name: Build and Push Docker Image

on:
  push:
    branches:
      - main
      - master
      - dev
    tags:
      - 'v*'
  workflow_dispatch:

env:
  REGISTRY: code.littlelan.cn
  IMAGE_NAME: carrotskin/backend

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    container:
      image: quay.io/buildah/stable:latest
      options: --privileged
    
    steps:
      - name: Install dependencies
        run: |
          dnf install -y git nodejs

      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Login to registry
        run: |
          buildah login \
            -u "${{ secrets.REGISTRY_USERNAME }}" \
            -p "${{ secrets.REGISTRY_PASSWORD }}" \
            ${{ env.REGISTRY }}
          echo "Registry 登录成功"

      - name: Build image
        run: |
          buildah bud \
            --format docker \
            --layers \
            -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:build \
            -f Dockerfile \
            .
          echo "镜像构建完成"

      - name: Tag and push image
        run: |
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          REF_NAME="${{ github.ref_name }}"
          REF="${{ github.ref }}"
          
          # 推送分支/标签名
          buildah tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:build \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${REF_NAME}
          buildah push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${REF_NAME}
          echo "✓ 推送: ${REF_NAME}"
          
          # 推送 SHA 标签
          buildah tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:build \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:sha-${SHORT_SHA}
          buildah push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:sha-${SHORT_SHA}
          echo "✓ 推送: sha-${SHORT_SHA}"
          
          # main/master 推送 latest
          if [ "$REF" = "refs/heads/main" ] || [ "$REF" = "refs/heads/master" ]; then
            buildah tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:build \
              ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
            buildah push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
            echo "✓ 推送: latest"
          fi

      - name: Build summary
        run: |
          echo "=============================="
          echo "✅ 镜像构建完成!"
          echo "仓库: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
          echo "分支: ${{ github.ref_name }}"
          echo "=============================="