name: Sync Assets to Private B Repo
on:
  push:
    branches: [ main ]
  workflow_dispatch:  # 支持手动触发

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      # 步骤1：拉取 A 仓库代码（完整历史，确保所有文件可访问）
      - name: Checkout A Repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # 拉取完整历史，避免浅克隆导致文件缺失

      # 步骤2：准备同步文件（校验源目录并复制）
      - name: Prepare files for B Repo
        run: |
          # 创建临时目录存放待同步文件
          mkdir -p temp-b-repo/out/assets
          
          # 校验源资产目录是否存在
          if [ -d "common/data/xml/assets" ]; then
            echo "Found assets directory, starting copy..."
            # 复制所有文件（包括隐藏文件）到临时目录
            cp -rv common/data/xml/assets/* common/data/xml/assets/.* temp-b-repo/out/assets/ 2>/dev/null || true
            echo "Files copied to temp directory:"
            ls -la temp-b-repo/out/assets  # 输出文件列表用于调试
          else
            echo "Error: common/data/xml/assets directory not found!" && exit 1
          fi

      # 步骤3：推送到私有 B 仓库（优化克隆逻辑和错误处理）
      - name: Push to Private B Repo
        env:
          B_REPO_TOKEN: ${{ secrets.B_REPO_TOKEN }}
          B_REPO_URL: https://github.com/TO-teams/flash.git
          B_BRANCH: main
        run: |
          # 配置 Git 身份
          git config --global user.name "GitHub Actions"
          git config --global user.email "actions@github.com"
          
          # 清理旧目录（若存在），确保环境干净
          rm -rf b-repo
          
          # 克隆 B 仓库（带错误捕获）
          echo "Cloning B repo..."
          git clone https://$B_REPO_TOKEN@${B_REPO_URL#https://} b-repo || { 
            echo "Failed to clone B repository!"; 
            exit 1; 
          }
          
          # 进入 B 仓库目录并同步最新代码
          cd b-repo
          echo "Checking out branch $B_BRANCH..."
          git checkout $B_BRANCH || { 
            echo "Failed to checkout branch $B_BRANCH!"; 
            exit 1; 
          }
          
          echo "Pulling latest changes from $B_BRANCH..."
          git pull origin $B_BRANCH || { 
            echo "Failed to pull latest changes!"; 
            exit 1; 
          }
          
          # 确保目标目录存在
          mkdir -p out/assets
          
          # 复制临时目录的文件到 B 仓库（包括隐藏文件）
          echo "Copying assets to B repo..."
          cp -rv ../temp-b-repo/out/assets/* ../temp-b-repo/out/assets/.* out/assets/ 2>/dev/null || true
          echo "Files in B repo target directory after copy:"
          ls -la out/assets  # 输出目标目录文件列表用于调试
          
          # 检查是否有变更（仅关注 out/assets 目录）
          if git diff --quiet -- out/assets; then
            echo "No changes to sync to B repo. Exiting."
          else
            # 提交并推送变更
            echo "Detected changes, pushing to B repo..."
            git add out/assets
            git commit -m "Sync assets: $(date +'%Y-%m-%d %H:%M:%S')"
            git push origin $B_BRANCH || { 
              echo "Failed to push changes to B repo!"; 
              exit 1; 
            }
            echo "Sync completed successfully."
          fi