import { slackRequest } from './request.ts'

type AuthTestResponse = {
  ok: boolean
  user_id?: string
  bot_id?: string
  team_id?: string
  [key: string]: unknown
}

/** Verify that Slack is authenticated with a user token rather than a bot token. */
export default async function smokeTest() {
  const result = await slackRequest<AuthTestResponse>('auth.test')
  const userIdentity = typeof result.user_id === 'string'
  const botIdentity = typeof result.bot_id === 'string'

  if (!userIdentity || botIdentity) {
    throw new Error('The slack integration must use a Slack user token, not a bot token.')
  }

  return {
    ok: true,
    userIdentity,
    botIdentity,
    teamIdentity: typeof result.team_id === 'string',
  }
}