import PromiseRouter from '../PromiseRouter';
import * as middleware from '../middlewares';

export class PurgeRouter extends PromiseRouter {

  handlePurge(req) {
    if (req.auth.isReadOnly) {
      throw new Parse.Error(Parse.Error.OPERATION_FORBIDDEN, 'read-only masterKey isn\'t allowed to purge a schema.');
    }
    return req.config.database.purgeCollection(req.params.className)
      .then(() => {
        var cacheAdapter = req.config.cacheController;
        if (req.params.className == '_Session') {
          cacheAdapter.user.clear();
        } else if (req.params.className == '_Role') {
          cacheAdapter.role.clear();
        }
        return {response: {}};
      });
  }

  mountRoutes() {
    this.route('DELETE',  '/purge/:className', middleware.promiseEnforceMasterKeyAccess, (req) => { return this.handlePurge(req); });
  }
}

export default PurgeRouter;