name: Build and Push Docker Image

on: 
  push:
    branches:
      - master
      - main
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      build_type:
        description: 'Build type (community or plus)'
        required: false
        default: 'community'
        type: choice
        options:
          - community
          - plus

env:
  REGISTRY_HOST: 172.24.0.10:3000
  EXTERNAL_REGISTRY: 192.168.10.100:3000
  DOCKER_BUILDKIT: 1

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-options: |
            image=moby/buildkit:latest
            network=host

      - name: Extract version and metadata
        id: meta
        run: |
          # 取得 git tag 或 branch 名稱
          if [[ ${{ github.ref }} == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          else
            VERSION=${{ github.ref_name }}-$(git rev-parse --short HEAD)
          fi
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          
          # 轉換為小寫的 image name
          IMAGE_NAME=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
          echo "image_name=${IMAGE_NAME}" >> $GITHUB_OUTPUT
          
          # 判斷編譯類型
          BUILD_TYPE=${{ inputs.build_type || 'community' }}
          echo "build_type=${BUILD_TYPE}" >> $GITHUB_OUTPUT
          
          echo "=== 構建信息 ==="
          echo "版本: ${VERSION}"
          echo "映像: ${IMAGE_NAME}"
          echo "構建類型: ${BUILD_TYPE}"

      - name: Debug Network Connectivity
        run: |
          echo "測試內部 Registry 連接..."
          ping -c 3 172.24.0.10 || true
          timeout 5 bash -c 'cat < /dev/null > /dev/tcp/172.24.0.10/3000' && echo "✓ Registry 可達" || echo "✗ Registry 不可達"

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Build and push (single architecture)
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:${{ steps.meta.outputs.version }}
            ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:latest
          build-args: |
            VERSION=${{ steps.meta.outputs.version }}
            BUILD_TYPE=${{ steps.meta.outputs.build_type }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Display push results
        run: |
          echo ""
          echo "✓ 編譯完成！"
          echo ""
          echo "=== 內部訪問 (Docker 容器內) ==="
          echo "  docker pull ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:${{ steps.meta.outputs.version }}"
          echo "  docker pull ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:latest"
          echo ""
          echo "=== 外部訪問 (Portainer/本地機器) ==="
          echo "  docker pull ${{ env.EXTERNAL_REGISTRY }}/${{ steps.meta.outputs.image_name }}:${{ steps.meta.outputs.version }}"
          echo "  docker pull ${{ env.EXTERNAL_REGISTRY }}/${{ steps.meta.outputs.image_name }}:latest"
          echo ""
          echo "映像名稱: ${{ steps.meta.outputs.image_name }}"
          echo "版本標籤: ${{ steps.meta.outputs.version }}"
          echo "構建類型: ${{ steps.meta.outputs.build_type }}"

  # 可選：如果您想支持多架構編譯（需要有合適的 runner）
  build-multiarch:
    runs-on: ubuntu-latest
    if: contains(github.ref, 'tags/v') # 只在發佈版本時執行
    permissions:
      contents: read
    
    strategy:
      matrix:
        include:
          - arch: amd64
            platform: linux/amd64
          - arch: arm64
            platform: linux/arm64
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-options: image=moby/buildkit:latest,network=host

      - name: Extract version and metadata
        id: meta
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          IMAGE_NAME=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "image_name=${IMAGE_NAME}" >> $GITHUB_OUTPUT

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Build for ${{ matrix.arch }}
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: ${{ matrix.platform }}
          push: true
          tags: |
            ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:${{ steps.meta.outputs.version }}-${{ matrix.arch }}
          build-args: |
            VERSION=${{ steps.meta.outputs.version }}
            TARGETARCH=${{ matrix.arch }}

      - name: Save architecture info
        run: |
          echo "✓ 編譯完成: ${{ matrix.arch }}"
          echo "映像: ${{ env.REGISTRY_HOST }}/${{ steps.meta.outputs.image_name }}:${{ steps.meta.outputs.version }}-${{ matrix.arch }}"