name: Build and Push to GHCR & ACR
# 此工作流仅在推送标签 (v*) 时触发，用于构建和推送 Docker 镜像

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      # 设置 Docker Buildx（支持多架构构建）
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # 设置 QEMU（用于模拟不同架构）
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      # 检查 ACR 是否启用
      - name: Check if ACR registry is set
        id: check-acr
        run: |
          if [ -n "${{ secrets.ACR_REGISTRY }}" ]; then
            echo "acr_enabled=true" >> $GITHUB_OUTPUT
          else
            echo "acr_enabled=false" >> $GITHUB_OUTPUT
          fi

      # 登录 ACR（仅在启用时）
      - name: Log in to Aliyun ACR
        if: steps.check-acr.outputs.acr_enabled == 'true'
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.ACR_REGISTRY }}
          username: ${{ secrets.ACR_USERNAME }}
          password: ${{ secrets.ACR_PASSWORD }}

      # 登录 GitHub Container Registry
      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # 获取仓库所有者小写形式
      - name: Get lowercase repository owner
        id: lowercase
        run: echo "repository_owner_lowercase=$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      # 准备镜像 tag（包括 latest 和版本 tag）
      - name: Prepare tags
        id: tags
        run: |
          REPO_LOWERCASE="ghcr.io/${{ steps.lowercase.outputs.repository_owner_lowercase }}/open-web-search"
          VERSION_TAG="${GITHUB_REF##*/}"
          TAGS="${REPO_LOWERCASE}:latest,${REPO_LOWERCASE}:${VERSION_TAG}"

          if [ "${{ steps.check-acr.outputs.acr_enabled }}" == "true" ] && [ -n "${{ secrets.ACR_IMAGE_NAME }}" ]; then
            ACR_REPO="${{ secrets.ACR_REGISTRY }}/${{ secrets.ACR_IMAGE_NAME }}"
            TAGS="${TAGS},${ACR_REPO}:latest,${ACR_REPO}:${VERSION_TAG}"
          fi

          # 输出 tags 结果
          echo "tags<<EOF" >> $GITHUB_OUTPUT
          echo "$TAGS" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      # 构建并推送多架构镜像
      - name: Build and Push Multi-Platform Docker Image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64  # 🎯 这里添加了多平台支持
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max