name: Smoke

on:
  push:
    branches: main
  pull_request:
    branches: main
  schedule:
    - cron: "0 0 * * *" # Run daily at midnight UTC

jobs:
  smoke:
    name: ${{ matrix.os }} / Node ${{ matrix.node }} / Python ${{ matrix.python }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        node: [20, 22]
        python: [3.12, 3.13]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node }}

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Install uv
        uses: astral-sh/setup-uv@v4
        with:
          enable-cache: true

      - name: Configure uv to use matrix Python version
        run: echo "UV_PYTHON=python${{ matrix.python }}" >> $GITHUB_ENV

      - name: Install Node.js dependencies (root)
        run: npm install

      - name: Install Node.js dependencies (agent)
        run: |
          cd agent
          npm install

      - name: Build frontend
        run: npm run build

      - name: Test frontend startup (Linux/macOS)
        if: runner.os != 'Windows'
        run: |
          # Start the Next.js frontend in background
          npm start &
          FRONTEND_PID=$!

          # Wait for frontend to start (max 30 seconds)
          timeout=30
          elapsed=0
          started=false

          while [ $elapsed -lt $timeout ] && [ "$started" = false ]; do
            if curl -s http://localhost:3000 > /dev/null 2>&1; then
              started=true
              echo "✅ Frontend started successfully"
            else
              sleep 1
              elapsed=$((elapsed + 1))
            fi
          done

          # Clean up background process
          kill $FRONTEND_PID 2>/dev/null || true

          if [ "$started" = false ]; then
            echo "❌ Frontend failed to start within 30 seconds"
            exit 1
          fi
        shell: bash

      - name: Test frontend startup (Windows)
        if: runner.os == 'Windows'
        run: |
          # Start the Next.js frontend in background
          npm start &

          # Wait for frontend to start (max 30 seconds)
          $timeout = 30
          $elapsed = 0
          $started = $false

          while ($elapsed -lt $timeout -and -not $started) {
            try {
              $response = Invoke-WebRequest -Uri "http://localhost:3000" -TimeoutSec 1 -ErrorAction SilentlyContinue
              if ($response.StatusCode -eq 200) {
                $started = $true
                Write-Host "✅ Frontend started successfully"
              }
            } catch {
              Start-Sleep -Seconds 1
              $elapsed++
            }
          }

          if (-not $started) {
            Write-Host "❌ Frontend failed to start within 30 seconds"
            exit 1
          }
        shell: pwsh

      - name: Run linting
        run: npm run lint

  notify-slack:
    name: Notify Slack on Failure
    runs-on: ubuntu-latest
    needs: smoke
    if: |
      failure() &&
      github.event_name == 'schedule'
    steps:
      - name: Notify Slack
        uses: slackapi/slack-github-action@v2.1.0
        with:
          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
          webhook-type: incoming-webhook
          payload: |
            {
              "text": ":warning: *Smoke test failed for `with-langgraph-python` :warning:.*",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": ":warning: *Smoke test failed for <https://github.com/copilotkit/with-langgraph-python|with-langgraph-python> :warning:*\n\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|View run details>"
                  }
                }
              ]
            }