name: Build and Push Images

on:
  push:
    branches:
      - main

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

      - name: Login to Gitea Registry
        run: |
          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login ${{ secrets.REGISTRY_HOST }} \
            -u ${{ secrets.REGISTRY_USER }} --password-stdin

      - name: Build & Push Backend
        run: |
          IMAGE=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-backend:${{ github.sha }}
          IMAGE_LATEST=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-backend:latest
          docker build -t $IMAGE -t $IMAGE_LATEST ./backend/
          docker push $IMAGE
          docker push $IMAGE_LATEST

      - name: Build & Push Frontend
        run: |
          IMAGE=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-frontend:${{ github.sha }}
          IMAGE_LATEST=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-frontend:latest
          docker build -t $IMAGE -t $IMAGE_LATEST ./frontend/
          docker push $IMAGE
          docker push $IMAGE_LATEST

      - name: Update K8s image tags
        run: |
          BACKEND_IMAGE=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-backend:${{ github.sha }}
          FRONTEND_IMAGE=${{ secrets.REGISTRY_HOST }}/${{ secrets.REGISTRY_USER }}/portal-frontend:${{ github.sha }}

          sed -i "s|image: .*portal-backend.*|image: ${BACKEND_IMAGE}|g" k8s/04-backend.yaml
          sed -i "s|image: .*portal-frontend.*|image: ${FRONTEND_IMAGE}|g" k8s/05-frontend.yaml

      - name: Commit updated yaml
        run: |
          git config user.name "gitea-actions"
          git config user.email "actions@gitea"
          git add k8s/04-backend.yaml k8s/05-frontend.yaml
          git diff --staged --quiet || git commit -m "ci: update image tags to ${{ github.sha }}"
          git push