name: profiler-hub Formatting
run-name: profiler-hub-formatting

on:
  workflow_dispatch:
  push:
    branches:
      - develop
    paths:
      - '.github/workflows/profiler-hub-formatting.yml'
      - 'profilers/profiler-hub/**'
      - '!profilers/profiler-hub/build/**'
      - '!profilers/profiler-hub/docs/graphs/**'
  pull_request:
    paths:
      - '.github/workflows/profiler-hub-formatting.yml'
      - 'profilers/profiler-hub/**'
      - '!profilers/profiler-hub/build/**'
      - '!profilers/profiler-hub/docs/graphs/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:

  clang-format:
    name: C/C++ Formatting (clang-format-18)
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v6
        with:
          sparse-checkout: |
            profilers/profiler-hub
            .github/workflows

      - name: Install clang-format-18
        run: |
          sudo apt-get update
          sudo apt-get install -y clang-format-18

      - name: Run clang-format
        working-directory: profilers/profiler-hub
        run: |
          set -e
          mapfile -t FILES < <(find source include tests -type f \
            \( -name '*.cpp' -o -name '*.hpp' -o -name '*.h' -o -name '*.cc' \))
          echo "Checking ${#FILES[@]} files"
          OUT=$(clang-format-18 -output-replacements-xml "${FILES[@]}")
          REPLACEMENTS=$(echo "${OUT}" | grep -c '<replacement ' || true)
          if [ "${REPLACEMENTS}" -ne 0 ]; then
            echo "::error::Code not formatted. Detected ${REPLACEMENTS} replacements."
            clang-format-18 -i "${FILES[@]}"
            git diff
            exit 1
          fi
          echo "All ${#FILES[@]} files are correctly formatted."

  cmake-format:
    name: CMake Formatting (gersemi)
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v6
        with:
          sparse-checkout: |
            profilers/profiler-hub
            .github/workflows

      - name: Install gersemi
        run: |
          sudo apt-get update
          sudo apt-get install -y python3-pip
          python3 -m pip install gersemi==0.25.1

      - name: Run gersemi
        working-directory: profilers/profiler-hub
        run: |
          set -e
          mapfile -t FILES < <(find . -type f \
            ! -path './build/*' \
            ! -path './external/*' \
            ! -path './_deps/*' \
            \( -name 'CMakeLists.txt' -o -name '*.cmake' -o -name '*.cmake.in' \))
          echo "Checking ${#FILES[@]} files"
          if ! gersemi --check "${FILES[@]}"; then
            echo "::error::CMake files not formatted. Run gersemi -i to fix."
            gersemi --diff "${FILES[@]}"
            exit 1
          fi
          echo "All ${#FILES[@]} files are correctly formatted."