/*
 * Tencent is pleased to support the open source community by making TMagicEditor available.
 *
 * Copyright (C) 2023 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * Licensed 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 type { MApp, MNode } from '@tmagic/schema';
import { getDepNodeIds, getNodes, replaceChildNode } from '@tmagic/utils';

import DataSourceManager from './DataSourceManager';
import type { DataSourceManagerData, HttpDataSourceOptions } from './types';

/**
 * 创建数据源管理器
 * @param dsl DSL
 * @param httpDataSourceOptions http 数据源配置
 * @returns DataSourceManager
 */
export const createDataSourceManager = (
  dsl: MApp,
  compiledNode = (node: MNode, _content: DataSourceManagerData) => node,
  httpDataSourceOptions?: Partial<HttpDataSourceOptions>,
) => {
  if (!dsl?.dataSources) return;

  const dataSourceManager = new DataSourceManager({
    dataSourceConfigs: dsl.dataSources,
    httpDataSourceOptions,
  });

  if (dsl.dataSources && dsl.dataSourceDeps) {
    getNodes(getDepNodeIds(dsl.dataSourceDeps), dsl.items).forEach((node) => {
      replaceChildNode(compiledNode(node, dataSourceManager.data), dsl!.items);
    });
  }

  dataSourceManager.on('change', (sourceId: string) => {
    const dep = dsl.dataSourceDeps?.[sourceId];
    if (!dep) return;
    dataSourceManager.emit('update-data', getNodes(Object.keys(dep), dsl.items), sourceId);
  });

  return dataSourceManager;
};