/*
 * 
 * Utopic Farm 2010
 * @author Tolga Arican
 * @website www.utopicfarm.com
 * @version 1.0.4
 * 
 */

// FORM VALIDATOR JQUERY PLUGIN - START
(function($) {

	$.fn.formValidator = function(options) {
		$(this).click(function() {

			var result = $.formValidator(options);

			if (result && jQuery.isFunction(options.onSuccess)) {
				options.onSuccess();
				return false;
			} else if (!result && jQuery.isFunction(options.onError)) {
				options.onError();
				return false;
			} else {
				return result;
			}
		});
	};

	$.formValidator = function(options) {

		// merge options with defaults
		var merged_options = $.extend( {}, $.formValidator.defaults, options);

		// result boolean
		var boolValid = true;

		// result error message
		var errorMsg = '';

		// clean errors
		$(
				merged_options.scope + ' .error-both, ' + merged_options.scope
						+ ' .error-same, ' + merged_options.scope
						+ ' .error-input').removeClass('error-both')
				.removeClass('error-same').removeClass('error-input');
		$('.error-div').hide();

		// gather inputs & check is valid
		$(
				merged_options.scope + ' .req-email, ' + merged_options.scope
						+ ' .req-string, ' + merged_options.scope
						+ ' .req-same, ' + merged_options.scope
						+ ' .req-both, ' + merged_options.scope
						+ ' .req-numeric, ' + merged_options.scope
						+ ' .req-date, ' + merged_options.scope + ' .req-min')
				.each(
						function() {
							thisValid = $.formValidator.validate($(this),
									merged_options);
							boolValid = boolValid && thisValid.error;
							if (!thisValid.error)
								errorMsg = thisValid.message;
						});

		// check extra bool
		if (!merged_options.extraBool() && boolValid) {
			boolValid = false;
			errorMsg = merged_options.extraBoolMsg;
		}

		// submit form if there is and valid
		if ((merged_options.scope != '') && boolValid) {
			$(merged_options.errorDiv).fadeOut();
		}

		// if there is errorMsg print it if it is not valid
		if (!boolValid && errorMsg != '') {

			var tempErr = (merged_options.customErrMsg != '') ? merged_options.customErrMsg
					: errorMsg;
			$(merged_options.errorDiv).hide().html(tempErr).fadeIn();
		}

		return boolValid;
	};

	$.formValidator.validate = function(obj, opts) {
		if(obj.attr('disabled') == true)
		{
			return {
				error : true,
				message : ''
			};
		}
		
		var valAttr = obj.val();
		var css = opts.errorClass;
		var mail_filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		var numeric_filter = /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)|(^-?\d*$)/;
		var tmpresult = true;
		var result = true;
		var errorTxt = '';

		// REQUIRED FIELD VALIDATION
		if (obj.hasClass('req-string')) {
			tmpresult = (valAttr != '');
			if (!tmpresult){
				$.formValidator.showError(obj);
				errorTxt = opts.errorMsg.reqString;
			}
			result = result && tmpresult;
		}
		// SAME FIELD VALIDATION
		if (obj.hasClass('req-same')) {

			tmpresult = true;

			group = obj.attr('rel');
			tmpresult = true;
			$(opts.scope + ' .req-same[rel="' + group + '"]').each(function() {
				if ($(this).val() != valAttr || valAttr == '') {
					tmpresult = false;
				}
			});
			if (!tmpresult) {
				$(opts.scope + ' .req-same[rel="' + group + '"]').parent()
						.parent().addClass('error-same');
				errorTxt = opts.errorMsg.reqSame;
			} else {
				$(opts.scope + ' .req-same[rel="' + group + '"]').parent()
						.parent().removeClass('error-same');
			}

			result = result && tmpresult;
		}
		// BOTH INPUT CHECKING
		// if one field entered, the others should too.
		if (obj.hasClass('req-both')) {

			tmpresult = true;

			if (valAttr != '') {

				group = obj.attr('rel');

				$(opts.scope + ' .req-both[rel="' + group + '"]').each(
						function() {
							if ($(this).val() == '') {
								tmpresult = false;
							}
						});

				if (!tmpresult) {
					$(opts.scope + ' .req-both[rel="' + group + '"]').parent()
							.parent().addClass('error-both');
					errorTxt = opts.errorMsg.reqBoth;
				} else {
					$(opts.scope + ' .req-both[rel="' + group + '"]').parent()
							.parent().removeClass('error-both');
				}
			}

			result = result && tmpresult;
		}
		// E-MAIL VALIDATION
		if (obj.hasClass('req-email')) {
			tmpresult = mail_filter.test(valAttr);
			if (!tmpresult) {
				$.formValidator.showError(obj);
				errorTxt = (valAttr == '') ? opts.errorMsg.reqMailEmpty
						: opts.errorMsg.reqMailNotValid;
			}
			result = result && tmpresult;
		}
		// DATE VALIDATION
		if (obj.hasClass('req-date')) {

			tmpresult = true;

			var arr = valAttr.split(opts.dateSeperator);
			var curDate = new Date();

			if (valAttr == '') {

				tmpresult = true;
			} else {
				if (arr.length < 3) {
					tmpresult = false;
				} else {
					tmpresult = (arr[0] <= 12) && (arr[1] <= 31);
				}
			}

			if (!tmpresult) {
				$.formValidator.showError(obj);
				errorTxt = opts.errorMsg.reqDate;
			}
			result = result && tmpresult;
		}
		// MINIMUM REQUIRED FIELD VALIDATION
		if (obj.hasClass('req-min')) {
			tmpresult = (valAttr.length >= obj.attr('minlength'));
			if (!tmpresult) {
				$.formValidator.showError(obj);
				errorTxt = opts.errorMsg.reqMin.replace('%1', obj
						.attr('minlength'));
			}

			result = result && tmpresult;
		}
		// NUMERIC FIELD VALIDATION
		if (obj.hasClass('req-numeric')) {
			tmpresult = numeric_filter.test(valAttr);
			if (!tmpresult){
				$.formValidator.showError(obj);
				errorTxt = opts.errorMsg.reqNum;
			}
			result = result && tmpresult;
		}

		if (obj.attr('rel')) {
			if (result) {
				$('#' + obj.attr('rel')).removeClass(css);
			} else {
				$('#' + obj.attr('rel')).addClass(css);
			}
		} else {
			if (result) {
				obj.removeClass(css);
			} else {
				obj.addClass(css);
			}
		}

		return {
			error : result,
			message : errorTxt
		};
	};

	$.formValidator.showError = function(obj) {
		obj.siblings('.error-div').show('fast');
	};

	// CUSTOMIZE HERE or overwrite by sending option parameter
	$.formValidator.defaults = {
		onSuccess : null,
		onError : null,
		scope : '',
		errorClass : 'error-input',
		errorDiv : '#warn',
		errorMsg : {
			reqString : 'must be string',
			reqDate : 'must be date!',
			reqNum : 'must be number',
			reqMailNotValid : 'must be E-mail',
			reqMailEmpty : 'must be E-mail',
			reqSame : 'must be the same',
			reqBoth : 'must be both',
			reqMin : 'must be %1 characters'
		},
		customErrMsg : '',
		extraBoolMsg : 'Formu dikkatli kontrol edin!',
		dateSeperator : '/',
		extraBool : function() {
			return true;
		}
	};
})(jQuery);

// FORM VALIDATOR JQUERY PLUGIN - END