name: CI/CD Pipeline popravak

on:
  push:
    branches: [main]

env:
  REGISTRY: git.fpmoz.sum.ba
  IMAGE: git.fpmoz.sum.ba/${{ github.repository }}

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

      - name: Login u Gitea registry
        run: |
          echo ${{ secrets.REGISTRY_PASS }} | \
            docker login git.fpmoz.sum.ba \
            -u ${{ secrets.REGISTRY_USER }} --password-stdin

      - name: Build i Push image
        run: |
          TAG=${{ github.sha }}
          docker build -t $IMAGE:$TAG -t $IMAGE:latest .
          docker push $IMAGE:$TAG
          docker push $IMAGE:latest
          echo $TAG > tag.txt

      - name: Spremi image tag
        uses: actions/upload-artifact@v3
        with:
          name: image-tag
          path: tag.txt

  deploy:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout koda
        uses: actions/checkout@v3

      - name: Preuzmi image tag
        uses: actions/download-artifact@v3
        with:
          name: image-tag

      - name: Instaliraj kubectl
        uses: azure/setup-kubectl@v3
        with:
          version: 'latest' 
      - name: Postavi kubeconfig
        run: |
          # 1. Uzimamo tvoj plavi kod i pretvaramo ga nazad u pravu datoteku
          echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > kubeconfig
          chmod 600 kubeconfig

      - name: Update image tag u manifestu
        run: |
          TAG=$(cat tag.txt)
          IMAGE="ghcr.io/sz11zs/hello-cicd"
          sed -i "s|image:.*|image: $IMAGE:$TAG|" k8s/deployment.yaml 
      - name: Deploy na k3s
        run: |
          # 2. DODATAK: Prisiljavamo kubectl da gleda baš tu datoteku, a ne 127.0.0.1
          export KUBECONFIG=$GITHUB_WORKSPACE/kubeconfig
          kubectl apply -f k8s/ --validate=false
          kubectl rollout status deployment/hello-cicd -n student-sz11zs --timeout=120s