name: E2E Tests

on:
  pull_request:
    branches: [main, dev]
    types: [opened, synchronize, reopened, ready_for_review]
    paths:
      - 'surfsense_web/**'
      - 'surfsense_backend/**'
      - '.github/workflows/e2e-tests.yml'
  workflow_dispatch:

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

jobs:
  e2e:
    name: Playwright E2E
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false
    timeout-minutes: 30
    env:
      # Backend
      DATABASE_URL: postgresql+asyncpg://postgres:postgres@localhost:5432/surfsense_e2e
      SECRET_KEY: ci-test-secret-key-not-for-production
      AUTH_TYPE: LOCAL
      ETL_SERVICE: DOCLING
      EMBEDDING_MODEL: sentence-transformers/all-MiniLM-L6-v2
      # Frontend (consumed by `next dev` via playwright.config.ts webServer.env)
      NEXT_PUBLIC_FASTAPI_BACKEND_URL: http://localhost:8000
      NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE: LOCAL
      # Playwright
      PLAYWRIGHT_TEST_EMAIL: e2e-test@surfsense.net
      PLAYWRIGHT_TEST_PASSWORD: E2eTestPassword123!

    services:
      postgres:
        image: pgvector/pgvector:pg17
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: surfsense_e2e
        ports:
          - 5432:5432
        options: >-
          --health-cmd "pg_isready -U postgres -d surfsense_e2e"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: '3.12'

      - name: Install uv
        uses: astral-sh/setup-uv@v8.1.0

      - name: Cache backend dependencies
        uses: actions/cache@v5
        with:
          path: |
            ~/.cache/uv
            surfsense_backend/.venv
          key: python-deps-${{ hashFiles('surfsense_backend/uv.lock') }}
          restore-keys: |
            python-deps-

      - name: Cache HuggingFace models
        uses: actions/cache@v5
        with:
          path: ~/.cache/huggingface
          key: hf-models-${{ env.EMBEDDING_MODEL }}

      - name: Install backend dependencies
        working-directory: surfsense_backend
        run: uv sync

      - name: Run database migrations
        working-directory: surfsense_backend
        run: uv run alembic upgrade head

      - name: Start backend
        working-directory: surfsense_backend
        run: |
          uv run uvicorn main:app --host 0.0.0.0 --port 8000 \
            > backend.log 2>&1 &
          echo $! > backend.pid

      - name: Wait for backend readiness
        run: |
          for i in $(seq 1 60); do
            if curl -sf http://localhost:8000/openapi.json > /dev/null; then
              echo "Backend is up"
              exit 0
            fi
            sleep 2
          done
          echo "Backend failed to start within 120s"
          cat surfsense_backend/backend.log
          exit 1

      - name: Register E2E test user
        run: |
          # Idempotent: 200/201 = created, 400 = already exists (also OK)
          STATUS=$(curl -s -o /tmp/register.json -w "%{http_code}" \
            -X POST http://localhost:8000/auth/register \
            -H "Content-Type: application/json" \
            -d "{\"email\":\"${PLAYWRIGHT_TEST_EMAIL}\",\"password\":\"${PLAYWRIGHT_TEST_PASSWORD}\"}")
          echo "Register status: ${STATUS}"
          cat /tmp/register.json
          if [ "${STATUS}" != "200" ] && [ "${STATUS}" != "201" ] && [ "${STATUS}" != "400" ]; then
            echo "Failed to register test user (status ${STATUS})"
            exit 1
          fi

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '20'

      - name: Install pnpm
        uses: pnpm/action-setup@v6
        with:
          version: 10

      - name: Get pnpm store directory
        id: pnpm-cache
        shell: bash
        run: echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_OUTPUT

      - name: Cache pnpm store
        uses: actions/cache@v5
        with:
          path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}
          key: pnpm-${{ runner.os }}-${{ hashFiles('surfsense_web/pnpm-lock.yaml') }}
          restore-keys: |
            pnpm-${{ runner.os }}-

      - name: Install web dependencies
        working-directory: surfsense_web
        run: pnpm install --frozen-lockfile

      - name: Cache Playwright browsers
        id: playwright-cache
        uses: actions/cache@v5
        with:
          path: ~/.cache/ms-playwright
          key: playwright-${{ runner.os }}-${{ hashFiles('surfsense_web/pnpm-lock.yaml') }}

      - name: Install Playwright browsers
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        working-directory: surfsense_web
        run: pnpm exec playwright install --with-deps chromium

      - name: Install Playwright system deps (cache hit)
        if: steps.playwright-cache.outputs.cache-hit == 'true'
        working-directory: surfsense_web
        run: pnpm exec playwright install-deps chromium

      - name: Run Playwright tests
        working-directory: surfsense_web
        run: pnpm test:e2e

      - name: Upload Playwright HTML report
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: playwright-report
          path: surfsense_web/playwright-report/
          retention-days: 14

      - name: Upload Playwright traces
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: playwright-traces
          path: surfsense_web/test-results/
          retention-days: 14

      - name: Upload backend log
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: backend-log
          path: surfsense_backend/backend.log
          retention-days: 7

      - name: Stop backend
        if: always()
        working-directory: surfsense_backend
        run: |
          if [ -f backend.pid ]; then
            kill "$(cat backend.pid)" 2>/dev/null || true
          fi