ci.yml

# TraceSmith - Continuous Integration
# Runs on every push and PR to test compilation and unit tests

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  # ===========================================================================
  # Lint & Format Check
  # ===========================================================================
  lint:
    name: Lint & Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      
      - name: Install linters
        run: |
          pip install ruff mypy
      
      - name: Run ruff
        run: ruff check python/ --ignore E501,F401,F841,E731,E722,N806,N812,B007,B028
      
      - name: Check C++ formatting (clang-format)
        run: |
          sudo apt-get install -y clang-format
          find src include -name "*.cpp" -o -name "*.hpp" | head -20 | xargs clang-format --dry-run --Werror || true

  # ===========================================================================
  # Build & Test on Linux
  # ===========================================================================
  test_linux:
    name: Test Linux
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        compiler: [gcc, clang]
        build_type: [Release, Debug]
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y cmake ninja-build libunwind-dev pkg-config
          if [ "${{ matrix.compiler }}" = "clang" ]; then
            sudo apt-get install -y clang
          fi
      
      - name: Configure CMake
        env:
          CC: ${{ matrix.compiler == 'clang' && 'clang' || 'gcc' }}
          CXX: ${{ matrix.compiler == 'clang' && 'clang++' || 'g++' }}
        run: |
          cmake -B build -G Ninja \
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
            -DTRACESMITH_BUILD_TESTS=ON \
            -DTRACESMITH_BUILD_EXAMPLES=ON \
            -DTRACESMITH_BUILD_CLI=ON
      
      - name: Build
        run: cmake --build build --parallel 4
      
      - name: Run tests
        run: |
          cd build
          ctest --output-on-failure --parallel 4
      
      - name: Test CLI
        run: |
          echo "=== Build output structure ==="
          ls -la build/bin/
          echo "=== Running CLI tests ==="
          ./build/bin/tracesmith --version
          ./build/bin/tracesmith devices || echo "Note: No GPU detected (expected in CI)"

  # ===========================================================================
  # Build & Test on macOS
  # ===========================================================================
  test_macos:
    name: Test macOS
    runs-on: macos-latest
    strategy:
      fail-fast: false
      matrix:
        build_type: [Release]
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Install dependencies
        run: brew install cmake ninja
      
      - name: Configure CMake
        run: |
          cmake -B build -G Ninja \
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
            -DTRACESMITH_BUILD_TESTS=ON \
            -DTRACESMITH_BUILD_EXAMPLES=ON \
            -DTRACESMITH_BUILD_CLI=ON \
            -DTRACESMITH_ENABLE_METAL=ON
      
      - name: Build
        run: cmake --build build --parallel 4
      
      - name: Run tests
        run: |
          cd build
          ctest --output-on-failure --parallel 4
      
      - name: Test CLI
        run: |
          ./build/bin/tracesmith --version

  # ===========================================================================
  # Build & Test on Windows
  # ===========================================================================
  test_windows:
    name: Test Windows
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        build_type: [Release]
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Configure CMake
        run: |
          cmake -B build -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DTRACESMITH_BUILD_TESTS=ON -DTRACESMITH_BUILD_CLI=ON
      
      - name: Build
        run: cmake --build build --config ${{ matrix.build_type }} --parallel 4
      
      - name: Run tests
        run: |
          cd build
          ctest -C ${{ matrix.build_type }} --output-on-failure

  # ===========================================================================
  # Python Package Test
  # ===========================================================================
  test_python:
    name: Test Python ${{ matrix.python }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python: ['3.9', '3.10', '3.11', '3.12']
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python }}
      
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y cmake ninja-build libunwind-dev pkg-config
          pip install --upgrade pip
          pip install pytest numpy
      
      - name: Build & Install package
        run: |
          pip install -e . -v
      
      - name: Test import
        run: |
          python -c "import tracesmith; print(f'TraceSmith v{tracesmith.__version__}')"
          python -c "import tracesmith as ts; print('Platforms:', ts.detect_platform())"
      
      - name: Test CLI
        run: |
          tracesmith-cli --version
          tracesmith-cli devices

  # ===========================================================================
  # CUDA Build Test (no GPU required)
  # ===========================================================================
  test_cuda_build:
    name: Test CUDA Build
    runs-on: ubuntu-latest
    container:
      image: nvidia/cuda:12.1.0-devel-ubuntu22.04
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Install dependencies
        run: |
          apt-get update
          apt-get install -y cmake ninja-build libunwind-dev python3 python3-pip git pkg-config
      
      - name: Configure CMake with CUDA
        run: |
          cmake -B build -G Ninja \
            -DCMAKE_BUILD_TYPE=Release \
            -DTRACESMITH_ENABLE_CUDA=ON \
            -DTRACESMITH_BUILD_CLI=ON \
            -DTRACESMITH_BUILD_EXAMPLES=ON
      
      - name: Build
        run: cmake --build build --parallel 4
      
      - name: Check CUDA support
        run: |
          ls -la build/bin/ || echo "bin directory not found"
          ./build/bin/tracesmith --version || echo "CLI test skipped (CUDA container)"
          echo "CUDA build successful!"