/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * 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.onap.so.bpmn.core.json;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.Map;

import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.camunda.bpm.engine.runtime.Execution;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mock;
import org.onap.so.exceptions.ValidationException;

public class JsonUtilsTest {

	@Mock public DelegateExecution execution;
	@Mock public Execution mockEexecution;
	private final String fileLocation = "src/test/resources/json-examples/";

	@Rule
	public ExpectedException expectedException = ExpectedException.none();	
	
	@Test
	public void jsonStringToMapTest() throws IOException {

		JsonUtils utils = new JsonUtils();
		String response = this.getJson("SDNCServiceResponseExample.json");
		String entry = JsonUtils.getJsonValue(response, "SDNCServiceResponse.params");
		Map<String, String> map = utils.jsonStringToMap(execution, entry);
		assertEquals(map.get("e2e-vpn-key"), "my-key");
	}

	@Test
	public void entryArrayToMapTest() throws IOException {
		JsonUtils utils = new JsonUtils();
		String response = this.getJson("SNIROExample.json");
		String entry = JsonUtils.getJsonValue(response, "solutionInfo.placementInfo");
		JSONArray arr = new JSONArray(entry);
		JSONObject homingDataJson = arr.getJSONObject(0);
		JSONArray assignmentInfo = homingDataJson.getJSONArray("assignmentInfo");
		Map<String, String> map = utils.entryArrayToMap(execution, assignmentInfo.toString(), "variableName", "variableValue");
		assertEquals(map.get("cloudOwner"), "att-aic");
	}
	@Test
	public void entryArrayToMapStringTest() throws IOException {
		JsonUtils utils = new JsonUtils();
		String response = this.getJson("SNIROExample.json");
		String entry = JsonUtils.getJsonValue(response, "solutionInfo.placementInfo");
		JSONArray arr = new JSONArray(entry);
		JSONObject homingDataJson = arr.getJSONObject(0);
		JSONArray assignmentInfo = homingDataJson.getJSONArray("assignmentInfo");
		Map<String, String> map = utils.entryArrayToMap(assignmentInfo.toString(), "variableName", "variableValue");
		assertEquals(map.get("cloudOwner"), "att-aic");
	}	
	@Test
	public void getJsonRootPropertyTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		assertEquals("SDNCServiceResponse",JsonUtils.getJsonRootProperty(response));
	}	
	@Test
	public void getJsonRootProperty_ExceptionTest() throws IOException {
		expectedException.expect(JSONException.class);
		String response = this.getJson("SNIROExample.json");
		String root = JsonUtils.getJsonRootProperty(response);
	}
	@Test
	public void getJsonNodeValueTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		String code = JsonUtils.getJsonNodeValue(response,"SDNCServiceResponse.responseCode");
		assertEquals("200", code); 
	}	
	@Test
	public void  stringArrayToList_jsonStringTest() throws IOException {
		String response = this.getJson("SNIROExample.json");
		String licenseInfo = JsonUtils.getJsonNodeValue(response,"solutionInfo.licenseInfo");
		JsonUtils utils = new JsonUtils();
		List<String> listString = utils.StringArrayToList(licenseInfo);
		assertNotNull(listString.get(0)); 
	}	
	@Test
	public void  stringArrayToList_JSONArrayTest() throws IOException {
		String response = this.getJson("SNIROExample.json");
		String licenseInfo = JsonUtils.getJsonNodeValue(response,"solutionInfo.licenseInfo");
		JSONArray jsonArray = new JSONArray(licenseInfo);
		JsonUtils utils = new JsonUtils();
		List<String> listString = utils.StringArrayToList(jsonArray);
		assertNotNull(listString.get(0)); 
	}	
	@Test
	public void  stringArrayToList_withExecutionTest() throws IOException {
		String response = this.getJson("SNIROExample.json");
		String licenseInfo = JsonUtils.getJsonNodeValue(response,"solutionInfo.licenseInfo");
		JsonUtils utils = new JsonUtils();
		List<String> listString = utils.StringArrayToList(mockEexecution, licenseInfo);
		assertNotNull(listString.get(0)); 
	}
	@Test
	public void jsonElementExist_trueTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		boolean isExist = JsonUtils.jsonElementExist(response,"SDNCServiceResponse.responseCode");
		assertEquals(true, isExist); 
	}
	@Test
	public void jsonElementExist_falseTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		boolean isExist = JsonUtils.jsonElementExist(response,"SDNCServiceResponse.responseX");
		assertEquals(false, isExist); 
	}
	@Test
	public void jsonElementExist_NullTest() throws IOException  {
		String response = this.getJson("SDNCServiceResponseExample.json");
		boolean isExist = JsonUtils.jsonElementExist(response, null);
		assertEquals(true, isExist);
	}	
	@Test
	public void jsonSchemaValidation_ExceptionTest() throws IOException, ValidationException  {
		expectedException.expect(ValidationException.class);
		String response = this.getJson("SDNCServiceResponseExample.json");
		String isExist = JsonUtils.jsonSchemaValidation(response, fileLocation);
	}	
	@Test
	public void getJsonIntValueTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		int intValue = JsonUtils.getJsonIntValue(response,"SDNCServiceResponse.responseCode");
		assertEquals(0, intValue); 
	}
	@Test
	public void getJsonBooleanValueTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		boolean isBoolean = JsonUtils.getJsonBooleanValue(response,"SDNCServiceResponse.responseCode");
		assertEquals(false, isBoolean); 
	}	
	@Test
	public void prettyJsonTest() throws IOException {
		String response = this.getJson("SNIROExample.json");
		assertNotNull(JsonUtils.prettyJson(response));
		String malformedJson = "{\"name\" \"myName\"}";
		assertNull(JsonUtils.prettyJson(malformedJson));
	}
	@Test
	public void xml2jsonTest() throws IOException {
		String expectedJson = "{\"name\":\"myName\"}";
		String xml = "<name>myName</name>";
		assertEquals(expectedJson, JsonUtils.xml2json(xml,false));
	}	
	@Test
	public void xml2jsonErrorTest() throws IOException {
		String malformedXml = "<name>myName<name>";
		assertNull(JsonUtils.xml2json(malformedXml));
	}
	@Test
	public void json2xmlTest() throws IOException {
		String expectedXml = "<name>myName</name>";
		String malformedJson = "{\"name\":\"myName\"}";
		assertEquals(expectedXml, JsonUtils.json2xml(malformedJson, false));
	}
	@Test
	public void json2xmlErrorTest() throws IOException {
		String malformedJson = "{\"name\" \"myName\"}";
		assertNull(JsonUtils.json2xml(malformedJson));
	}
	@Test
	public void getJsonValueErrorTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		assertNull(JsonUtils.getJsonValue(response,null)); 
	}
	@Test
	public void getJsonNodeValueErrorTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		assertNull(JsonUtils.getJsonNodeValue(response,null)); 
	}
	@Test
	public void getJsonIntValueErrorTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		assertEquals(0, JsonUtils.getJsonIntValue(response,null));
	}
	@Test
	public void getJsonBooleanValueErrorTest() throws IOException {
		String response = this.getJson("SDNCServiceResponseExample.json");
		assertEquals(false, JsonUtils.getJsonBooleanValue(response,null));
	}
	@Test
	public void getJsonValueForKeyErrorTest() throws IOException {
		String malformedJson = "{\"name\" \"myName\"}";
		assertNull(JsonUtils.getJsonValueForKey(malformedJson, "name"));
	}
	@Test
	public void updJsonValueTest() throws IOException {
		String expectedJson = "{\"name\": \"yourName\"}";
		String json = "{\"name\":\"myName\"}";
		assertEquals(expectedJson, JsonUtils.updJsonValue(json, "name", "yourName"));
	}
	@Test
	public void updJsonValueErrorTest() throws IOException {
		String expectedJson = "{\"name\" \"myName\"}";
		String json = "{\"name\" \"myName\"}";
		assertEquals(expectedJson, JsonUtils.updJsonValue(json, "name", "yourName"));
	}
	
	private String getJson(String filename) throws IOException {
		return new String(Files.readAllBytes(Paths.get(fileLocation + filename)));
	}
}