name: ci-black-formatting

on:
  push:
  pull_request:

env:
  PYTHON_VERSION: "3.12"

jobs:
  lint-formatting:
    runs-on: ubuntu-latest
    steps:
      - name: Action - checkout repository
        uses: actions/checkout@v4.2.2

      - name: Action - install python
        uses: actions/setup-python@v5.3.0
        with:
          python-version: "${{ env.PYTHON_VERSION }}"

      - name: Install dependencies
        run: |
          python3 -m pip install --upgrade pip
          python3 -m pip install 'black>=24.10.0'

      # black doesn't catch all syntax errors, so we check them explicitly.
      - name: Check syntax errors
        id: syntax-errors
        run: |
          ERROR=0
          python3 -W error -m compileall -q src/ifcopenshell-python || ERROR=1
          python3 -W error -m compileall -q src/bonsai || ERROR=1
          exit $ERROR
        continue-on-error: true

      - name: Black formatter
        id: linting
        run: |
          python3 -m black --diff --check .
        continue-on-error: true

      - name: Final check
        run: |
          ERROR=0
          if [ "${{ steps.syntax-errors.outcome }}" != "success" ]; then
            echo "::error::Syntax errors check failed, see 'syntax-errors' step for the details." && ERROR=1
          fi
          if [ "${{ steps.linting.outcome }}" != "success" ]; then
            echo "::error::Black formatting check failed, see 'linting' step for the details." && ERROR=1
          fi
          exit $ERROR