JesusValeraDev / bip39

  boxes: new Array(12).fill(false) as boolean[],

  wordlist: [] as string[],

  currentLanguage: 'english',

};

export function resetBoxes(): void {

  state.boxes.fill(false);

}

export function calculateBinaryValue(): number {

  let value = 0;

  for (let i = 0; i < 12; i++) {

    if (state.boxes[i]) {

      value += Math.pow(2, 11 - i);

    }

  }

  return value;

}

export function getBinaryString(): string {

  return state.boxes.map(b => b ? '1' : '0').join('');

}

export function setStateFromIndex(wordIndex: number): void {

  // Convert word index (0-2047) to binary and set the boxes

  // Note: wordIndex + 1 gives us the actual number (1-2048)

  const value = wordIndex + 1;

  resetBoxes();

  for (let i = 0; i < 12; i++) {

    const bitPosition = 11 - i;

    const bitValue = Math.pow(2, bitPosition);

    state.boxes[i] = (value & bitValue) !== 0;

  }

}