name: 'Stale issues with activity before a fixed date'
on:
  schedule:
    # Weekdays (Mon-Fri): Run every 4 hours
    - cron: '0 0,4,8,12,16,20 * * 1-5'
    # Weekends (Sat-Sun): Run every hour
    - cron: '0 * * * 0,6'
  workflow_dispatch:
    inputs:
      date:
        description: "Date of stale cut-off. All issues not updated since this date will be marked as stale. Format: YYYY-MM-DD e.g. 2022-10-09"
        default: "2022-10-09"
        required: false
        type: string

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  stale:
    name: stale
    runs-on: ubuntu-24.04
    permissions:
      actions: write # Needed to manage caches for state persistence across runs
      issues: write # Needed to add/remove labels, post comments, or close issues
    steps:
      - name: Calculate the age to stale
        run: |
          echo AGE=$(( ( $(date +%s) - $(date -d "${DATE:-2022-10-09}" +%s) ) / 86400 )) >> "$GITHUB_ENV"
        env:
          DATE: ${{ inputs.date }}

      - name: Run the stale action
        uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
        with:
          stale-pr-message: 'This issue has had no activity since before ${DATE}. Please comment on the issue, or it will be closed in 30 days'
          days-before-pr-stale: -1
          days-before-pr-close: -1
          days-before-issue-stale: ${AGE}
          days-before-issue-close: 30
          operations-per-run: 100
        env:
          DATE: ${{ inputs.date }}