/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2016-2018 Ericsson. 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.
 * 
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.apex.service.engine.parameters;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

import org.junit.Test;
import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.FILECarrierTechnologyParameters;
import org.onap.policy.apex.service.engine.main.ApexCommandLineArguments;
import org.onap.policy.apex.service.parameters.ApexParameterException;
import org.onap.policy.apex.service.parameters.ApexParameterHandler;
import org.onap.policy.apex.service.parameters.ApexParameters;

/**
 * Test for an empty parameter file
 * 
 * @author Liam Fallon (liam.fallon@ericsson.com)
 */
public class ProducerConsumerTests {
    @Test
    public void goodParametersTest() {
        final String[] args = {"-c", "src/test/resources/parameters/goodParams.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            final ApexParameters parameters = new ApexParameterHandler().getParameters(arguments);

            assertEquals("MyApexEngine", parameters.getEngineServiceParameters().getName());
            assertEquals("0.0.1", parameters.getEngineServiceParameters().getVersion());
            assertEquals(45, parameters.getEngineServiceParameters().getId());
            assertEquals(19, parameters.getEngineServiceParameters().getInstanceCount());
            assertEquals(65522, parameters.getEngineServiceParameters().getDeploymentPort());
            assertEquals("FILE", parameters.getEventOutputParameters().get("FirstProducer")
                    .getCarrierTechnologyParameters().getLabel());
            assertEquals("JSON",
                    parameters.getEventOutputParameters().get("FirstProducer").getEventProtocolParameters().getLabel());
            assertEquals("FILE", parameters.getEventOutputParameters().get("MyOtherProducer")
                    .getCarrierTechnologyParameters().getLabel());
            assertEquals("JSON", parameters.getEventOutputParameters().get("MyOtherProducer")
                    .getEventProtocolParameters().getLabel());
            assertEquals("FILE", parameters.getEventInputParameters().get("TheFileConsumer1")
                    .getCarrierTechnologyParameters().getLabel());
            assertEquals("JSON", parameters.getEventInputParameters().get("TheFileConsumer1")
                    .getEventProtocolParameters().getLabel());
            assertEquals("SUPER_DOOPER", parameters.getEventInputParameters().get("MySuperDooperConsumer1")
                    .getCarrierTechnologyParameters().getLabel());
            assertEquals("SUPER_TOK_DEL", parameters.getEventInputParameters().get("MySuperDooperConsumer1")
                    .getEventProtocolParameters().getLabel());
        } catch (final ApexParameterException e) {
            fail("This test should not throw an exception");
        }
    }

    @Test
    public void noCarrierTechnology() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsNoCT.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals("validation error(s) on parameters from \"src/test/resources/parameters/prodConsNoCT.json\"\n"
                    + "Apex parameters invalid\n" + " event input (aConsumer) parameters invalid\n"
                    + "  event handler carrierTechnologyParameters not specified or blank", e.getMessage());
        }
    }

    @Test
    public void noEventProcol() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsNoEP.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals("validation error(s) on parameters from \"src/test/resources/parameters/prodConsNoEP.json\"\n"
                    + "Apex parameters invalid\n" + " event input (aConsumer) parameters invalid\n"
                    + "  fileName not specified or is blank or null, it must be specified as a valid file location\n"
                    + " event output (aProducer) parameters invalid\n"
                    + "  event handler eventProtocolParameters not specified or blank", e.getMessage());
        }
    }

    @Test
    public void noCarrierTechnologyParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsNoCTParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsNoCTParClass.json\"\n"
                            + "(ApexParameterRuntimeException):carrier technology \"SUPER_DOOPER\" does not match plugin \"FILE\" in "
                            + "\"com.ericsson.apex.service.engine.event.impl.filecarrierplugin.FILECarrierTechnologyParameters\", "
                            + "specify correct carrier technology parameter plugin in parameter \"parameterClassName\"",
                    e.getMessage());
        }
    }

    @Test
    public void mismatchCarrierTechnologyParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsMismatchCTParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsMismatchCTParClass.json\"\n"
                            + "(ApexParameterRuntimeException):carrier technology \"SUPER_LOOPER\" does not match plugin \"SUPER_DOOPER\" in "
                            + "\"com.ericsson.apex.service.engine.parameters.dummyclasses.SuperDooperCarrierTechnologyParameters\", "
                            + "specify correct carrier technology parameter plugin in parameter \"parameterClassName\"",
                    e.getMessage());
        }
    }

    @Test
    public void wrongTypeCarrierTechnologyParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsWrongTypeCTParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsWrongTypeCTParClass.json\"\n"
                            + "(ApexParameterRuntimeException):could not create default parameters for carrier technology \"SUPER_DOOPER\"\n"
                            + "com.ericsson.apex.service.engine.parameters.dummyclasses.SuperTokenDelimitedEventProtocolParameters "
                            + "cannot be cast to com.ericsson.apex.service.parameters.carriertechnology.CarrierTechnologyParameters",
                    e.getMessage());
        }
    }

    @Test
    public void okFileNameCarrierTechnology() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsOKFileName.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            final ApexParameters parameters = new ApexParameterHandler().getParameters(arguments);
            final FILECarrierTechnologyParameters fileParams = (FILECarrierTechnologyParameters) parameters
                    .getEventOutputParameters().get("aProducer").getCarrierTechnologyParameters();
            assertEquals("/tmp/aaa.json", fileParams.getFileName());
            assertEquals(false, fileParams.isStandardError());
            assertEquals(false, fileParams.isStandardIO());
            assertEquals(false, fileParams.isStreamingMode());
        } catch (final ApexParameterException e) {
            fail("This test should not throw an exception");
        }
    }

    @Test
    public void badFileNameCarrierTechnology() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsBadFileName.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "validation error(s) on parameters from \"src/test/resources/parameters/prodConsBadFileName.json\"\n"
                            + "Apex parameters invalid\n" + " event output (aProducer) parameters invalid\n"
                            + "  fileName not specified or is blank or null, it must be specified as a valid file location",
                    e.getMessage());
        }
    }


    @Test
    public void badEventProtocolParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsBadEPParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsBadEPParClass.json\"\n"
                            + "(ApexParameterRuntimeException):event protocol \"SUPER_TOK_DEL\" does not match plugin \"JSON\" in "
                            + "\"com.ericsson.apex.service.engine.event.impl.jsonprotocolplugin.JSONEventProtocolParameters\", "
                            + "specify correct event protocol parameter plugin in parameter \"parameterClassName\"",
                    e.getMessage());
        }
    }

    @Test
    public void noEventProtocolParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsNoEPParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsNoEPParClass.json\"\n"
                            + "(ApexParameterRuntimeException):event protocol \"SUPER_TOK_DEL\" does not match plugin \"JSON\" in "
                            + "\"com.ericsson.apex.service.engine.event.impl.jsonprotocolplugin.JSONEventProtocolParameters\", "
                            + "specify correct event protocol parameter plugin in parameter \"parameterClassName\"",
                    e.getMessage());
        }
    }

    @Test
    public void mismatchEventProtocolParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsMismatchEPParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsMismatchEPParClass.json\"\n"
                            + "(ApexParameterRuntimeException):event protocol \"SUPER_TOK_BEL\" does not match plugin \"SUPER_TOK_DEL\" in "
                            + "\"com.ericsson.apex.service.engine.parameters.dummyclasses.SuperTokenDelimitedEventProtocolParameters\", "
                            + "specify correct event protocol parameter plugin in parameter \"parameterClassName\"",
                    e.getMessage());
        }
    }

    @Test
    public void wrongTypeEventProtocolParClass() {
        final String[] args = {"-c", "src/test/resources/parameters/prodConsWrongTypeEPParClass.json"};
        final ApexCommandLineArguments arguments = new ApexCommandLineArguments(args);

        try {
            new ApexParameterHandler().getParameters(arguments);
            fail("This test should throw an exception");
        } catch (final ApexParameterException e) {
            assertEquals(
                    "error reading parameters from \"src/test/resources/parameters/prodConsWrongTypeEPParClass.json\"\n"
                            + "(ApexParameterRuntimeException):could not create default parameters for event protocol \"SUPER_TOK_DEL\"\n"
                            + "com.ericsson.apex.service.engine.parameters.dummyclasses.SuperDooperCarrierTechnologyParameters "
                            + "cannot be cast to com.ericsson.apex.service.parameters.eventprotocol.EventProtocolParameters",
                    e.getMessage());
        }
    }
}