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/** Highest positive signed 32-bit float value */

const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1

/** Bootstring parameters */

const base = 36;
const tMin = 1;
const tMax = 26;
const skew = 38;
const damp = 700;
const initialBias = 72;
const initialN = 128; // 0x80

const delimiter = '-'; // '\x2D'

/** Regular expressions */

const regexPunycode = /^xn--/;
const regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars

const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators

/** Error messages */

const errors = {
  'overflow': 'Overflow: input needs wider integers to process',
  'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
  'invalid-input': 'Invalid input'
};
/** Convenience shortcuts */

const baseMinusTMin = base - tMin;
const floor = Math.floor;
const stringFromCharCode = String.fromCharCode;
/*--------------------------------------------------------------------------*/

/**
 * A generic error utility function.
 * @private
 * @param {String} type The error type.
 * @returns {Error} Throws a `RangeError` with the applicable error message.
 */

function error(type) {
  throw new RangeError(errors[type]);
}
/**
 * A generic `Array#map` utility function.
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} callback The function that gets called for every array
 * item.
 * @returns {Array} A new array of values returned by the callback function.
 */

function map(array, fn) {
  const result = [];
  let length = array.length;

while (length--) {
    result[length] = fn(array[length]);
  }

return result;
}
/**
 * A simple `Array#map`-like wrapper to work with domain name strings or email
 * addresses.
 * @private
 * @param {String} domain The domain name or email address.
 * @param {Function} callback The function that gets called for every
 * character.
 * @returns {Array} A new string of characters returned by the callback
 * function.
 */

function mapDomain(string, fn) {
  const parts = string.split('@');
  let result = '';

if (parts.length > 1) {
    // In email addresses, only the domain name should be punycoded. Leave
    // the local part (i.e. everything up to `@`) intact.
    result = parts[0] + '@';
    string = parts[1];
  } // Avoid `split(regex)` for IE8 compatibility. See #17.

string = string.replace(regexSeparators, '\x2E');
  const labels = string.split('.');
  const encoded = map(labels, fn).join('.');
  return result + encoded;
}
/**
 * Creates an array containing the numeric code points of each Unicode
 * character in the string. While JavaScript uses UCS-2 internally,
 * this function will convert a pair of surrogate halves (each of which
 * UCS-2 exposes as separate characters) into a single code point,
 * matching UTF-16.
 * @see `punycode.ucs2.encode`
 * @see <https://mathiasbynens.be/notes/javascript-encoding>
 * @memberOf punycode.ucs2
 * @name decode
 * @param {String} string The Unicode input string (UCS-2).
 * @returns {Array} The new array of code points.
 */

function ucs2decode(string) {
  const output = [];
  let counter = 0;
  const length = string.length;

while (counter < length) {
    const value = string.charCodeAt(counter++);

if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
      // It's a high surrogate, and there is a next character.
      const extra = string.charCodeAt(counter++);

if ((extra & 0xFC00) == 0xDC00) {
        // Low surrogate.
        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
      } else {
        // It's an unmatched surrogate; only append this code unit, in case the
        // next code unit is the high surrogate of a surrogate pair.
        output.push(value);
        counter--;
      }
    } else {
      output.push(value);
    }
  }

return output;
}
/**
 * Creates a string based on an array of numeric code points.
 * @see `punycode.ucs2.decode`
 * @memberOf punycode.ucs2
 * @name encode
 * @param {Array} codePoints The array of numeric code points.
 * @returns {String} The new Unicode string (UCS-2).
 */

const ucs2encode = array => String.fromCodePoint(...array);
/**
 * Converts a basic code point into a digit/integer.
 * @see `digitToBasic()`
 * @private
 * @param {Number} codePoint The basic numeric code point value.
 * @returns {Number} The numeric value of a basic code point (for use in
 * representing integers) in the range `0` to `base - 1`, or `base` if
 * the code point does not represent a value.
 */

const basicToDigit = function (codePoint) {
  if (codePoint - 0x30 < 0x0A) {
    return codePoint - 0x16;
  }

if (codePoint - 0x41 < 0x1A) {
    return codePoint - 0x41;
  }

if (codePoint - 0x61 < 0x1A) {
    return codePoint - 0x61;
  }

return base;
};
/**
 * Converts a digit/integer into a basic code point.
 * @see `basicToDigit()`
 * @private
 * @param {Number} digit The numeric value of a basic code point.
 * @returns {Number} The basic code point whose value (when used for
 * representing integers) is `digit`, which needs to be in the range
 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
 * used; else, the lowercase form is used. The behavior is undefined
 * if `flag` is non-zero and `digit` has no uppercase form.
 */

const digitToBasic = function (digit, flag) {
  //  0..25 map to ASCII a..z or A..Z
  // 26..35 map to ASCII 0..9
  return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
};
/**
 * Bias adaptation function as per section 3.4 of RFC 3492.
 * https://tools.ietf.org/html/rfc3492#section-3.4
 * @private
 */

const adapt = function (delta, numPoints, firstTime) {
  let k = 0;
  delta = firstTime ? floor(delta / damp) : delta >> 1;
  delta += floor(delta / numPoints);

for (;
  /* no initialization */
  delta > baseMinusTMin * tMax >> 1; k += base) {
    delta = floor(delta / baseMinusTMin);
  }

return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
};
/**
 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
 * symbols.
 * @memberOf punycode
 * @param {String} input The Punycode string of ASCII-only symbols.
 * @returns {String} The resulting string of Unicode symbols.
 */

const decode = function (input) {
  // Don't use UCS-2.
  const output = [];
  const inputLength = input.length;
  let i = 0;
  let n = initialN;
  let bias = initialBias; // Handle the basic code points: let `basic` be the number of input code
  // points before the last delimiter, or `0` if there is none, then copy
  // the first basic code points to the output.

let basic = input.lastIndexOf(delimiter);

if (basic < 0) {
    basic = 0;
  }

for (let j = 0; j < basic; ++j) {
    // if it's not a basic code point
    if (input.charCodeAt(j) >= 0x80) {
      error('not-basic');
    }

output.push(input.charCodeAt(j));
  } // Main decoding loop: start just after the last delimiter if any basic code
  // points were copied; start at the beginning otherwise.

for (let index = basic > 0 ? basic + 1 : 0; index < inputLength;)
  /* no final expression */
  {
    // `index` is the index of the next character to be consumed.
    // Decode a generalized variable-length integer into `delta`,
    // which gets added to `i`. The overflow checking is easier
    // if we increase `i` as we go, then subtract off its starting
    // value at the end to obtain `delta`.
    let oldi = i;

for (let w = 1, k = base;;
    /* no condition */
    k += base) {
      if (index >= inputLength) {
        error('invalid-input');
      }

const digit = basicToDigit(input.charCodeAt(index++));

if (digit >= base || digit > floor((maxInt - i) / w)) {
        error('overflow');
      }

i += digit * w;
      const t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;

if (digit < t) {
        break;
      }

const baseMinusT = base - t;

if (w > floor(maxInt / baseMinusT)) {
        error('overflow');
      }

w *= baseMinusT;
    }

const out = output.length + 1;
    bias = adapt(i - oldi, out, oldi == 0); // `i` was supposed to wrap around from `out` to `0`,
    // incrementing `n` each time, so we'll fix that now:

if (floor(i / out) > maxInt - n) {
      error('overflow');
    }

n += floor(i / out);
    i %= out; // Insert `n` at position `i` of the output.

output.splice(i++, 0, n);
  }

return String.fromCodePoint(...output);
};
/**
 * Converts a string of Unicode symbols (e.g. a domain name label) to a
 * Punycode string of ASCII-only symbols.
 * @memberOf punycode
 * @param {String} input The string of Unicode symbols.
 * @returns {String} The resulting Punycode string of ASCII-only symbols.
 */

const encode = function (input) {
  const output = []; // Convert the input in UCS-2 to an array of Unicode code points.

input = ucs2decode(input); // Cache the length.

let inputLength = input.length; // Initialize the state.

let n = initialN;
  let delta = 0;
  let bias = initialBias; // Handle the basic code points.

for (const currentValue of input) {
    if (currentValue < 0x80) {
      output.push(stringFromCharCode(currentValue));
    }
  }

let basicLength = output.length;
  let handledCPCount = basicLength; // `handledCPCount` is the number of code points that have been handled;
  // `basicLength` is the number of basic code points.
  // Finish the basic string with a delimiter unless it's empty.

if (basicLength) {
    output.push(delimiter);
  } // Main encoding loop:

while (handledCPCount < inputLength) {
    // All non-basic code points < n have been handled already. Find the next
    // larger one:
    let m = maxInt;

for (const currentValue of input) {
      if (currentValue >= n && currentValue < m) {
        m = currentValue;
      }
    } // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
    // but guard against overflow.

const handledCPCountPlusOne = handledCPCount + 1;

if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
      error('overflow');
    }

delta += (m - n) * handledCPCountPlusOne;
    n = m;

for (const currentValue of input) {
      if (currentValue < n && ++delta > maxInt) {
        error('overflow');
      }

if (currentValue == n) {
        // Represent delta as a generalized variable-length integer.
        let q = delta;

for (let k = base;;
        /* no condition */
        k += base) {
          const t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;

if (q < t) {
            break;
          }

const qMinusT = q - t;
          const baseMinusT = base - t;
          output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
          q = floor(qMinusT / baseMinusT);
        }

output.push(stringFromCharCode(digitToBasic(q, 0)));
        bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
        delta = 0;
        ++handledCPCount;
      }
    }

++delta;
    ++n;
  }

return output.join('');
};
/**
 * Converts a Punycode string representing a domain name or an email address
 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
 * it doesn't matter if you call it on a string that has already been
 * converted to Unicode.
 * @memberOf punycode
 * @param {String} input The Punycoded domain name or email address to
 * convert to Unicode.
 * @returns {String} The Unicode representation of the given Punycode
 * string.
 */

const toASCII = function (input) {
  return mapDomain(input, function (string) {
    return regexNonASCII.test(string) ? 'xn--' + encode(string) : string;
  });
};
/*--------------------------------------------------------------------------*/

/** Define the public API */

const punycode = {
  /**
   * A string representing the current Punycode.js version number.
   * @memberOf punycode
   * @type String
   */
  'version': '2.1.0',

/**
   * An object of methods to convert from JavaScript's internal character
   * representation (UCS-2) to Unicode code points, and back.
   * @see <https://mathiasbynens.be/notes/javascript-encoding>
   * @memberOf punycode
   * @type Object
   */
  'ucs2': {
    'decode': ucs2decode,
    'encode': ucs2encode
  },
  'decode': decode,
  'encode': encode,
  'toASCII': toASCII,
  'toUnicode': toUnicode
};

/**
 * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

class JFormValidator {
  constructor() {
    this.customValidators = {};
    this.handlers = [];
    this.handlers = {};
    this.removeMarking = this.removeMarking.bind(this);

this.inputEmail = () => {
      const input = document.createElement('input');
      input.setAttribute('type', 'email');
      return input.type !== 'text';
    }; // Default handlers

this.setHandler('username', value => {
      const regex = new RegExp('[<|>|"|\'|%|;|(|)|&]', 'i');
      return !regex.test(value);
    });
    this.setHandler('password', value => {
      const regex = /^\S[\S ]{2,98}\S$/;
      return regex.test(value);
    });
    this.setHandler('numeric', value => {
      const regex = /^(\d|-)?(\d|,)*\.?\d*$/;
      return regex.test(value);
    });
    this.setHandler('email', value => {
      const newValue = punycode.toASCII(value);
      const regex = /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
      return regex.test(newValue);
    }); // Attach all forms with a class 'form-validate'

const forms = [].slice.call(document.querySelectorAll('form'));
    forms.forEach(form => {
      if (form.classList.contains('form-validate')) {
        this.attachToForm(form);
      }
    });
  }

get custom() {
    return this.customValidators;
  }

set custom(value) {
    this.customValidators = value;
  }

setHandler(name, func, en) {
    const isEnabled = en === '' ? true : en;
    this.handlers[name] = {
      enabled: isEnabled,
      exec: func
    };
  } // eslint-disable-next-line class-methods-use-this

markValid(element) {
    // Get a label
    const label = element.form.querySelector(`label[for="${element.id}"]`);
    let message;

if (element.classList.contains('required') || element.getAttribute('required')) {
      if (label) {
        message = label.querySelector('span.form-control-feedback');
      }
    }

element.classList.remove('form-control-danger');
    element.classList.remove('invalid');
    element.classList.add('form-control-success');
    element.parentNode.classList.remove('has-danger');
    element.parentNode.classList.add('has-success');
    element.setAttribute('aria-invalid', 'false'); // Remove message

if (message) {
      message.parentNode.removeChild(message);
    } // Restore Label

if (label) {
      label.classList.remove('invalid');
    }
  } // eslint-disable-next-line class-methods-use-this

markInvalid(element, empty) {
    // Get a label
    const label = element.form.querySelector(`label[for="${element.id}"]`);
    element.classList.remove('form-control-success');
    element.classList.remove('valid');
    element.classList.add('form-control-danger');
    element.classList.add('invalid');
    element.parentNode.classList.remove('has-success');
    element.parentNode.classList.add('has-danger');
    element.setAttribute('aria-invalid', 'true'); // Display custom message

let mesgCont;
    const message = element.getAttribute('data-validation-text');

if (label) {
      mesgCont = label.querySelector('span.form-control-feedback');
    }

if (!mesgCont) {
      const elMsg = document.createElement('span');
      elMsg.classList.add('form-control-feedback');

if (empty && empty === 'checkbox') {
        elMsg.innerHTML = message !== null ? Joomla.sanitizeHtml(message) : Joomla.sanitizeHtml(Joomla.Text._('JLIB_FORM_FIELD_REQUIRED_CHECK'));
      } else if (empty && empty === 'value') {
        elMsg.innerHTML = message !== null ? Joomla.sanitizeHtml(message) : Joomla.sanitizeHtml(Joomla.Text._('JLIB_FORM_FIELD_REQUIRED_VALUE'));
      } else {
        elMsg.innerHTML = message !== null ? Joomla.sanitizeHtml(message) : Joomla.sanitizeHtml(Joomla.Text._('JLIB_FORM_FIELD_INVALID_VALUE'));
      }

if (label) {
        label.appendChild(elMsg);
      }
    } // Mark the Label as well

if (label) {
      label.classList.add('invalid');
    }
  } // eslint-disable-next-line class-methods-use-this

removeMarking(element) {
    // Get the associated label
    let message;
    const label = element.form.querySelector(`label[for="${element.id}"]`);

if (label) {
      message = label.querySelector('span.form-control-feedback');
    }

element.classList.remove('form-control-danger');
    element.classList.remove('form-control-success');
    element.classList.remove('invalid');
    element.classList.add('valid');
    element.parentNode.classList.remove('has-danger');
    element.parentNode.classList.remove('has-success'); // Remove message

if (message) {
      if (label) {
        label.removeChild(message);
      }
    } // Restore Label

if (label) {
      label.classList.remove('invalid');
    }
  }

handleResponse(state, element, empty) {
    const tagName = element.tagName.toLowerCase(); // Set the element and its label (if exists) invalid state

if (tagName !== 'button' && element.value !== undefined || tagName === 'fieldset') {
      if (state === false) {
        this.markInvalid(element, empty);
      } else {
        this.markValid(element);
      }
    }
  }

validate(element) {
    let tagName; // Ignore the element if its currently disabled,
    // because are not submitted for the http-request.
    // For those case return always true.

if (element.getAttribute('disabled') === 'disabled' || element.getAttribute('display') === 'none') {
      this.handleResponse(true, element);
      return true;
    } // If the field is required make sure it has a value

if (element.getAttribute('required') || element.classList.contains('required')) {
      tagName = element.tagName.toLowerCase();

if (tagName === 'fieldset' && (element.classList.contains('radio') || element.classList.contains('checkboxes'))) {
        // No options are checked.
        if (element.querySelector('input:checked') === null) {
          this.handleResponse(false, element, 'checkbox');
          return false;
        }
      } else if (element.getAttribute('type') === 'checkbox' && element.checked !== true || tagName === 'select' && !element.value.length) {
        this.handleResponse(false, element, 'checkbox');
        return false;
      } else if (!element.value || element.classList.contains('placeholder')) {
        // If element has class placeholder that means it is empty.
        this.handleResponse(false, element, 'value');
        return false;
      }
    } // Only validate the field if the validate class is set

const handler = element.getAttribute('class') && element.getAttribute('class').match(/validate-([a-zA-Z0-9_-]+)/) ? element.getAttribute('class').match(/validate-([a-zA-Z0-9_-]+)/)[1] : '';

if (element.getAttribute('pattern') && element.getAttribute('pattern') !== '') {
      if (element.value.length) {
        const isValid = new RegExp(`^${element.getAttribute('pattern')}$`).test(element.value);
        this.handleResponse(isValid, element, 'empty');
        return isValid;
      }

if (element.hasAttribute('required') || element.classList.contains('required')) {
        this.handleResponse(false, element, 'empty');
        return false;
      }

this.handleResponse(true, element);
      return true;
    }

if (handler === '') {
      this.handleResponse(true, element);
      return true;
    } // Check the additional validation types

if (handler && handler !== 'none' && this.handlers[handler] && element.value) {
      // Execute the validation handler and return result
      if (this.handlers[handler].exec(element.value, element) !== true) {
        this.handleResponse(false, element, 'invalid_value');
        return false;
      }
    } // Return validation state

this.handleResponse(true, element);
    return true;
  }

isValid(form) {
    let valid = true;
    let message;
    let error;
    const invalid = []; // Validate form fields

const fields = [].slice.call(form.querySelectorAll('input, textarea, select, button, fieldset'));
    fields.forEach(field => {
      if (this.validate(field) === false) {
        valid = false;
        invalid.push(field);
      }
    }); // Run custom form validators if present

if (Object.keys(this.customValidators).length) {
      Object.keys(this.customValidators).foreach(key => {
        if (this.customValidators[key].exec() !== true) {
          valid = false;
        }
      });
    }

if (!valid && invalid.length > 0) {
      if (form.getAttribute('data-validation-text')) {
        message = form.getAttribute('data-validation-text');
      } else {
        message = Joomla.Text._('JLIB_FORM_CONTAINS_INVALID_FIELDS');
      }

error = {
        error: [message]
      };
      Joomla.renderMessages(error);
    }

return valid;
  }

attachToForm(form) {
    const elements = [].slice.call(form.querySelectorAll('input, textarea, select, button, fieldset')); // Iterate through the form object and attach the validate method to all input fields.

elements.forEach(element => {
      const tagName = element.tagName.toLowerCase();

if (['input', 'textarea', 'select', 'fieldset'].indexOf(tagName) > -1 && element.classList.contains('required')) {
        element.setAttribute('required', '');
      } // Attach isValid method to submit button

if ((tagName === 'input' || tagName === 'button') && (element.getAttribute('type') === 'submit' || element.getAttribute('type') === 'image')) {
        if (element.classList.contains('validate')) {
          element.addEventListener('click', () => this.isValid(form));
        }
      } else if (tagName !== 'button' && !(tagName === 'input' && element.getAttribute('type') === 'button')) {
        // Attach validate method only to fields
        if (tagName !== 'fieldset') {
          element.addEventListener('blur', ({
            target
          }) => this.validate(target));
          element.addEventListener('focus', ({
            target
          }) => this.removeMarking(target));

if (element.classList.contains('validate-email') && this.inputEmail) {
            element.setAttribute('type', 'email');
          }
        }
      }
    });
  }

}

const initialize = () => {
  document.formvalidator = new JFormValidator(); // Cleanup

document.removeEventListener('DOMContentLoaded', initialize);
};

document.addEventListener('DOMContentLoaded', initialize);