// Copyright (C) 2009 BRAT Tech LLC

angular.validator.regexp = function(value, regexp, msg) {
  if (!value.match(regexp)) {
    return msg ||
      "Value does not match expected format " + regexp + ".";
  } else {
    return null;
  }
};

angular.validator.number = function(value, min, max) {
  var num = 1 * value;
  if (num == value) {
    if (typeof min != 'undefined' && num < min) {
      return "Value can not be less than " + min + ".";
    }
    if (typeof min != 'undefined' && num > max) {
      return "Value can not be greater than " + max + ".";
    }
    return null;
  } else {
    return "Value is not a number.";
  }
};

angular.validator.integer = function(value, min, max) {
  var number = angular.validator.number(value, min, max);
  if (number === null && value != Math.round(value)) {
    return "Value is not a whole number.";
  }
  return number;
};

angular.validator.date = function(value, min, max) {
  if (value.match(/^\d\d?\/\d\d?\/\d\d\d\d$/)) {
    return null;
  }
  return "Value is not a date. (Expecting format: 12/31/2009).";
};

angular.validator.ssn = function(value) {
  if (value.match(/^\d\d\d-\d\d-\d\d\d\d$/)) {
    return null;
  }
  return "SSN needs to be in 999-99-9999 format.";
};

angular.validator.email = function(value) {
  if (value.match(/^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/)) {
    return null;
  }
  return "Email needs to be in username@host.com format.";
};

angular.validator.phone = function(value) {
  if (value.match(/^1\(\d\d\d\)\d\d\d-\d\d\d\d$/)) {
    return null;
  }
  if (value.match(/^\+\d{2,3} (\(\d{1,5}\))?[\d ]+\d$/)) {
    return null;
  }
  return "Phone number needs to be in 1(987)654-3210 format in North America or +999 (123) 45678 906 internationaly.";
};

angular.validator.url = function(value) {
  if (value.match(/^(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?$/)) {
    return null;
  }
  return "URL needs to be in http://server[:port]/path format.";
};

angular.validator.json = function(value) {
  try {
    nglr.fromJson(value);
    return null;
  } catch (e) {
    return e.toString();
  }
};