name: Develop theme correctness
on:
  pull_request:
    branches: [develop]
  push:
    branches: [develop]
permissions:
  contents: read
jobs:
  chromium:
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
        with:
          persist-credentials: false
          fetch-depth: 0
      - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1
        with:
          node-version: '22'
          cache: npm
          cache-dependency-path: tests/e2e/package-lock.json
      - name: Install locked browser tooling
        working-directory: tests/e2e
        run: |
          set -euo pipefail
          npm ci --ignore-scripts
          npx --no-install playwright install --with-deps chromium
      - name: Verify theme parsing and computed rendering
        working-directory: tests/e2e
        env:
          CACTI_THEME_COVERAGE: '1'
        run: npx --no-install playwright test tests/develop-theme-correctness.spec.ts tests/develop-theme-cleanup.spec.ts --project=chromium
      - name: Require at least 80 percent of changed CSS lines
        if: github.event_name == 'pull_request'
        env:
          BASE_COMMIT: ${{ github.event.pull_request.base.sha }}
        run: |
          set -euo pipefail
          # The event's base SHA can predate the develop tip this checkout was
          # merged onto, which counts develop's own lines as the PR's.
          if git rev-parse --verify --quiet 'HEAD^2' >/dev/null; then
            BASE_COMMIT="$(git rev-parse 'HEAD^1')"
          fi
          python3 tests/tools/test_report_changed_coverage.py
          python3 tests/tools/report_changed_coverage.py --base "$BASE_COMMIT" \
            --language css --minimum 80 --browser-root tests/e2e/test-results
      - name: Preserve stylesheet coverage evidence
        if: always()
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9
        with:
          name: theme-coverage
          path: tests/e2e/test-results
          if-no-files-found: warn