name: Lint

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

jobs:
  lint:
    runs-on: ubuntu-latest
    container:
      image: ubuntu:latest

    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          apt-get update && apt-get install -y --no-install-recommends \
            git emacs-nox

      - name: Check for forbidden patterns
        run: |
          grep -r "json\." --include="*.lisp" . && \
            echo "ERROR: Found JSON usage in Lisp files" && exit 1 || \
            echo "OK: No JSON in Lisp files"

      - name: Check literate granularity
        run: |
          find . -name "*.org" -path "./skills/*" -exec grep -L "#+begin_src lisp" {} \; | \
            grep -v "CLA\|CONTRIBUTING\|CHANGELOG" && \
            echo "WARNING: Some skills lack lisp blocks" || \
            echo "OK: All skills have lisp blocks"

      - name: Verify .lisp files are generated
        run: |
          for f in library/gen/*.lisp; do
            org="${f%.lisp}.org"
            if [ -f "$org" ]; then
              : # generated, OK
            else
              echo "WARNING: $f has no corresponding .org source"
            fi
          done