/**
 * ============LICENSE_START========================================================================
 * ONAP : ccsdk feature sdnr wt odlux
 * =================================================================================================
 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. 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.
 * ============LICENSE_END==========================================================================
 */

import { requestRest, requestRestExt } from "../../../../framework/src/services/restService";
import { convertPropertyNames, replaceHyphen } from "../../../../framework/src/utilities/yangHelper";

import { NetworkElementConnection } from "../models/networkElementConnection";

type CapabilityResponse = {
    "network-topology:node": {
        "node-id": string, 
        "netconf-node-topology:available-capabilities": { 
            "available-capability": { 
                "capability-origin": string, 
                "capability": string,
            }[] 
        },
        "netconf-node-topology:unavailable-capabilities": { 
            "unavailable-capability": { 
                "capability": string,
                "failure-reason": string, 
            }[] 
        }
    }[] 
}

type CapabilityAnswer = { 
    avaliableCapabilities: { 
        capabilityOrigin: string, 
        capability: string 
    }[] | null ,
    unavaliableCapabilities: { 
        failureReason: string, 
        capability: string 
    }[] | null ,
}

class RestService {
  public getNetworkElementUri = (nodeId: string) => '/rests/data/network-topology:network-topology/topology=topology-netconf/node=' + nodeId;

  public async getCapabilitiesByMoutId(nodeId: string): Promise<CapabilityAnswer> {
    const path = this.getNetworkElementUri(nodeId);
    const capabilitiesResult = await requestRest<CapabilityResponse>(path, { method: "GET" });
    const avaliableCapabilities = capabilitiesResult && capabilitiesResult["network-topology:node"] && capabilitiesResult["network-topology:node"].length > 0 &&
       capabilitiesResult["network-topology:node"][0]["netconf-node-topology:available-capabilities"] && 
       capabilitiesResult["network-topology:node"][0]["netconf-node-topology:available-capabilities"]["available-capability"] && 
       capabilitiesResult["network-topology:node"][0]["netconf-node-topology:available-capabilities"]["available-capability"].map<any>(obj => convertPropertyNames(obj, replaceHyphen)) || [];
   
    const unavaliableCapabilities = capabilitiesResult && capabilitiesResult["network-topology:node"] && capabilitiesResult["network-topology:node"].length > 0 &&
      capabilitiesResult["network-topology:node"][0]["netconf-node-topology:unavailable-capabilities"] &&
      capabilitiesResult["network-topology:node"][0]["netconf-node-topology:unavailable-capabilities"]["unavailable-capability"] && 
      capabilitiesResult["network-topology:node"][0]["netconf-node-topology:unavailable-capabilities"]["unavailable-capability"].map<any>(obj => convertPropertyNames(obj, replaceHyphen)) || []
   
    return { avaliableCapabilities, unavaliableCapabilities };
  }

  public async getMountedNetworkElementByMountId(nodeId: string): Promise<NetworkElementConnection | null> {
    // const path = 'restconf/operational/network-topology:network-topology/topology/topology-netconf/node/' + nodeId;
    // const connectedNetworkElement = await requestRest<NetworkElementConnection>(path, { method: "GET" });
    // return connectedNetworkElement || null;

    const path = "/rests/operations/data-provider:read-network-element-connection-list";
    const body = { "data-provider:input": { "filter": [{ "property": "node-id", "filtervalue": nodeId }], "sortorder": [], "pagination": { "size": 1, "page": 1 } } };
    const networkElementResult = await requestRest<{ "data-provider:output": { data: NetworkElementConnection[] } }>(path, { method: "POST", body: JSON.stringify(body) });
    return networkElementResult && networkElementResult["data-provider:output"] && networkElementResult["data-provider:output"].data &&
      networkElementResult["data-provider:output"].data.map(obj => convertPropertyNames(obj, replaceHyphen))[0] || null;
  }
 
  /** Reads the config data by restconf path.
  * @param path The restconf path to be used for read.
  * @returns The data.
  */
  public getConfigData(path: string) {
    return requestRestExt<{ [key: string]: any }>(path, { method: "GET" });
  }

  /** Updates or creates the config data by restconf path using data.
   * @param path The restconf path to identify the note to update.
   * @param data The data to be updated.
   * @returns The written data.
   */
  public setConfigData(path: string, data: any) {
    return requestRestExt<{ [key: string]: any }>(path, { method: "PUT", body: JSON.stringify(data) });
  }

  public executeRpc(path: string, data: any) {
    return requestRestExt<{ [key: string]: any }>(path, { method: "POST", body: JSON.stringify(data) });
  }

  /** Removes the element by restconf path.
  * @param path The restconf path to identify the note to update.
  * @returns The restconf result.
  */
  public removeConfigElement(path: string) {
    return requestRestExt<{ [key: string]: any }>(path, { method: "DELETE" });
  }
}

export const restService = new RestService();
export default restService;