/* eslint-disable no-use-before-define */
import React from 'react';
import useAutocomplete from '@material-ui/lab/useAutocomplete';
import NoSsr from '@material-ui/core/NoSsr';
import CheckIcon from '@material-ui/icons/Check';
import CloseIcon from '@material-ui/icons/Close';
import styled from 'styled-components';

const Label = styled('label')`
  padding: 0 0 4px;
  line-height: 1.5;
  display: block;
`;

const InputWrapper = styled('div')`
  width: 300px;
  border: 1px solid #d9d9d9;
  background-color: #fff;
  border-radius: 4px;
  padding: 1px;
  display: flex;
  flex-wrap: wrap;

  &:hover {
    border-color: #40a9ff;
  }

  &.focused {
    border-color: #40a9ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
  }

  & input {
    font-size: 14px;
    height: 30px;
    box-sizing: border-box;
    padding: 4px 6px;
    width: 0;
    min-width: 30px;
    flex-grow: 1;
    border: 0;
    margin: 0;
    outline: 0;
  }
`;

const Tag = styled(({ label, onDelete, ...props }) => (
  <div {...props}>
    <span>{label}</span>
    <CloseIcon onClick={onDelete} />
  </div>
))`
  display: flex;
  align-items: center;
  height: 24px;
  margin: 2px;
  line-height: 22px;
  background-color: #fafafa;
  border: 1px solid #e8e8e8;
  border-radius: 2px;
  box-sizing: content-box;
  padding: 0 4px 0 10px;
  outline: 0;
  overflow: hidden;

  &:focus {
    border-color: #40a9ff;
    background-color: #e6f7ff;
  }

  & span {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  & svg {
    font-size: 12px;
    cursor: pointer;
    padding: 4px;
  }
`;

const Listbox = styled('ul')`
  width: 300px;
  margin: 2px 0 0;
  padding: 0;
  position: absolute;
  list-style: none;
  background-color: #fff;
  overflow: auto;
  max-height: 250px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 1;

  & li {
    padding: 5px 12px;
    display: flex;

    & span {
      flex-grow: 1;
    }

    & svg {
      color: transparent;
    }
  }

  & li[aria-selected='true'] {
    background-color: #fafafa;
    font-weight: 600;

    & svg {
      color: #1890ff;
    }
  }

  & li[data-focus='true'] {
    background-color: #e6f7ff;
    cursor: pointer;

    & svg {
      color: #000;
    }
  }
`;

export default function CustomizedHook() {
  const {
    getRootProps,
    getInputLabelProps,
    getInputProps,
    getTagProps,
    getListboxProps,
    getOptionProps,
    groupedOptions,
    value,
    focused,
    setAnchorEl,
  } = useAutocomplete({
    id: 'customized-hook-demo',
    defaultValue: [top100Films[1]],
    multiple: true,
    options: top100Films,
    getOptionLabel: (option) => option.title,
  });

  return (
    <NoSsr>
      <div>
        <div {...getRootProps()}>
          <Label {...getInputLabelProps()}>Customized hook</Label>
          <InputWrapper ref={setAnchorEl} className={focused ? 'focused' : ''}>
            {value.map((option: FilmOptionType, index: number) => (
              <Tag label={option.title} {...getTagProps({ index })} />
            ))}
            <input {...getInputProps()} />
          </InputWrapper>
        </div>
        {groupedOptions.length > 0 ? (
          <Listbox {...getListboxProps()}>
            {groupedOptions.map((option, index) => (
              <li {...getOptionProps({ option, index })}>
                <span>{option.title}</span>
                <CheckIcon fontSize="small" />
              </li>
            ))}
          </Listbox>
        ) : null}
      </div>
    </NoSsr>
  );
}

interface FilmOptionType {
  title: string;
  year: number;
}

// Top 100 films as rated by IMDb users. http://www.imdb.com/chart/top
const top100Films = [
  { title: 'The Shawshank Redemption', year: 1994 },
  { title: 'The Godfather', year: 1972 },
  { title: 'The Godfather: Part II', year: 1974 },
  { title: 'The Dark Knight', year: 2008 },
  { title: '12 Angry Men', year: 1957 },
  { title: "Schindler's List", year: 1993 },
  { title: 'Pulp Fiction', year: 1994 },
  { title: 'The Lord of the Rings: The Return of the King', year: 2003 },
  { title: 'The Good, the Bad and the Ugly', year: 1966 },
  { title: 'Fight Club', year: 1999 },
  { title: 'The Lord of the Rings: The Fellowship of the Ring', year: 2001 },
  { title: 'Star Wars: Episode V - The Empire Strikes Back', year: 1980 },
  { title: 'Forrest Gump', year: 1994 },
  { title: 'Inception', year: 2010 },
  { title: 'The Lord of the Rings: The Two Towers', year: 2002 },
  { title: "One Flew Over the Cuckoo's Nest", year: 1975 },
  { title: 'Goodfellas', year: 1990 },
  { title: 'The Matrix', year: 1999 },
  { title: 'Seven Samurai', year: 1954 },
  { title: 'Star Wars: Episode IV - A New Hope', year: 1977 },
  { title: 'City of God', year: 2002 },
  { title: 'Se7en', year: 1995 },
  { title: 'The Silence of the Lambs', year: 1991 },
  { title: "It's a Wonderful Life", year: 1946 },
  { title: 'Life Is Beautiful', year: 1997 },
  { title: 'The Usual Suspects', year: 1995 },
  { title: 'Léon: The Professional', year: 1994 },
  { title: 'Spirited Away', year: 2001 },
  { title: 'Saving Private Ryan', year: 1998 },
  { title: 'Once Upon a Time in the West', year: 1968 },
  { title: 'American History X', year: 1998 },
  { title: 'Interstellar', year: 2014 },
  { title: 'Casablanca', year: 1942 },
  { title: 'City Lights', year: 1931 },
  { title: 'Psycho', year: 1960 },
  { title: 'The Green Mile', year: 1999 },
  { title: 'The Intouchables', year: 2011 },
  { title: 'Modern Times', year: 1936 },
  { title: 'Raiders of the Lost Ark', year: 1981 },
  { title: 'Rear Window', year: 1954 },
  { title: 'The Pianist', year: 2002 },
  { title: 'The Departed', year: 2006 },
  { title: 'Terminator 2: Judgment Day', year: 1991 },
  { title: 'Back to the Future', year: 1985 },
  { title: 'Whiplash', year: 2014 },
  { title: 'Gladiator', year: 2000 },
  { title: 'Memento', year: 2000 },
  { title: 'The Prestige', year: 2006 },
  { title: 'The Lion King', year: 1994 },
  { title: 'Apocalypse Now', year: 1979 },
  { title: 'Alien', year: 1979 },
  { title: 'Sunset Boulevard', year: 1950 },
  { title: 'Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb', year: 1964 },
  { title: 'The Great Dictator', year: 1940 },
  { title: 'Cinema Paradiso', year: 1988 },
  { title: 'The Lives of Others', year: 2006 },
  { title: 'Grave of the Fireflies', year: 1988 },
  { title: 'Paths of Glory', year: 1957 },
  { title: 'Django Unchained', year: 2012 },
  { title: 'The Shining', year: 1980 },
  { title: 'WALL·E', year: 2008 },
  { title: 'American Beauty', year: 1999 },
  { title: 'The Dark Knight Rises', year: 2012 },
  { title: 'Princess Mononoke', year: 1997 },
  { title: 'Aliens', year: 1986 },
  { title: 'Oldboy', year: 2003 },
  { title: 'Once Upon a Time in America', year: 1984 },
  { title: 'Witness for the Prosecution', year: 1957 },
  { title: 'Das Boot', year: 1981 },
  { title: 'Citizen Kane', year: 1941 },
  { title: 'North by Northwest', year: 1959 },
  { title: 'Vertigo', year: 1958 },
  { title: 'Star Wars: Episode VI - Return of the Jedi', year: 1983 },
  { title: 'Reservoir Dogs', year: 1992 },
  { title: 'Braveheart', year: 1995 },
  { title: 'M', year: 1931 },
  { title: 'Requiem for a Dream', year: 2000 },
  { title: 'Amélie', year: 2001 },
  { title: 'A Clockwork Orange', year: 1971 },
  { title: 'Like Stars on Earth', year: 2007 },
  { title: 'Taxi Driver', year: 1976 },
  { title: 'Lawrence of Arabia', year: 1962 },
  { title: 'Double Indemnity', year: 1944 },
  { title: 'Eternal Sunshine of the Spotless Mind', year: 2004 },
  { title: 'Amadeus', year: 1984 },
  { title: 'To Kill a Mockingbird', year: 1962 },
  { title: 'Toy Story 3', year: 2010 },
  { title: 'Logan', year: 2017 },
  { title: 'Full Metal Jacket', year: 1987 },
  { title: 'Dangal', year: 2016 },
  { title: 'The Sting', year: 1973 },
  { title: '2001: A Space Odyssey', year: 1968 },
  { title: "Singin' in the Rain", year: 1952 },
  { title: 'Toy Story', year: 1995 },
  { title: 'Bicycle Thieves', year: 1948 },
  { title: 'The Kid', year: 1921 },
  { title: 'Inglourious Basterds', year: 2009 },
  { title: 'Snatch', year: 2000 },
  { title: '3 Idiots', year: 2009 },
  { title: 'Monty Python and the Holy Grail', year: 1975 },
];