update_problems.yml

# .github/workflows/update_problems.yml
# Place in: java_progress/.github/workflows/

name: Update LeetCode Problem List

on:
  push:
    branches: [main]
    paths:
      - "JAVA/LeetCode/**"   # triggers only when a new solution is pushed
  workflow_dispatch:

jobs:
  update:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0       # needed for git log dates
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Install dependencies
        run: pip install requests

      - name: Generate PROBLEMS.md
        run: python .github/scripts/update_problems.py

      - name: Commit and push
        run: |
          git config user.name  "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add PROBLEMS.md README.md
          git diff --staged --quiet || git commit -m "📋 Auto-update problem list"
          git push