name: CI/CD Pipeline

on:
  push:
    branches: [main]

env:
  REGISTRY: git.fpmoz.sum.ba
  IMAGE_NAME: blazp04/distribuirani

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout koda
        uses: actions/checkout@v4

      - name: Postavi Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Prijava na Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Generiraj tagove za image
        id: meta
        run: |
          SHORT_SHA=$(echo "${{ gitea.sha }}" | cut -c1-7)
          echo "short_sha=${SHORT_SHA}" >> "$GITHUB_OUTPUT"
          echo "tags=${REGISTRY}/${IMAGE_NAME}:${SHORT_SHA},${REGISTRY}/${IMAGE_NAME}:latest" >> "$GITHUB_OUTPUT"

      - name: Build i push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          cache-to: type=inline

      - name: Ažuriraj image tag u deployment manifestu
        run: |
          SHORT_SHA=${{ steps.meta.outputs.short_sha }}
          sed -i "s|image: ${REGISTRY}/${IMAGE_NAME}:.*|image: ${REGISTRY}/${IMAGE_NAME}:${SHORT_SHA}|" k8s/distribuirani/deployment.yaml
          cat k8s/distribuirani/deployment.yaml

      - name: Commit i push ažuriranog manifesta
        run: |
          git config user.name "Gitea Actions"
          git config user.email "actions@git.fpmoz.sum.ba"
          git add k8s/distribuirani/deployment.yaml
          git diff --cached --quiet && echo "Nema promjena" || (git commit -m "ci: update image tag to ${{ steps.meta.outputs.short_sha }} [skip ci]" && git push)