name: Enum Check

on:
  pull_request:
    branches:
      - 'main'
      - '3.0'
      - '3.1'
      - '3.3.6'
    paths-ignore:
      - 'packaging/**'
      - 'docs/**'
      - 'tools/tdgpt/**'
      - 'source/libs/executor/src/forecastoperator.c'
      - 'source/libs/executor/src/anomalywindowoperator.c'
      - 'source/dnode/mnode/impl/src/mndAnode.c'
      - 'include/common/tanalytics.h'
      - 'source/common/src/tanalytics.c'
      - 'tests/parallel/tdgpt_cases.task'
      - 'tests/script/tsim/analytics'
      - '**/*.md'
      - '.github/workflows/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}-
    ${{ github.event_name == 'pull_request' && github.event.pull_request.base.ref || inputs.specified_target_branch }}-
    ${{ github.event_name == 'pull_request' && github.event.pull_request.number || inputs.specified_pr_number }}-TDengine
  cancel-in-progress: true

env:
  WKC: '/var/lib/jenkins/workspace/TDinternal/community'

jobs:
  enum-check:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        python-version: [ "3.10" ]

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'

      - name: Install libclang
        run: |
          sudo apt-get update
          sudo apt-get install -y llvm-17-dev libclang-17-dev
          python -m pip install --upgrade pip
          python -m pip install libclang

      - name: Verify clang Python binding
        run: |
          python -c "from clang import cindex; print('✅ clang.cindex is available.')"

      - name: Determine base branch
        id: base
        run: echo "BASE_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV

      - name: Get changed C/H files
        id: changed_files
        run: |
          git fetch origin $BASE_BRANCH --depth=1
          FILES=$(git diff --name-only origin/$BASE_BRANCH...HEAD | grep -E '\.(c|h)$' || true)

          echo "Changed files:"
          echo "$FILES"

          FILES_JSON=$(echo "$FILES" | jq -R -s -c 'split("\n") | map(select(length > 0))')
          echo "files=$FILES_JSON" >> $GITHUB_OUTPUT

      - name: Run enum check
        if: steps.changed_files.outputs.files != '[]'
        run: |
          echo "Running enum check for changed files"
          echo "${{ steps.changed_files.outputs.files }}"
          python3 .github/scripts/check_enum_append_only.py \
            --base-branch origin/${{ github.event.pull_request.base.ref }} \
            ${{ join(fromJson(steps.changed_files.outputs.files), ' ') }}

      - name: Skip enum check
        if: steps.changed_files.outputs.files == '[]'
        run: echo "No changed C/H files, skipping enum check."