import { Button, GridItem, Icon, SimpleGrid, Flex, Box, Card } from '@chakra-ui/react';
import React, { useEffect, useState } from 'react';
import MediaQuery from 'react-responsive'
import {
  TbBook2,
  TbBuilding,
  TbFileDescription,
  TbHash,
  TbReportSearch,
  TbUserCircle
} from 'react-icons/tb';
import search, { Book } from '../scripts/searcher';

import { IoLanguage } from 'react-icons/io5';
import { IoShareSocialOutline } from 'react-icons/io5';
import SearchInput from './SearchInput';
import { useDebounceEffect } from 'ahooks';
import { useTranslation } from 'react-i18next';
import SearchLanguage from './SearchLanguage';
import { MEDIA_QUERY_DESKTOP_STARTS, MEDIA_QUERY_MOBILE_ENDS } from '../constants/mediaquery';
import CopyToClipboardButton from './CopyToClipboardButton';

function constructQuery(parts: Record<string, string>): string {
  return Object.keys(parts)
    .map((key) =>
      parts[key]
        .split(' ')
        .filter((s) => s !== '')
        .map((s) => `${key}:"${s}"`)
    )
    .flat()
    .join('');
}

export interface SearchProps {
  setBooks: (books: Book[]) => void;
}

const Search: React.FC<SearchProps> = ({ setBooks }) => {
  const { t } = useTranslation();

  const [title, setTitle] = useState<string>('');
  const [author, setAuthor] = useState<string>('');
  const [publisher, setPublisher] = useState<string>('');
  const [extension, setExtension] = useState<string>('');
  const [language, setLanguage] = useState<string>('');
  const [isbn, setISBN] = useState<string>('');
  const [complexQuery, setComplexQuery] = useState<string>('');
  const [showLanguageDropdown, setShowLanguageDropdown] = useState<boolean>(true)

  useEffect(() => {
    const params = new Proxy(new URLSearchParams(decodeURIComponent(window.location.search)), {
      //@ts-ignore
      get: (searchParams, prop) => searchParams.get(prop),
    });

    //@ts-ignore
    params.title && setTitle(String(params.title))

    //@ts-ignore
    params.author && setAuthor(String(params.author))

    //@ts-ignore
    if (params.language) {
      //@ts-ignore
      setLanguage(String(params.language))
      setShowLanguageDropdown(false)
    }

  }, [])

  const handleLanguageChange = (language: string) => {
    if (language == 'input') {
      setShowLanguageDropdown(false)
    } else {
      setLanguage(language)
    }
  }

  const handleLanguageReset = () => {
    setShowLanguageDropdown(true)
    setLanguage('')
  }

  const hasAnySearchBeenMade = () => {
    return (
      title !== ''
      || author !== ''
      || language !== ''
      || publisher !== ''
      || extension !== ''
      || isbn !== ''
    )
  }

  const copyToClipboard = () => {
    const searchBase = `${window.location.protocol}//${window.location.host}/?`;
    const searchQuery = encodeURIComponent(`title=${title}&author=${author}&language=${language}&publisher=${publisher}&isbn=${isbn}&extension=${extension}`)

    navigator.clipboard.writeText(`${searchBase}${searchQuery}`).then(() => {
      //console.log('Async: Copying to clipboard was successful!');
    }, (err) => {
      //console.error('Async: Could not copy text: ', err);
    });
  }

  useDebounceEffect(
    () => {
      const query = complexQuery
        ? complexQuery
        : constructQuery({ title, author, publisher, extension, language, isbn });

      search(query, 100).then((books) => {
        setBooks(books);
      });
    },
    [title, author, publisher, extension, language, isbn, complexQuery],
    { wait: 300 }
  );

  return (
    <>
      <SimpleGrid
        columns={{ sm: 1, md: 2, lg: 3 }}
        spacing={{ base: 2, md: 4 }}
        px={{ base: 4, md: 8 }}
      >
        <SearchInput
          icon={<Icon as={TbBook2} />}
          placeholder={t('book.title')}
          value={title}
          onChange={setTitle}
        />
        <SearchInput
          icon={<Icon as={TbUserCircle} />}
          placeholder={t('book.author')}
          value={author}
          onChange={setAuthor}
        />
        <SearchInput
          icon={<Icon as={TbBuilding} />}
          placeholder={t('book.publisher')}
          value={publisher}
          onChange={setPublisher}
        />
        <SearchInput
          icon={<Icon as={TbFileDescription} />}
          placeholder={t('book.extension')}
          value={extension}
          onChange={setExtension}
        />

        {!showLanguageDropdown && (<SearchInput
          icon={<Icon as={IoLanguage} />}
          placeholder={t('input.select_language')}
          value={language}
          onChange={handleLanguageChange}
          onClear={handleLanguageReset}
        />)}

        {showLanguageDropdown && (<SearchLanguage
          icon={<Icon as={IoLanguage} />}
          placeholder={t('input.select_language')}
          value={language}
          onChange={handleLanguageChange}
        />)}

        <SearchInput
          icon={<Icon as={TbHash} />}
          placeholder={t('book.isbn')}
          value={isbn}
          onChange={setISBN}
        />
        <GridItem colSpan={{ sm: 1, md: 2, lg: 3 }}>
          <SearchInput
            icon={<Icon as={TbReportSearch} />}
            placeholder={t('search.complex')}
            value={complexQuery}
            onChange={setComplexQuery}
          />
        </GridItem>
      </SimpleGrid>
      <CopyToClipboardButton
        show={hasAnySearchBeenMade()}
        onClick={copyToClipboard} />
    </>
  );
};

export default Search;