/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * 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.core.utilities.json;

import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Assert;
import org.junit.Test;
import org.openecomp.core.utilities.file.FileUtils;

public class JsonSchemaDataGeneratorTest {

    private static final String SCHEMA_WITHOUT_DEFAULTS =
            readFromFile("jsonUtil/json_schema/aSchema.json");

    private static final String SCHEMA_WITH_REFS_AND_DEFAULTS =
            readFromFile("jsonUtil/json_schema/schemaWithRefsAndDefaults.json");

    private static final String SCHEMA_WITH_INVALID_DEFAULT =
            readFromFile("jsonUtil/json_schema/schemaWithInvalidDefault.json");

    private static final String SCHEMA_NIC =
            readFromFile("jsonUtil/json_schema/nicSchema.json");

    @Test
    public void testSchemaWithoutDefaults() {
        testGenerate(SCHEMA_WITHOUT_DEFAULTS, new JSONObject());
    }

    @Test
    public void testSchemaWithRefsAndDefaults() {
        testGenerate(SCHEMA_WITH_REFS_AND_DEFAULTS,
                new JSONObject("{\"cityOfBirth\":\"Tel Aviv\",\"address\":{\"city\":\"Tel Aviv\"},"
                        + "\"houseNumber\":1,\"pincode\":111111,"
                        + "\"phoneNumber\":[{\"code\":1,\"location\":\"Home\"},{\"code\":2,\"location\":\"Office\"}]}"));
    }

    @Test(expected = JSONException.class)
    public void testSchemaWithInvalidDefault() {
        testGenerate(SCHEMA_WITH_INVALID_DEFAULT, null);
    }

    @Test
    public void testNicQuestionnaireSchema() {
        testGenerate(SCHEMA_NIC,
                new JSONObject("{\"ipConfiguration\":{\"ipv4Required\":true,\"ipv6Required\":false}}"));
    }

    @Test(expected = IllegalArgumentException.class)
    public void testConstructorException() {
        Assert.assertNull(new JsonSchemaDataGenerator(null));
    }

    private void testGenerate(String schema, JSONObject expectedData) {
        JsonSchemaDataGenerator jsonSchemaDataGenerator = new JsonSchemaDataGenerator(schema);
        jsonSchemaDataGenerator.setIncludeDefaults(true);
        String data = jsonSchemaDataGenerator.generateData();
        JSONObject dataJson = new JSONObject(data);
        Assert.assertTrue(expectedData.similar(dataJson));
    }

    private static String readFromFile(String filename) {
        return FileUtils.readViaInputStream(filename, stream -> new String(FileUtils.toByteArray(stream)));
    }
}