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/*!
 * Copyright © 2016-2017 European Support Limited
 *
 * 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.
 */

/**
 * Feature toggling decorator
 * 	usage:
 *
 * @featureToggle('FeatureName')
 * class Example extends React.Component {
 * 		render() {
 * 			return (<div>test feature</div>);
 * 		}
 * }
 *
 *  OR
 *
 * const TestFeature = () => (<div>test feature</div>)
 * export default featureToggle('FeatureName')(TestFeature)
 *
 */

import React from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';

export const FeatureComponent = props => {
    const { features = [], featureName, InnerComponent, ...otherProps } = props;
    const AComp = InnerComponent.AComp ? InnerComponent.AComp : InnerComponent;

    return !!features.find(el => el.name === featureName && el.active) ? (
        <AComp {...otherProps} />
    ) : InnerComponent.BComp ? (
        <InnerComponent.BComp {...otherProps} />
    ) : null;
};

FeatureComponent.propTypes = {
    features: PropTypes.array,
    featureName: PropTypes.string.isRequired
};

export default function featureToggle(featureName) {
    return InnerComponent => {
        return connect(({ features }) => {
            return { features, featureName, InnerComponent };
        })(FeatureComponent);
    };
}