name: Build Plugin Server Image and Push

on:
  push:
    tags:
      - "v*.*.*"
  workflow_dispatch:
    inputs:
      plugin_server_ref:
        description: "plugin-server repo ref (branch/tag/commit, default: main)"
        required: false
        default: "main"
        type: string
      version:
        description: "Version tag (optional, without leading v)"
        required: false
        type: string

jobs:
  build-plugin-server-image:
    runs-on: ubuntu-latest
    environment:
      name: image-registry-plugin-server
    env:
      IMAGE_REGISTRY: ${{ vars.IMAGE_REGISTRY || 'higress-registry.cn-hangzhou.cr.aliyuncs.com' }}
      IMAGE_NAME: ${{ vars.PLUGIN_SERVER_IMAGE_NAME || 'higress/plugin-server' }}
    steps:
      - name: "Clone plugin-server repository"
        uses: actions/checkout@v4
        with:
          repository: higress-group/plugin-server
          ref: ${{ github.event.inputs.plugin_server_ref || 'main' }}
          path: plugin-server
          fetch-depth: 1

      - name: Free Up GitHub Actions Ubuntu Runner Disk Space
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: false
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          swap-storage: true

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          image: tonistiigi/binfmt:qemu-v7.0.0

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

      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-plugin-server-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-plugin-server-

      - name: Determine version
        id: version
        run: |
          if [[ "${{ github.event_name }}" == "workflow_dispatch" && -n "${{ github.event.inputs.version }}" ]]; then
            echo "manual_version=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
          fi

      - name: Calculate Docker metadata
        id: docker-meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha
            type=ref,event=tag
            type=semver,pattern={{version}}
            type=raw,value=${{ steps.version.outputs.manual_version }},enable=${{ steps.version.outputs.manual_version != '' }}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Login to Docker Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.IMAGE_REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build Docker Image and Push
        run: |
          BUILT_IMAGE=""
          readarray -t IMAGES <<< "${{ steps.docker-meta.outputs.tags }}"
          for image in "${IMAGES[@]}"; do
            echo "Image: $image"
            if [ "$BUILT_IMAGE" == "" ]; then
              docker buildx build \
                  --platform linux/amd64,linux/arm64 \
                  -t "$image" \
                  -f plugin-server/Dockerfile \
                  --push \
                  plugin-server
              BUILT_IMAGE="$image"
            else
              docker buildx imagetools create "$BUILT_IMAGE" --tag "$image"
            fi
          done