import { addScopeOptions, addScopeOptionsGetter } from './scope-service';
import { ScopeTableOptions } from './scope-table-options';
import { ScopesOptionsGetter } from './scope-options';

/**
 * Decorator for defining Model scopes
 */
export function Scopes(scopesGetter: ScopesOptionsGetter): Function;

/**
 * Decorator for defining Model scopes
 * @deprecated
 */
export function Scopes<TCreationAttributes extends {}, TModelAttributes extends {}>(
  scopes: ScopeTableOptions<TCreationAttributes, TModelAttributes>
): Function;

/**
 * Decorator for defining Model scopes
 */
export function Scopes<TCreationAttributes extends {}, TModelAttributes extends {}>(
  scopesOrScopesGetter:
    | ScopeTableOptions<TCreationAttributes, TModelAttributes>
    | ScopesOptionsGetter
): Function {
  return (target: any) => {
    if (typeof scopesOrScopesGetter === 'function') {
      addScopeOptionsGetter(target.prototype, {
        getScopes: scopesOrScopesGetter,
      });
    } else {
      addScopeOptions(target.prototype, scopesOrScopesGetter);
    }
  };
}