import React from 'react'
import PropTypes from 'prop-types'

import ErrorTip from '../error-tip'
import { requiredPropsLogger } from '../../util/required-props-logger'

import '../../styles/inputs.scss'
import './radio-input.scss'

class RadioGroup extends React.Component {
  state = {
    focused: false
  }

  onFocusIn = e => {
    if (e) {
      e.preventDefault()
    }
    this.setState({
      focused: true
    })

    if (this.props.onFocus) {
      this.props.onFocus(this.props.formId, this.props.name)
    }
  }

  onFocusOut = e => {
    if (e) {
      e.preventDefault()
    }
    this.setState({
      focused: false
    })

    if (this.props.onBlur) {
      this.props.onBlur(e)
    }
  }

  componentDidMount() {
    const requiredProps = ['name', 'options']
    const recommendedProps = ['onChange']

    requiredPropsLogger(this.props, requiredProps, recommendedProps, true)
  }

  render() {
    let {
      className,
      containerClass,
      error,
      formData,
      name,
      labelClass,
      legend,
      onBlur,
      onChange,
      options,
      suppressErrors,
      value,
      validateAs,
      ...props
    } = this.props
    let labelTextClasses = `Input-label-text ${labelClass ? labelClass : ''}`

    let attr = { ...props }

    if (props.required) {
      attr['aria-required'] = true
      attr.required = true
    }

    let err = error
    if (
      Object.keys(this.props).indexOf('error') === -1 &&
      formData &&
      Object.keys(formData).indexOf(name) > -1
    ) {
      err = formData[name].error
    }

    return (
      <fieldset className={containerClass}>
        {legend && <legend className='Input-legend'>{legend}</legend>}
        {options.map(opt => {
          const { label, id } = opt
          const clickForward = e => {
            e.preventDefault()
            document.getElementById(id).click()
          }

          if (
            Object.keys(this.props).indexOf('value') === -1 &&
            formData &&
            Object.keys(formData).indexOf(name) > -1
          ) {
            attr.value = formData[name].value
            attr.checked = formData[name].value === id
          } else {
            attr.value = value
            attr.checked = value === id
          }

          return (
            <label
              className='Input-label Input--radio-label Input-label--inline'
              htmlFor={name}
              onBlur={this.onFocusOut}
              onClick={clickForward}
              id={`${name}-label`}
              key={`radio-${name}-${id}`}
              onFocus={this.onFocusIn}
            >
              <input
                className={`Input Input--radio u-sr-only ${
                  className ? className : ''
                } ${error ? 'Input--invalid' : ''}`}
                data-validate={validateAs}
                id={id}
                name={name}
                onChange={onChange}
                type='radio'
                {...attr}
              />
              <div
                className={`Input--radio-placeholder non-sr-only ${
                  value === id ? 'is-checked' : ''
                }`}
              />
              <span className={labelTextClasses}>
                {label}
                {attr.required && (
                  <span>
                    {'\u00A0'}*<span className='u-sr-only'>
                      {' '}
                      required field
                    </span>
                  </span>
                )}
              </span>
            </label>
          )
        })}
        {err && !this.state.focused && !suppressErrors ? (
          <ErrorTip contents={err} />
        ) : (
          ''
        )}
      </fieldset>
    )
  }
}

RadioGroup.propTypes = {
  className: PropTypes.string,
  containerClass: PropTypes.string,
  error: PropTypes.string,
  formData: PropTypes.object,
  labelClass: PropTypes.string,
  legend: PropTypes.oneOfType([PropTypes.string, PropTypes.element]),
  name: PropTypes.string.isRequired,
  onBlur: PropTypes.func,
  onFocus: PropTypes.func,
  onChange: PropTypes.func,
  options: PropTypes.arrayOf(
    PropTypes.shape({
      id: PropTypes.string.isRequired,
      label: PropTypes.oneOfType([PropTypes.string, PropTypes.element])
        .isRequired
    })
  ).isRequired,
  required: PropTypes.bool,
  suppressErrors: PropTypes.bool,
  validateAs: PropTypes.string,
  value: PropTypes.string
}

export default RadioGroup