name: Close invalid PRs

on:
  pull_request_target:
    types: [ opened ]

jobs:
  run:
    if: |
      github.repository != github.event.pull_request.head.repo.full_name &&
      (
        github.head_ref == 'main' ||
        github.event.pull_request.head.repo.owner.type != 'User'
      )
    runs-on: ubuntu-latest
    steps:
      - uses: superbrothers/close-pull-request@v3
        id: "main_branch"
        if: github.head_ref == 'main'
        with:
          comment: "Please do not open pull requests from the `main` branch, create a new branch instead."

      - uses: superbrothers/close-pull-request@v3
        id: "org_account"
        if: github.event.pull_request.head.repo.owner.type != 'User' && steps.main_branch.outcome == 'skipped'
        with:
          comment: "Please do not open pull requests from non-user accounts like organizations. Create a fork on a user account instead."