name: Test Suite

# push develop/main → compose-smoke (frischer Build auf dem Runner)
# workflow_run nach Deploy → pytest/k6/playwright gegen laufende Instanz
# pull_request → compose-smoke
on:
  push:
    branches: [develop, main]
  pull_request:
    branches: [develop]
  workflow_run:
    workflows: ["Deploy Development", "Deploy Production"]
    types: [completed]

jobs:
  compose-smoke:
    if: github.event_name == 'push' || github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    env:
      DB_PASSWORD: ci_smoke_password
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Compose Stack bauen und testen
        run: |
          set -e
          if [ "${{ github.ref_name }}" = "main" ]; then
            COMPOSE="docker-compose.yml"
            API_PORT=8004
            UI_PORT=3004
          else
            COMPOSE="docker-compose.dev-env.yml"
            API_PORT=8097
            UI_PORT=3097
          fi

          echo "=== Smoke: $COMPOSE ==="
          docker compose -f "$COMPOSE" up -d --build --wait

          curl -sf "http://localhost:${API_PORT}/api/health" | tee /tmp/health-api.json
          echo "✓ Backend /api/health OK"

          curl -sf "http://localhost:${UI_PORT}/api/health" | tee /tmp/health-ui.json
          echo "✓ Frontend-Proxy /api/health OK"

          docker compose -f "$COMPOSE" exec -T backend pip install -q -r requirements-dev.txt
          docker compose -f "$COMPOSE" exec -T backend python -m pytest tests -ra -vv --tb=short
          echo "✓ pytest OK"

          docker compose -f "$COMPOSE" down -v

  pytest-backend:
    if: github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    steps:
      - name: Backend pytest im deployten Container
        run: |
          set -e
          RUN_WORKFLOW="${{ github.event.workflow_run.name }}"
          if [ "$RUN_WORKFLOW" = "Deploy Production" ]; then
            APP_DIR="/home/lars/docker/kairo"
            COMPOSE_FILE="docker-compose.yml"
          else
            APP_DIR="/home/lars/docker/kairo-dev"
            COMPOSE_FILE="docker-compose.dev-env.yml"
          fi

          cd "$APP_DIR"
          for i in $(seq 1 60); do
            if docker compose -f "$COMPOSE_FILE" exec -T backend true 2>/dev/null; then
              break
            fi
            if [ "$i" -eq 60 ]; then
              docker compose -f "$COMPOSE_FILE" ps || true
              docker compose -f "$COMPOSE_FILE" logs backend --tail 80 || true
              exit 1
            fi
            sleep 5
          done

          docker compose -f "$COMPOSE_FILE" exec -T backend sh -lc "
            pip install -q -r requirements-dev.txt &&
            python -m pytest tests -ra -vv --tb=short
          "

  lint-backend:
    if: github.event_name == 'push' || github.event_name == 'pull_request' || (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        if: github.event_name != 'workflow_run'
        uses: actions/checkout@v4

      - name: Check backend syntax (Checkout)
        if: github.event_name != 'workflow_run'
        run: python3 -m py_compile backend/main.py backend/run_migrations.py backend/db.py

      - name: Check backend syntax (Deploy-Pfad)
        if: github.event_name == 'workflow_run'
        run: |
          RUN_WORKFLOW="${{ github.event.workflow_run.name }}"
          if [ "$RUN_WORKFLOW" = "Deploy Production" ]; then
            APP_DIR="/home/lars/docker/kairo"
          else
            APP_DIR="/home/lars/docker/kairo-dev"
          fi
          python3 -m py_compile "$APP_DIR/backend/main.py"
          echo "✓ Backend syntax OK"

  build-frontend:
    if: github.event_name == 'push' || github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Build frontend
        run: |
          cd frontend
          npm install
          npm run build
          echo "✓ Frontend build OK"

  k6-health-baseline:
    name: k6 /api/health Baseline
    if: github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: k6 Ziel wählen (localhost auf Runner)
        id: k6
        run: |
          if [ "${{ github.event.workflow_run.name }}" = "Deploy Production" ]; then
            echo "base_url=http://localhost:8004" >> $GITHUB_OUTPUT
          else
            echo "base_url=http://localhost:8097" >> $GITHUB_OUTPUT
          fi

      - name: /api/health abwarten
        run: |
          BASE="${{ steps.k6.outputs.base_url }}"
          for i in $(seq 1 60); do
            if curl -sf "$BASE/api/health" >/dev/null 2>&1; then
              echo "Health OK (Versuch $i)"
              exit 0
            fi
            sleep 2
          done
          curl -v "$BASE/api/health" || true
          exit 1

      - name: Install k6
        run: |
          set -e
          K6_VER="v0.55.0"
          ARCH=$(uname -m)
          case "$ARCH" in
            x86_64) K6_ARCH=amd64 ;;
            aarch64|arm64) K6_ARCH=arm64 ;;
            *) echo "k6: unbekannte Architektur: $ARCH"; exit 1 ;;
          esac
          curl -sSL "https://github.com/grafana/k6/releases/download/${K6_VER}/k6-${K6_VER}-linux-${K6_ARCH}.tar.gz" -o /tmp/k6.tgz
          tar -xzf /tmp/k6.tgz -C /tmp
          sudo mv "/tmp/k6-${K6_VER}-linux-${K6_ARCH}/k6" /usr/local/bin/k6

      - name: k6 Health-Baseline
        env:
          BASE_URL: ${{ steps.k6.outputs.base_url }}
        run: k6 run scripts/load/k6-health-baseline.js

  playwright-smoke:
    if: github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Playwright Ziel wählen
        id: pw
        run: |
          if [ "${{ github.event.workflow_run.name }}" = "Deploy Production" ]; then
            echo "base_url=http://localhost:3004" >> $GITHUB_OUTPUT
          else
            echo "base_url=http://localhost:3097" >> $GITHUB_OUTPUT
          fi

      - name: /api/health abwarten
        run: |
          BASE="${{ steps.pw.outputs.base_url }}"
          for i in $(seq 1 60); do
            if curl -sf "$BASE/api/health" >/dev/null 2>&1; then
              exit 0
            fi
            sleep 2
          done
          exit 1

      - name: Install Playwright
        run: |
          npm install
          npx playwright install --with-deps chromium

      - name: Run smoke tests
        env:
          PLAYWRIGHT_BASE_URL: ${{ steps.pw.outputs.base_url }}
        run: npx playwright test tests/smoke-health.spec.js