name: CI

on:
  push:
    branches: ["**"]
  pull_request:
    branches: ["**"]

jobs:
  lint:
    runs-on: ubuntu-latest
    # Custom image (see .gitea/ci-image/Dockerfile): the official
    # sagemath/sagemath image is amd64-only and this runner is arm64, and
    # ruff/pytest are baked in here so jobs don't reinstall them every run.
    container:
      image: gitea.piribauer.ch/julian/sage-ci:latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Preparse .sage files
        # Turns each *.sage file into real Python (*.sage.py) so ruff can
        # parse it, and prepends the `from sage.all import *` that `sage`
        # normally injects at runtime, so Sage's globals (ZZ, var, matrix, ...)
        # resolve instead of looking like undefined names.
        run: |
          set -e
          for f in $(find . -name "*.sage" -not -path "./playground/*"); do
            sage --preparse "$f"
            printf 'from sage.all import *  # noqa: F401,F403\n%s\n' "$(cat "${f}.py")" > "${f}.py"
          done

      - name: ruff check
        # --no-respect-gitignore: *.sage.py is gitignored (it's generated, see
        # the previous step) but that's exactly what we need to lint here.
        run: sage --python -m ruff check --no-respect-gitignore .

  test:
    runs-on: ubuntu-latest
    needs: lint
    container:
      image: gitea.piribauer.ch/julian/sage-ci:latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Run tests
        run: sage --python -m pytest tests/