name: Build and Deploy
run-name: ${{ gitea.actor }} Build and Deploy 🚀
on:
  push:
    branches:
      - main

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v3

      # -----------------------------------------------------------------
      # CI PART
      # -----------------------------------------------------------------
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Docker Login (Gitea Registry)
        uses: docker/login-action@v3
        with:
          registry: ${{ vars.GITEA_REGISTRY_URL }}
          username: ${{ secrets.GITEA_REGISTRY_USERNAME }}
          password: ${{ secrets.GITEA_REGISTRY_PASSWORD }}

      # BACKEND BUILD & PUSH
      - name: Build and Push Backend
        id: docker_build_backend
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          push: true
          tags: ${{ vars.GITEA_REGISTRY_URL }}/${{ github.repository }}/backend:latest
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # FRONTEND BUILD & PUSH
      - name: Build and Push Frontend
        id: docker_build_frontend
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          push: true
          tags: ${{ vars.GITEA_REGISTRY_URL }}/${{ github.repository }}/frontend:latest
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # -----------------------------------------------------------------
      # CD PART
      # -----------------------------------------------------------------
      - name: Install Kubectl Binary
        run: |
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/arm64/kubectl"
          chmod +x kubectl
          sudo mv kubectl /usr/local/bin/

      - name: Deploy to Kubernetes and Update
        run: |
          # 1. Write Kubeconfig content to file
          echo "${{ secrets.KUBE_CONFIG }}" > /tmp/kubeconfig.yaml
          
          # 2. Get the new image Digests
          BACKEND_DIGEST="${{ vars.GITEA_REGISTRY_URL }}/${{ github.repository }}/backend@${{ steps.docker_build_backend.outputs.digest }}"
          FRONTEND_DIGEST="${{ vars.GITEA_REGISTRY_URL }}/${{ github.repository }}/frontend@${{ steps.docker_build_frontend.outputs.digest }}"

          # 3. Update Deployment
          kubectl set image deployment/evrak-backend backend=${BACKEND_DIGEST} \
            --kubeconfig=/tmp/kubeconfig.yaml -n default
            
          kubectl set image deployment/evrak-frontend frontend=${FRONTEND_DIGEST} \
            --kubeconfig=/tmp/kubeconfig.yaml -n default
            
          # 4. Rollout Restart to ensure fresh pods
          kubectl rollout restart deployment/evrak-backend \
            --kubeconfig=/tmp/kubeconfig.yaml -n default
            
          kubectl rollout restart deployment/evrak-frontend \
            --kubeconfig=/tmp/kubeconfig.yaml -n default