/*============LICENSE_START=======================================================
 org.onap.dcae
 ================================================================================
 Copyright (c) 2020 Nokia 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.blueprintgenerator.models.blueprint.tls;

import static org.onap.blueprintgenerator.common.blueprint.BlueprintHelper.createInputValue;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.CA_NAME_FIELD;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.CERT_DIRECTORY_FIELD;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.CERT_TYPE_FIELD;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.DEFAULT_CA;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.DEFAULT_CERT_TYPE;
import static org.onap.blueprintgenerator.models.blueprint.tls.TlsConstants.USE_EXTERNAL_TLS_FIELD;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.TreeMap;
import org.onap.blueprintgenerator.models.blueprint.tls.api.ExternalCertificateDataFactory;
import org.onap.blueprintgenerator.models.blueprint.tls.impl.ExternalTlsInfo;
import org.onap.blueprintgenerator.models.componentspec.ComponentSpec;

/**
 * Factory class for providing ExternalTlsInfo data. Allow to get ExternalTlsInfo Object and Inputs list.
 */
public class ExternalTlsInfoFactory extends ExternalCertificateDataFactory {

    private ExternalCertificateParametersFactory externalCertificateParametersFactory;

    /**
     * Constructor for ExternalTlsInfoFactory
     *
     * @param externalCertificateDataFactory Factory providing external certificate parameters.
     */
    public ExternalTlsInfoFactory(ExternalCertificateParametersFactory externalCertificateDataFactory) {
        this.externalCertificateParametersFactory = externalCertificateDataFactory;
    }

    /**
     * Create ExternalTlsInfo from ComponentSpec Object
     *
     * @param cs ComponentSpec Object
     * @return ExternalTlsInfo Object
     */
    public ExternalTlsInfo createFromComponentSpec(ComponentSpec cs) {
        ExternalTlsInfo externalTlsInfoBp = new ExternalTlsInfo();
        TreeMap<String, Object> tlsInfoCs = cs.getAuxilary().getTls_info();

        externalTlsInfoBp.setExternalCertDirectory((String) tlsInfoCs.get(CERT_DIRECTORY_FIELD));
        externalTlsInfoBp.setUseExternalTls(createPrefixedGetInput(USE_EXTERNAL_TLS_FIELD));
        externalTlsInfoBp.setCaName(createPrefixedGetInput(CA_NAME_FIELD));
        externalTlsInfoBp.setCertType(createPrefixedGetInput(CERT_TYPE_FIELD));
        externalTlsInfoBp.setExternalCertificateParameters(externalCertificateParametersFactory.create());

        return externalTlsInfoBp;
    }

    /**
     * Create input list from ComponentSpec Object
     *
     * @param cs ComponentSpec Object
     * @return Input list
     */
    public Map<String, LinkedHashMap<String, Object>> createInputListFromComponentSpec(ComponentSpec cs) {
        Map<String, LinkedHashMap<String, Object>> retInputs = new HashMap<>();

        Map<String, Object> externalTlsInfoCs = cs.getAuxilary().getTls_info();
        LinkedHashMap<String, Object> useTlsFlagInput = createInputValue("boolean",
            "Flag to indicate external tls enable/disable.",
            externalTlsInfoCs.get(USE_EXTERNAL_TLS_FIELD));
        retInputs.put(addPrefix(USE_EXTERNAL_TLS_FIELD), useTlsFlagInput);

        LinkedHashMap<String, Object> caNameInputMap = createInputValue("string",
            "Name of Certificate Authority configured on CertService side.",
            DEFAULT_CA);
        retInputs.put(addPrefix(CA_NAME_FIELD), caNameInputMap);

        LinkedHashMap<String, Object> certTypeInputMap = createInputValue("string",
            "Format of provided certificates",
            DEFAULT_CERT_TYPE);
        retInputs.put(addPrefix(CERT_TYPE_FIELD), certTypeInputMap);

        retInputs.putAll(externalCertificateParametersFactory.createInputList());
        return retInputs;
    }

}