import searchSuggestApi from '@/core/api/searchSuggestApi'
import { MagnifyingGlassIcon } from '@heroicons/react/24/outline'
import { useCallback, useEffect, useRef, useState } from 'react'
import Link from '../Link/Link'
import { useRouter } from 'next/router'

const Search = () => {
  const router = useRouter()
  const queryRef = useRef()
  const [query, setQuery] = useState('')
  const [suggestions, setSuggestions] = useState([])

  useEffect(() => {
    setQuery(router.query.q)
  }, [router.query])

  const loadSuggestion = useCallback(() => {
    if (query && document.activeElement == queryRef.current) {
      ;(async () => {
        const dataSuggestion = await searchSuggestApi({ query })
        setSuggestions(dataSuggestion.data.suggestions)
      })()
      return
    } else {
      setSuggestions([])
    }
  }, [query])

  useEffect(() => {
    if (query && document.activeElement == queryRef.current) {
      loadSuggestion()
    } else {
      setSuggestions([])
    }
  }, [loadSuggestion, query])

  const handleSubmit = (e) => {
    e.preventDefault()
    if (query) {
      router.push(`/shop/search?q=${query}`)
    } else {
      queryRef.current.focus()
    }
  }

  const onInputBlur = () => {
    setTimeout(() => {
      setSuggestions([])
    }, 100)
  }

  return (
    <form
      onSubmit={handleSubmit}
      className='flex relative'
    >
      <input
        type='text'
        ref={queryRef}
        className='form-input p-3 rounded-r-none border-r-0 focus:border-gray_r-6'
        placeholder='Ketik nama, part number, merk'
        value={query}
        onChange={(e) => setQuery(e.target.value)}
        onBlur={onInputBlur}
        onFocus={loadSuggestion}
      />
      <button
        type='submit'
        className='rounded-r border border-l-0 border-gray_r-6 px-2'
      >
        <MagnifyingGlassIcon className='w-6' />
      </button>

      {suggestions.length > 1 && (
        <>
          <div className='absolute w-full top-[50px] rounded-b bg-gray_r-1 border border-gray_r-6 divide-y divide-gray_r-6'>
            {suggestions.map((suggestion, index) => (
              <Link
                href={`/shop/search?q=${suggestion.term}`}
                key={index}
                className='px-3 py-3 !text-gray_r-12 font-normal'
              >
                {suggestion.term}
              </Link>
            ))}
          </div>
        </>
      )}
    </form>
  )
}

export default Search