name: CI

on:
  push:
    branches: [main]
  pull_request:

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

jobs:
  test:
    name: tests (py${{ matrix.python-version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.10", "3.11", "3.12", "3.13"]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install (with dev extras)
        run: |
          python -m pip install --upgrade pip
          pip install -e ".[dev]"
      - name: Run test suite
        run: pytest -q

  smoke-install:
    name: clean-install smoke
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Fresh install (no dev extras) and import
        run: |
          python -m pip install --upgrade pip
          pip install .
          # Catches undeclared runtime deps (e.g. #994 python-dotenv): a bare
          # install must import the package and the CLI module.
          python -c "import tradingagents, cli.main; print('clean-install import OK')"

  lint:
    name: ruff (changed files, strict)
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Install ruff
        run: pip install "ruff>=0.15"
      - name: Lint only the Python files this PR changes
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
        run: |
          # Strict going-forward gate: the full-repo cleanup is deferred (see
          # worklog 03/01), so we lint only files this PR adds or modifies.
          files=$(git diff --name-only --diff-filter=ACM "$BASE_SHA"...HEAD -- '*.py' \
                  | grep -vE '^(results|worklog)/' || true)
          if [ -z "$files" ]; then
            echo "No Python changes to lint."
            exit 0
          fi
          echo "Linting changed files:"
          echo "$files"
          ruff check $files