// @flow
import React, { PureComponent } from 'react'
import styled from 'react-emotion'
import { map, prop } from 'ramda'
import { space, themeGet } from 'styled-system'
import Box from '../Box'
import ErrorMessage from '../ErrorMessage'
import Label from '../Label'
import { DataDownArrow } from '../Icons'
import { isNotEmptyOrNotNil } from '../../utils'
import { type EventType, type InputType, type MetaType } from '../../types'

type Props = {
  input?: InputType,
  label: string,
  meta?: MetaType,
  noLabel?: boolean,
  onChange?: (e: EventType) => void,
  options?: Array<{
    label: string,
    value: ?string,
  }>,
  placeholder?: string,
}

class Select extends PureComponent<Props> {
  static defaultProps = {
    placeholder: null,
    options: [],
    meta: { touched: false, error: '' },
    noLabel: false,
    onChange: null,
    input: { name: null },
  }

  render() {
    const {
      input,
      label,
      meta,
      onChange,
      options,
      placeholder,
      noLabel,
      ...styles
    } = this.props
    return (
      // $FlowFixMe: Don't want to limit styled-system props
      <Box width="100%" {...styles}>
        <Label
          hidden={noLabel}
          htmlFor={prop('name', input)}
          textStyle="caps"
          mb={2}
        >
          {label}
        </Label>
        <Container m={0} width="100%">
          <Input
            id={prop('name', input)}
            name={prop('name', input)}
            onBlur={prop('onBlur', input)}
            onChange={onChange || prop('onChange', input)}
            onFocus={prop('onFocus', input)}
            px={3}
            py={2}
            value={prop('value', input)}
          >
            { placeholder !== '__skip__'
              && (
              <option value="">
                {placeholder}
              </option>
              )
            }
            {
              map(option => (
                <option key={option.value} value={option.value}>
                  {option.label}
                </option>
              ), options)
            }
          </Input>
        </Container>
        { prop('touched', meta) === true && isNotEmptyOrNotNil(prop('error', meta))
          && (
          <ErrorMessage
            message={prop('error', meta)}
          />
          )
        }
      </Box>
    )
  }
}

export default Select

//-----------------------------------------------

const Container = styled(Box)({
  borderRadius: 6,
  verticalAlign: 'middle',
  position: 'relative',
  height: 40,
  lineHeight: '40px',
  minWidth: 115,
  '::after': {
    backgroundImage:
        `url("data:image/svg+xml;charset=utf8,${DataDownArrow('%23000000')}")`,
    backgroundPosition: 'center',
    backgroundRepeat: 'no-repeat',
    transition: '.25s all ease',
    content: '""',
    position: 'absolute',
    top: 0,
    right: 16,
    bottom: 0,
    pointerEvents: 'none',
    width: 14,
  },
  '@media print': {
    border: '1px solid',
    '::after': {
      top: 1,
    },
  },
})

const Input = styled('select')(
  {
    cursor: 'pointer',
    width: '100%',
    height: '100%',
    border: 'none',
    fontSize: 14,
    WebkitAppearance: 'none',
    'fieldset[disabled] &': {
      cursor: 'default',
    },
  },
  props => ({
    backgroundColor: themeGet('colors.inputGray', '#F0F0F0')(props),
    color: themeGet('colors.black', '#000000')(props),
    fontSize: themeGet('fontSizes[1]', '12')(props),
    '&:focus': {
      outline: 0,
      backgroundColor: themeGet('colors.white', '#FFFFFF')(props),
      border: `solid 1px ${themeGet('colors.lighterGray', '#E6E7E8')(props)}`,
    },
    '::placeholder': {
      fontFamily: themeGet('primaryFont', 'Montserrat, -apple-system, sans-serif')(props),
    },
  }),
  space,
)