name: Build-Publish-Multi-Arch
run-name: Build and publish multi-architecture Docker images

on: [push]

defaults:
  run:
    shell: bash

jobs:
  build:
    strategy:
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
    runs-on: ${{ matrix.platform }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Login to Gitea
        uses: docker/login-action@v3
        with:
          registry: gitea.jde.nz
          username: DoesntMatter
          password: ${{ secrets.DOCKER_PUSH_TOKEN }}

      - name: Build Images
        run: |
          ./build.sh

      - name: Publish as Architecture-Specific
        run: |
          # Only publish on main branch
          if [ "$GITHUB_REF" = "refs/heads/main" ]; then
            DOCKER_PUSH_TOKEN=${{ secrets.DOCKER_PUSH_TOKEN }} \
            ./publish.sh
          fi

  create-manifest:
    needs: [build]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Login to Gitea
        uses: docker/login-action@v3
        with:
          registry: gitea.jde.nz
          username: DoesntMatter
          password: ${{ secrets.DOCKER_PUSH_TOKEN }}

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y jq

      - name: Create and push manifest lists
        run: |
          # Only create manifest on main branch
          if [ "$GITHUB_REF" = "refs/heads/main" ]; then
            # Get list of all Dockerfile.* files to determine image names
            for dockerfile in Dockerfile.*; do
              image_name="${dockerfile//Dockerfile./}"

              echo "Creating manifest for ${image_name}..."

              # Remove any existing manifest to ensure we create a fresh one
              docker manifest rm gitea.jde.nz/public/${image_name}:latest 2>/dev/null || true

              # Create the manifest list using the architecture-specific images
              # Note: publish.sh uses uname -m which gives x86_64 and aarch64
              docker manifest create gitea.jde.nz/public/${image_name}:latest \
                --amend gitea.jde.nz/public/${image_name}:latest-x86_64 \
                --amend gitea.jde.nz/public/${image_name}:latest-aarch64

              # Annotate the manifests with the correct architecture
              docker manifest annotate gitea.jde.nz/public/${image_name}:latest \
                gitea.jde.nz/public/${image_name}:latest-x86_64 --arch amd64

              docker manifest annotate gitea.jde.nz/public/${image_name}:latest \
                gitea.jde.nz/public/${image_name}:latest-aarch64 --arch arm64

              # Push the manifest list
              docker manifest push gitea.jde.nz/public/${image_name}:latest

              echo "Manifest list for ${image_name} created and pushed successfully"
            done

            echo "All manifest lists created and pushed successfully"
          fi