name: Coverage

on:
  pull_request:
  push:
    paths-ignore:
      - '.github/workflows/linux-build.yml'
      - '.github/workflows/macos-build.yml'
      - '.github/workflows/msys2-build.yml'
      - '.github/workflows/windows-build.yml'
      - '.gitignore'
      - 'LICENSE'
      - 'CHANGELOG.md'
      - 'README.md'
      - 'README_en.md'
      - 'README_fr.md'

jobs:
  build:
    strategy:
      matrix:
        - { name: "Windows x64", os: windows-latest, arch: x64 }
        - { name: "Ubuntu 20.04 x86_64", os: ubuntu-20.04, arch: x86_64 }

    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    if: "!contains(github.event.head_commit.message, 'coverage skip')"

    steps:
    - uses: actions/checkout@v2

    # Install system dependencies
    - name: Install system dependencies
      if: runner.os == 'Linux'
      run: |
        sudo apt-get update
        sudo apt-get -y install mesa-common-dev libwayland-dev uuid-dev gcovr

    - name: Install OpenCppCoverage
      if: runner.os == 'Windows'
      run: |
        choco install -y OpenCppCoverage
        echo "C:\Program Files\OpenCppCoverage" >> $GITHUB_PATH

    # Force xmake to a specific folder (for cache)
    - name: Set xmake env
      run: echo "XMAKE_GLOBALDIR=${{ runner.workspace }}/xmake-global" >> $GITHUB_ENV

    # Install xmake
    - name: Setup xmake
      uses: xmake-io/github-action-setup-xmake@v1
      with:
        xmake-version: branch@dev

    # Update xmake repository (in order to have the file that will be cached)
    - name: Update xmake repository
      run: xmake repo --update

    # Fetch xmake dephash
    - name: Retrieve dependencies hash
      id: dep_hash
      run: echo "::set-output name=hash::$(xmake l utils.ci.packageskey)"

    # Cache xmake dependencies
    - name: Retrieve cached xmake dependencies
      uses: actions/cache@v3
      with:
        path: ${{ env.XMAKE_GLOBALDIR }}/.xmake/packages
        key: ${{ matrix.os }}-${{ matrix.arch }}-coverage-${{ steps.dep_hash.outputs.hash }}-r4

    # Setup compilation mode and install project dependencies
    - name: Configure xmake and install dependencies
      run: xmake config --shadernodes=y --tests=y --unitybuild=y --arch=${{ matrix.arch }} --mode=coverage --yes

    # Build the engine
    - name: Build Nazara
      run: xmake

    # Run unit tests to generate coverage reports
    - name: Run unit tests and generate coverage output
      if: runner.os == 'Linux'
      run: |
        xmake run NazaraUnitTests
        gcovr -x coverage.out -s -f 'include/Nazara/.*' -f 'src/Nazara/.*' build/.objs/

    - name: Run unit tests and generate coverage output
      if: runner.os == 'Windows'
      run: |
        OpenCppCoverage --export_type cobertura:coverage.out --sources "include/Nazara" --sources "src/Nazara" -- xmake run NazaraUnitTests
        gcovr -x coverage.out -s -f 'include/Nazara/.*' -f 'src/Nazara/.*' build/.objs/

    - name: Upload Coverage Report to Codecov
      uses: codecov/codecov-action@v2
      with:
        files: ./coverage.out
        fail_ci_if_error: true