/*-
 * ============LICENSE_START=======================================================
 * openECOMP : SDN-C
 * ================================================================================
 * Copyright (C) 2017 AT&T 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=========================================================
 */

package org.openecomp.sdnc.sli.aai;

import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;

import org.openecomp.sdnc.sli.aai.data.AAIDatum;

import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.AnnotationIntrospector;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector;

import org.openecomp.aai.inventory.v11.InventoryResponseItems;

public class NamedQueryRequest extends AAIRequest {

	public static final String NAMED_SEARCH_PATH			= "org.openecomp.sdnc.sli.aai.query.named";

	private final String named_search_path;

	public static final String NAMED_QUERY_UUID = "named-query-uuid";
	public static final String PREFIX = "prefix";


	public NamedQueryRequest() {
		named_search_path = configProperties.getProperty(NAMED_SEARCH_PATH);
	}

	@Override
	public URL getRequestUrl(String method, String resourceVersion) throws UnsupportedEncodingException, MalformedURLException {

		String request_url = target_uri+named_search_path;

		request_url = processPathData(request_url, requestProperties);

		if(resourceVersion != null) {
			request_url = request_url +"?resource-version="+resourceVersion;
		}
		URL http_req_url =	new URL(request_url);

		aaiService.LOGwriteFirstTrace(method, http_req_url.toString());

		return http_req_url;
	}

	@Override
	public URL getRequestQueryUrl(String method) throws UnsupportedEncodingException, MalformedURLException {
		return getRequestUrl(method, null);
	}


	@Override
	public String toJSONString() {
		ObjectMapper mapper = AAIService.getObjectMapper();
		mapper.setSerializationInclusion(Include.NON_NULL);
		mapper.setSerializationInclusion(Include.NON_EMPTY);
		mapper.setSerializationInclusion(Include.NON_DEFAULT);

	    AnnotationIntrospector introspector = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance());
	    AnnotationIntrospector secondary = new JacksonAnnotationIntrospector();
	    mapper.setAnnotationIntrospector(AnnotationIntrospector.pair(introspector, secondary));
        mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);

        AAIDatum tenant = (AAIDatum)requestDatum;
		String json_text = null;
		try {
			ObjectNode node = mapper.valueToTree(tenant);
			Iterator<JsonNode> it = node.elements();
			while(it.hasNext()){
				JsonNode jn = it.next();
				JsonNode child = jn.get("instance-filter");
				if(child != null) {
					child = child.get(0);
					if(child.has("l3-network")) {
						JsonNode innerChild =  child.get("l3-network");
						if(innerChild != null) {
							if(innerChild instanceof ObjectNode) {
								ObjectNode on = ObjectNode.class.cast(innerChild);
								List<String> namesToDelete = new ArrayList<String>();
								Iterator<String> names = on.fieldNames();
								while(names.hasNext()) {
									String name = names.next();
									if(name != null && name.startsWith("is-")) {
										namesToDelete.add(name);
									}
								}
								for(String nameToDelete : namesToDelete) {
									on.remove(nameToDelete);
								}
							}
						}
					} else if(child.has("pnf")) {
						JsonNode innerChild =  child.get("pnf");
						if(innerChild != null) {
							if(innerChild instanceof ObjectNode) {
								ObjectNode on = ObjectNode.class.cast(innerChild);
								List<String> namesToDelete = new ArrayList<String>();
								Iterator<String> names = on.fieldNames();
								while(names.hasNext()) {
									String name = names.next();
									if(name != null && name.startsWith("in-maint")) {
										namesToDelete.add(name);
									}
								}
								for(String nameToDelete : namesToDelete) {
									on.remove(nameToDelete);
								}
							}
						}
					}
				}
			}
			json_text = node.toString();
			if(json_text == null)
			json_text = mapper.writeValueAsString(tenant);
		} catch (JsonProcessingException exc) {
			handleException(this, exc);
			return null;
		}
		return json_text;
	}


	@Override
	public String[] getArgsList() {
		String[] args = {NAMED_QUERY_UUID, PREFIX};
		return args;
	}


	@Override
	public Class<? extends AAIDatum> getModelClass() {
		return InventoryResponseItems.class;
	}


	public static String processPathData(String request_url, Properties requestProperties) throws UnsupportedEncodingException {


		String encoded_vnf ;
		String key = NAMED_QUERY_UUID;

		if(requestProperties.containsKey(key)) {
			encoded_vnf = encodeQuery(requestProperties.getProperty(key));
			request_url = request_url.replace("{named-query-uuid}", encoded_vnf) ;
			aaiService.LOGwriteDateTrace("named-query-uuid", requestProperties.getProperty(key));
		}

		key = PREFIX;

		if(requestProperties.containsKey(key)) {
			encoded_vnf = encodeQuery(requestProperties.getProperty(key));
			request_url = request_url.replace("{prefix}", encoded_vnf) ;
			aaiService.LOGwriteDateTrace("prefix", requestProperties.getProperty(key));
		}

		return request_url;
	}
}