import React, {Component} from 'react';
import PropTypes from 'prop-types';

export default class Redraw extends Component {
    constructor(props) {
        super(props);

        this.infoMessages = {
            warning: 'You cannot use Redraw to return an array of children in v.15.x.x',
        };

        this.state = {
            redrawState: true,
        };
    }

    componentWillMount() {
        const { children } = this.props;
        const { warning } = this.infoMessages;

        if (children instanceof Array) {
            throw new SyntaxError(warning);
        }
    }

    componentWillReceiveProps() {
        this.redrawElement(false);
    }

    shouldComponentUpdate(nextProps, nextState) {
        const { redrawState } = this.state;

        if (nextState.redrawState === redrawState) {
            return false;
        }
        return true;
    }

    componentDidUpdate() {
        this.redrawElement(true);
    }

    redrawElement = (force) => {
        this.setState({
            redrawState: force,
        });
    };

    render() {
        const { children } = this.props;
        const { redrawState } = this.state;

        return (
            redrawState && children
        );
    }
}

Redraw.defaultProps = {
    backup: false,
};

Redraw.propTypes = {
    backup: PropTypes.bool,
};