name: Web Tests/Analysis

on:
  workflow_dispatch:
  push:
    paths:
      - 'python/web/**'
      - 'python/common/**'
      - '.github/workflows/web.yml'
      - 'easyinstall.sh'
  pull_request:
    paths:
      - 'python/web/**'
      - 'python/common/**'
      - '.github/workflows/web.yml'
      - 'easyinstall.sh'
    branches:
      - 'develop'
      - 'main'

jobs:
  backend_checks:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: python
    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-python@v4
        with:
          python-version: 3.7.15
          cache: 'pip'

      - run: pip install -r web/requirements-dev.txt
        id: pip

      - run: black --check .

      - run: flake8 .
        if: success() || failure() && steps.pip.outcome == 'success'

  backend_tests:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: docker
    steps:
      - uses: actions/checkout@v3

      - name: Check DockerHub for existing backend image
        run: |
          export DOCKER_BACKEND_IMAGE="piscsi/backend-standalone:`git ls-files -s python .github/workflows/web.yml | git hash-object --stdin`"
          echo "DOCKER_BACKEND_IMAGE=${DOCKER_BACKEND_IMAGE}" >> $GITHUB_ENV
          docker pull --quiet ${DOCKER_BACKEND_IMAGE} || echo "DOCKER_BACKEND_NEEDS_PUSH=1" >> $GITHUB_ENV

      - name: Build and launch containers
        run: docker compose -f docker-compose.ci.yml up -d

      - name: Run test suite
        run: docker compose -f docker-compose.ci.yml run pytest -v

      - name: Check if DockerHub secrets defined
        run: if [[ $DOCKERHUB_USERNAME && $DOCKERHUB_TOKEN ]]; then echo "DOCKERHUB_SECRETS_DEFINED=1" >> $GITHUB_ENV; fi
        env:
          DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to DockerHub
        uses: docker/login-action@v2
        if: env.DOCKERHUB_SECRETS_DEFINED && env.DOCKER_BACKEND_NEEDS_PUSH
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Push backend image to DockerHub
        if: (success() || failure()) && env.DOCKERHUB_SECRETS_DEFINED && env.DOCKER_BACKEND_NEEDS_PUSH
        run: docker compose -f docker-compose.ci.yml push backend

      - name: Upload test artifacts
        if: success() || failure()
        uses: actions/upload-artifact@v3
        with:
          name: pytest-output.zip
          path: |
            docker/volumes/pytest/report.xml
            docker/volumes/pytest/pytest.log

      - name: Output container logs
        if: success() || failure()
        run: |
          docker compose -f docker-compose.ci.yml logs backend > backend.log
          docker compose -f docker-compose.ci.yml logs web > web.log
          docker compose -f docker-compose.ci.yml logs -t | sort -u -k 3 > combined.log

      - name: Upload backend log
        if: success() || failure()
        uses: actions/upload-artifact@v3
        with:
          name: backend.log
          path: docker/backend.log

      - name: Upload web log
        if: success() || failure()
        uses: actions/upload-artifact@v3
        with:
          name: web.log
          path: docker/web.log

      - name: Upload combined log
        if: success() || failure()
        uses: actions/upload-artifact@v3
        with:
          name: combined.log
          path: docker/combined.log

  frontend_checks:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: python/web
    steps:
    - uses: actions/checkout@v3

    - uses: actions/setup-node@v3
      with:
        node-version: 16
        cache: 'npm'
        cache-dependency-path: python/web/package-lock.json

    - run: npm ci
      id: npm

    - name: Stylelint
      run: |
        npx stylelint src/static/themes/modern/style.css
        npx stylelint src/static/themes/classic/style.css

    - name: Prettier
      run: |
        npx prettier --check src/static/themes/modern/style.css
        npx prettier --check src/static/themes/classic/style.css
      if: success() || failure() && steps.npm.outcome == 'success'