name: Create and push Docker manifests

on:
  workflow_call:

jobs:
  Run:
    name: Create and push Docker manifests
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write
    env:
      CGO_ENABLED: 0
    steps:
      - name: Enable experimental Docker features
        run: |
          mkdir -p ~/.docker/ && \
          echo '{"experimental": "enabled"}' > ~/.docker/config.json

      - name: Create and push Docker manifests
        env:
          DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USERNAME }}
          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
          GHCR_USER: ${{ secrets.BOT_USERNAME }}
          GHCR_TOKEN: ${{ secrets.BOT_GHCR_PAT }}
        run: |
          # Login to Docker Hub and GHCR (redundant but ensures manifest push works)
          echo "$DOCKERHUB_TOKEN" | docker login -u "$DOCKERHUB_USER" --password-stdin
          echo "$GHCR_TOKEN" | docker login ghcr.io -u "$GHCR_USER" --password-stdin

          # Get the tag without the 'v' prefix
          TAG="${GITHUB_REF_NAME#v}"

          # Architectures to include in manifests
          ARCHES=("amd64" "i386" "armhf" "arm64v8")

          # Function to create and push manifests
          create_and_push_manifest() {
            local repo="$1"
            local tag="$2"
            local manifest="${repo}:${tag}"
            local images=()

            # Collect images for the manifest
            for arch in "${ARCHES[@]}"; do
              images+=("${repo}:${arch}-${tag}")
            done

            # Create the manifest
            docker manifest create "$manifest" "${images[@]}"

            # Push the manifest
            docker manifest push "$manifest"
          }

          # Create and push manifests for Docker Hub
          create_and_push_manifest "nickfedor/shoutrrr" "latest"
          create_and_push_manifest "nickfedor/shoutrrr" "$TAG"

          # Create and push manifests for GHCR
          create_and_push_manifest "ghcr.io/nicholas-fedor/shoutrrr" "latest"
          create_and_push_manifest "ghcr.io/nicholas-fedor/shoutrrr" "$TAG"