" == "aarch64" ]; then
    local cuda_suffix="_sbsa"
  fi

  local url="${cuda_prefix}%{cuda_version}/local_installers/cuda_%{cuda_version}_%{cuda_build}_linux${cuda_suffix}.run"
  echo "cuda url: ${url}"
  wget \
    "$url" \
    --progress=bar:force:noscroll \
    --retry-connrefused \
    --tries=3 \
    -q -O "%{_builddir}/cuda.run"
  chmod a+x "%{_builddir}/cuda.run"
  "%{_builddir}/cuda.run" \
    --no-drm \
    --no-man-page \
    --no-opengl-libs \
    --override \
    --silent \
    --toolkit \
    --toolkitpath="%{cuda_dir}"
  rm "%{_builddir}/cuda.run"

  # we need to patch math_functions.h on fedora 42+
  # see https://forums.developer.nvidia.com/t/error-exception-specification-is-incompatible-for-cospi-sinpi-cospif-sinpif-with-glibc-2-41/323591/3
  if [ "%{?fedora}" -ge 42 ]; then
    echo "Original math_functions.h:"
    find "%{cuda_dir}" -name math_functions.h -exec cat {} \;

    # Apply the patch
    patch -p2 \
      --backup \
      --directory="%{cuda_dir}" \
      --verbose \
      < "%{_builddir}/Apollo/packaging/linux/patches/${architecture}/01-math_functions.patch"
  fi
}

%if %{with cuda}
if [ -n "%{cuda_version}" ] && [[ " ${cuda_supported_architectures[@]} " =~ " ${architecture} " ]]; then
  install_cuda
  cmake_args+=("-DSUNSHINE_ENABLE_CUDA=ON")
  cmake_args+=("-DCMAKE_CUDA_COMPILER:PATH=%{cuda_dir}/bin/nvcc")
  cmake_args+=("-DCMAKE_CUDA_HOST_COMPILER=gcc-%{gcc_version}")
else
  cmake_args+=("-DSUNSHINE_ENABLE_CUDA=OFF")
fi
%else
cmake_args+=("-DSUNSHINE_ENABLE_CUDA=OFF")
%endif

# setup the version
export BRANCH=%{branch}
export BUILD_VERSION=v%{build_version}
export COMMIT=%{commit}

# cmake
fetch_boost_cmake
cd %{_builddir}/Apollo
echo "cmake args:"
echo "${cmake_args[@]}"
cmake "${cmake_args[@]}"
make -j$(nproc) -C "%{_builddir}/Apollo/build"

%if %{with tests}
%check
# validate the metainfo file
appstreamcli validate %{buildroot}%{_metainfodir}/*.metainfo.xml
appstream-util validate %{buildroot}%{_metainfodir}/*.metainfo.xml
desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop

# run tests
cd %{_builddir}/Apollo/build
xvfb-run ./tests/test_sunshine
%endif

%install
cd %{_builddir}/Apollo/build
%make_install

# fix desktop file icon name (Icon should not include extension)
sed -E -e 's&^(Icon=apollo)\\.svg$&\\1&' -i %{buildroot}%{_datadir}/applications/*.desktop

# default config with non-conflicting base port
install -Dm644 /dev/stdin %{buildroot}%{_datadir}/apollo/apollo.conf << 'END'
port = 49000
END

# rename Sunshine artifacts to Apollo to avoid file conflicts
rm -f %{buildroot}%{_userunitdir}/sunshine.service

for f in %{buildroot}%{_udevrulesdir}/*-sunshine.rules; do
  if [ -f "$f" ]; then
    mv "$f" "${f/-sunshine.rules/-apollo.rules}"
  fi
done

for f in %{buildroot}%{_modulesloaddir}/*-sunshine.conf; do
  if [ -f "$f" ]; then
    mv "$f" "${f/-sunshine.conf/-apollo.conf}"
  fi
done

for f in %{buildroot}%{_datadir}/applications/dev.lizardbyte.app.Sunshine*.desktop; do
  if [ -f "$f" ]; then
    new_name="${f/dev.lizardbyte.app.Sunshine/apollo}"
    mv "$f" "$new_name"
    sed -E -i 's&Sunshine&Apollo&g; s&sunshine&apollo&g' "$new_name"
  fi
done

if [ -f %{buildroot}%{_metainfodir}/dev.lizardbyte.app.Sunshine.metainfo.xml ]; then
  mv %{buildroot}%{_metainfodir}/dev.lizardbyte.app.Sunshine.metainfo.xml %{buildroot}%{_metainfodir}/apollo.metainfo.xml
  sed -E -i 's&dev.lizardbyte.app.Sunshine&com.github.ClassicOldSong.Apollo&g; s&Sunshine&Apollo&g; s&sunshine&apollo&g' %{buildroot}%{_metainfodir}/apollo.metainfo.xml
fi

# replace systemd user service to use Apollo config dir
install -Dm644 /dev/stdin %{buildroot}%{_userunitdir}/apollo.service << 'END'
[Unit]
Description=Apollo - Self-hosted game stream host for Moonlight
StartLimitIntervalSec=500
StartLimitBurst=5

[Service]
ExecStartPre=/usr/bin/sleep 5
ExecStartPre=/usr/bin/sh -c 'test -f %h/.config/apollo/apollo.conf || install -Dm644 /usr/share/apollo/apollo.conf %h/.config/apollo/apollo.conf'
ExecStart=/usr/bin/apollo %h/.config/apollo/apollo.conf
Restart=on-failure
RestartSec=5s

[Install]
WantedBy=xdg-desktop-autostart.target
END

%post
# Note: this is copied from the postinst script

# Load uhid (DS5 emulation)
echo "Loading uhid kernel module for DS5 emulation."
modprobe uhid

# Check if we're in an rpm-ostree environment
if [ ! -x "$(command -v rpm-ostree)" ]; then
  echo "Not in an rpm-ostree environment, proceeding with post install steps."

  # Trigger udev rule reload for /dev/uinput and /dev/uhid
  path_to_udevadm=$(which udevadm)
  if [ -x "$path_to_udevadm" ]; then
    echo "Reloading udev rules."
    $path_to_udevadm control --reload-rules
    $path_to_udevadm trigger --property-match=DEVNAME=/dev/uinput
    $path_to_udevadm trigger --property-match=DEVNAME=/dev/uhid
    echo "Udev rules reloaded successfully."
  else
    echo "error: udevadm not found or not executable."
  fi
else
  echo "rpm-ostree environment detected, skipping post install steps. Restart to apply the changes."
fi

%files
# Executables
%caps(cap_sys_admin+p) %{_bindir}/apollo
%caps(cap_sys_admin+p) %{_bindir}/apollo-*

# Systemd unit file for user services
%{_userunitdir}/apollo.service

# Udev rules
%{_udevrulesdir}/*-apollo.rules

# Modules-load configuration
%{_modulesloaddir}/*-apollo.conf

# Desktop entries
%{_datadir}/applications/*.desktop

# Icons
%{_datadir}/icons/hicolor/scalable/apps/apollo.svg
%{_datadir}/icons/hicolor/scalable/status/apollo*.svg

# Metainfo
%{_datadir}/metainfo/*.metainfo.xml

# Assets
%{_datadir}/apollo/**

%changelog