name: auto-pr

on:
  pull_request_target:
    types:
      - opened
      - ready_for_review
      - converted_to_draft
      - labeled

jobs:
  review:
    if: >-
      !endsWith(github.event.pull_request.user.login, '[bot]') &&
      (
        (github.event.action == 'opened' && !github.event.pull_request.draft) ||
        github.event.action == 'ready_for_review'
      )
    runs-on: ubuntu-slim
    permissions:
      pull-requests: write
    steps:
      - uses: hkusu/review-assign-action@5bee595fdb9765d4a0bd35724b6302fa15569158 # v1.4.0
        with:
          reviewers: ${{ vars.REVIEWERS }}
          max-num-of-reviewers: 2

  remove-review:
    if: >-
      !endsWith(github.event.pull_request.user.login, '[bot]') &&
      (
        github.event.action == 'converted_to_draft' ||
        (github.event.action == 'labeled' && github.event.label.name == 'auto:cla')
      )
    runs-on: ubuntu-slim
    permissions:
      pull-requests: write
    steps:
      - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
        with:
          script: |
            const { data: { users, teams } } = await github.rest.pulls.listRequestedReviewers({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.payload.pull_request.number,
            });
            const reviewers = users.map(u => u.login);
            const team_reviewers = teams.map(t => t.slug);
            if (reviewers.length || team_reviewers.length) {
              await github.rest.pulls.removeRequestedReviewers({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.payload.pull_request.number,
                reviewers,
                team_reviewers,
              });
            }