name: Build and Push Docker Image only on Conventional Commits

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      DOCKER_REGISTRY: git.trai-infra.comstack.de
      DOCKER_IMAGE: marian.lippitz/tap-frontend

    steps:
      - name: Checkout Code
        uses: actions/checkout@v3

      - name: Validate Conventional Commit
        id: validate
        run: |
          if git log -1 --pretty=%B | grep -Eq "^(feat|fix|docs|style|refactor|perf|test|chore|build|ci|revert)(\(.+\))?: .+"; then
            echo "valid=true" >> $GITHUB_OUTPUT
          else
            echo "valid=false" >> $GITHUB_OUTPUT
          fi

      - name: Stop if not a Conventional Commit
        if: ${{ steps.validate.outputs.valid == 'false' }}
        run: |
          echo "Latest commit is not a valid Conventional Commit. Skipping build."
          exit 0

      - name: Docker Login
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          echo "$DOCKER_PASSWORD" | docker login $DOCKER_REGISTRY -u "$DOCKER_USERNAME" --password-stdin

      - name: Build Docker Image
        run: |
          docker build -t "$DOCKER_REGISTRY/$DOCKER_IMAGE:latest" .

      - name: Push Docker Image
        run: |
          docker push "$DOCKER_REGISTRY/$DOCKER_IMAGE:latest"

      - name: Trigger Kubernetes Redeployment
        uses: docker://registry.k8s.io/kubectl:latest
        env:
          KUBECONFIG: ${{ secrets.KUBECONFIG }}
        run: |
          DEPLOYMENT="tap-frontend"
          NAMESPACE="frontend"
          TIMESTAMP="$(date -u +'%Y-%m-%dT%H:%M:%SZ')"

          echo "🔄 Restarting deployment: $DEPLOYMENT in namespace: $NAMESPACE"
          kubectl patch deployment "$DEPLOYMENT" -n "$NAMESPACE" \
            -p "{\"spec\":{\"template\":{\"metadata\":{\"annotations\":{\"kubectl.kubernetes.io/restartedAt\":\"${TIMESTAMP}\"}}}}}"

          echo "⏳ Waiting for rollout to complete..."
          kubectl rollout status deployment "$DEPLOYMENT" -n "$NAMESPACE" --timeout=120s

          echo "✅ Restart complete at $TIMESTAMP"