name: Update Star History Chart

on:
  schedule:
    # Daily at 06:00 UTC (03:00 BRT)
    - cron: '0 6 * * *'
  workflow_dispatch:

permissions:
  contents: write

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

jobs:
  update:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          token: ${{ secrets.STAR_HISTORY_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v7
        with:
          python-version: '3.12'

      - name: Install deps
        run: pip install --no-cache-dir requests matplotlib

      - name: Generate SVG
        env:
          GH_TOKEN: ${{ secrets.STAR_HISTORY_TOKEN }}
          STAR_HISTORY_REPO: ${{ github.repository }}
        run: python .github/scripts/generate_star_history.py

      - name: Commit and push if changed
        run: |
          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
          if git diff --staged --quiet; then
            echo "No changes to commit."
          else
            git commit -m "chore(docs): update star history chart"
            git push
          fi