/*!
 * Copyright (C) 2017 AT&T 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.
 */
import { other as optionInputOther } from 'nfvo-components/input/validation/InputOptions.jsx';

function getValueFromObject(element) {
    return (element.choices &&
        element.choices.length > 0 &&
        element.choices[0] !== '' &&
        element.choices[0] !== optionInputOther.OTHER) ||
        (element.other && element.choices[0] === optionInputOther.OTHER)
        ? element
        : undefined;
}

function getValueFromVariable(variable) {
    return variable ? variable : undefined;
}

function getArrayData(variable) {
    return variable.length ? variable : undefined;
}

let getValue = element => {
    return typeof element === 'object'
        ? element instanceof Array
          ? getArrayData(element)
          : getValueFromObject(element)
        : getValueFromVariable(element);
};

export function getStrValue(choiceObject) {
    if (!choiceObject) {
        return undefined;
    }
    if (
        choiceObject.choice &&
        choiceObject.choice !== '' &&
        choiceObject.choice !== optionInputOther.OTHER
    ) {
        return choiceObject.choice;
    } else if (
        choiceObject.other &&
        choiceObject.choice === optionInputOther.OTHER
    ) {
        return choiceObject.other;
    }
}

export default getValue;