import {AppBskyActorDefs} from '@atproto/api'

export function canBeMessaged(profile: AppBskyActorDefs.ProfileView) {
  switch (profile.associated?.chat?.allowIncoming) {
    case 'none':
      return false
    case 'all':
      return true
    // if unset, treat as following
    case 'following':
    case undefined:
      return Boolean(profile.viewer?.followedBy)
    // any other values are invalid according to the lexicon, so
    // let's treat as false to be safe
    default:
      return false
  }
}