name: Preview smoke

on:
  pull_request:
    branches: [main]
    types: [labeled, opened, synchronize, reopened]

# Only run when:
# - The PR has the 'preview-ready' label, OR
# - The PR body / commits do not contain 'pipeline:.*skip.*smoke'
#
# Skip semantics: convoy-classified docs/infra/config-only PRs add 'skip: smoke'
# to the body and this job no-ops via the gate step below.

concurrency:
  group: preview-smoke-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  gate:
    name: Should run?
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.check.outputs.should_run }}
    steps:
      - name: Decide
        id: check
        run: |
          if echo "${{ github.event.pull_request.body }}" | grep -qE 'pipeline:.*skip.*\bsmoke\b'; then
            echo "should_run=false" >> $GITHUB_OUTPUT
            echo "::notice::Smoke skipped via pipeline directive"
          else
            echo "should_run=true" >> $GITHUB_OUTPUT
          fi

  smoke:
    name: Playwright smoke
    needs: gate
    if: needs.gate.outputs.should_run == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 15
    env:
      # Set this in repo secrets/vars to your preview URL pattern, e.g.
      # https://pr-${{ github.event.pull_request.number }}.preview.example.com
      PREVIEW_URL: ${{ vars.PREVIEW_URL_PATTERN }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: npm
      - run: npm ci
      - name: Install Playwright browsers
        run: npx playwright install --with-deps chromium
      - name: Wait for preview to respond
        run: |
          PREVIEW="${PREVIEW_URL//\$\{PR\}/${{ github.event.pull_request.number }}}"
          for i in {1..30}; do
            if curl -fsS "$PREVIEW" > /dev/null; then
              echo "Preview ready at $PREVIEW"
              echo "PREVIEW_RESOLVED=$PREVIEW" >> $GITHUB_ENV
              exit 0
            fi
            echo "Waiting for preview ($i/30)..."
            sleep 10
          done
          echo "::error::Preview never responded at $PREVIEW"
          exit 1
      - name: Run smoke tests
        run: npx playwright test --project=smoke
        env:
          BASE_URL: ${{ env.PREVIEW_RESOLVED }}
      - name: Upload Playwright report on failure
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: playwright-report/
          retention-days: 7