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）
      # ========================================
      - name: Free disk space
        run: |
          echo "🧹 Cleaning up disk space..."
          df -h

          # 移除不需要的預裝軟體
          sudo rm -rf /usr/share/dotnet || true
          sudo rm -rf /usr/local/lib/android || true
          sudo rm -rf /opt/ghc || true
          sudo rm -rf /opt/hostedtoolcache/CodeQL || true
          sudo rm -rf /usr/local/share/boost || true
          sudo rm -rf /usr/share/swift || true
          sudo rm -rf /opt/hostedtoolcache || true

          # 清理 apt cache
          sudo apt-get clean || true
          sudo apt-get autoremove -y || true

          # 清理 Docker 舊資料
          docker system prune -af --volumes || true

          echo "✅ After cleanup:"
          df -h

      - 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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

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

      - 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
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - 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 }}