var REGEX = {
    "valid_email":"^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*(\\.[A-Za-z]{2,4})$",
    "valid_phone":"^[\\*\\(\\)\\ \\+0-9-]{3,50}$",
    "valid_promotion_code":"^[A-Za-z]{1,3}[0-9]{2,7}$",
    "valid_zip":"^[\\ A-Za-z0-9-\\\/]{1,20}$",
    "valid_name":"^[A-Za-z '-]{2,50}$",
    "valid_reservnum":"^[0-9]{8}$",
    "valid_password":"^(?=[_A-Za-z0-9-]{3,20}$).*[^0-9]",
    "valid_address":"^[A-Za-z0-9\\.,:;\\(\\)'\"\\\/ \\u0400-\\u04FF\\u0080-\\u00FF\\u0100-\\u017F\\u0180-\\u024F-]{3,50}$",
    "valid_date":"^(19|20)[0-9][0-9][- ](0?[1-9]|1[012])[- ](0?[1-9]|[12][0-9]|3[01])$",
    "valid_year":"^(19|20)[0-9][0-9]$",
    "valid_month":"^(0?[1-9]|1[012])$",
    "valid_day":"^(0?[1-9]|[12][0-9]|3[01])$",
    "valid_age":"^[1-9][0-9]$",
    "valid_cvv2":"^[0-9]{3,4}$",
    "empty":"^$"
};

function isArray(testObject) {
    return testObject && !(testObject.propertyIsEnumerable('length')) && typeof testObject === 'object' && typeof testObject.length === 'number';
}

function isValidRegex(input, regex) {
    return input.match(new RegExp(regex)) != null;
}

function isNameValid(nameId) {
    return isValidRegex($('#' + nameId).val(), REGEX['valid_name']);
}

function isEmailValid(emailId) {
    return isValidRegex($('#' + emailId).val(), REGEX['valid_email']);
}

function isPhoneValid(phoneId) {
    return isValidRegex($('#' + phoneId).val(), REGEX['valid_phone']);
}

function isPromotionCodeValid(codeId) {
    return isValidRegex($('#' + codeId).val(), REGEX['valid_promotion_code']);
}

function isReservNumberValid(numberId) {
    return isValidRegex($('#' + numberId).val(), REGEX['valid_reservnum']);
}

function isPasswordValid(passwordId) {
    return isValidRegex($('#' + passwordId).val(), REGEX['valid_password']);
}

function isAddressValid(addressId) {
    return isValidRegex($('#' + addressId).val(), REGEX['valid_address']);
}

function isZipValid(zipId) {
    return isValidRegex($('#' + zipId).val(), REGEX['valid_zip']);
}

function isAgeValid(ageId) {
    var age = $('#' + ageId).val();
    return (isValidRegex(age, REGEX['valid_age']) && age >= 16);
}

function isCvv2Valid(id) {
    return isValidRegex($('#' + id).val(), REGEX['valid_cvv2']);
}

function equalValues(id, id2) {
    return $('#' + id).val() == $('#' + id2).val();
}

function isEmpty(id) {
    return $('#' + id).val() == '';
}

function isNonZero(id) {
    return $('#' + id).val() != '0';
}



function isChecked(id) {
    return $('#' + id + ':checked').length;
}

function fixPromotionCodeValue(id) {
    if (!isPromotionCodeValid(id.value)) {
        id.value = "";
        document.getElementById('promovalid').innerHTML = "Vigane PromoCode!";
    } else {
        document.getElementById('promovalid').innerHTML = "";
    }
}

function isCreditCardNumberValid(numberId) {
    var number = $('#' + numberId).val();
    if(number.length == 0) {
        return false;
    }
    var length = number.length;
    var idx = length - 2;
    var sum = 0;
    var digit = 0;
    var result = 0;

    for (var i = length - 1;i >= 0; i--) {
        digit = parseInt(number.substring(i, i+1), 10);
        if (i == idx) {
            idx -= 2;
            result = digit * 2;
            if (result >= 10) {
                sum += (result - 9);
            } else {
                sum += result;
            }
        } else {
            sum += digit;
        }
    }

    return sum % 10 == 0;
}

/*
function colorize(labelId, inputId, regexTags) {
  var color = matchAny(inputId, regexTags) ? 'black' : 'red';
  $('#' + labelId).css('color', color);
}

function matchAny(inputId, regexTags) {
  regexTagList = regexTags.split(':');
  for (var i = 0; i < regexTagList.length; i++) {
    if (isValidRegex($('#' + inputId).val(), REGEX[regexTagList[i]])) {
      return true;
    }
  }
  return false;
}

function matchAnyF(labelId, inputId, callbackList) {
  var ok = false;
  for (var i=0; i<callbackList.length; i++) {
    if (callbackList[i](inputId)) {
      ok = true;
    }
  }
  var color = ok ? 'black' : 'red';
  $('#' + labelId).css('color', color);
}

function validate(labelId, inputId, callback) {
  if(!callback(inputId)) {
    $('#' + labelId).css('color', 'red');
  } else {
    $('#' + labelId).css('color', 'black');
  }
}

*/

function userMessage(message) {
    alert(message);
}

function validateFunction(labelId, callback) {
    if (!callback) {
        $('#' + labelId).css('color', 'red');
    } else {
        $('#' + labelId).css('color', 'black');
    }
}


function colorize (labelId, inputId, callbacks) {
    var color = validate(inputId, callbacks) ? 'black' : 'red';
    $('#' + labelId).css('color', color);
}

/* return true, if any callback returns true */
function validate(inputId, callback) {
    if (isArray(callback)) {
        for (var i=0; i<callback.length; i++) {
            if (callback[i](inputId)) return true;
        }
        return false;
    } else {
        return callback(inputId);
    }
}

function checkStep3Form() {
    var message = "";
    var ok = true;

    function report(errMessage) {
        message += errMessage + "\n";
        ok = false;
    }

    if (!document.getElementById('terms').checked) report("You must accept terms and conditions in order to continue");
    if (!validate('firstname_input', isNameValid)) report("Firstname must be 2-50 characters long and contain only letters!");
    if (!validate('lastname_input', isNameValid)) report("Last name must be 2-50 characters long and contain only letters!");
    if (!validate('email_input', isEmailValid)) report ("E-mail is not valid!");
    if (!validate('phone_input', isPhoneValid)) report ("Phone number is not valid!");

    $('#firstname_input').keyup();
    $('#lastname_input').keyup();
    $('#email_input').keyup();
    $('#phone_input').keyup();
    $('#terms').change();

    if (!ok) {
        userMessage(message);
    }
    return ok;
}

function checkSearchboxForm() {
    var message = "";
    var ok = true;

    function report(errMessage) {
        message += errMessage + "\n";
        ok = false;
    }
    var d = $('#pickup_day').val();
    var m = $('#pickup_month').val().split('.')[0];
    var y = $('#pickup_month').val().split('.')[1];
    var pd = new Date(y,m-1,d);
    var cd = new Date();

    if (!validate('driver_age', isAgeValid)) report(invalid_driver_age);
    if ($('#pickup_country').val() == "0") report(invalid_pickup_country);
    if ($('#pickup_city').val() == "0") report(invalid_pickup_city);
    if ($('#pickup_location').val() == "0") report(invalid_pickup_location);
    if ($('#dropoff_country').val() == "0") report(invalid_dropoff_country);
    if ($('#dropoff_city').val() == "0") report(invalid_dropoff_city);
    if ($('#dropoff_location').val() == "0") report(invalid_dropoff_location);
    if(pd.getTime() <  cd.getTime() ) 	report(invalid_date);
  

 
  

  
  

    var inputs = ['driver_age', 'pickup_country', 'pickup_city', 'pickup_location', 'dropoff_country', 'dropoff_city', 'dropoff_location'];
    for (var i=0; i<inputs.length; i++) $('#' + inputs[i]).keyup();
    if (!ok) {
        userMessage(message);
    }
    return ok;
}

function checkBookForm(form) {
    var message = "";
    var ok = true;

    function report(errMessage) {
        message += errMessage + "\n";
        ok = false;
    }

    if (!validate('firstname_input', isNameValid)) report("Firstname must be 2-50 characters long and contain only letters!");
    if (!validate('lastname_input', isNameValid)) report("Last name must be 2-50 characters long and contain only letters!");
    if (!validate('email_input', isEmailValid)) report("E-mail is not valid!");
    if (!validate('phone_input', isPhoneValid)) report("Phone number is not valid!");
    if (!validate('address_input', isAddressValid)) report("Address is not valid!");
    if (!validate('city_input', isAddressValid)) report("City is not valid!");
    if (!validate('zip_input', isZipValid)) report("Postal Zip code not valid");
    if (validate('cc_holder', isEmpty)) report("Please enter the cardholders name");
    else if (!validate('cc_holder', isNameValid)) report("Cardholder name is not valid");
    if (validate('cc_number_input', isEmpty)) report("Please enter the credit card number");
    else if (!validate('cc_number_input', isCreditCardNumberValid)) report("Credit card number is not valid");
    //if (validate('cc_cvv2_input', isEmpty)) report("Please enter CVV2");
    //else if (!validate('cc_cvv2_input', isCvv2Valid)) report("CVV2 is not valid");

    if (ok) {
        form.submit();
        return true;
    }

    var inputs = ['firstname_input', 'lastname_input', 'email_input', 'phone_input', 'address_input', 'city_input',
    'zip_input', 'cc_holder', 'cc_number_input'];
    for (var i=0; i<inputs.length; i++) $('#' + inputs[i]).keyup();
    userMessage(message);
    return false;
}

function checkCustomerDataForm() {
    var message = "";
    var ok = true;

    function report(errMessage) {
        message += errMessage + "\n";
        ok = false;
    }
    if (!validate('firstname_input', isNameValid)) report("Firstname must be 2-50 characters long and contain only letters!");
    if (!validate('lastname_input', isNameValid)) report("Last name must be 2-50 characters long and contain only letters!");
    if (!validate('address', isAddressValid)) report("Address is not valid!");
    if (!validate('city', isAddressValid)) report("City is not valid!");
    if (!validate('state', [isAddressValid,isEmpty])) report("State is not valid!");
    if (!validate('zip', [isZipValid,isEmpty])) report("Postal Zip code not valid");
    //if (!validate('country', isAddressValid)) report("Country is not valid!");
    if (!validate('email_input', isEmailValid)) report("E-mail is not valid!");
    if (!validate('telephone_input', [isPhoneValid,isEmpty])) report("Phone number is not valid!");
    if (!validate('cellphone_input', [isPhoneValid,isEmpty])) report("Cell phone is not valid!");
    if (!validate('fax_input', [isPhoneValid,isEmpty])) report("Fax is not valid!");

    if (isEmpty('telephone_input') && isEmpty('cellphone_input')) report("Please provide your contact phone!");

    var inputs = ['firstname_input', 'lastname_input', 'address', 'city', 'state', 'zip', 'country', 'email_input',
    'telephone_input', 'cellphone_input', 'fax_input'];
    for (var i=0; i<inputs.length; i++) $('#' + inputs[i]).keyup();

    if (!ok) {
        userMessage(message);
    }
    return ok;
}