// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import localforage from 'localforage';
import { hueWindow } from '../types/types';

export interface HueDebug {
  lastChangeTime?: number;
  logStatementLocations?: boolean;
  clearCaches(): void;
  showSyntaxParseResult?: boolean;
  showParseResult?: boolean;
}

const hueDebug: HueDebug = {
  clearCaches: () => {
    const promises: Promise<void>[] = [];
    const clearInstance = (prefix: string) => {
      promises.push(
        localforage.createInstance({ name: prefix + (<hueWindow>window).LOGGED_USERNAME }).clear()
      );
    };
    clearInstance('HueContextCatalog_');
    clearInstance('HueDataCatalog_');
    clearInstance('HueDataCatalog_hive_');
    clearInstance('HueDataCatalog_hive_multiTable_');
    clearInstance('HueDataCatalog_impala_');
    clearInstance('HueDataCatalog_impala_multiTable_');
    Promise.all(promises).then(() => {
      // eslint-disable-next-line no-restricted-syntax
      console.log('Done! Refresh the browser.');
    });
  }
};

export default hueDebug;