/*
 *  ============LICENSE_START=======================================================
 *  Copyright (C) 2021-2022 Nordix Foundation
 *  ================================================================================
 *  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.cps.ncmp.api.impl.operations;

import com.google.common.base.Strings;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.client.DmiRestClient;
import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Service;

@Slf4j
@RequiredArgsConstructor
@Service
public class DmiOperations {

    @Getter
    public enum DataStoreEnum {
        PASSTHROUGH_OPERATIONAL("ncmp-datastore:passthrough-operational"),
        PASSTHROUGH_RUNNING("ncmp-datastore:passthrough-running");
        private String value;

        DataStoreEnum(final String value) {
            this.value = value;
        }
    }

    protected final YangModelCmHandleRetriever yangModelCmHandleRetriever;
    protected final JsonObjectMapper jsonObjectMapper;
    protected final NcmpConfiguration.DmiProperties dmiProperties;
    protected final DmiRestClient dmiRestClient;

    static final String URL_SEPARATOR = "/";

    String getCmHandleUrl(final String dmiServiceName, final String cmHandle) {
        return dmiServiceName
            + dmiProperties.getDmiBasePath()
            + URL_SEPARATOR
            + "v1"
            + URL_SEPARATOR
            + "ch"
            + URL_SEPARATOR
            + cmHandle
            + URL_SEPARATOR;
    }

    String getDmiResourceUrl(final String dmiServiceName, final String cmHandle, final String resourceName) {
        return getCmHandleUrl(dmiServiceName, cmHandle) + resourceName;
    }

    static String appendOptionsQuery(final String url, final String optionsParamInQuery) {
        if (Strings.isNullOrEmpty(optionsParamInQuery)) {
            return url;
        }
        return url + "&options=" + optionsParamInQuery;
    }

    static HttpHeaders prepareHeader(final String acceptParam) {
        final var httpHeaders = new HttpHeaders();
        httpHeaders.set(HttpHeaders.ACCEPT, acceptParam);
        return httpHeaders;
    }

}