name: Test Suite

# Push develop/main: deploy → pytest, k6, Playwright (needs deploy, gleicher Workflow)
# Pull Request: compose-smoke auf isolierten Ports (kein Konflikt mit kairo-dev)
on:
  push:
    branches: [develop, main]
  pull_request:
    branches: [develop]

jobs:
  lint-backend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Check backend syntax
        run: |
          python3 -m py_compile backend/main.py backend/run_migrations.py backend/db.py
          echo "✓ Backend syntax OK"

  build-frontend:
    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"

  deploy:
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to target environment
        run: |
          set -e
          REPO="http://192.168.2.144:3000/Lars/Kairo-Jinkendo.git"

          if [ "${{ github.ref_name }}" = "main" ]; then
            TARGET="/home/lars/docker/kairo"
            BRANCH="main"
            COMPOSE="docker-compose.yml"
            API_PORT=8004
            UI_PORT=3004
            echo "=== Deploy PRODUCTION ==="
          else
            TARGET="/home/lars/docker/kairo-dev"
            BRANCH="develop"
            COMPOSE="docker-compose.dev-env.yml"
            API_PORT=8097
            UI_PORT=3097
            echo "=== Deploy DEVELOPMENT ==="
          fi

          mkdir -p "$TARGET"
          cd "$TARGET"
          if [ ! -d .git ]; then
            git clone -b "$BRANCH" "$REPO" .
          else
            git fetch origin "$BRANCH"
            git checkout "$BRANCH"
            git reset --hard "origin/$BRANCH"
          fi

          docker compose -f "$COMPOSE" build --no-cache
          docker compose -f "$COMPOSE" up -d --wait

          curl -sf "http://localhost:${API_PORT}/api/health" && echo "✓ API /api/health OK"
          curl -sf "http://localhost:${UI_PORT}/api/health" && echo "✓ Frontend-Proxy /api/health OK"

          echo "DEPLOY_TARGET=$TARGET" >> "$GITHUB_ENV"
          echo "DEPLOY_COMPOSE=$COMPOSE" >> "$GITHUB_ENV"
          echo "DEPLOY_API_PORT=$API_PORT" >> "$GITHUB_ENV"
          echo "DEPLOY_UI_PORT=$UI_PORT" >> "$GITHUB_ENV"

  compose-smoke:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    env:
      COMPOSE_PROJECT_NAME: kairo-ci-smoke
      DB_PASSWORD: ci_smoke_password
      KAIRO_BACKEND_PORT: 18197
      KAIRO_FRONTEND_PORT: 13197
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Compose Stack bauen und testen (isolierte CI-Ports)
        run: |
          set -e
          COMPOSE="docker-compose.dev-env.yml"
          API_PORT="${KAIRO_BACKEND_PORT}"
          UI_PORT="${KAIRO_FRONTEND_PORT}"

          docker compose -f "$COMPOSE" up -d --build --wait
          curl -sf "http://localhost:${API_PORT}/api/health"
          curl -sf "http://localhost:${UI_PORT}/api/health"
          docker compose -f "$COMPOSE" exec -T backend pip install -q -r requirements-dev.txt
          docker compose -f "$COMPOSE" exec -T backend python -m pytest tests -ra -vv --tb=short
          docker compose -f "$COMPOSE" down -v
          echo "✓ PR compose-smoke + pytest OK"

  pytest-backend:
    if: github.event_name == 'push'
    needs: [deploy]
    runs-on: ubuntu-latest
    steps:
      - name: Backend pytest im deployten Container
        run: |
          set -e
          if [ "${{ github.ref_name }}" = "main" ]; then
            APP_DIR="/home/lars/docker/kairo"
            COMPOSE="docker-compose.yml"
          else
            APP_DIR="/home/lars/docker/kairo-dev"
            COMPOSE="docker-compose.dev-env.yml"
          fi

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

          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"

  k6-health-baseline:
    name: k6 /api/health Baseline
    if: github.event_name == 'push'
    needs: [deploy]
    runs-on: ubuntu-latest
    steps:
      - name: k6 gegen deployte Instanz (localhost)
        run: |
          set -e
          if [ "${{ github.ref_name }}" = "main" ]; then
            APP_DIR="/home/lars/docker/kairo"
            BASE_URL="http://localhost:8004"
          else
            APP_DIR="/home/lars/docker/kairo-dev"
            BASE_URL="http://localhost:8097"
          fi

          for i in $(seq 1 30); do
            if curl -sf "$BASE_URL/api/health" >/dev/null 2>&1; then
              break
            fi
            if [ "$i" -eq 30 ]; then
              curl -v "$BASE_URL/api/health" || true
              exit 1
            fi
            sleep 2
          done

          cd "$APP_DIR"
          K6_VER="v0.55.0"
          if ! command -v k6 >/dev/null 2>&1; then
            ARCH=$(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
          fi

          BASE_URL="$BASE_URL" k6 run scripts/load/k6-health-baseline.js
          echo "✓ k6 OK"

  playwright-smoke:
    if: github.event_name == 'push'
    needs: [deploy]
    runs-on: ubuntu-latest
    steps:
      - name: Playwright smoke gegen deployte Instanz
        run: |
          set -e
          if [ "${{ github.ref_name }}" = "main" ]; then
            APP_DIR="/home/lars/docker/kairo"
            BASE_URL="http://localhost:3004"
          else
            APP_DIR="/home/lars/docker/kairo-dev"
            BASE_URL="http://localhost:3097"
          fi

          for i in $(seq 1 30); do
            if curl -sf "$BASE_URL/api/health" >/dev/null 2>&1; then
              break
            fi
            if [ "$i" -eq 30 ]; then
              exit 1
            fi
            sleep 2
          done

          cd "$APP_DIR"
          if ! command -v node >/dev/null 2>&1; then
            echo "Fehler: Node.js auf dem Runner erforderlich für Playwright."
            exit 1
          fi

          npm install --no-audit --no-fund
          npx playwright install --with-deps chromium
          PLAYWRIGHT_BASE_URL="$BASE_URL" npx playwright test tests/smoke-health.spec.js
          echo "✓ Playwright smoke OK"