name: CI

on: [push, pull_request]

env:
  GH_REPO_NAME: ${{ github.event.repository.name }}
  DOXYFILE: ${{ github.workspace }}/.doc_autogeneration.doxygen
  GH_REPO_REF: ${{ github.repositoryUrl }}

jobs:
  build:
    name: ${{ matrix.env.NAME }}
    runs-on: ${{ matrix.os }}
    env: ${{ matrix.env }}
    strategy:
      fail-fast: false
      matrix:
        include:
          # Ubuntu
          # Ubuntu 20.04 - Default - CMake - CUDA
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-default-cmake-cuda
              WITH_CUDNN: false
              CI_OS_NAME: linux
          # Ubuntu 18.04 - Default - CMake - CUDA
          - os: ubuntu-18.04
            os_name: linux
            env:
              NAME: U18-default-cmake-cuda
              WITH_CUDNN: false
              CI_OS_NAME: linux
          # Ubuntu 20.04 - Python - CMake - CUDA
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-python-cmake-cuda
              WITH_CUDNN: false
              WITH_PYTHON: true
              CI_OS_NAME: linux
              CI_BUILD_NUMBER: ${{ github.run_number }}
              CI_COMMIT: ${{ github.sha }}
              PYTHON3_VERSION: python3.8
            DOCS: true
          # Ubuntu 18.04 - Python - CMake - CUDA
          - os: ubuntu-18.04
            os_name: linux
            env:
              NAME: U18-python-cmake-cuda
              WITH_CUDNN: false
              WITH_PYTHON: true
              CI_OS_NAME: linux
          # Ubuntu 20.04 - Python - CMake - CPU
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-python-cmake-cpu
              WITH_PYTHON: true
              WITH_CUDA: false
              WITH_CUDNN: false
              CI_OS_NAME: linux
              PYTHON3_VERSION: python3.8
          # Ubuntu 18.04 - Python - CMake - CPU
          - os: ubuntu-18.04
            os_name: linux
            env:
              NAME: U18-python-cmake-cpu
              WITH_PYTHON: true
              WITH_CUDA: false
              WITH_CUDNN: false
              CI_OS_NAME: linux
          # TO-DO (not passing)
          # # Ubuntu 20.04 - Python - CMake - OpenCL
          # - os: ubuntu-20.04
          #   os_name: linux
          #   env:
          #     NAME: U20-python-cmake-opencl
          #     WITH_PYTHON: true
          #     WITH_CUDA: false
          #     WITH_CUDNN: false
          #     WITH_OPEN_CL: true
          #     CI_OS_NAME: linux
          #     PYTHON3_VERSION: python3.8
          # Ubuntu 18.04 - Python - CMake - OpenCL
          - os: ubuntu-18.04
            os_name: linux
            env:
              NAME: U18-python-cmake-opencl
              WITH_PYTHON: true
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_OPEN_CL: true
              CI_OS_NAME: linux
          # Ubuntu 20.04 - Python - CMake - CPU - Debug
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-python-cmake-cpu-debug
              WITH_PYTHON: true
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_DEBUG: true
              CI_OS_NAME: linux
              PYTHON3_VERSION: python3.8
          # Ubuntu 18.04 - Python - CMake - CPU - Debug
          - os: ubuntu-18.04
            os_name: linux
            env:
              NAME: U18-python-cmake-cpu-debug
              WITH_PYTHON: true
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_DEBUG: true
              CI_OS_NAME: linux
          # Ubuntu 20.04 - Python - CMake - CPU - Unity
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-python-cmake-cpu-unity
              WITH_PYTHON: true
              WITH_UNITY: true
              WITH_CUDA: false
              WITH_CUDNN: false
              CI_OS_NAME: linux
              PYTHON3_VERSION: python3.8
          # Ubuntu 20.04 - Default - CMake - CPU
          - os: ubuntu-20.04
            os_name: linux
            env:
              NAME: U20-default-cmake-cpu
              WITH_CUDA: false
              WITH_CUDNN: false
              CI_OS_NAME: linux

          # Mac OSX
          # Mac OSX - Python - CMake - CPU
          - os: macos-10.15
            os_name: osx
            env:
              NAME: OSX-python-cmake-cpu
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_PYTHON: true
              CI_OS_NAME: osx
          # Mac OSX - Python - CMake - OpenCL
          - os: macos-10.15
            os_name: osx
            env:
              NAME: OSX-default-cmake-opencl
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_OPEN_CL: true
              CI_OS_NAME: osx
          # Mac OSX - Python - CMake - CPU - Debug
          - os: macos-10.15
            os_name: osx
            env:
              NAME: OSX-python-cmake-cpu-debug
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_PYTHON: true
              WITH_DEBUG: true
              CI_OS_NAME: osx
          # Mac OSX - Python - CMake - CPU - Unity
          - os: macos-10.15
            os_name: osx
            env:
              NAME: OSX-python-cmake-cpu-unity
              WITH_CUDA: false
              WITH_CUDNN: false
              WITH_PYTHON: true
              WITH_UNITY: true
              CI_OS_NAME: osx
          # Mac OSX - Default - CMake - CPU
          - os: macos-10.15
            os_name: osx
            env:
              NAME: OSX-default-cmake-cpu
              WITH_CUDA: false
              WITH_CUDNN: false
              CI_OS_NAME: osx

          # TO-DO (not passing)
          # Note: CUDA jobs fail in U16 because of an issue with GCC 5.5 (https://github.com/NVIDIA/apex/issues/529). GH Actions doesn't support
          # GCC 5.4 and CUDA does not support newer than GCC 5.X. Thus, cuDNN (sh file only for Ubuntu 16) is no longer tested.
          # # Ubuntu 16.04
          # # Ubuntu 16.04 - Default - CMake - CUDA
          # - os: ubuntu-16.04
          #   os_name: linux
          #   env:
          #     NAME: U16-default-cmake-cuda8
          #     CI_OS_NAME: linux

          # # Deprecated (not working for the above issue between CUDA and the Ubuntu16 from GitHub Actions) 
          # # Ubuntu 16.04 - Default - Make - CUDA
          # - os: ubuntu-16.04
          #   os_name: linux
          #   env:
          #     NAME: U16-default-make-cuda
          #     WITH_CUDNN: false
          #     WITH_CMAKE: false
          #     CI_OS_NAME: linux

          # Ubuntu 16 no longer works
#           # Ubuntu 16.04 - Python - CMake - CPU
#           - os: ubuntu-16.04
#             os_name: linux
#             env:
#               NAME: U16-python-cmake-cpu
#               WITH_PYTHON: true
#               WITH_CUDA: false
#               WITH_CUDNN: false
#               CI_OS_NAME: linux
#           # Ubuntu 16.04 - Python - CMake - OpenCL
#           - os: ubuntu-16.04
#             os_name: linux
#             env:
#               NAME: U16-python-cmake-opencl
#               WITH_PYTHON: true
#               WITH_CUDA: false
#               WITH_CUDNN: false
#               WITH_OPEN_CL: true
#               CI_OS_NAME: linux
#           # Ubuntu 16.04 - Python - CMake - CPU - Debug
#           - os: ubuntu-16.04
#             os_name: linux
#             env:
#               NAME: U16-python-cmake-cpu-debug
#               WITH_PYTHON: true
#               WITH_CUDA: false
#               WITH_CUDNN: false
#               WITH_DEBUG: true
#               CI_OS_NAME: linux

    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0
        submodules: recursive
    - uses: actions/setup-python@v2
      with:
        python-version: 2.x
      if: ${{ matrix.env.WITH_PYTHON }}
    - name: Install (Linux)
      run: scripts/CI/install_deps_ubuntu.sh
      if: ${{ matrix.os_name == 'linux' }}
    - name: Install (Mac OS)
      run: scripts/CI/install_deps_osx.sh
      if: ${{ matrix.os_name == 'osx' }}

    - name: Configure
      run: scripts/CI/configure.sh
    - name: Make
      run: scripts/CI/run_make.sh
    - name: Tests
      run: scripts/CI/run_tests.sh

    - name: Docs APT packages
      run: |
        # The Doxygen apt-get version for Ubuntu 20 is 1.8.17, which has some bugs fixed in 1.9.1
        # run: sudo apt-get -yq install doxygen doxygen-doc doxygen-latex doxygen-gui graphviz
        git clone https://github.com/doxygen/doxygen.git && cd doxygen && git checkout Release_1_9_1
        mkdir build && cd build
        cmake -G "Unix Makefiles" ..
        make -j`nproc`
        sudo make install
      if: ${{ matrix.DOCS }}
    - name: Generate docs
      run: |
        cd ${{ github.workspace }}
        echo 'Generating Doxygen code documentation...'
        doxygen $DOXYFILE 2>&1 | tee doxygen.log
        # Required so Doxygen links/finds the license file
        cp LICENSE doxygen/html/LICENSE
        # Required in order to link .github/media/ images with doc without modifying doc links. Remove if using `publish_dir: doxygen/html/`
        mkdir -p doxygen_final/web/html/ && mv doxygen/html doxygen_final/web/html/doc
        mkdir -p doxygen_final/web/.github/media/ && cp -rf .github/media/ doxygen_final/web/.github/
        mkdir -p doxygen_final/web/html/.github/media/ && cp -rf .github/media/ doxygen_final/web/html/.github/
        mkdir -p doxygen_final/web/html/doc/.github/media/ && cp -rf .github/media/ doxygen_final/web/html/doc/.github/
        echo 'Copying log...'
        cp doxygen.log doxygen_final/doxygen.log
        echo 'Copying index.html to root pointing to actual docs'
        cp .github/root_index.html doxygen_final/index.html
      if: ${{ matrix.DOCS }}
    - name: Deploy Docs
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: doxygen_final/
        # publish_dir: doxygen/html/ # Original one, it would turn [...].github.io/openpose/web/html/doc/ into [...].github.io/openpose/, but images would not work
        destination_dir: .
        enable_jekyll: false
        force_orphan: true
      if: ${{ matrix.DOCS && github.event_name == 'push' && github.ref == 'refs/heads/master' }}