import React from 'react';
import PropTypes from 'prop-types';
import styled from 'styled-components';
import Icon from '../../Icon';

const Header = styled.div`
  max-width: ${props => (props?.specialWidth ? props.specialWidth : 400)}px;
  min-width: 100px;
  width: ${props => (props.specialWidth ? props.specialWidth + 'px' : '100%')};
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-bottom: 5px;
`;

const Left = styled.span`
  color: ${props => props.theme.colors.secondary};
  font-family: ${props => props.theme.fonts.text};
  font-weight: 600;
  font-size: 15px;
`;

const Right = styled.span`
  color: ${props => props.theme.colors.secondary};
  font-family: ${props => props.theme.fonts.text};
  font-size: 14px;
  font-weight: 400;
`;

const Label = styled.span`
  position: absolute;
  user-select: none;
  top: -6px;
  left: 0px;
  display: flex;
  border-color: ${props => props.theme.colors.grey.v200};
  width: 100%;
  max-height: 100%;
  color: ${props => props.theme.colors.secondary};
  cursor: ${props => (props.disabled ? 'not-allowed' : 'text')};
  transition:
    color 0.2s ease 0s,
    font-size 0.2s ease 0s,
    line-height 0.2s ease 0s,
    left 0.2s ease 0s,
    width 0.2s ease 0s;
  font-family: ${props => props.theme.fonts.text};
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
  z-index: 1;

  &:before {
    margin-right: 4px;
    border-left: 2px solid transparent;
    border-radius: 6px 0px;
  }

  &:after {
    -webkit-box-flex: 1;
    flex-grow: 1;
    margin-left: 4px;
    border-right: 2px solid transparent;
    border-radius: 0px 6px;
  }

  &:before,
  :after {
    content: '';
    display: block;
    box-sizing: border-box;
    margin-top: 6px;
    top: -6px;
    border-top: 2px solid ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)};
    min-width: 10px;
    height: 8px;
    pointer-events: none;
    box-shadow: transparent 0px 1px inset;
    transition:
      border-color 0.2s ease 0s,
      box-shadow 0.2s ease 0s;
  }
`;

const Container = styled.label`
  font-family: ${props => props.theme.fonts.text};
  max-width: ${props => (props.specialWidth ? props.specialWidth : 400)}px;
  width: ${props => (props.specialWidth ? props.specialWidth + 'px' : '100%')};
  font-style: normal;
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  position: relative;
  display: inline-block;
  min-width: 100px;
  min-height: 44px;
  outline: none;
  display: ${props => (props.unit ? 'flex' : 'block')};

  & :first-child:not(:focus):placeholder-shown + ${Label} {
    font-size: inherit;
    line-height: 56px;
    width: calc(100% - ${props => (props.prefix ? props.prefix.length * 6 + 20 : props.icon ? 41 : 0)}px);
    left: ${props => (props.prefix ? props.prefix.length * 6 + 20 : props.icon ? 41 : 0)}px;
  }

  & :not(:focus):placeholder-shown + ${Label} {
    border-top-color: ${props => props.theme.colors.grey.v200};
  }

  & :first-child:not(:focus):placeholder-shown + ${Label}:after {
    border-top-color: transparent;
  }

  & :first-child:not(:focus):placeholder-shown + ${Label}:before {
    border-top-color: transparent;
  }
`;

const InputUnit = styled.span.attrs({
  className: 'InputUnit'
})`
  z-index: 10;
  position: relative;
  display: flex;
  align-items: center;
  padding: 8px;
  font-size: 14px;
  font-family: ${props => props.theme.fonts.text};
  color: ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)};
  background: ${props => props.theme.colors.white};
  border: 2px solid ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)};
  border-left: none;
  transition:
    border 0.2s ease 0s,
    box-shadow 0.2s ease 0s;
  border-radius: 0 6px 6px 0;
`;

const Logo = styled.div`
  position: absolute;
  display: flex;
  -webkit-box-align: center;
  align-items: center;
  cursor: ${props => (props.disabled ? 'not-allowed' : 'text')};

  ${props =>
    !props.right
      ? `
				left: ${props.prefix ? '4px' : '16px'};
				width: 20px;
				height: 20px;
				top: 14px;
		`
      : `
				right: ${props.suffix ? '4px' : '16px'};
				width: 24px;
				height: 24px;
				top: 12px;
		`}

  ${props =>
    props.onClick &&
    `
				cursor: pointer;
		`}
`;

const Root = styled.div`
  font-family: ${props => props.theme.fonts.text};
  box-sizing: border-box;
  margin: 0px;
  border-width: 2px;
  border-style: solid;
  cursor: ${props => (props.disabled ? 'not-allowed' : 'text')};
  border-image: initial;
  border-color: ${props =>
      props.headerExist ? (props.error ? props.theme.colors.red : props.theme.colors.grey.v200) : 'transparent'}
    ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)}
    ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)};
  border-radius: ${props => (props.unit ? '6px 0px 0px 6px' : '6px')};
  width: 100%;
  height: inherit;
  color: ${props => props.theme.colors.secondary};
  background-color: ${props => props.theme.colors.white};
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  caret-color: ${props => props.theme.colors.secondary};
  transition:
    border 0.2s ease 0s,
    box-shadow 0.2s ease 0s;
  overflow: visible;

  padding-top: 12px;
  padding-right: 12px;
  padding-bottom: 12px;
  padding-left: ${props => (props.prefix ? `${props.prefix.length * 6 + 15}px` : props.icon ? '51px' : '13px')};

  ${props =>
    props.disabled &&
    `
        background-color: ${props.theme.colors.grey['grey-50']};
        opacity: 0.3;
    `}

  &:not(:focus):placeholder-shown {
    border-top-color: ${props => (props.error ? props.theme.colors.red : props.theme.colors.grey.v200)};
  }

  &:focus {
    border-color: ${props => (props.headerExist ? props.theme.colors.secondary : 'transparent')}
      ${props => props.theme.colors.secondary} ${props => props.theme.colors.secondary};
    outline: none;
  }

  &:focus ~ ${InputUnit} {
    border: 2px solid ${props => props.theme.colors.secondary};
    border-left: transparent;

    color: ${props => props.theme.colors.secondary};
  }

  &:focus + ${Label} {
    color: ${props => props.theme.colors.secondary};
    top: -6px;
  }

  &:focus + ${Label}:before {
    border-top-color: ${props => props.theme.colors.secondary};
  }

  &:focus + ${Label}:after {
    border-top-color: ${props => props.theme.colors.secondary};
  }
`;

const Footer = styled.div.attrs({
  className: 'footer'
})`
  margin-top: 5px;
  font-family: ${props => props.theme.fonts.text};
  font-style: normal;
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  color: ${props => props.theme.colors.red};
`;

const Prefix = styled.span`
  font-family: ${props => props.theme.fonts.text};
  font-style: normal;
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  color: ${props => props.theme.colors.grey.v500};
  background: ${props => props.theme.colors.grey.v200};
  border-radius: 3px;
  padding: 10px;
`;

const Encapsuled = styled.div`
  display: flex;
  flex-direction: column;
`;

const Input = ({
  autoFocus,
  label,
  icon,
  type,
  disabled,
  width,
  value,
  prefix,
  unit,
  error,
  multiline,
  header,
  optionalText,
  ...props
}) => {
  const headerExist = header.length !== 0 || optionalText.length !== 0;

  const [passwordShow, setPasswordShow] = React.useState(false);

  return (
    <Encapsuled>
      <Header specialWidth={width}>
        <Left>{header}</Left>
        <Right>{optionalText}</Right>
      </Header>
      <Container unit={unit} specialWidth={width} prefix={prefix} icon={icon}>
        <Root
          value={value}
          error={error}
          prefix={prefix}
          unit={unit}
          icon={icon}
          name={label}
          autoFocus={autoFocus}
          headerExist={headerExist}
          disabled={disabled}
          placeholder={headerExist ? label : ' '}
          type={type === 'password' && passwordShow ? 'text' : type}
          labe={label}
          as={multiline ? 'textarea' : 'input'}
          onChange={e => {
            props.onChange(e.target.value);
          }}
        />
        {headerExist ? null : (
          <Label error={error} disabled={disabled}>
            {label}
          </Label>
        )}
        <Logo prefix={prefix} disabled={disabled}>
          {prefix ? <Prefix>{prefix}</Prefix> : <Icon iconSize={20} name={icon} />}
        </Logo>
        {unit ? <InputUnit error={error}>{unit}</InputUnit> : null}
        {type === 'password' && (
          <Logo suffix={unit} right={true} disabled={disabled} onClick={() => setPasswordShow(v => !v)}>
            <Icon iconSize={24} name={passwordShow ? 'View' : 'ViewOff'} />
          </Logo>
        )}
      </Container>
      <div>{error ? <Footer>{error}</Footer> : null}</div>
    </Encapsuled>
  );
};

Input.propTypes = {
  /**
   * disabled
   */
  autoFocus: PropTypes.bool,
  /**
   * disabled
   */
  disabled: PropTypes.bool,
  /**
   * Multiline textearea
   */
  multiline: PropTypes.bool,
  /**
   * full Width
   */
  width: PropTypes.number,
  /**
   * Type
   */
  type: PropTypes.oneOf(['text', 'email', 'password', 'number', 'number', 'url']),
  /**
   * icon on the left
   */
  icon: PropTypes.string,
  /**
   * header on the left
   */
  header: PropTypes.string,
  /**
   * optionalText on the left
   */
  optionalText: PropTypes.string,
  /**
   * Input contents
   */
  label: PropTypes.string.isRequired,
  /**
   * Change event
   */
  onChange: PropTypes.func,
  /**
   * value
   */
  value: PropTypes.any,
  /**
   * prefix
   */
  prefix: PropTypes.string,
  /**
   * unit
   */
  unit: PropTypes.string,
  /**
   * error
   */
  error: PropTypes.string
};

Input.defaultProps = {
  type: 'text',
  disabled: false,
  label: '',
  header: '',
  optionalText: ''
};

export default Input;