name: Auto Increment Counter

on:
  workflow_dispatch:

permissions:
  contents: write

jobs:
  increment:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Increment counter in README
        run: |
          current=$(grep -oP '(?<=Counter: )\d+' README.md)
          new=$((current + 2))
          sed -i "s/Counter: ${current}/Counter: ${new}/" README.md
          echo "Counter updated from ${current} to ${new}"

      - name: Commit and push
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add README.md
          git commit -m "chore: increment counter to $(grep -oP '(?<=Counter: )\d+' README.md)"
          git push