/*****************************************************************************
 * 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.
 *****************************************************************************/
define(function () {
    function TableColumn(openmct, telemetryObject, metadatum) {
        this.openmct = openmct;
        this.telemetryObject = telemetryObject;
        this.metadatum = metadatum;
        this.formatter = openmct.telemetry.getValueFormatter(metadatum);

        this.titleValue = this.metadatum.name;
    }

    TableColumn.prototype.title = function (title) {
        if (arguments.length > 0) {
            this.titleValue = title;
        }
        return this.titleValue;
    };

    TableColumn.prototype.isCurrentTimeSystem = function () {
        var isCurrentTimeSystem = this.metadatum.hints.hasOwnProperty('domain') &&
        this.metadatum.key === this.openmct.time.timeSystem().key;

        return isCurrentTimeSystem;
    };

    TableColumn.prototype.hasValue = function (telemetryObject, telemetryDatum) {
        var keyStringForDatum = this.openmct.objects.makeKeyString(telemetryObject.identifier);
        var keyStringForColumn = this.openmct.objects.makeKeyString(this.telemetryObject.identifier);
        return keyStringForDatum === keyStringForColumn && telemetryDatum.hasOwnProperty(this.metadatum.source);
    };

    TableColumn.prototype.getValue = function (telemetryDatum, limitEvaluator) {
        var alarm = limitEvaluator &&
                    limitEvaluator.evaluate(telemetryDatum, this.metadatum);
        var value = {
            text: this.formatter.format(telemetryDatum),
            value: this.formatter.parse(telemetryDatum)
        };

        if (alarm) {
            value.cssClass = alarm.cssClass;
        }
        return value;
    };

    return TableColumn;
});