# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"
  patch -Np1 -i "$BPM_WORKDIR"/020-intel-media-sdk-libcttmetrics-static-only.patch
  patch -Np1 -i "$BPM_WORKDIR"/030-intel-media-sdk-gcc13-fix.patch
  patch -Np1 -i "$BPM_WORKDIR"/040-intel-media-sdk-gcc15-fix.patch
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  cmake -B build \
        -DCMAKE_INSTALL_PREFIX=/usr \
        -DBUILD_ALL=ON \
        -DBUILD_TOOLS=ON \
        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
        -DENABLE_ITT=OFF \
        -DENABLE_OPENCL=OFF \
        -DENABLE_WAYLAND=ON \
        -DENABLE_X11_DRI3=ON \
        -DMFX_APPS_DIR="/usr/lib/mfx" \
        -Wno-dev
  cmake --build build
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  ctest --test-dir build --output-on-failure
}

_pick() {
  local p="$1" f d; shift
  for f; do
    [ -d "$BPM_WORKDIR"/output_"$p" ] || { echo "Split package $p not found"; exit 1; } 
    d="$BPM_WORKDIR"/output_"$p"/"${f#$BPM_OUTPUT}"
    mkdir -p "$(dirname "$d")"
    mv "$f" "$d"
    rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
  done
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package_intel-media-sdk() {
  DESTDIR="$BPM_OUTPUT" cmake --install build

  # Move file
  mv "$BPM_OUTPUT"/usr/lib/libcttmetrics.a "$BPM_OUTPUT"/usr/lib/mfx/samples/libcttmetrics.a

  cd "$BPM_OUTPUT"

  # Move libmfx files into split package
  _pick libmfx usr/include/mfx
  _pick libmfx usr/lib/libmfx.so*
  _pick libmfx usr/lib/pkgconfig/{,lib}mfx.pc

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/intel-media-sdk/LICENSE
}

package_libmfx() {
  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/libmfx/LICENSE
}