/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2019 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.sdc.toscaparser.api;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import org.junit.jupiter.api.Test;
import org.onap.sdc.toscaparser.api.common.JToscaException;
import org.onap.sdc.toscaparser.api.common.JToscaValidationIssue;
import org.onap.sdc.toscaparser.api.utils.JToscaErrorCodes;
import org.onap.sdc.toscaparser.api.utils.ThreadLocalsHolder;

public class JToscaMetadataParse {

    @Test
    public void testMetadataParsedCorrectly() throws JToscaException {
        final File file = loadCsar("csars/csar_hello_world.csar");
        ToscaTemplate toscaTemplate = new ToscaTemplate(file.getAbsolutePath(), null, true, null);
        LinkedHashMap<String, Object> metadataProperties = toscaTemplate.getMetaProperties("TOSCA.meta");
        assertNotNull(metadataProperties);
        Object entryDefinition = metadataProperties.get("Entry-Definitions");
        assertNotNull(entryDefinition);
        assertEquals("tosca_helloworld.yaml", entryDefinition);
    }

    @Test
    public void noWarningsAfterParse() throws JToscaException {
        final File file = loadCsar("csars/tmpCSAR_Huawei_vSPGW_fixed.csar");
        ToscaTemplate toscaTemplate = new ToscaTemplate(file.getAbsolutePath(), null, true, null);
        int validationIssuesCaught = ThreadLocalsHolder.getCollector().validationIssuesCaught();
        assertTrue(validationIssuesCaught == 0);
    }

    @Test
    public void requiredInputErrorsAfterParse() throws JToscaException {
        final File file = loadCsar("csars/tmpCSAR_Huawei_vSPGW_without_required_inputs.csar");
        new ToscaTemplate(file.getAbsolutePath(), null, true, null);

        final Map<String, JToscaValidationIssue> validationIssues = ThreadLocalsHolder.getCollector()
            .getValidationIssues();
        final Collection<JToscaValidationIssue> actualValidationIssueList = validationIssues.values();

        final Collection<JToscaValidationIssue> expectedValidationIssueList = new ArrayList<>();
        final String errorCode = "JE003";
        final String errorFormat = "MissingRequiredFieldError: The required input \"%s\" was not provided";
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "nf_naming_code")));
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "nf_type")));
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "nf_role")));
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "min_instances")));
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "max_instances")));
        expectedValidationIssueList.add(new JToscaValidationIssue(errorCode
            , String.format(errorFormat, "nf_function")));

        assertThat("The actual and the expected validation issue lists should have the same size"
            , actualValidationIssueList, hasSize(expectedValidationIssueList.size())
        );

        assertThat("The actual and the expected validation issue lists should be the same"
            , actualValidationIssueList, containsInAnyOrder(expectedValidationIssueList.toArray(new JToscaValidationIssue[0]))
        );
    }

    @Test
    public void testEmptyCsar() throws JToscaException {
        final File file = loadCsar("csars/emptyCsar.csar");
        try {
            ToscaTemplate toscaTemplate = new ToscaTemplate(file.getAbsolutePath(), null, true, null);
        } catch (JToscaException e) {
            assertTrue(e.getCode().equals(JToscaErrorCodes.INVALID_CSAR_FORMAT.getValue()));
        }
        int validationIssuesCaught = ThreadLocalsHolder.getCollector().validationIssuesCaught();
        assertTrue(validationIssuesCaught == 0);
    }

    @Test
    public void testEmptyPath() throws JToscaException {
        String fileStr = JToscaMetadataParse.class.getClassLoader().getResource("").getFile();
        File file = new File(fileStr);
        try {
            ToscaTemplate toscaTemplate = new ToscaTemplate(file.getAbsolutePath(), null, true, null);
        } catch (JToscaException e) {
            assertTrue(e.getCode().equals(JToscaErrorCodes.PATH_NOT_VALID.getValue()));
        }
    }

    private File loadCsar(final String csarFilePath) {
        final URL resourceUrl = JToscaMetadataParse.class.getClassLoader().getResource(csarFilePath);
        assertNotNull(resourceUrl, String.format("Could not load CSAR file '%s'", csarFilePath));

        return new File(resourceUrl.getFile());
    }
}