import React from 'react';
import PropTypes from 'prop-types';
import { length } from 'stringz';

export default class CharacterCounter extends React.PureComponent {

  static propTypes = {
    text: PropTypes.string.isRequired,
    max : PropTypes.number.isRequired,
  };

  checkRemainingText(textlength, max) {
    const diff = this.props.max - textlength;
    if (diff < 0) {
      return <span className='character-counter character-counter--over'>{diff}</span >;
    }

    return <span className='character-counter'>{textlength} / {max}</span >;
  }

  render() {

    const leng = length(this.props.text);
    return this.checkRemainingText(leng, this.props.max);
  }

}