public/scripts/input_pin.js


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/*
 * input_pin.js
 * Copyright (c) 2019, Texx
 * License: MIT
 *     See https://github.com/texxme/Texx/blob/master/LICENSE
 */

const $ = require('jquery');

let pin = [];

/**
 * Initializes actions of the pin input field
 * @param callback
 */
function init(callback) {
  let tryCount = 0;

  $('#1')
    .focus()
    .on('input', (el) => {
      pin.push($(el.target)
        .val());
      $(el.target)
        .val('*');
      $(`#${(parseInt($(el.target)
        .attr('id')) + 1).toString()}`)
        .focus();
    });

  $('#2')
    .on('input', (el) => {
      pin.push($(el.target)
        .val());
      $(el.target)
        .val('*');
      $(`#${(parseInt($(el.target)
        .attr('id')) + 1).toString()}`)
        .focus();
    });

  $('#3')
    .on('input', (el) => {
      pin.push($(el.target)
        .val());
      $(el.target)
        .val('*');
      $(`#${(parseInt($(el.target)
        .attr('id')) + 1).toString()}`)
        .focus();
    });

  $('#4')
    .on('input', (el) => {
      pin.push($(el.target)
        .val());
      $(el.target)
        .val('*');
      tryCount++;
      callback(pin.join(''), tryCount);
    });
}

/**
 * Displays error message and clears input
 */
function isWrong(message) {
  $('#pin_message')
    .text(message);
  for (let i = 1; i < 5; i++) {
    $(`#${i}`)
      .val('');
  }
  $('#1')
    .focus();
  pin = [];
}

/**
 * Display generation message
 */
function needsGeneration() {
  // TODO: Add loading animation
  $('#pin_message')
    .text('Generating keys...');
}

exports.init = init;
exports.failure = isWrong;
exports.generate = needsGeneration;