import BaseInput, { Stylable } from './base/input';
import { Subscriber } from 'react-broadcast';
import Baseline from '../baseline';
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import styled from 'styled-components';
import IconButton from '../icon-button';
import unitcalc from 'unitcalc';
import { PlusIcon, MinusIcon } from '../icons';

const StyledContainer = styled.div`
  margin-bottom: ${unitcalc(4)};
`;

const StyledNumberInput = styled(Baseline(BaseInput(Stylable('input'))))`
  width: ${unitcalc(20)};
  margin: 0 ${unitcalc(1)} 0 0;
  vertical-align: middle;
`;

/**
 * @example ./usage-number-input.md
 */
const NumberInput = ({ value, ...rest }) => {
  const render = value =>
    <StyledContainer>
      <StyledNumberInput value={value} />
      <IconButton onClick={() => {}}>
        <MinusIcon verticalAlign="middle" />
      </IconButton>
      <IconButton onClick={() => {}}>
        <PlusIcon verticalAlign="middle" />
      </IconButton>
    </StyledContainer>;

  return (
    <Subscriber channel="input-group">
      {render}
    </Subscriber>
  );
};

NumberInput.propTypes = {
  value: PropTypes.number,
  minValue: PropTypes.number,
  maxValue: PropTypes.number,
  onChange: PropTypes.func
};

export default Baseline(NumberInput);