import { GraphQLError } from "graphql";
import { ApolloError } from "apollo-server-express";
import { BaseError } from "@nimbus/errors";
import { InternalServerError } from "@nimbus/errors";

export function formatError(error: GraphQLError): ApolloError {
    let err: ApolloError;
    const originalError = error.originalError;
    if (originalError instanceof BaseError) {
      err = new ApolloError(originalError.message, originalError.code, originalError.render());
    } else if (error.originalError) {
      const internalError = new InternalServerError(originalError && originalError.message || "Internal error");
      err = new ApolloError(internalError.message, internalError.code, internalError.render());
    } else {
      const internalError = new InternalServerError(error.message);
      err = new ApolloError(internalError.message, internalError.code, internalError.render());
    }
    return err;
}