import {RivendellApi} from './RivendellApi';
import {MoriaApi} from './MoriaApi';
import RivendellApiError = RivendellApi.ApiError;
import MoriaApiError = MoriaApi.ApiError;

export function formatError(error: Error) {
  if (error instanceof RivendellApiError) {
    if (error.response?.status === 403) {
      return 'Could not authenticate with the credential configured in ~/.opti/credentials.json.';
    } else {
      return sanitize(errorMessageFromJsonResponse(error));
    }
  } else if (error instanceof MoriaApiError) {
    return sanitize(errorMessageFromJsonResponse(error));
  } else {
    return sanitize(error.message);
  }
}

function errorMessageFromJsonResponse(error: MoriaApiError | RivendellApiError) {
  const contentType = error.response?.headers?.get('content-type');
  if (contentType?.includes('application/json') && error.responseText) {
    const response = JSON.parse(error.responseText);
    // protocol is that detail will have either a `message` or an `invalids` child
    if (response.detail) {
      return response.detail.message
        ? response.detail.message
        : response.detail.invalids
          .map((violation: { [key: string]: string }) => `* ${violation.field} ${violation.reason}`)
          .join('\n');
    }
  }

  return error.message;
}

function sanitize(body: any) {
  return body.replace('FAILED_PRECONDITION: ', '').replace('INTERNAL: ', '');
}