name: Generate Snake

on:
  schedule:
    - cron: "0 */12 * * *"   # 每 12 小时更新一次
  workflow_dispatch:          # 支持手动触发

  # 说明：不使用 push 触发，避免本工作流提交后自我循环触发

permissions:
  contents: write

jobs:
  generate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # 生成贡献蛇（浅色 + 深色两版，自动适配主题）
      - name: Generate snake SVG
        uses: Platane/snk/svg-only@v3
        with:
          github_user_name: ${{ github.repository_owner }}
          outputs: |
            profile/snake.svg
            profile/snake-dark.svg?palette=github-dark

      # 提交生成的蛇到仓库（与 stats.yml 保持同样的提交模式）
      - name: Commit snake
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add profile/snake.svg profile/snake-dark.svg
          git commit -m "Update snake" || exit 0
          git push