/*
* Really easy field validation with Prototype
* http://tetlaw.id.au/view/javascript/really-easy-field-validation
* Andrew Tetlaw
* Version 1.5.4.1 (2007-01-05)
* 
* Copyright (c) 2007 Andrew Tetlaw
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* 
*/
var Validator = Class.create();

Validator.prototype = {
	initialize : function(className, error, test, options) {
		if(typeof test == 'function'){
			this.options = $H(options);
			this._test = test;
		} else {
			this.options = $H(test);
			this._test = function(){return true};
		}
		this.error = error || 'Validation failed.';
		this.className = className;
	},
	test : function(v, elm) {
		return (this._test(v,elm) && this.options.all(function(p){
			return Validator.methods[p.key] ? Validator.methods[p.key](v,elm,p.value) : true;
		}));
	}
}
Validator.methods = {
	pattern : function(v,elm,opt) {return Validation.get('IsEmpty').test(v) || opt.test(v)},
	minLength : function(v,elm,opt) {return v.length >= opt},
	maxLength : function(v,elm,opt) {return v.length <= opt},
	min : function(v,elm,opt) {return v >= parseFloat(opt)}, 
	max : function(v,elm,opt) {return v <= parseFloat(opt)},
	notOneOf : function(v,elm,opt) {return $A(opt).all(function(value) {
		return v != value;
	})},
	oneOf : function(v,elm,opt) {return $A(opt).any(function(value) {
		return v == value;
	})},
	is : function(v,elm,opt) {return v == opt},
	isNot : function(v,elm,opt) {return v != opt},
	equalToField : function(v,elm,opt) {return v == $F(opt)},
	notEqualToField : function(v,elm,opt) {return v != $F(opt)},
	include : function(v,elm,opt) {return $A(opt).all(function(value) {
		return Validation.get(value).test(v,elm);
	})}
}

var Validation = Class.create();

Validation.prototype = {
	initialize : function(form, options){
		this.options = Object.extend({
			onSubmit : true,
			stopOnFirst : false,
			immediate : false,
			focusOnError : true,
			useTitles : false,
			onFormValidate : function(result, form) {},
			onElementValidate : function(result, elm) {}
		}, options || {});
		this.form = $(form);
		if(this.options.onSubmit) Event.observe(this.form,'submit',this.onSubmit.bind(this),false);
		if(this.options.immediate) {
			var useTitles = this.options.useTitles;
			var callback = this.options.onElementValidate;
			Form.getElements(this.form).each(function(input) { // Thanks Mike!
				Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback}); });
			});
		}
	},
	onSubmit :  function(ev){
		if(!this.validate()) Event.stop(ev);
	},
	validate : function() {
		alert_text = "";
		var result = false;
		var useTitles = this.options.useTitles;
		var callback = this.options.onElementValidate;
		
		if(this.options.stopOnFirst) {
			result = Form.getElements(this.form).all(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); });
		} else {
			result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); }).all();
		}
		if(!result && this.options.focusOnError) {
			Form.getElements(this.form).findAll(function(elm){return $(elm).hasClassName('validation-failed')}).first().focus()
		}
		this.options.onFormValidate(result, this.form);
	
		if(alert_text !== "")
			alert("Please complete all required fields:\n\n"+alert_text);
	
		return result;
	},
	reset : function() {
		Form.getElements(this.form).each(Validation.reset);
	}
}

Object.extend(Validation, {
	validate : function(elm, options){
		options = Object.extend({
			useTitle : false,
			onElementValidate : function(result, elm) {}
		}, options || {});
		elm = $(elm);
		var cn = elm.classNames();

		return result = cn.all(function(value) {
			var test = Validation.test(value,elm,options.useTitle);

			if (test == false)
			{
				if (elm.name == "first_name")
					alert_text += "Please enter your first name.\n\n";
				else if (elm.name == "last_name")
					alert_text += "Please enter your last name.\n\n";
				else if (elm.name == "address")
					alert_text += "Please enter your mailing address.\n\n";
				else if (elm.name == "city")
					alert_text += "Please enter your city.\n\n";
				else if (elm.name == "state")
					alert_text += "Please enter your state.\n\n";
				else if (elm.name == "zip")
					alert_text += "Please enter your zip code.\n\n";
				else if (elm.name == "day_phone_1" || elm.name == "day_phone_2" || elm.name == "day_phone_3")
					alert_text += "Please enter only digits in the daytime phone number field.\n\n";
				else if (elm.name == "eve_phone_1" || elm.name == "eve_phone_2" || elm.name == "eve_phone_3")
					alert_text += "Please enter only digits in the evening phone number field.\n\n";
				else if (elm.name == "date_month")
					alert_text += "Please enter a valid birth date month.\n\n";
				else if (elm.name == "date_day")
					alert_text += "Please enter a valid birth date day.\n\n";
				else if (elm.name == "date_year")
					alert_text += "Sorry, only persons over the age of 18 may enter this sweepstakes.\n\n";
				else if (elm.name == "email")
					alert_text += "Please enter a valid email address.\n\n";
				else if (elm.name == "agree_to_rules")
					alert_text += "You must agree to the rules of this sweepstakes before you can proceed. Click the checkbox labeled 'I have read and accept the rules of this sweepstakes.' below to agree, then click 'Submit' again.\n\n";
			}

			options.onElementValidate(test, elm);
			return test;
		});
	},
	test : function(name, elm, useTitle) {
		var v = Validation.get(name);
		var prop = '__advice'+name.camelize();
		try {
		if(Validation.isVisible(elm) && !v.test($F(elm), elm)) {
			if(!elm[prop]) {
				var advice = Validation.getAdvice(name, elm);

				if(advice == null) {
					var errorMsg = useTitle ? ((elm && elm.title) ? elm.title : v.error) : v.error;
					advice = '<div class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="display:none">' + errorMsg + '</div>'
									
					switch (elm.type.toLowerCase()) {
						case 'checkbox':
						case 'radio':
							var p = elm.parentNode;
							if(p) {
								new Insertion.Bottom(p, advice);
							} else {
								new Insertion.After(elm, advice);
							}
							break;
						default:
							new Insertion.After(elm, advice);
				    }
					advice = Validation.getAdvice(name, elm);
				}
				if(typeof Effect == 'undefined') {
					advice.style.display = 'block';
				} else {
					new Effect.Appear(advice, {duration : 1 });
				}
			}
			elm[prop] = true;
			elm.removeClassName('validation-passed');
			elm.addClassName('validation-failed');

			return false;
		} else {
			var advice = Validation.getAdvice(name, elm);
			if(advice != null) advice.hide();
			elm[prop] = '';
			elm.removeClassName('validation-failed');
			elm.addClassName('validation-passed');
			return true;
		}

		} catch(e) {
			throw(e)
		}
	},
	isVisible : function(elm) {
		while(elm.tagName != 'BODY') {
			if(!$(elm).visible()) return false;
			elm = elm.parentNode;
		}
		return true;
	},
	getAdvice : function(name, elm) {
		return $('advice-' + name + '-' + Validation.getElmID(elm)) || $('advice-' + Validation.getElmID(elm));
	},
	getElmID : function(elm) {
		return elm.id ? elm.id : elm.name;
	},
	reset : function(elm) {
		elm = $(elm);
		var cn = elm.classNames();
		cn.each(function(value) {
			var prop = '__advice'+value.camelize();
			if(elm[prop]) {
				var advice = Validation.getAdvice(value, elm);
				advice.hide();
				elm[prop] = '';
			}
			elm.removeClassName('validation-failed');
			elm.removeClassName('validation-passed');
		});
	},
	add : function(className, error, test, options) {
		var nv = {};
		nv[className] = new Validator(className, error, test, options);
		Object.extend(Validation.methods, nv);
	},
	addAllThese : function(validators) {
		var nv = {};
		$A(validators).each(function(value) {
				nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));
			});
		Object.extend(Validation.methods, nv);
	},
	get : function(name) {
		return  Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];
	},
	methods : {
		'_LikeNoIDIEverSaw_' : new Validator('_LikeNoIDIEverSaw_','',{})
	}
});

Validation.add('IsEmpty', '', function(v) {
				return  ((v == null) || (v.length == 0)); // || /^\s+$/.test(v));
			});

Validation.addAllThese([
	['required', 'This is a required field.', function(v) {
				return !Validation.get('IsEmpty').test(v);
			}],
	['validate-number', 'Please enter a valid number in this field.', function(v) {
				return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/^\s+$/.test(v));
			}],
	['validate-digits', 'Please use numbers only in this field. please avoid spaces or other characters such as dots or commas.', function(v) {
				return Validation.get('IsEmpty').test(v) || !/[^\d]/.test(v);
			}],
	['validate-alpha', 'Please use letters only (a-z) in this field.', function (v) {
				return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.test(v)
			}],
	['validate-alphanum', 'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.', function(v) {
				return Validation.get('IsEmpty').test(v) ||  !/\W/.test(v)
			}],
	['validate-date', 'Please enter a valid date.', function(v) {
				var test = new Date(v);
				return Validation.get('IsEmpty').test(v) || !isNaN(test);
			}],
	['validate-birthdate', 'Sorry, only persons over the age of 18 may enter this site.', function(v) {
				var day = j("#date_day").val();
				var month = j("#date_month").val();
				var year = j("#date_year").val();
				var age = 18;
 
				var mydate = new Date();
				mydate.setFullYear(year, month-1, day);
 
				var currdate = new Date();
				currdate.setFullYear(currdate.getFullYear() - age);
				if ((currdate - mydate) < 0){
				return false;
				}
				return true;
			}],
	['validate-email', 'Please enter a valid email address. For example fred@domain.com .', function (v) {
				return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
			}],
	['validate-url', 'Please enter a valid URL.', function (v) {
				return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
			}],
	['validate-notzero', 'Please enter a digit greater than 0 in this field.', function(v) {
				return Validation.get('IsEmpty').test(v) || (!isNaN(v) && v != '0' && v != '00' && v != '000' && v != '0000' && !/^\s+$/.test(v));
			}],
	['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.', function(v) {
				if(Validation.get('IsEmpty').test(v)) return true;
				var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
				if(!regex.test(v)) return false;
				var d = new Date(v.replace(regex, '$2/$1/$3'));
				return ( parseInt(RegExp.$2, 10) == (1+d.getMonth()) ) && 
							(parseInt(RegExp.$1, 10) == d.getDate()) && 
							(parseInt(RegExp.$3, 10) == d.getFullYear() );
			}],
	['validate-currency-dollar', 'Please enter a valid $ amount. For example $100.00 .', function(v) {
				// [$]1[##][,###]+[.##]
				// [$]1###+[.##]
				// [$]0.##
				// [$].##
				return Validation.get('IsEmpty').test(v) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(v)
			}],
	['validate-selection', 'Please make a selection', function(v,elm){
				return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);
			}],
	['validate-one-required', 'Please select one of the above options.', function (v,elm) {
				var p = elm.parentNode;
				var options = p.getElementsByTagName('INPUT');
				return $A(options).any(function(elm) {
					return $F(elm);
				});
			}]
]);