/*-
 * ============LICENSE_START=======================================================
 * ONAP-PDP-REST
 * ================================================================================
 * Copyright (C) 2018 AT&T Intellectual Property. 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.policy.pdp.rest.api.utils.test;


import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonObject;
import org.json.JSONObject;
import org.junit.Test;
import org.onap.policy.pdp.rest.api.utils.PolicyApiUtils;

public class PolicyApiUtilsTest {

    @Test
    public void testValidateDirectoryJsonFields() {

        String dictonaryAction = "Action";

        JsonObject jsonObjAttrGood = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").build();

        JsonObject jsonObjAttrNull = Json.createObjectBuilder().add("attributeName", "").build();
        JsonObject jsonObjAttrBad =
                Json.createObjectBuilder().add("attributeName", "succ ess").build();
        JsonObject jsonObjectMissingAttrName = Json.createObjectBuilder().add("foo", "bar").build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGood, dictonaryAction)
                .contains("success"));
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrNull, dictonaryAction)
                .contains("No Attribute Name provided"));
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrBad, dictonaryAction)
                .contains("Invalid Attribute Name"));
        assertTrue(PolicyApiUtils
                .validateDictionaryJsonFields(jsonObjectMissingAttrName, dictonaryAction)
                .contains("Missing attributeName"));

        /* "type" parameter variations. */
        JsonObject jsonObjAttrGoodTemp = jsonObjAttrGood;

        // null/empty type
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("No Type provided"));

        // missing type
        jsonObjAttrGoodTemp =
                Json.createObjectBuilder().add("attributeName", "success").add("method", "GET")
                        .add("url", "http://foobar.com").add("body", "foobody").build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Missing type key in the dictionaryJson parameter"));

        // invalid type
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "INVALID").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Invalid Type value"));

        /* "method" parameter variations. */
        jsonObjAttrGoodTemp = jsonObjAttrGood;

        // null/empty method
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("No Method provided"));

        // missing method
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("url", "http://foobar.com").add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Missing method key in the dictionaryJson parameter"));

        // valid method
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("success"));

        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "PUT").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("success"));

        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "POST").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("success"));


        // invalid method
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "INVALID").add("url", "http://foobar.com")
                .add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Invalid Method value"));

        /* url parameter variations */
        jsonObjAttrGoodTemp = jsonObjAttrGood;

        // null/empty url
        jsonObjAttrGoodTemp =
                Json.createObjectBuilder().add("attributeName", "success").add("type", "REST")
                        .add("method", "GET").add("url", "").add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("No URL provided"));

        // missing url
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("body", "foobody").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Missing url key in the dictionaryJson parameter"));

        /* body parameter variations */
        jsonObjAttrGoodTemp = jsonObjAttrGood;

        // null body
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("No Body provided"));

        // missing body
        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com").build();
        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Missing body key in the dictionaryJson parameter"));

        /* headers parameter variations */
        JsonObject jsonObjOption;
        JsonObject jsonObjNumber;
        JsonArray jsonArrayHeaders;

        // missing number headers
        jsonObjOption = Json.createObjectBuilder().add("option", "foobar").build();
        // jsonObjNumber = Json.createObjectBuilder().add("number","foobar").build();

        jsonArrayHeaders = Json.createArrayBuilder().add(jsonObjOption)
                // .add(jsonObjNumber)
                .build();

        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").add("headers", jsonArrayHeaders).build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains(
                        "Missing number key in the headers list of the dictionaryJson parameter."));

        // missing options headers
        jsonObjOption = Json.createObjectBuilder().add("option", "foobar").build();
        jsonObjNumber = Json.createObjectBuilder().add("number", "foobar").build();

        jsonArrayHeaders = Json.createArrayBuilder()
                // .add(jsonObjOption)
                .add(jsonObjNumber).build();

        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").add("headers", jsonArrayHeaders).build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains(
                        "Missing option key in the headers list of the dictionaryJson parameter."));

        // null option
        jsonObjOption = Json.createObjectBuilder().add("option", "").build();
        jsonObjNumber = Json.createObjectBuilder().add("number", "foobar").build();

        jsonArrayHeaders = Json.createArrayBuilder().add(jsonObjOption).add(jsonObjNumber).build();

        jsonObjAttrGoodTemp = Json.createObjectBuilder().add("attributeName", "success")
                .add("type", "REST").add("method", "GET").add("url", "http://foobar.com")
                .add("body", "foobody").add("headers", jsonArrayHeaders).build();

        assertTrue(PolicyApiUtils.validateDictionaryJsonFields(jsonObjAttrGoodTemp, dictonaryAction)
                .contains("Missing required Option value"));

        // null number can't be tested
    }

    @Test
    public void testStringToJsonObject() {
        String jsonString = "{\"foo\":\"bar\"}";
        JsonObject obj = PolicyApiUtils.stringToJsonObject(jsonString);
        assertTrue(obj.get("foo").toString().equals("\"bar\""));
    }

    @Test
    public void testIsNumeric() {
        assertFalse(PolicyApiUtils.isNumeric("notNumeric"));
        assertTrue(PolicyApiUtils.isNumeric("2"));
    }
}