/*
Honeypot Antispam plugin
No spam in comments. No captcha.
wordpress.org/plugins/honeypot-antispam/
*/

'use strict';
(function () {
  function anti_spam_init () {
    let i
    let len
    let elements
    let answer = ''
    const current_year = new Date().getFullYear()
    let dynamic_control

    elements = document.querySelectorAll('.antispam-group')
    len = elements.length
    for (i = 0; i < len; i++) { // hide inputs from users
      elements[i].style.display = 'none'
    }

    elements = document.querySelectorAll('.antispam-control-a')
    if ((elements) && (elements.length > 0)) { // get the answer
      answer = elements[0].value
    }

    elements = document.querySelectorAll('.antispam-control-q')
    len = elements.length
    for (i = 0; i < len; i++) { // set answer into other input instead of user
      elements[i].value = answer
    }

    // clear value of the empty input because some themes are adding some value for all inputs
    elements = document.querySelectorAll('.antispam-control-e')
    len = elements.length
    for (i = 0; i < len; i++) {
      elements[i].value = ''
    }

    // dynamic_control = '<input type="text" name="antspm-d" class="antispam-control antispam-control-d" value="' + current_year + '" />';
    dynamic_control = document.createElement('input')
    dynamic_control.setAttribute('type', 'hidden')
    dynamic_control.setAttribute('name', 'antspm-d')
    dynamic_control.setAttribute('class', 'antispam-control antispam-control-d')
    dynamic_control.setAttribute('value', current_year)

    // add input for every comment form if there are more than 1 form with IDs: comments, respond or commentform
    elements = document.querySelectorAll('form')
    len = elements.length
    for (i = 0; i < len; i++) {
      if ((elements[i].id === 'comments') || (elements[i].id === 'respond') || (elements[i].id === 'commentform')) {
        const class_index = elements[i].className.indexOf('anti-spam-form-processed')
        if (class_index == -1) { // form is not yet js processed
          elements[i].appendChild(dynamic_control)
          elements[i].className = elements[i].className + ' anti-spam-form-processed'
        }
      }
    }
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', anti_spam_init, false)
  }

  // set 1 second timeout for having form loaded and adding support for browsers which does not support 'DOMContentLoaded' listener
  setTimeout(function () {
    anti_spam_init()
  }, 1000)
})()