/** Mobile routing is explicit and cannot start a first-run installer. */
export function createMobileBackendResolver<Connection extends { mode: string; baseUrl: string; token: string }>({
  isRemote,
  runtimeNeedsInstall,
  ensureBackend
}: {
  isRemote: (profile: string) => boolean
  runtimeNeedsInstall: (profile: string) => boolean
  ensureBackend: (profile: string) => Promise<Connection>
}) {
  return async (profile: string) => {
    if (isRemote(profile)) throw new Error('aiturk-mobile:remote_mode')
    if (runtimeNeedsInstall(profile)) throw new Error('aiturk-mobile:runtime_not_ready')
    const connection = await ensureBackend(profile)
    if (connection.mode !== 'local' || isRemote(profile)) throw new Error('aiturk-mobile:remote_mode')
    return { baseUrl: connection.baseUrl, token: connection.token }
  }
}