name: Docker Image

on:
  push:
    branches:
      - main
    tags:
      - "v*"
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  publish-mcp:
    needs: build-and-push
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install MCP Publisher
        run: |
          curl -L "https://github.com/modelcontextprotocol/registry/releases/latest/download/mcp-publisher_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz" \
            | tar xz mcp-publisher
          chmod +x mcp-publisher

      - name: Prepare server manifest
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          IMAGE_REPO=$(echo "${GITHUB_REPOSITORY}" | tr '[:upper:]' '[:lower:]')
          IMAGE="ghcr.io/${IMAGE_REPO}:$VERSION"
          jq --arg v "$VERSION" --arg image "$IMAGE" '
            .version = $v
            | .packages = (.packages // [] | map(
                if .registryType == "oci" then
                  (.identifier = $image)
                else .
                end
                | (if has("version") then .version = $v else . end)
              ))
          ' server.json > server.publish.json
          mv server.publish.json server.json

      - name: Login to MCP Registry
        run: ./mcp-publisher login github-oidc

      - name: Publish to MCP Registry
        run: ./mcp-publisher publish