import { useMemo } from 'react';

export function normalizeGreek(text) {
  text = text
    .replace(/Ά|Α|ά/g, 'α')
    .replace(/Έ|Ε|έ/g, 'ε')
    .replace(/Ή|Η|ή/g, 'η')
    .replace(/Ί|Ϊ|Ι|ί|ΐ|ϊ/g, 'ι')
    .replace(/Ό|Ο|ό/g, 'ο')
    .replace(/Ύ|Ϋ|Υ|ύ|ΰ|ϋ/g, 'υ')
    .replace(/Ώ|Ω|ώ/g, 'ω')
    .replace(/Σ|ς/g, 'σ');
  return text;
}

export function fullTextSearch(data: object, search: string): boolean {
  if (!search) {
    return true;
  }
  const q = normalizeGreek(
    search
      .normalize('NFC')
      .replace(/[\u0300-\u036f]/g, '')
      .toLowerCase()
  );
  const index = Object.keys(data)
    .map((k) => {
      return data[k] ? data[k].toString().toLowerCase() : '';
    })
    .join('');

  return normalizeGreek(
    index.normalize('NFC').replace(/[\u0300-\u036f]/g, '')
  ).includes(q);
}

export function useSearch(data: object[], query?: string) {
  return useMemo(() => {
    if (!query) return data;
    return data.filter((t) => fullTextSearch(t, query));
  }, [data, query]);
}

export default useSearch;