name: Playwright E2E (stubbed)

# Reusable workflow called from build.yml. Backend-free Playwright suite —
# fast, no Spring Boot required. Runs against the `stubbed` project which
# mocks API responses in the browser.
on:
  workflow_call:
    inputs:
      depot_cores:
        description: "Depot runner vCPU count (used in runs-on). Override for benchmarking. Tuned to 8 to match the other playwright workflows; bench showed flat scaling above 8."
        required: false
        type: string
        default: "8"

permissions:
  contents: read

jobs:
  pick:
    uses: ./.github/workflows/_runner-pick.yml

  playwright-e2e:
    needs: pick
    runs-on: ${{ needs.pick.outputs.is_fork == 'true' && 'ubuntu-latest' || format('depot-ubuntu-24.04-{0}', inputs.depot_cores || '8') }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
        with:
          egress-policy: audit
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      - name: Set up Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: "22"
          cache: "npm"
          cache-dependency-path: frontend/package-lock.json
      - name: Install Task
        uses: go-task/setup-task@3be4020d41929789a01026e0e427a4321ce0ad44 # v2.0.0
      - name: Install Playwright (chromium only)
        run: task e2e:install -- chromium
      - name: Build frontend (production bundle for vite preview)
        env:
          VITE_BUILD_FOR_PREVIEW: "1"
        run: task frontend:build
      - name: Run stubbed E2E tests (chromium)
        run: task e2e:stubbed -- --workers=3
      - name: Upload Playwright report
        if: always()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: playwright-report-stubbed-${{ github.run_id }}
          path: frontend/editor/playwright-report/
          retention-days: 7