name: macOS

on: [push, pull_request]

jobs:
  build-macos:
    name: AppleClang-C++${{matrix.std}}-${{matrix.build_type}}
    runs-on: macos-12
    permissions:
      actions: read
      contents: read
      security-events: write
    strategy:
      fail-fast: true
      matrix:
        std: [14, 17, 20, 23]
        include:
          - generator: Xcode
          - build_type: Debug

    steps:
      - uses: actions/checkout@v4

      - name: Setup Dependencies
        run: |
          brew install ninja

      - name: Setup Coverage Dependencies
        if: matrix.build_type == 'Debug'
        run: |
          brew install gcovr

      - name: Setup Environment
        if: matrix.build_type == 'Debug'
        run: |
          echo 'CXXFLAGS=--coverage' >> $GITHUB_ENV
          echo 'LDFLAGS=--coverage' >> $GITHUB_ENV

      - name: Configure
        shell: bash
        env:
          CXXFLAGS: -Wall -Wextra -Wsign-conversion -Wtautological-compare -Wformat-nonliteral -Wundef -Werror -pedantic-errors ${{env.CXXFLAGS}}
        run: |
          cmake -S . -B build_${{matrix.build_type}} \
                -DCMAKE_CXX_EXTENSIONS=OFF \
                -DCMAKE_CXX_STANDARD=${{matrix.std}} \
                -DCMAKE_CXX_STANDARD_REQUIRED=ON \
                -G "${{matrix.generator}}" \
                -Werror

      - name: Build
        run: |
          cmake --build build_${{matrix.build_type}} \
                --config ${{matrix.build_type}}

      - name: Test
        run: |
          ctest --test-dir build_${{matrix.build_type}} \
                --build-config ${{matrix.build_type}} \
                --output-on-failure

      - name: Generate Coverage
        if: matrix.build_type == 'Debug'
        run: |
          cd build_${{matrix.build_type}}
          gcovr -r .. . -s --cobertura coverage.xml
          cd ..

      - name: Upload Coverage to Codecov
        if: matrix.build_type == 'Debug'
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: build_${{matrix.build_type}}/coverage.xml
          fail_ci_if_error: true
          verbose: true