name: CMake Build Matrix

on: [ push, pull_request ]

jobs:
  build:
    name: ${{ matrix.config.name }}
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix:
        config:
          - name: "Ubuntu 20.04 GCC 9.3"
            os: ubuntu-20.04
            build_type: Release
            packages: ninja-build
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: gcc
            cxx: g++

          - name: "Ubuntu 20.04 Clang 10.0"
            os: ubuntu-20.04
            build_type: Release
            packages: ninja-build
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: clang-10
            cxx: clang++-10

          - name: "Ubuntu 20.04 Clang 11.0"
            os: ubuntu-20.04
            build_type: Release
            packages: ninja-build clang-11 libc++-11-dev libc++abi-11-dev
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: clang-11
            cxx: clang++-11

          - name: "Ubuntu 20.04 GCC 9.3 coverage"
            os: ubuntu-20.04
            build_type: Debug
            packages: ninja-build lcov
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: gcc
            cxx: g++

          - name: "Ubuntu 18.04 GCC 8.4"
            os: ubuntu-18.04
            build_type: Release
            packages: ninja-build gcc-8 g++-8
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: gcc-8
            cxx: g++-8

          - name: "Ubuntu 18.04 GCC 7.5"
            os: ubuntu-18.04
            build_type: Release
            packages: ninja-build
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: gcc-7
            cxx: g++-7

          - name: "Ubuntu 18.04 GCC 6.5"
            os: ubuntu-18.04
            build_type: Release
            packages: ninja-build gcc-6 g++-6
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: gcc-6
            cxx: g++-6

          - name: "Ubuntu 18.04 GCC 5.5"
            os: ubuntu-18.04
            build_type: Release
            packages: ninja-build gcc-5 g++-5
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: gcc-5
            cxx: g++-5

          - name: "Ubuntu 18.04 Clang 9.0"
            os: ubuntu-18.04
            build_type: Release
            packages: ninja-build libc++-9-dev libc++abi-9-dev
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: clang
            cxx: clang++

          - name: "Ubuntu 16.04 Clang 6.0"
            os: ubuntu-16.04
            build_type: Release
            packages: ninja-build clang-6.0
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: clang-6.0
            cxx: clang++-6.0

          - name: "Ubuntu 16.04 Clang 5.0"
            os: ubuntu-16.04
            build_type: Release
            packages: ninja-build clang-5.0
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: clang-5.0
            cxx: clang++-5.0

          - name: "Windows MSVC 2019"
            os: windows-latest
            build_type: Release
            packages: ninja
            generator: "Visual Studio 16 2019"
            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
            cc: cl
            cxx: cl

          - name: "macOS 10.15 AppleClang"
            os: macos-10.15
            build_type: Release
            packages: ninja
            generator: Ninja
            compatibility: "cxx_std_11;cxx_std_17"
            cc: clang
            cxx: clang++

    steps:
      - uses: actions/checkout@v2

      - name: print environment
        run: |
          echo github.event.action: ${{ github.event.action }}
          echo github.event_name: ${{ github.event_name }}

      - name: Install dependencies on Ubuntu
        if: startsWith(matrix.config.os, 'ubuntu')
        shell: bash
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
          sudo apt update
          sudo apt install ${{ matrix.config.packages }}

      - name: Install dependencies on windows
        if: startsWith(matrix.config.os, 'windows')
        run: |
          choco install ${{ matrix.config.packages }}

      - name: Install dependencies on macOS
        if: startsWith(matrix.config.os, 'macos')
        run: |
          brew install ${{ matrix.config.packages }}

      - name: Configure project
        shell: bash
        run: |
          export CC=${{ matrix.config.cc }}
          export CXX=${{ matrix.config.cxx }}
          ninja --version
          cmake --version
          mkdir build
          mkdir install
          if [[ "${{ matrix.config.build_type }}" == "Debug" ]]; then
            cmake -G "${{ matrix.config.generator }}" -S . -B build -DCMAKE_BUILD_TYPE=Debug -DGHC_COVERAGE=ON -DGHC_FILESYSTEM_TEST_COMPILE_FEATURES="${{ matrix.config.compatibility }}" -DCMAKE_INSTALL_PREFIX:PATH=install
          else
            cmake -G "${{ matrix.config.generator }}" -S . -B build -DCMAKE_BUILD_TYPE=${{ matrix.config.build_type }} -DGHC_FILESYSTEM_TEST_COMPILE_FEATURES="${{ matrix.config.compatibility }}" -DCMAKE_INSTALL_PREFIX:PATH=install
          fi

      - name: Build project
        shell: bash
        run: |
          cmake --build build --config ${{ matrix.config.build_type }}

      - name: Run tests
        run: |
          cd build && ctest -C ${{ matrix.config.build_type }}

      - name: Collect coverage info
        if: startsWith(matrix.config.build_type, 'Debug')
        run: |
          cd build
          lcov --compat-libtool --directory . --capture --output-file coverage_output.info
          lcov --remove coverage_output.info '/usr/*' '*/c++/*' '*.h' '*/catch.hpp' -o coverage.info
          # sed -i 's|SF:/.*/filesystem/|SF:../|g' coverage.info

      - name: Upload coverage info
        if: startsWith(matrix.config.build_type, 'Debug')
        env:
          COVERALLS_DEBUG: true
          NODE_COVERALLS_DEBUG: 1
        uses: coverallsapp/github-action@master
        with:
          path-to-lcov: ${{ github.workspace }}/build/coverage.info
          github-token: ${{ secrets.GITHUB_TOKEN }}