name: Close inactive issues
on:
  workflow_dispatch: # for manual run
  schedule:
    - cron: "0 0 * * *" # Runs daily at midnight

# Fine-grant permission
# https://docs.github.com/en/actions/security-for-github-actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
permissions:
  issues: write

jobs:
  close-issues:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: write
    steps:
      - uses: actions/stale@v5
        with:
          exempt-issue-labels: "refactor,help wanted,good first issue,research,bug"
          days-before-issue-stale: 7  # Issues become stale after 7 days
          days-before-issue-close: 15 # Issues close 15 days after being marked stale
          stale-issue-label: "stale"
          close-issue-message: "This issue was closed because it has been inactive for 15 days since being marked as stale."
          days-before-pr-stale: -1 # PRs are not handled
          days-before-pr-close: -1 # PRs are not handled
          operations-per-run: 10000
          repo-token: ${{ secrets.GITHUB_TOKEN }}