/**
 *	@version	0.1
 *	@author:	Smily.Liang
 *	@company:	MikeCRM
 *	@date:		2013-8-29 update
 *	@copyright:	Copyright (c) MikeCRM(http://www.mikecrm.com)
 *  ---------------------------------------------------------
 *  功能：
 *  1、input框的验证(required>maxlength>minlgth>email>phone>equalTo>remote>checkboxMax>checkboxEqual>checkboxMin)
**/
(function($) {
	$.fn.mikeValidate = function(options){
		//初始化数据

		var defaults = {
			rules: {
				//初始化规则
				required: false,
				maxlength: false,
				minlength: false,
				email: false,
				equalTo: false,
				remote: false,
				checkboxMax: false,
				checkboxEqual: false,
				checkboxMin: false
			},
			messages: {
				//初始化错误提示信息
				required: "此项为必填项",
				maxlength: "太长了，不要输那么多",
				minlength: "太短了，多输一点啦",
				email: "请输入正确格式的电子邮件",
				equalTo: "两次输入不同，请重新输入",
				remote: "请修正该字段",
				checkboxMax: "多于限制选项数",
				checkboxEqual: "不等于限制选项数",
				checkboxMin: "少于限制选项数"
			},
			onkeyup:true,
			onfocusout: true,
			onsubmit: true,
			submitHandler: function() {
				
			}
		};

		options = jQuery.extend(defaults, options);

		// 验证各种组件是否符合标准
		var _requiredField = function ( element ){
			var count = 0;
			if( element.attr("type")=="checkbox" || element.attr("type")=="radio" ){
				$("[name='"+element.attr("name")+"']").each(function(){
					if($(this).attr("checked")){
						count++;
					}
				});
				return !count; // 有值时返回false；
			} else if(element.attr("type")=="text" || element.hasClass("textarea")){
				var elementValue = element.val().replace(/\s/g,"");		// 将空格处理之后进行判断
				return !elementValue;
			} else if(element.attr("type")=="file"){
				var elementFile = element.attr('hasFile');
				return !elementFile;
			} else if(element.hasClass('starGroup')){
				var _val = parseInt(element.attr('starselected'));
				if(_val > 0){
					return false;
				} else {
					return true;
				}
			}
		};
		//验证的方法——默认顺序：required>maxlength>minlength>email>phone>equalTo>remote>checkboxMax>checkboxEqual>checkboxMin
		function validate(element,type){
			var errorType = "required",_field;
			if (options.rules.required !== true && options.rules.required !== false) {
				options.rules.required = options.rules.required();
			}
			_field = _requiredField( element );

			if (options.rules.required) {
				if ( _field && type!=='FOCUSOUT' ) {// if (element.val() == "") {
					return check.error(errorType,element);
				}else{
					return maxlength(element);
				}
			}else{
				
				if (element.val() == "" && (element.attr("type")=="text" || element.hasClass("textarea"))) {
					check.valid(element);
				} else {
					return maxlength(element);
				}
			}
		}
		function maxlength(element){
			if (options.rules.maxlength) {
				errorType = "maxlength";
				if ( element.val().length > options.rules.maxlength ) {
					return check.error(errorType,element);
				}else{
					return minlength(element);
				}
			}else{
				return minlength(element);
			}
		}
		function minlength(element){
			if (options.rules.minlength) {
				errorType = "minlength";
				if ( element.val().length < options.rules.minlength ) {
					return check.error(errorType,element);
				}else{
					return email(element);
				}
			}else{
				return email(element);
			}
		}
		function email(element){
			if (options.rules.email) {
				errorType = "email";
				if ( !/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i.test(element.val()) ) {
					return check.error(errorType,element);
				}else{
					return equalTo(element);
				}
			}else{
				return equalTo(element);
			}
		}
		function equalTo(element){
			if (options.rules.equalTo) {
				errorType = "equalTo";
				if ( element.val() !=  options.rules.equalTo.val() ) {
					return check.error(errorType,element);
				}else{
					return remote(element);
				}
			}else{
				return remote(element);
			}
		}
		function remote(element){
			if (options.rules.remote) {
				if (element.val()!=="") {
					errorType = "remote";
					$.ajax({
						type: "POST",
						dataType: "JSON",
						url: options.rules.remote.url,
						data: options.rules.remote.data,
						success: function(data){
							if (data.flag) {
								return checkboxMax(element);
								// return check.valid(element);
							}else{
								return check.error(errorType,element);
							}
						}
					});
				}
			}else{
				return checkboxMax(element);
				// return check.valid(element);
			}
		}
		function checkboxMax(element){
			if (options.rules.checkboxMax) {
				errorType = "checkboxMax";
				var checkNum = 0;
				if( element.attr("type")=="checkbox"){
					$("[name='"+element.attr("name")+"']").each(function(){
						if($(this).attr("checked")){
							checkNum++;
						}
					});
					if ( checkNum > options.rules.checkboxMax) {
						return check.error(errorType,element);
					}else{
						return checkboxEqual(element);
					}					
				}else{
					return checkboxEqual(element);
				}
			}else{
				return checkboxEqual(element);
			}
		}
		function checkboxEqual(element){
			if (options.rules.checkboxEqual) {
				errorType = "checkboxEqual";
				var checkNum = 0;
				if( element.attr("type")=="checkbox"){
					$("[name='"+element.attr("name")+"']").each(function(){
						if($(this).attr("checked")){
							checkNum++;
						}
					});
					if ( checkNum ==  options.rules.checkboxEqual ) {
						return checkboxMin(element);
					}else{
						return check.error(errorType,element);
					}					
				}else{
					return checkboxMin(element);
				}
			}else{
				return checkboxMin(element);
			}
		}
		function checkboxMin(element){
			if (options.rules.checkboxMin) {
				errorType = "checkboxMin";
				var checkNum = 0;
				if( element.attr("type")=="checkbox"){
					$("[name='"+element.attr("name")+"']").each(function(){
						if($(this).attr("checked")){
							checkNum++;
						}
					});
					if ( checkNum <  options.rules.checkboxMin) {
						return check.error(errorType,element);
					}else{
						return check.valid(element);
					}					
				}else{
					return check.valid(element);
				}
			}else{
				return check.valid(element);
			}
		}


		//验证的结果
		var check ={
			valid: function(element){
				if( element.attr("type")=="checkbox" || element.attr("type")=="radio" ){
					element.closest("div").siblings(".title").find("label.error").remove();
				} else if(element.attr("type")=="text"|| element.hasClass("textarea") ){
					element.removeClass("error");
					element.closest("div").siblings(".title").find("label.error").remove();
				} else if(element.attr("type")=="file"){
					element.parent().removeClass("error");
					element.parent().parent().siblings(".title").find("label.error").remove();
				} else if(element.hasClass('starGroup')){
					element.parent().siblings(".title").find("label.error").remove();
				}
				return true;
			},
			error: function(errorType,element){
				if( element.attr("type")=="checkbox" || element.attr("type")=="radio" ){
					element.closest("div").siblings(".title").find("label.error").remove();
					element.nextAll().andSelf().last().closest("div").siblings(".title").append("<label class='error'>"+options.messages[errorType]+"</label>");
				} else if(element.attr("type")=="text"|| element.hasClass("textarea") ){
					element.addClass("error");
					element.parent().siblings(".title").find("label.error").remove();
					element.parent().siblings(".title").append("<label class='error'>"+options.messages[errorType]+"</label>");
				} else if(element.attr("type")=="file"){
					element.parent().addClass("error");
					element.parent().parent().siblings(".title").find("label.error").remove();
					element.parent().parent().siblings(".title").append("<label class='error'>"+options.messages[errorType]+"</label>");
				} else if(element.hasClass('starGroup')){
					element.parent().siblings(".title").find("label.error").remove();
					element.parent().siblings(".title").append("<label class='error'>"+options.messages[errorType]+"</label>");
				}
				// var labelWidth = element.closest(".locked").find(".title").width()+70;
				// element.closest(".locked").find("label.error").css("left",labelWidth);

				return false;
			}
		};

		return this.each(function(){

			// 绑定自定义事件，触发提交验证
			$(this).bind("submitValidate", function(e){
				validate($(e.target));
			});

			//input正在输入时验证——默认为true
			if (options.onkeyup) {
				$(this).keyup(function(){
					validate($(this));
				});
				if( $(this).attr("type")=="checkbox" || $(this).attr("type")=="radio" ){
					$(this).change(function(){
						validate($(this));
					});
				}
			}

			//input失去焦点时进行验证——默认为true
			if (options.onfocusout) {
				$(this).focusout(function(){
					validate($(this),'FOCUSOUT');
				});
			}

			if($(this).hasClass('starGroup')){
				$(this).click(function() {
					validate($(this));
				});
			}

			//点击class为validate_submit的提交按钮式先进行验证——默认为true
			if (options.onsubmit) {
				$(this).closest("form").find(".validate_submit").unbind("click");
				$(this).closest("form").find(".validate_submit").bind("click",function(){

					$(this).closest("form").find("input").each(function(){
						$(this).trigger("submitValidate");
					});
					$(this).closest("form").find("textarea").each(function(){
						$(this).trigger("submitValidate");
					});
					$(this).closest("form").find(".starGroup").each(function(){
						$(this).trigger("submitValidate");
					});
					if ($("label.error").length === 0) {
						options.submitHandler();
					} else {
						return false;
					}
					
					//var errorCount = 0;
					//这里也可以添加其他验证
					//$(this).closest("form").find("input").each(function(){
					//if( !validate($(this)) ){
					//		errorCount++;
					//	}
					//});
					//errorCount==0，说明验证通过，提交表单
					//if (errorCount == 0) {
					//	options.submitHandler();
					//};
				});
			}
		});
	};
})(jQuery);