name: build release nocturne image
on:
  push:
    branches:
      - release

env:
  REGISTRY: cr.lmt.moe
  TAG: release
  PROJECT: nocturne


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

      - name: setup builder
        uses: docker/setup-buildx-action@v3

      - name: registry login
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: build containers
        run: |
          make build

      - name: tag and push
        run: |
          PROJECT_NAME=$(basename "$PWD")

          ALL_IMAGES=$(docker compose -f prod.compose.yaml config --services 2>/dev/null)
          PULLED_IMAGES=$(docker compose -f prod.compose.yaml config 2>/dev/null \
                          | awk '/image:/ {print $2}' \
                          | sort -u \
                          | sed 's/:.*//' \
          )
          TO_PUSH=$(comm -23 \
            <(echo "$ALL_IMAGES" | sort) \
            <(echo "$PULLED_IMAGES") \
          )
          
          FMT_STRING=$(echo "$TO_PUSH" | xargs printf '%s, ' | sed 's/, $//')
          echo "services to push: $FMT_STRING"
          
          for SERVICE in $TO_PUSH; do
            LOCAL_TAG="${PROJECT_NAME}-${SERVICE}:latest"
            REMOTE_TAG="${REGISTRY}/${PROJECT}/${SERVICE}:${TAG}"
          
            if docker image inspect "$LOCAL_TAG" >/dev/null 2>&1; then
              echo "Pushing $REMOTE_TAG"
              docker tag "$LOCAL_TAG" "$REMOTE_TAG"
              docker push "$REMOTE_TAG"
            else
              echo "warn: image $LOCAL_TAG not found, skipping $SERVICE"
            fi
          
          done