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/*
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2019 Huawei. 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */
load("nashorn:mozilla_compat.js");
importClass(org.apache.avro.Schema);
importClass(java.io.BufferedReader);
importClass(java.io.IOException);
importClass(java.nio.file.Files);
importClass(java.nio.file.Paths);

executor.logger.info("Begin Execution AAIServiceCreateTask.js");
executor.logger.info(executor.subject.id);
executor.logger.info(executor.inFields);

var attachmentPoint = executor.inFields.get("attachmentPoint");
var requestID = executor.inFields.get("requestID");
var serviceInstanceId = executor.inFields.get("serviceInstanceId");

//Get the AAI URL from configuraiotn file
var AAI_URL = "localhost:8080";
var CUSTOMER_ID = requestID;
var BBS_CFS_SERVICE_TYPE = "BBS-CFS-Access_Test";
var SERVICE_INSTANCE_UUID = serviceInstanceId;
var HTTP_PROTOCOL = "https://";

try {
    var br = Files.newBufferedReader(Paths.get(
        "/home/apexuser/examples/config/ONAPBBS/config.txt"));
    // read line by line
    var line;
    while ((line = br.readLine()) != null) {
        if (line.startsWith("AAI_URL")) {
            var str = line.split("=");
            AAI_URL = str[str.length - 1];
            break;
        }

    }
} catch (err) {
    executor.logger.info("Failed to retrieve data " + err);
}
executor.logger.info("AAI_URL " + AAI_URL);


var attachmentPoint = executor.inFields.get("attachmentPoint");
var requestID = executor.inFields.get("requestID");
var serviceInstanceId = executor.inFields.get("serviceInstanceId");

var NomadicONTContext = executor.getContextAlbum("NomadicONTContextAlbum").get(
    attachmentPoint);
executor.logger.info(NomadicONTContext);

var putUpddateServInstance = JSON.parse(NomadicONTContext.get("aai_message"));

putUpddateServInstance['orchestration-status'] = "created";
executor.logger.info(" string" + JSON.stringify(putUpddateServInstance, null, 4));
var resource_version = putUpddateServInstance['resource-version'];
var putUrl = NomadicONTContext.get("url");
var aaiUpdateResult = true;


/*BBS Policy updates  {{bbs-cfs-service-instance-UUID}} orchestration-status [ assigned --> created ]*/
try {
    if (aaiUpdateResult == true) {
        executor.logger.info("ready to putAfter Parse " + JSON.stringify(
            putUpddateServInstance, null, 4));
        var urlPut = HTTP_PROTOCOL + AAI_URL +
            putUrl + "?resource_version=" + resource_version;
        result = httpPut(urlPut, JSON.stringify(putUpddateServInstance)).data;
        executor.logger.info("Data received From " + urlPut + " " + result.toString());
        jsonObj = JSON.parse(result);
        executor.logger.info("After Parse " + JSON.stringify(jsonObj, null, 4));

        /* If failure to retrieve data proceed to Failure */
        if (result == "") {
            aaiUpdateResult = false;
        }
    }
} catch (err) {
    executor.logger.info("Failed to retrieve data " + err);
    aaiUpdateResult = false;
}
/* If Success then Fill output schema */
if (aaiUpdateResult === true) {
    NomadicONTContext.put("result", "SUCCESS");
} else {
    NomadicONTContext.put("result", "FAILURE");
}


executor.outFields.put("requestID", requestID);
executor.outFields.put("attachmentPoint", attachmentPoint);
executor.outFields.put("serviceInstanceId", executor.inFields.get(
    "serviceInstanceId"));

var returnValue = executor.isTrue;
executor.logger.info(executor.outFields);
executor.logger.info("End Execution AAIServiceCreateTask.js");

/* Utility functions Begin */

function httpGet(theUrl) {
    var con = new java.net.URL(theUrl).openConnection();
    con.requestMethod = "GET";
    return asResponse(con);
}

function httpPost(theUrl, data, contentType) {
    contentType = contentType || "application/json";
    var con = new java.net.URL(theUrl).openConnection();
    con.requestMethod = "POST";
    con.setRequestProperty("Content-Type", contentType);
    con.doOutput = true;
    write(con.outputStream, data);
    return asResponse(con);
}

function httpPut(theUrl, data, contentType) {
    contentType = contentType || "application/json";
    var con = new java.net.URL(theUrl).openConnection();
    con.requestMethod = "PUT";
    con.setRequestProperty("Content-Type", contentType);
    con.doOutput = true;
    write(con.outputStream, data);
    return asResponse(con);
}

function asResponse(con) {
    var d = read(con.inputStream);
    return {
        data: d,
        statusCode: con.resultCode
    };
}

function write(outputStream, data) {
    var wr = new java.io.DataOutputStream(outputStream);
    wr.writeBytes(data);
    wr.flush();
    wr.close();
}

function read(inputStream) {
    var inReader = new java.io.BufferedReader(new java.io.InputStreamReader(
        inputStream));
    var inputLine;
    var result = new java.lang.StringBuffer();

    while ((inputLine = inReader.readLine()) != null) {
        result.append(inputLine);
    }
    inReader.close();
    return result.toString();
}

/* Utility functions End */