name: ci

on:
  push:
    paths:
      - 'include/**'
      - 'src/**'
      - 'tests/**'
      - 'CMakeLists.txt'
      - '.github/workflows/**'
  pull_request:
    paths:
      - 'include/**'
      - 'src/**'
      - 'tests/**'
      - 'CMakeLists.txt'
      - '.github/workflows/**'

jobs:
  format:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: |
          wget https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/clang+llvm-17.0.6-x86_64-linux-gnu-ubuntu-22.04.tar.xz
          tar -xf clang+llvm-17.0.6-x86_64-linux-gnu-ubuntu-22.04.tar.xz
          sudo cp clang+llvm-17.0.6-x86_64-linux-gnu-ubuntu-22.04/bin/clang-format /usr/local/bin/
      - name: Check clang-format
        run: |
          set -e
          FILES=$(git ls-files | grep -E '\.(cc|hh|hpp|cpp|cxx)$' || true)
          if [ -z "$FILES" ]; then exit 0; fi
          clang-format --version
          for f in $FILES; do
            clang-format --style=google --dry-run -Werror "$f"
          done

  build-and-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        build_type: [Release]
    steps:
      - uses: actions/checkout@v4
      - name: Install compiler
        run: |
          sudo apt-get update
          sudo apt-get install -y software-properties-common
          sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
          sudo apt-get update
          sudo apt-get install -y gcc-13 g++-13 cmake
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 100
          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 100
      - name: Configure CMake
        run: cmake -B build -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
      - name: Build
        run: cmake --build build
      - name: Test
        run: ctest --test-dir build --output-on-failure