name: Backend

on:
  push:
    branches: [main, master]
    paths:
      - "backend/**"
      - "pyproject.toml"
      - "uv.lock"
      - "config.yaml.example"
      - ".github/workflows/backend.yml"
  pull_request:
    paths:
      - "backend/**"
      - "pyproject.toml"
      - "uv.lock"
      - "config.yaml.example"
      - ".github/workflows/backend.yml"
  workflow_dispatch:

permissions:
  contents: read

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

jobs:
  lint:
    name: Lint and types
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Install uv
        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
        with:
          enable-cache: true

      - name: Install dependencies
        run: uv sync --all-groups

      - name: ruff
        run: uv run ruff check backend

      - name: ruff format check
        run: uv run ruff format --check backend

      - name: mypy
        run: uv run mypy

  test:
    name: Tests (Python ${{ matrix.python-version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.11", "3.12", "3.13"]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Install uv
        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
        with:
          enable-cache: true
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: uv sync --all-groups

      - name: pytest
        run: uv run pytest --cov=backend/asfcalendar --cov-report=term-missing --cov-report=xml

      - name: Upload coverage
        if: matrix.python-version == '3.12'
        uses: actions/upload-artifact@v4
        with:
          name: backend-coverage
          path: coverage.xml
          if-no-files-found: warn

  smoke:
    name: Starts up
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Install uv
        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
        with:
          enable-cache: true

      - name: Install dependencies
        run: uv sync --all-groups

      # The unit tests use the Quart test client, which never binds a socket.
      # This checks the real server comes up and answers.
      - name: Boot the server and call it
        run: |
          uv run asf-calendar --port 8099 &
          server=$!
          for attempt in $(seq 1 30); do
            if curl -sf http://127.0.0.1:8099/api/healthz > /dev/null; then break; fi
            sleep 1
          done
          curl -sf http://127.0.0.1:8099/api/healthz
          curl -sf http://127.0.0.1:8099/api/events
          kill "$server"