name: update check

on:
  push:
    paths:
      - .github/workflows/update-check.yaml
      - update-check.py
  pull_request:
  schedule:
  - cron: '0 0 * * *'  # runs every day at midnight UTC
  workflow_dispatch:

jobs:
  changes:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    outputs:
      update-check: ${{ steps.filter.outputs.update-check }}
    steps:
      - uses: actions/checkout@v6
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            update-check:
              - '.github/workflows/update-check.yaml'
              - 'update-check.py'

  check:
    needs: changes
    runs-on: ubuntu-latest
    if: |
      github.event_name != 'pull_request' ||
      needs.changes.outputs.update-check == 'true'
    steps:
    - name: Checkout
      uses: actions/checkout@v6
      with:
        token: ${{ secrets.PERSONAL_TOKEN }}
    - name: Install dependencies
      run: pip install requests
    - name: Check Update
      env:
        GITHUB_TOKEN: ${{ secrets.PERSONAL_TOKEN }}
        GITHUB_REPOSITORY: ${{ github.repository }}
      run: python3 update-check.py ${{ github.event_name == 'pull_request' }}

  ci-required:
    if: ${{ failure() || cancelled() }}
    needs: [changes, check]
    runs-on: ubuntu-latest
    steps:
      - run: exit 1