// JQuery for Feature Image Rotator
$(window).load(function(){
	$('#cr-container').crotator({
		// slideshow on
		autoplay 			: true
	});
});

jQuery.fn.anchorAnimate = function(settings) {

 	settings = jQuery.extend({
		speed : 2000
	}, settings);

	return this.each(function(){
		var caller = this
		$(caller).click(function (event) {
			event.preventDefault()
			var locationHref = window.location.href
			var elementClick = $(caller).attr("href")
			
			var destination = $(elementClick).offset().top;
			$("html:not(:animated),body:not(:animated)").animate({ scrollTop: destination}, settings.speed, function() {
				window.location.hash = elementClick
			});
		  	return false;
		})
	})
}

$(function(){
	// Anchor Slider
	$("a.anchorLink").anchorAnimate();
	
	// Tabs
	//When page loads...
	$(".tab_content").hide(); //Hide all content
	$("ul.tabs li:first").addClass("active").show(); //Activate first tab
	$(".tab_content:first").show(); //Show first tab content

	//On Click Event
	$("ul.tabs li").click(function() {

		$("ul.tabs li").removeClass("active"); //Remove any "active" class
		$(this).addClass("active"); //Add "active" class to selected tab
		$(".tab_content").hide(); //Hide all tab content

		var activeTab = $(this).find("a").attr("href"); //Find the href attribute value to identify the active tab + content
		$(activeTab).fadeIn(); //Fade in the active ID content
		return false;
	});

	// Contact Form
	//set global variables and cache DOM elements for reuse later
	var form = $('#contact-form').find('form'),
		formElements = form.find('input[type!="submit"],textarea'),
		formSubmitButton = form.find('[type="submit"]'),
		errorNotice = $('#errors'),
		successNotice = $('#success'),
		loading = $('#loading'),
		errorMessages = {
			required: ' is a required field',
			email: 'You have not entered a valid email address for the field: ',
			minlength: ' must be greater than '
		}

	//feature detection + polyfills
	formElements.each(function(){

		//if HTML5 input placeholder attribute is not supported
		if(!Modernizr.input.placeholder){
			var placeholderText = this.getAttribute('placeholder');
			if(placeholderText){
				$(this)
					.addClass('placeholder-text')
					.val(placeholderText)
					.bind('focus',function(){
						if(this.value == placeholderText){
							$(this)
								.val('')
								.removeClass('placeholder-text');
						}
					})
					.bind('blur',function(){
						if(this.value == ''){
							$(this)
								.val(placeholderText)
								.addClass('placeholder-text');
						}
					});
			}
		}

		//if HTML5 input autofocus attribute is not supported
		if(!Modernizr.input.autofocus){
			if(this.getAttribute('autofocus')) this.focus();
		}

	});

	//to ensure compatibility with HTML5 forms, we have to validate the form on submit button click event rather than form submit event.
	//An invalid html5 form element will not trigger a form submit.
	formSubmitButton.bind('click',function(){
		var formok = true,
			errors = [];

		formElements.each(function(){
			var name = this.name,
				nameUC = name.ucfirst(),
				value = this.value,
				placeholderText = this.getAttribute('placeholder'),
				type = this.getAttribute('type'), //get type old school way
				isRequired = this.getAttribute('required'),
				minLength = this.getAttribute('data-minlength');

			//if HTML5 formfields are supported
			if( (this.validity) && !this.validity.valid ){
				formok = false;

				console.log(this.validity);

				//if there is a value missing
				if(this.validity.valueMissing){
					errors.push(nameUC + errorMessages.required);
				}
				//if this is an email input and it is not valid
				else if(this.validity.typeMismatch && type == 'email'){
					errors.push(errorMessages.email + nameUC);
				}

				this.focus(); //safari does not focus element an invalid element
				return false;
			}

			//if this is a required element
			if(isRequired){
				//if HTML5 input required attribute is not supported
				if(!Modernizr.input.required){
					if(value == placeholderText){
						this.focus();
						formok = false;
						errors.push(nameUC + errorMessages.required);
						return false;
					}
				}
			}

			//if HTML5 input email input is not supported
			if(type == 'email'){
				if(!Modernizr.inputtypes.email){
					var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
				 	if( !emailRegEx.test(value) ){
						this.focus();
						formok = false;
						errors.push(errorMessages.email + nameUC);
						return false;
					}
				}
			}

			//check minimum lengths
			if(minLength){
				if( value.length < parseInt(minLength) ){
					this.focus();
					formok = false;
					errors.push(nameUC + errorMessages.minlength + minLength + ' charcters');
					return false;
				}
			}
		});

		//if form is not valid
		if(!formok){

			//animate required field notice
			$('#req-field-desc')
				.stop()
				.animate({
					marginLeft: '+=' + 5
				},150,function(){
					$(this).animate({
						marginLeft: '-=' + 5
					},150);
				});

			//show error message
			showNotice('error',errors);

		}
		//if form is valid
		else {
			loading.show();
			$.ajax({
				url: form.attr('action'),
				type: form.attr('method'),
				data: form.serialize(),
				success: function(){
					showNotice('success');
					form.get(0).reset();
					loading.hide();
				}
			});
		}

		return false; //this stops submission off the form and also stops browsers showing default error messages

	});

	//other misc functions
	function showNotice(type,data)
	{
		if(type == 'error'){
			successNotice.hide();
			errorNotice.find("li[id!='info']").remove();
			for(x in data){
				errorNotice.append('<li>'+data[x]+'</li>');
			}
			errorNotice.show();
		}
		else {
			errorNotice.hide();
			successNotice.show();
		}
	}

	String.prototype.ucfirst = function() {
		return this.charAt(0).toUpperCase() + this.slice(1);
	}
	
	// Rollover states for Portfolio items
	
	if($('div.item').size()){
		var $item = $('div.item');
		$($item).hover(function(){
			$(this).addClass('hover').find('.mask').fadeIn(400);
		},
		function(){
			$(this).removeClass('hover').find('.mask').fadeOut(400);
		});
	}

    Shadowbox.init();

    $(".item .tooltip").tooltip();
	
});

