name: CI

on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: read

concurrency:
  group: ci-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  frontend:
    name: Frontend tests and lint
    if: github.event.pull_request.head.repo.full_name != github.repository
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm

      - name: Install JavaScript dependencies
        run: npm ci

      - name: Run JavaScript tests
        run: npm test

      - name: Run ESLint
        run: npm run lint

  backend:
    name: Python tests and static checks
    if: github.event.pull_request.head.repo.full_name != github.repository
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.10"
          cache: pip

      - name: Install Python dependencies
        run: python -m pip install --upgrade pip && python -m pip install -e ".[dev]"

      - name: Run Python tests with workflow coverage
        run: >-
          python -m pytest -q --cov=core.workflow
          --cov-report=term-missing
          --cov-report=xml:coverage-workflow.xml
          --cov-fail-under=75

      - name: Upload workflow coverage report
        uses: actions/upload-artifact@v4
        with:
          name: workflow-coverage
          path: coverage-workflow.xml
          if-no-files-found: error

      - name: Run Ruff
        run: python -m ruff check __init__.py core

      - name: Check Python syntax
        run: python -m compileall -q __init__.py core