/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * 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.aai.sa.searchdbabstraction.elasticsearch.dao;

import org.onap.aai.sa.rest.ApiUtils;

public class ElasticSearchResultItem {

    public static final String REQUEST_URL = "REQUEST_URL";

    private ElasticSearchOperationStatus create;
    private ElasticSearchOperationStatus index;
    private ElasticSearchOperationStatus delete;

    public ElasticSearchOperationStatus getCreate() {
        return create;
    }

    public void setCreate(ElasticSearchOperationStatus index) {
        this.create = index;
    }

    public ElasticSearchOperationStatus getIndex() {
        return index;
    }

    public void setIndex(ElasticSearchOperationStatus index) {
        this.index = index;
    }

    public ElasticSearchOperationStatus getDelete() {
        return delete;
    }

    public void setDelete(ElasticSearchOperationStatus delete) {
        this.delete = delete;
    }

    public String operationType() {

        if (create != null) {
            return "create";
        }
        if (index != null) {
            return "update";
        }
        if (delete != null) {
            return "delete";
        }

        return "unknown";
    }

    public ElasticSearchOperationStatus operationStatus() {

        if (create != null) {
            return create;
        }
        if (index != null) {
            return index;
        }
        if (delete != null) {
            return delete;
        }

        return null;
    }


    public String toJson() {
        StringBuilder sb = new StringBuilder();

        sb.append("{");

        sb.append("\"operation\": \"").append(operationType()).append("\", ");

        if (operationStatus().getAdditionalProperties().containsKey(REQUEST_URL)) {
            sb.append("\"url\": \"").append(operationStatus().getAdditionalProperties().get(REQUEST_URL))
                    .append("\", ");
        } else {
            sb.append("\"url\": \"")
                    .append(ApiUtils.buildDocumentUri(operationStatus().getIndex(), operationStatus().getId()))
                    .append("\", ");
        }

        // We don't want to include an etag field in the response in
        // the case of a delete, since that would imply that the client
        // could still access that version of the file in some manner
        // (which we are not supporting).
        if (!operationType().equals("delete")) {
            sb.append("\"etag\": \"").append(operationStatus().getVersion()).append("\", ");
        }
        sb.append("\"status-code\": \"").append(operationStatus().getStatus()).append("\", ");

        sb.append("\"status-message\": \"");

        if ((operationStatus().getStatus() >= 200) && (operationStatus().getStatus() < 300)) {
            sb.append("OK");
        } else {
            // Sometimes the error object doesn't get populated, so check
            // before we try to reference it...
            if (operationStatus().getError() != null) {
                sb.append(operationStatus().getError().getReason());
            } else {
                sb.append("");
            }
        }
        sb.append("\"");
        sb.append("}");

        return sb.toString();
    }


    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();

        sb.append("ElasticSearchItemStatus [");
        if (create != null) {
            sb.append("create " + create);
        } else if (index != null) {
            sb.append("index " + index);
        } else if (delete != null) {
            sb.append("delete " + index);
        }
        sb.append("]");
        return sb.toString();
    }

}