name: Generate README based on repo name and commits

on:
  push:
    branches:
      - main  # 可根据实际情况修改为你的默认分支

jobs:
  generate-readme:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0  # 获取完整的提交历史

      - name: Get repository name
        id: repo-name
        run: |
          REPO_NAME=$(echo ${{ github.repository }} | cut -d '/' -f 2)
          echo "::set-output name=name::$REPO_NAME"

      - name: Get recent commits
        id: recent-commits
        run: |
          COMMITS=$(git log --pretty=format:"- %s (%an, %ad)" --date=short -n 5)
          echo "::set-output name=commits::$COMMITS"

      - name: Generate README
        run: |
          cat << EOF > README.md
          # ${{ steps.repo-name.outputs.name }}

          ## Recent Commits
          ${{ steps.recent-commits.outputs.commits }}
          EOF

      - name: Commit and push changes
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add README.md
          if git diff --staged --quiet; then
            echo "No changes to README.md. Skipping commit."
          else
            git commit -m "Update README with recent commits"
            git push
          fi