name: 🐳 Build and Push Docker Image (AMD64)

on:
  # 手动触发
  workflow_dispatch:
    inputs:
      version:
        description: '版本号 (例如: v1.0.5)'
        required: true
        default: 'v1.0.5'
        type: string
      push_to_hub:
        description: '推送到 Docker Hub'
        required: true
        default: true
        type: boolean

  # 推送标签时触发
  push:
    tags:
      - 'v*.*.*'

  # PR 时构建测试（不推送）
  pull_request:
    branches: [ main ]

env:
  REGISTRY: docker.io
  IMAGE_NAME: matrixseven/file-transfer-go

jobs:
  build:
    name: 🏗️ Build & Push Docker Image
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: 📥 Checkout code
        uses: actions/checkout@v4


      - name: 🏷️ Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=${{ inputs.version }},enable=${{ github.event_name == 'workflow_dispatch' }}

      - name: 🔧 Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: |
            network=host
          buildkitd-flags: |
            --allow-insecure-entitlement=network.host

      - name: 🔑 Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: 🏗️ Set build platform
        id: platforms
        run: |
          echo "platforms=linux/amd64" >> $GITHUB_OUTPUT

      - name: 🐳 Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: ${{ steps.platforms.outputs.platforms }}
          push: ${{ github.event_name != 'pull_request' && (github.event_name != 'workflow_dispatch' || inputs.push_to_hub == true) }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILDKIT_INLINE_CACHE=1
          provenance: false
          sbom: false

      - name: 📊 Image digest
        if: github.event_name != 'pull_request'
        run: echo ${{ steps.build.outputs.digest }}

      - name: 🎉 Build Summary
        if: always()
        run: |
          echo "## 🐳 Docker Build Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### 📦 Image Details" >> $GITHUB_STEP_SUMMARY
          echo "- **Registry**: ${{ env.REGISTRY }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Image**: ${{ env.IMAGE_NAME }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Tags**: ${{ steps.meta.outputs.tags }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Platforms**: ${{ steps.platforms.outputs.platforms }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### 🚀 Usage" >> $GITHUB_STEP_SUMMARY
          echo '```bash' >> $GITHUB_STEP_SUMMARY
          echo "docker run -d -p 8080:8080 ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.version || 'latest' }}" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

  security-scan:
    name: 🔍 Security Scan
    runs-on: ubuntu-latest
    needs: build
    if: github.event_name != 'pull_request'

    steps:
      - name: 📥 Checkout code
        uses: actions/checkout@v4

      - name: 🔍 Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest'
          format: 'sarif'
          output: 'trivy-results.sarif'

      - name: 📤 Upload Trivy scan results
        uses: github/codeql-action/upload-sarif@v3
        if: always()
        with:
          sarif_file: 'trivy-results.sarif'