/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 - 2018 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.onap.so.client.aai;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.onap.aai.domain.yang.GenericVnf;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;


@RunWith(MockitoJUnitRunner.class)
public class AAIPatchConverterTest {

	private ObjectMapper mapper = new AAICommonObjectMapperProvider().getMapper();

	@Test
	public void convertObjectToPatchFormatTest() throws URISyntaxException, JsonParseException, JsonMappingException, IOException {
		AAIPatchConverter validator = new AAIPatchConverter();
		GenericVnf vnf = new GenericVnf();
		vnf.setIpv4Loopback0Address("");
		String result = validator.marshallObjectToPatchFormat(vnf);
		GenericVnf resultObj = mapper.readValue(result.toString(), GenericVnf.class);
		assertTrue("expect object to become a String to prevent double marshalling", result instanceof String);
		assertNull("expect null because of custom mapper", resultObj.getIpv4Loopback0Address());
		
	}
	
	@Test
	public void convertStringToPatchFormatTest() throws URISyntaxException, JsonParseException, JsonMappingException, IOException {
		AAIPatchConverter validator = new AAIPatchConverter();
		String payload = "{\"ipv4-loopback0-address\":\"\"}";
		String result = validator.marshallObjectToPatchFormat(payload);
		
		assertEquals("expect no change", payload, result);
	}
	
	@Test
	public void convertMapToPatchFormatTest() throws URISyntaxException, JsonParseException, JsonMappingException, IOException {
		AAIPatchConverter validator = new AAIPatchConverter();
		HashMap<String, String> map = new HashMap<>();
		map.put("ipv4-loopback0-address", "");
		String result = validator.marshallObjectToPatchFormat(map);
		
		assertEquals("expect string", "{\"ipv4-loopback0-address\":\"\"}", result);
	}
	
	@Test
	public void hasComplexObjectTest() {
		AAIPatchConverter validator = new AAIPatchConverter();
		String hasNesting = "{ \"hello\" : \"world\", \"nested\" : { \"key\" : \"value\" } }";
		String noNesting = "{ \"hello\" : \"world\" }";
		String arrayCase = "{ \"hello\" : \"world\", \"nestedSimple\" : [\"value1\" , \"value2\"], \"nestedComplex\" : [{\"key\" : \"value\"}]}";
		String empty = "{}";
		String arrayCaseSimpleOnly = "{ \"hello\" : \"world\", \"nestedSimple\" : [\"value1\" , \"value2\"]}";
		String relationshipListCaseNesting = "{ \"hello\" : \"world\", \"nestedSimple\" : [\"value1\" , \"value2\"], \"relationship-list\" : [{\"key\" : \"value\"}], \"nested\" : { \"key\" : \"value\" }}";
		String relationshipListCase = "{ \"hello\" : \"world\", \"nestedSimple\" : [\"value1\" , \"value2\"], \"relationship-list\" : [{\"key\" : \"value\"}]}";
		String nothing = "";
		
		assertTrue("expect has nesting", validator.hasComplexObject(hasNesting));
		assertFalse("expect no nesting", validator.hasComplexObject(noNesting));
		assertTrue("expect has nesting", validator.hasComplexObject(arrayCase));
		assertFalse("expect no nesting", validator.hasComplexObject(empty));
		assertFalse("expect no nesting", validator.hasComplexObject(arrayCaseSimpleOnly));
		assertFalse("expect no nesting", validator.hasComplexObject(relationshipListCase));
		assertTrue("expect has nesting", validator.hasComplexObject(relationshipListCaseNesting));
		assertFalse("expect no nesting", validator.hasComplexObject(nothing));
	}
	
}