name: Close inactive issues

on:
  schedule:
    # Run daily. GitHub cron schedules use UTC.
    - cron: "30 1 * * *"
  workflow_dispatch:
    inputs:
      debug_only:
        description: "Dry run: log intended actions without changing issues"
        required: false
        default: false
        type: boolean

permissions:
  issues: write

concurrency:
  group: ${{ github.workflow }}
  cancel-in-progress: false

jobs:
  close-inactive-issues:
    runs-on: ubuntu-latest
    steps:
      - name: Comment and close inactive issues
        uses: actions/stale@v10
        with:
          days-before-issue-stale: 365
          days-before-issue-close: 0

          days-before-pr-stale: -1
          days-before-pr-close: -1

          stale-issue-label: issue:inactive
          close-issue-label: issue:auto-closed
          close-issue-reason: completed
          stale-issue-message: ""
          close-issue-message: >
            This issue has had no activity for one year. The latest version of
            the code may already have fixed the problem.

            If the issue still exists in the latest version, you can reopen
            this issue at any time with updated reproduction details.

          remove-issue-stale-when-updated: true
          operations-per-run: 1000
          debug-only: ${{ github.event_name == 'workflow_dispatch' && inputs.debug_only || false }}