name: Release

on:
  push:
    tags:
      - "v*.*.*"
  # 允許手動觸發
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to release (e.g., v0.1.6)"
        required: true
        type: string

env:
  DOCKER_IMAGE: convertx/convertx-cn

jobs:
  # ==============================================================================
  # 🐳 Build and Push Docker Image（關鍵流程）
  # ==============================================================================
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

      # ========================================
      # 清理磁碟空間（解決 no space left on device）
      # ========================================
      # 🔥 GitHub Actions Runner 只有約 14GB 可用空間
      #    大型模型 + Multi-Arch build 需要清理更多預裝軟體
      # ========================================
      - name: Free disk space (aggressive)
        run: |
          echo "🧹 Aggressive disk cleanup for large model builds..."
          echo "========================================"
          echo "📊 初始磁碟空間："
          df -h /
          echo "========================================"

          # ========================================
          # 移除大型預裝軟體（約可釋放 30-40GB）
          # ========================================
          echo "🗑️ 移除預裝開發工具..."

          # .NET SDK（約 2-3GB）
          sudo rm -rf /usr/share/dotnet || true

          # Android SDK（約 10-15GB）- 最大宗！
          sudo rm -rf /usr/local/lib/android || true

          # Haskell/GHC（約 1GB）
          sudo rm -rf /opt/ghc || true

          # CodeQL（約 1GB）
          sudo rm -rf /opt/hostedtoolcache/CodeQL || true

          # Boost（約 500MB）
          sudo rm -rf /usr/local/share/boost || true

          # Swift（約 1.5GB）
          sudo rm -rf /usr/share/swift || true

          # Hosted Tool Cache（約 5-8GB）
          sudo rm -rf /opt/hostedtoolcache || true

          # Azure CLI（約 500MB）
          sudo rm -rf /usr/share/az_* || true
          sudo rm -rf /opt/az || true

          # Google Cloud SDK（約 500MB）
          sudo rm -rf /usr/lib/google-cloud-sdk || true

          # PowerShell（約 200MB）
          sudo rm -rf /usr/local/share/powershell || true

          # Miniconda（約 500MB）
          sudo rm -rf /usr/share/miniconda || true

          # ========================================
          # 清理系統 cache
          # ========================================
          echo "🗑️ 清理系統 cache..."

          # apt cache
          sudo apt-get clean || true
          sudo apt-get autoremove -y || true
          sudo rm -rf /var/lib/apt/lists/* || true

          # npm/yarn global cache
          sudo rm -rf /usr/local/share/.cache || true

          # ========================================
          # 清理 Docker 舊資料
          # ========================================
          echo "🗑️ 清理 Docker cache..."
          docker system prune -af --volumes || true

          # 清理 BuildKit cache
          sudo rm -rf /var/lib/docker/buildkit || true

          echo "========================================"
          echo "📊 清理後磁碟空間："
          df -h /
          echo "========================================"

      - name: Get tag name
        id: tag
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            echo "version=${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
          else
            echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      # ========================================
      # 設定 Docker Buildx（針對大型模型優化）
      # ========================================
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          # 🔥 使用 docker-container driver 以獲得更好的 cache 控制
          driver-opts: |
            image=moby/buildkit:latest
            network=host

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

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

      # ========================================
      # Build and Push（針對大型模型優化）
      # ========================================
      # 🔥 注意事項：
      #   - 使用 registry cache 而非 GHA cache（避免 10GB 限制）
      #   - 啟用 zstd compression 減少傳輸量和儲存空間
      #   - Multi-arch build 需要更多磁碟空間，已在上方清理
      # ========================================
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: |
            ${{ env.DOCKER_IMAGE }}:${{ steps.tag.outputs.version }}
            ${{ env.DOCKER_IMAGE }}:latest
          platforms: linux/amd64,linux/arm64
          # 🔥 使用 registry cache 取代 GHA cache
          # registry cache 沒有 10GB 限制，更適合大型模型
          cache-from: type=registry,ref=${{ env.DOCKER_IMAGE }}:buildcache
          cache-to: type=registry,ref=${{ env.DOCKER_IMAGE }}:buildcache,mode=max,compression=zstd
          # 啟用壓縮減少 image 大小
          outputs: type=image,compression=zstd,compression-level=3
          # 設定 build 參數
          build-args: |
            BUILDKIT_INLINE_CACHE=1

      - name: Docker Build Summary
        run: |
          echo "## 🐳 Docker Image Published" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Repository:** \`${{ env.DOCKER_IMAGE }}\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Tags:**" >> $GITHUB_STEP_SUMMARY
          echo "- \`${{ env.DOCKER_IMAGE }}:${{ steps.tag.outputs.version }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- \`${{ env.DOCKER_IMAGE }}:latest\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Platforms:** linux/amd64, linux/arm64" >> $GITHUB_STEP_SUMMARY

  # ==============================================================================
  # 📦 Create GitHub Release
  # ==============================================================================
  create-release:
    runs-on: ubuntu-latest
    needs: build-and-push
    permissions:
      contents: write

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

      - name: Get tag name
        id: tag
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            echo "version=${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
          else
            echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          fi

      - name: Generate changelog
        id: changelog
        run: |
          # Get previous tag
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          if [ -z "$PREVIOUS_TAG" ]; then
            # No previous tag, get all commits
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" HEAD)
          else
            # Get commits between previous tag and current
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" ${PREVIOUS_TAG}..HEAD)
          fi

          # Write to file to preserve newlines
          echo "$CHANGELOG" > changelog.txt

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ steps.tag.outputs.version }}
          tag_name: ${{ steps.tag.outputs.version }}
          body_path: changelog.txt
          generate_release_notes: true
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}