/*-
 * ============LICENSE_START=======================================================
 * OPENECOMP - SO
 * ================================================================================
 * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
 * ================================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ================================================================================
 * 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=========================================================
 */

package org.onap.so.bpmn.infrastructure.scripts

import org.json.JSONObject
import org.json.XML;

import static org.apache.commons.lang3.StringUtils.*;
import groovy.xml.XmlUtil
import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
import org.onap.so.bpmn.common.scripts.ExceptionUtil
import org.onap.aai.domain.yang.Device
import org.onap.so.bpmn.common.recipe.ResourceInput;
import org.onap.so.bpmn.common.resource.ResourceRequestBuilder
import org.onap.so.bpmn.core.UrnPropertiesReader
import org.onap.so.bpmn.core.WorkflowException
import org.onap.so.bpmn.core.json.JsonUtils
import org.onap.so.bpmn.infrastructure.workflow.serviceTask.client.builder.AbstractBuilder
import org.onap.so.client.HttpClient
import org.onap.so.client.aai.AAIObjectType
import org.onap.so.client.aai.AAIResourcesClient
import org.onap.so.client.aai.entities.uri.AAIResourceUri
import org.onap.so.client.aai.entities.uri.AAIUriFactory
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import org.onap.so.bpmn.common.scripts.SDNCAdapterUtils

import java.util.UUID;
import javax.ws.rs.core.Response
import org.camunda.bpm.engine.delegate.BpmnError
import org.camunda.bpm.engine.delegate.DelegateExecution
import org.apache.commons.lang3.*
import javax.ws.rs.core.MediaType
import org.apache.commons.codec.binary.Base64
import org.onap.so.utils.TargetEntity


/**
 * This groovy class supports the <class>DeleteDeviceResource.bpmn</class> process.
 * flow for Device Resource Delete
 */
public class DeleteDeviceResource extends AbstractServiceTaskProcessor {

    String Prefix="DELDEVRES_"

    ExceptionUtil exceptionUtil = new ExceptionUtil()

    JsonUtils jsonUtil = new JsonUtils()

    private static final Logger logger = LoggerFactory.getLogger( DeleteDeviceResource.class);

    public void preProcessRequest(DelegateExecution execution){
        logger.info(" ***** Started preProcessRequest *****")
        try {

            //get bpmn inputs from resource request.
            String requestId = execution.getVariable("mso-request-id")
            String requestAction = execution.getVariable("requestAction")
            logger.info("The requestAction is: " + requestAction)
            String recipeParamsFromRequest = execution.getVariable("recipeParams")
            logger.info("The recipeParams is: " + recipeParamsFromRequest)
            String resourceInput = execution.getVariable("resourceInput")
            logger.info("The resourceInput is: " + resourceInput)
            //Get ResourceInput Object
            ResourceInput resourceInputObj = ResourceRequestBuilder.getJsonObject(resourceInput, ResourceInput.class)
            execution.setVariable(Prefix + "ResourceInput", resourceInputObj)
            String resourceInputPrameters = resourceInputObj.getResourceParameters()
            String inputParametersJson = jsonUtil.getJsonValue(resourceInputPrameters, "requestInputs")
            JSONObject inputParameters = new JSONObject(inputParametersJson)
            execution.setVariable(Prefix + "ResourceRequestInputs", inputParameters)

            //Deal with recipeParams
            String recipeParamsFromWf = execution.getVariable("recipeParamXsd")
            String resourceName = resourceInputObj.getResourceInstanceName()

            String resourceInstanceId = resourceInputObj.getResourceInstancenUuid()
            String deviceId = resourceInstanceId
            execution.setVariable(Prefix + "DeviceId", deviceId)

            getDeviceInAAI(execution)

            execution.setVariable(Prefix + "serviceInstanceId", resourceInputObj.getServiceInstanceId())
            execution.setVariable("mso-request-id", requestId)

        } catch (Exception ex){
            String msg = "Exception in preProcessRequest " + ex.getMessage()
            logger.debug(msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }
    }

	private void getDeviceInAAI(DelegateExecution execution) {
		logger.info(" ***** Started getDeviceInAAI *****")
        try {
		String deviceId = execution.getVariable(Prefix + "DeviceId")
        
        AAIResourcesClient client = new AAIResourcesClient()
        AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.DEVICE, deviceId)
        Device dev = client.get(uri).asBean(Device.class).get()
        
        String devClass = dev.getClass ()
        execution.setVariable(Prefix + "DeviceClass", devClass)
        logger.debug(" DeviceClass is: " + devClass)

        } catch (Exception ex){
            String msg = "Exception in getDeviceInAAI " + ex.getMessage()
            logger.debug(msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }

		logger.info(" ***** Exit getDeviceInAAI *****")
	}

    public void checkDevType(DelegateExecution execution){
        logger.info(" ***** Started checkDevType *****")
        try {

            String devType = execution.getVariable(Prefix + "DeviceClass")

            if(StringUtils.isBlank(devType)) {
                devType = "OTHER"
            }

            execution.setVariable("device_class", devType)

        } catch (Exception ex){
            String msg = "Exception in checkDevType " + ex.getMessage()
            logger.debug( msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }
    }

	private void setProgressUpdateVariables(DelegateExecution execution, String body) {
		def dbAdapterEndpoint = UrnPropertiesReader.getVariable("mso.adapters.openecomp.db.endpoint", execution)
		execution.setVariable("CVFMI_dbAdapterEndpoint", dbAdapterEndpoint)
		execution.setVariable("CVFMI_updateResOperStatusRequest", body)
	}

	public void prepareUpdateProgress(DelegateExecution execution) {
		logger.info(" ***** Started prepareUpdateProgress *****")
		ResourceInput resourceInputObj = execution.getVariable(Prefix + "ResourceInput")
		String operType = resourceInputObj.getOperationType()
		String resourceCustomizationUuid = resourceInputObj.getResourceModelInfo().getModelCustomizationUuid()
		String ServiceInstanceId = resourceInputObj.getServiceInstanceId()
		String modelName = resourceInputObj.getResourceModelInfo().getModelName()
		String operationId = resourceInputObj.getOperationId()
		String progress = execution.getVariable("progress")
		String status = execution.getVariable("status")
		String statusDescription = execution.getVariable("statusDescription")

		String body = """
                <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
                        xmlns:ns="http://org.onap.so/requestsdb">
                        <soapenv:Header/>
                <soapenv:Body>
                    <ns:updateResourceOperationStatus>
                               <operType>${operType}</operType>
                               <operationId>${operationId}</operationId>
                               <progress>${progress}</progress>
                               <resourceTemplateUUID>${resourceCustomizationUuid}</resourceTemplateUUID>
                               <serviceId>${ServiceInstanceId}</serviceId>
                               <status>${status}</status>
                               <statusDescription>${statusDescription}</statusDescription>
                    </ns:updateResourceOperationStatus>
                </soapenv:Body>
                </soapenv:Envelope>"""

		setProgressUpdateVariables(execution, body)
		logger.info(" ***** Exit prepareUpdateProgress *****")
	}

    public void getVNFTemplatefromSDC(DelegateExecution execution){
        logger.info(" ***** Started getVNFTemplatefromSDC *****")
        try {
            // To do


        } catch (Exception ex){
            String msg = "Exception in getVNFTemplatefromSDC " + ex.getMessage()
            logger.debug( msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }
    }

    public void postVNFInfoProcess(DelegateExecution execution){
        logger.info(" ***** Started postVNFInfoProcess *****")
        try {
            // To do


        } catch (Exception ex){
            String msg = "Exception in postVNFInfoProcess " + ex.getMessage()
            logger.debug( msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }
    }

    public void sendSyncResponse (DelegateExecution execution) {
        logger.debug( " *** sendSyncResponse *** ")

        try {
            String operationStatus = "finished"
            // RESTResponse for main flow
            String resourceOperationResp = """{"operationStatus":"${operationStatus}"}""".trim()
            logger.debug( " sendSyncResponse to APIH:" + "\n" + resourceOperationResp)
            sendWorkflowResponse(execution, 202, resourceOperationResp)
            execution.setVariable("sentSyncResponse", true)

        } catch (Exception ex) {
            String msg = "Exceptuion in sendSyncResponse:" + ex.getMessage()
            logger.debug( msg)
//            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
        }
        logger.debug(" ***** Exit sendSyncResopnse *****")
    }
}