JesusValeraDev / bip39

export function isWordInWordlist(word: string, wordlist: string[]): boolean {

  const normalizedWord = word.trim().toLowerCase();

  if (!normalizedWord) return false;

  return wordlist.some(w => w.toLowerCase() === normalizedWord);

}

export function getSuggestions(input: string, wordlist: string[], maxSuggestions: number = 10): string[] {

  const normalizedInput = input.trim().toLowerCase();

  if (!normalizedInput) {

    return [];

  }

  return wordlist

    .filter(word => word.toLowerCase().startsWith(normalizedInput))

    .slice(0, maxSuggestions);

}

export function getWordIndex(word: string, wordlist: string[]): number {

  return wordlist.indexOf(word);

}

export function indexToBinaryValue(index: number): number {

  return index + 1;

}

export function binaryValueToIndex(value: number): number {

  return value - 1;

}

export function isValidIndex(index: number, wordlistLength: number): boolean {

  return index >= 0 && index < wordlistLength;

}

export function getWordByIndex(index: number, wordlist: string[]): string | null {

  if (!isValidIndex(index, wordlist.length)) {

    return null;

  }

  return wordlist[index];

}

export function shouldShowSuggestions(input: string, minLength: number = 1): boolean {

  return input.trim().length >= minLength;

}