# Description: End-to-end testing with Playwright across multiple browsers, deploys test reports to Cloudflare Pages
name: "CI: Tests E2E"

on:
  push:
    branches: [main, master, core/*, desktop/*]
  pull_request:
    branches-ignore:
      [wip/*, draft/*, temp/*, vue-nodes-migration, sno-playwright-*]

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

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      cache-key: ${{ steps.cache-key.outputs.key }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      # Setup Test Environment, build frontend but do not start server yet
      - name: Setup ComfyUI server
        uses: ./.github/actions/setup-comfyui-server
      - name: Setup frontend
        uses: ./.github/actions/setup-frontend
        with:
          include_build_step: true
      - name: Setup Playwright
        uses: ./.github/actions/setup-playwright  # Setup Playwright and cache browsers

      # Save the entire workspace as cache for later test jobs to restore
      - name: Generate cache key
        id: cache-key
        run: echo "key=$(date +%s)" >> $GITHUB_OUTPUT
      - name: Save cache
        uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684
        with:
          path: .
          key: comfyui-setup-${{ steps.cache-key.outputs.key }}

  # Sharded chromium tests
  playwright-tests-chromium-sharded:
    needs: setup
    runs-on: ubuntu-latest
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        shardIndex: [1, 2, 3, 4, 5, 6, 7, 8]
        shardTotal: [8]
    steps:
      # download built frontend repo from setup job
      - name: Wait for cache propagation
        run: sleep 10
      - name: Restore cached setup
        uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684
        with:
          fail-on-cache-miss: true
          path: .
          key: comfyui-setup-${{ needs.setup.outputs.cache-key }}

      # Setup Test Environment for this runner, start server, use cached built frontend ./dist from 'setup' job
      - name: Setup ComfyUI server
        uses: ./.github/actions/setup-comfyui-server
        with:
          launch_server: true
      - name: Setup nodejs, pnpm, reuse built frontend
        uses: ./.github/actions/setup-frontend
      - name: Setup Playwright
        uses: ./.github/actions/setup-playwright

      # Run sharded tests and upload sharded reports
      - name: Run Playwright tests (Shard ${{ matrix.shardIndex }}/${{ matrix.shardTotal }})
        id: playwright
        run: pnpm exec playwright test --project=chromium --shard=${{ matrix.shardIndex }}/${{ matrix.shardTotal }} --reporter=blob
        env:
          PLAYWRIGHT_BLOB_OUTPUT_DIR: ./blob-report

      - name: Upload blob report
        uses: actions/upload-artifact@v4
        if: ${{ !cancelled() }}
        with:
          name: blob-report-chromium-${{ matrix.shardIndex }}
          path: blob-report/
          retention-days: 1

  playwright-tests:
    # Ideally, each shard runs test in 6 minutes, but allow up to 15 minutes
    timeout-minutes: 15
    needs: setup
    runs-on: ubuntu-latest
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        browser: [chromium-2x, chromium-0.5x, mobile-chrome]
    steps:
      # download built frontend repo from setup job
      - name: Wait for cache propagation
        run: sleep 10
      - name: Restore cached setup
        uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684
        with:
          fail-on-cache-miss: true
          path: .
          key: comfyui-setup-${{ needs.setup.outputs.cache-key }}

      # Setup Test Environment for this runner, start server, use cached built frontend ./dist from 'setup' job
      - name: Setup ComfyUI server
        uses: ./.github/actions/setup-comfyui-server
        with:
          launch_server: true
      - name: Setup nodejs, pnpm, reuse built frontend
        uses: ./.github/actions/setup-frontend
      - name: Setup Playwright
        uses: ./.github/actions/setup-playwright

      # Run tests and upload reports
      - name: Run Playwright tests (${{ matrix.browser }})
        id: playwright
        run: |
          # Run tests with blob reporter first
          pnpm exec playwright test --project=${{ matrix.browser }} --reporter=blob
        env:
          PLAYWRIGHT_BLOB_OUTPUT_DIR: ./blob-report

      - name: Generate HTML and JSON reports
        if: always()
        run: |
          # Generate HTML report from blob
          pnpm exec playwright merge-reports --reporter=html ./blob-report
          # Generate JSON report separately with explicit output path
          PLAYWRIGHT_JSON_OUTPUT_NAME=playwright-report/report.json \
          pnpm exec playwright merge-reports --reporter=json ./blob-report

      - name: Upload Playwright report
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: playwright-report-${{ matrix.browser }}
          path: ./playwright-report/
          retention-days: 30

  # Merge sharded test reports
  merge-reports:
    needs: [playwright-tests-chromium-sharded]
    runs-on: ubuntu-latest
    if: ${{ !cancelled() }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      # Setup Test Environment, we only need playwright to merge reports
      - name: Setup frontend
        uses: ./.github/actions/setup-frontend
      - name: Setup Playwright
        uses: ./.github/actions/setup-playwright

      - name: Download blob reports
        uses: actions/download-artifact@v4
        with:
          path: ./all-blob-reports
          pattern: blob-report-chromium-*
          merge-multiple: true

      - name: Merge into HTML Report
        run: |
          # Generate HTML report
          pnpm exec playwright merge-reports --reporter=html ./all-blob-reports
          # Generate JSON report separately with explicit output path
          PLAYWRIGHT_JSON_OUTPUT_NAME=playwright-report/report.json \
          pnpm exec playwright merge-reports --reporter=json ./all-blob-reports

      - name: Upload HTML report
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report-chromium
          path: ./playwright-report/
          retention-days: 30

  #### BEGIN Deployment and commenting (non-forked PRs only)
  # when using pull_request event, we have permission to comment directly
  # if its a forked repo, we need to use workflow_run event in a separate workflow (pr-playwright-deploy.yaml)

  # Post starting comment for non-forked PRs
  comment-on-pr-start:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
    permissions:
      pull-requests: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Get start time
        id: start-time
        run: echo "time=$(date -u '+%m/%d/%Y, %I:%M:%S %p')" >> $GITHUB_OUTPUT

      - name: Post starting comment
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          chmod +x scripts/cicd/pr-playwright-deploy-and-comment.sh
          ./scripts/cicd/pr-playwright-deploy-and-comment.sh \
            "${{ github.event.pull_request.number }}" \
            "${{ github.head_ref }}" \
            "starting" \
            "${{ steps.start-time.outputs.time }}"

  # Deploy and comment for non-forked PRs only
  deploy-and-comment:
    needs: [playwright-tests, merge-reports]
    runs-on: ubuntu-latest
    if: always() && github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
    permissions:
      pull-requests: write
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Download all playwright reports
        uses: actions/download-artifact@v4
        with:
          pattern: playwright-report-*
          path: reports

      - name: Deploy reports and comment on PR
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          bash ./scripts/cicd/pr-playwright-deploy-and-comment.sh \
            "${{ github.event.pull_request.number }}" \
            "${{ github.head_ref }}" \
            "completed"
  #### END Deployment and commenting (non-forked PRs only)