name: Release Backend Image

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (e.g., v1.0.0)'
        required: true
        type: string

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

jobs:
  test-and-build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.23'

    - name: Cache Go modules
      uses: actions/cache@v3
      with:
        path: |
          ~/.cache/go-build
          ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('backend/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    - name: Run tests
      run: |
        cd backend
        go mod tidy
        go mod verify
        go test -v ./...
        go build -ldflags="-s -w" -o license-manager cmd/main.go

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

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

    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=raw,value=latest
          type=raw,value=${{ github.event.inputs.version }}

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        file: ./Dockerfile.backend
        platforms: linux/amd64,linux/arm64
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Generate summary
      run: |
        echo "## 🚀 Backend Release Successful!" >> $GITHUB_STEP_SUMMARY
        echo "**Version:** ${{ github.event.inputs.version }}" >> $GITHUB_STEP_SUMMARY
        echo "**Image:** ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}" >> $GITHUB_STEP_SUMMARY
        echo "**Tags:**" >> $GITHUB_STEP_SUMMARY
        echo "- ${{ github.event.inputs.version }}" >> $GITHUB_STEP_SUMMARY
        echo "- latest" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "### Usage:" >> $GITHUB_STEP_SUMMARY
        echo '```bash' >> $GITHUB_STEP_SUMMARY
        echo "docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.version }}" >> $GITHUB_STEP_SUMMARY
        echo '```' >> $GITHUB_STEP_SUMMARY