var __NOW_UID = new Date().getTime();
/*------------------------------------------*/
var __MESSAGE_REQUIRED = '"{0}" 不能为空，必须填写!';
var __MESSAGE_INVALID_DATE = '"{0}" 日期格式不正确!';
var __MESSAGE_DATE_BEFORE = '"{0}" 不能早于';
var __MESSAGE_DATE_AFTER = '"{0}" 不能晚于';
var __MESSAGE_INVALID_NUM = '"{0}" 数字格式不正确!';
var __MESSAGE_GT = '"{0}" 必须大于';
var __MESSAGE_LT = '"{0}" 必须小于';
var __MESSAGE_GE = '"{0}" 不能小于';
var __MESSAGE_LE = '"{0}" 不能大于';

function uuid() {
	return "U" + __NOW_UID ++;
}

$(document).ready(function(){
	$(document.body).validatable();
});

jQuery.fn.extend({
	validatable : function() {
		$("input.datepicker", $(this)).each(function(){
			var input = this;
			var pattern = typeof(input.format) !=  'undefined' ? input.pattern : 'yyyy-MM-dd';
			var offset = $(this).offset();
			$(this).attr('pattern', pattern).css("imeMode", "disabled").click(function(e) {
				var pos = $(this).offset();
				if (pos.left + $(this).width() - e.clientX < 18) {
					popCalendar(this, pattern, false);
				}
			});
		});
		$("input.numberbox", $(this)).keypress(function(evt){
			var key = evt.which;
			if (key != 45 && (key != 46 || $(this).hasClass("integer")) && key != 8 && key != 37 && key != 39 && (key < 48 || key > 57)) {
				evt.preventDefault();
			} else if (key == 46 && this.value.indexOf(".") != -1) {
				evt.preventDefault();
			}
		}).keyup(function(evt) {
			var ctrl = evt.ctrlKey;
			if (ctrl && evt.keyCode == 86) {
				if (isNaN(this.value)) this.value = '';
			}
		});
		$("input.required, input.datepicker, input.numberbox, select.required, textarea.required", $(this)).filter(":visible").each(function(){
			$(this).blur(function(){
				if (this.getAttribute("hcksid") == null) {
					this.setAttribute("hcksid", uuid());
				}
				var message = null;
				if ($(this).hasClass('required') && $.trim(this.value) == '') {
					message = __MESSAGE_REQUIRED;
				} else if ($(this).hasClass('datepicker')) {
					if (!validateDate(this.value, $(this).attr('pattern'))) {
						message = __MESSAGE_INVALID_DATE;
					}
					else {
						var matchResult = this.className.match(/(before|after)(#\w+)?/);
						if (matchResult != null && matchResult.length > 1) {
							var otherDate = __TODAY;
							if (matchResult.length > 2 && matchResult[2]) {
								var otherDp = document.getElementById(matchResult[2].substr(1));
								if (otherDp != null && otherDp.value.length > 0) {
									var otherDateArr = extractDate(otherDp.value, $(otherDp).attr('pattern'));
									otherDate = new Date(otherDateArr[0], otherDateArr[1], otherDateArr[2]);
								}
							}
							var thisDateArr = extractDate(this.value, $(this).attr('pattern'));
							var thisDate = new Date(thisDateArr[0], thisDateArr[1], thisDateArr[2]);
							if (thisDate.getTime() > otherDate.getTime() && matchResult[1] == 'before') {
								message = __MESSAGE_DATE_AFTER + otherDate.format();
							} else if (thisDate.getTime() < otherDate.getTime() && matchResult[1] == 'after') {
								message = __MESSAGE_DATE_BEFORE + otherDate.format();
							}
						}
						
					}
				} else if (this.value.length > 0 && $(this).hasClass('numberbox')) {
					if (isNaN(this.value) || this.value.match(/^\s+|\s+$/) != null) {
						message = __MESSAGE_INVALID_NUM;
					} else {
						var regx = /(?:^|\s)(gt|lt|ge|le)(-?\d+(?:\.\d+)?)/g;
						var mms = this.className.match(regx);
						if (mms != null) {
							for (var i = 0; i < mms.length; i++) {
								var r = /(?:^|\s)(gt|lt|ge|le)(-?\d+(?:\.\d+)?)/g;
								var matches = r.exec(mms[i]);
								if (matches != null && matches.length > 1) {
									var num = parseFloat(matches[2]);
									var thisnum = parseFloat(this.value);
									if (matches[1] == "gt" && (isNaN(thisnum) || thisnum <= num)) {
										message = __MESSAGE_GT + num;
									} else if (matches[1] == "lt" && (isNaN(thisnum) || thisnum >= num)) {
										message = __MESSAGE_LT + num;
									} else if (matches[1] == "ge" && (isNaN(thisnum) || thisnum < num)) {
										message = __MESSAGE_GE + num;
									} else if (matches[1] == "le" && (isNaN(thisnum) || thisnum > num)) {
										message = __MESSAGE_LE + num;
									} 
									if (message != null) break;
								}
							}
						}
					}
				}
				if (message != null) {
					$(this).addClass("x-form-invalid");
					var icons = $("#v" + this.getAttribute("hcksid"));
					message = message.replace(/"\{0\}"/g, this.title);
					alert(message);
				} else {
					$(this).removeClass("x-form-invalid");
					$("#v" + this.getAttribute("hcksid")).remove();
				}
			});
		});
		$("form", $(this)).submit(function() {
			if ($(this).attr("validate") == false) {
				return true;
			}
			var r = $(this).validate();
			if (r == false) {
				alert("表单填写有误，请检查带有红色叹号标记的表单");
			}
			if (r) {
				$("input[type=button]", this).each(function() {
					if (this.className.indexOf('enable') == -1) {
						this.disabled = true;
					}
				});
			}
			return r;
		});
		return $(this);
	},
	validate : function() {
		var valid = true;
		if ($(this).attr("validate") != "false") {
			$("input.required, input.datepicker, input.numberbox, select.required, textarea.required", this).filter(
				function() {
					return $(this).is(":visible") && $(this).parents(":hidden").length == 0;
				}
			).each( function() {
				$(this).blur();
				if (valid) {
					valid = !$(this).hasClass("x-form-invalid");
				}
			});
		}
		return valid;
	},
	revertValidation : function() {
		$(":text.x-form-invalid, select.x-form-invalid", this).each( function() {
			$(this).removeClass("x-form-invalid");
			$("#v" + this.getAttribute("hcksid")).remove();
		});
		return $(this);
	}
});