digitalfabrik/integreat-app

import FetchError from './errors/FetchError'
import MappingError from './errors/MappingError'
import NotFoundError from './errors/NotFoundError'
import ResponseError from './errors/ResponseError'

export enum ErrorCode {
  CityUnavailable = 'cityUnavailable',
  LanguageUnavailable = 'languageUnavailable',
  PageNotFound = 'pageNotFound',
  NetworkConnectionFailed = 'networkConnectionFailed',
  NetworkRequestFailed = 'networkRequestFailed',
  // server's http-status was not 200
  ResponseMappingFailed = 'responseMappingFailed',
  UnknownError = 'unknownError',
}

export const fromError = (error: unknown): ErrorCode => {
  if (error instanceof ResponseError) {
    return ErrorCode.NetworkRequestFailed
  }
  if (error instanceof MappingError) {
    return ErrorCode.ResponseMappingFailed
  }
  if (error instanceof FetchError) {
    return ErrorCode.NetworkConnectionFailed
  }
  if (error instanceof NotFoundError) {
    return ErrorCode.PageNotFound
  }

  return ErrorCode.UnknownError
}