name: Star history

# 按周更新仓库内的 SVG；也可手动刷新。
on:
  schedule:
    # 每周一 03:17 UTC（北京时间 11:17）。错开整点，避开 GitHub 的调度高峰。
    - cron: '17 3 * * 1'
  workflow_dispatch:

permissions:
  contents: write

concurrency:
  group: star-history
  cancel-in-progress: false

jobs:
  chart:
    name: 刷新 star history 曲线
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@v4

      - name: 生成 SVG
        env:
          GITHUB_TOKEN: ${{ secrets.STAR_HISTORY_TOKEN || secrets.GITHUB_TOKEN }}
          STAR_REPO: ${{ github.repository }}
        run: python3 tools/gen-star-history.py

      - name: 有变化才提交
        run: |
          set -euo pipefail
          git config user.name  'github-actions[bot]'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git add docs/star-history.svg docs/star-history-dark.svg docs/star-history.json
          if git diff --cached --quiet; then
            echo "曲线没变化，不提交"
            exit 0
          fi
          STARS=$(python3 -c "import json;print(json.load(open('docs/star-history.json'))['total'])")
          git commit -m "chore(star-history): 刷新曲线（${STARS} stars，自动提交）"
          git push