name: Close Stale PRs

on:
  schedule:
    # Run daily at 00:00 UTC
    - cron: '0 0 * * *'
  workflow_dispatch: # Allow manual triggering

permissions:
  pull-requests: write
  issues: write

jobs:
  stale:
    runs-on: ubuntu-latest
    env:
      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
    steps:
      - uses: actions/stale@v10
        with:
          # Only process PRs, not issues
          only-pr-labels: ''

          # Days before marking as stale
          days-before-stale: 25

          # Days before closing after being marked stale
          days-before-close: 5

          # Label to apply when PR becomes stale
          stale-pr-label: 'stale'

          # Message to post when PR becomes stale
          stale-pr-message: |
            This pull request has been inactive for 25 days and will be marked as stale.

            If you would like to keep this PR open, please:
            - Add new commits
            - Add a comment explaining why it should remain open

            This PR will be automatically closed in 5 days if no further activity occurs.

          # Message to post when closing the PR
          close-pr-message: |
            This pull request has been automatically closed due to inactivity (30 days with no updates).

            If you'd like to continue working on this, feel free to reopen the PR or create a new one.

          # Don't process issues, only PRs
          days-before-issue-stale: -1
          days-before-issue-close: -1

          # Exempt PRs with these labels from being marked stale
          exempt-pr-labels: 'keep-open,in-progress,blocked'

          # Remove stale label when PR has activity
          remove-stale-when-updated: true

          # Ascending order processes oldest PRs first
          ascending: true

          # Maximum number of operations per run (to avoid API rate limits)
          operations-per-run: 1000