name: CI
on: [push, pull_request]
jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]

    steps:
    - uses: actions/checkout@v2
    - name: Set GCC & G++ 10 compiler (on Linux)
      if: runner.os == 'Linux'
      run: echo "CC=gcc-10" >> $GITHUB_ENV && echo "CXX=g++-10" >> $GITHUB_ENV
    - uses: actions/setup-python@v2

    - name: Cache external dependencies
      id: cache-ext
      uses: actions/cache@v2
      with:
        path: ext
        key: ${{ runner.os }}-${{ hashFiles('ext/*.cmd') }}
    - uses: ilammy/setup-nasm@v1
      with:
        version: 2.15.05
    - uses: seanmiddleditch/gha-setup-ninja@v3
      if: steps.cache-ext.outputs.cache-hit != 'true'
    - run: pip install meson
      if: steps.cache-ext.outputs.cache-hit != 'true'
    - name: Build aom
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash aom.cmd
    - name: Build dav1d
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash dav1d.cmd
    - name: Build rav1e
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash rav1e.cmd
    - name: Build SVT-AV1
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash svt.cmd
    - name: Build libgav1
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash libgav1.cmd
    - name: Build libyuv
      if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      run: bash libyuv.cmd
    - name: Build GoogleTest
      # TODO: if: steps.cache-ext.outputs.cache-hit != 'true'
      working-directory: ./ext
      # Note: "apt install googletest" is sometimes insufficient for find_package(GTest) so build in ext/ instead.
      run: bash googletest.cmd

    - name: Prepare libavif (cmake)
      run: |
        mkdir build && cd build
        cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF \
          -DAVIF_CODEC_AOM=ON -DAVIF_LOCAL_AOM=ON \
          -DAVIF_CODEC_DAV1D=ON -DAVIF_LOCAL_DAV1D=ON \
          -DAVIF_CODEC_RAV1E=ON -DAVIF_LOCAL_RAV1E=ON \
          -DAVIF_CODEC_SVT=ON -DAVIF_LOCAL_SVT=ON \
          -DAVIF_CODEC_LIBGAV1=ON -DAVIF_LOCAL_LIBGAV1=ON \
          -DAVIF_LOCAL_LIBYUV=ON \
          -DAVIF_BUILD_EXAMPLES=ON -DAVIF_BUILD_APPS=ON \
          -DAVIF_BUILD_TESTS=ON -DAVIF_ENABLE_GTEST=ON -DAVIF_LOCAL_GTEST=ON
    - name: Build libavif (make)
      working-directory: ./build
      run: make -j $(($(nproc) + 1))
    - name: Run AVIF Tests (on Linux)
      if: runner.os == 'Linux'
      working-directory: ./build
      run: ctest -j $(nproc)