JesusValeraDev / bip39

import { elements, resetBoxes, setStateFromIndex, state } from '../../bip39';

import { updateDisplay } from '../../display';

import { showToast } from '../../display';

import { currentTranslations } from '../../language';

import { getWordIndex, isWordInWordlist } from '../domain/wordInputHelpers';

let errorClearTimeout: NodeJS.Timeout | null = null;

export function validateWordInput(): void {

  const value = elements.wordInput.value.trim().toLowerCase();

  if (!value) {

    clearInputError();

    return;

  }

  const wordExists = isWordInWordlist(value, state.wordlist);

  if (wordExists) {

    handleValidWord(value);

  } else {

    handleInvalidWord();

  }

}

function clearInputError(): void {

  elements.wordInput.classList.remove('error');

}

function handleValidWord(value: string): void {

  clearInputError();

  const wordIndex = getWordIndex(value, state.wordlist);

  if (wordIndex !== -1) {

    setStateFromIndex(wordIndex);

    updateDisplay();

  }

}

function handleInvalidWord(): void {

  elements.wordInput.classList.add('error');

  resetBoxes();

  updateDisplay();

  showToast('invalid-word-toast', currentTranslations.invalidWordMessage);

  scheduleErrorAutoClear();

}

function scheduleErrorAutoClear(): void {

  if (errorClearTimeout) {

    clearTimeout(errorClearTimeout);

  }

  errorClearTimeout = setTimeout(() => {

    elements.wordInput.classList.remove('error');

  }, 3500);

}