/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2018, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is 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.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/

import CSV from 'comma-separated-values';
import {saveAs} from 'file-saver/FileSaver';

class CSVExporter {
    export(rows, options) {
        let headers = (options && options.headers) ||
            (Object.keys((rows[0] || {})).sort());
        let filename = (options && options.filename) || "export.csv";
        let csvText = new CSV(rows, { header: headers }).encode();
        let blob = new Blob([csvText], { type: "text/csv" });
        saveAs(blob, filename);
    }
}

export default CSVExporter;