import { ENTITY_TYPES, EntityType } from '../constants/Repository.constants';
import { ParsePartitionKeyResult } from './ParsePartitionKey.types';
import { InternalServerError } from '../errors';

export function parsePartitionKey(type: string): ParsePartitionKeyResult {
  const entityTypes = Object.values(ENTITY_TYPES).join('|');
  const matches = type.match(new RegExp(`^(?<entityType>${entityTypes})~(?<tenant>.+)$`));
  if (matches?.groups) {
    return {
      entityType: matches.groups.entityType as EntityType,
      tenant: matches.groups.tenant,
    };
  }

  throw new InternalServerError(`'${type}' is an invalid type`);
}