/**
 * Fonction d'ouverture du choix de la langue (top)
 */
function toggleLang(name)
{
	var o = $(name);
	if (o.visible()) {
		o.hide();
	} else {
		o.show();	
	}
} // fin de toggleLang

/**
 * Fonction de confirmation de l'âge
 */
function ageConfirm(state)
{
	if (state == 1) {
		$('light').hide();
		$('fade').hide();
	} else {
		$('light').hide();
		$('min_light').show();
	}
	
	var url = '_action.php?a=age_confirm&state=' + state;
	new Ajax.Request(url, {
		method: 'get',
		onSuccess: function(transport) {
			//container.update(transport.responseText);
		}
	});
} // fin de ageConfirm

/**
 * Fonction d'ouverture de popup Apero
 */
function displayPopup(url)
{
	var a = new Display.DivForm( {
		onFinish: function() {
			var container = $("container-popup");	
			container.update('Loading ...');
			new Ajax.Request(url, {
				method: 'get',
				onSuccess: function(transport) {
					container.update(transport.responseText);
					if ($('box-friend')) {
						addRecipeFriend();
					}
				}
			});
		}
	}).open();	
} // fin de displayPopup
function closePopup()
{
	new Display.DivForm().close();
}
function submitRecipeInvitation(share)
{
	var data = {
		lastname:{
			need:true,
			message: "You must fill your lastname"
		},
		firstname:{
			need:true,
			message: "You must fill your firstname"
		},
		email:{
			need:true,
			type:"email",
			message: "You must fill a valid email"
		},
		id_grape:{
			need:true,
			message: "You must specify the grape variety"
		},
		date:{
			need:true,
			message: "You must fill the date"
		},
		location:{
			need:true,
			message: "You must fill the location"
		}
	};
	
	if (!share) {
		for (var i=1; i <= $('nb').value; i++) {
			data["friend_lastname" + i] = {
				need: true,
				message: "You must specify the lastname of your guest n°" + i
			};
			data["friend_firstname" + i] = {
				need: true,
				message: "You must specify the firstname of your guest n°" + i
			};
			data["friend_email" + i] = {
				need: true,
				message: "You must specify a valid email for your guest n°" + i
			};
		}
	}
	
	var form = new Page.Form("form_starter_invitation");
	var result = form.verif(data, { message: "<strong>Please verify the form</strong>" });

	// on soumet si la verification de formulaire n'a pas échoué
	if (result) {
		
		if (!share) {
	
			startWait();
			
			// soumission du formulaire en ajax
			$('form_starter_invitation').request({
				onComplete: function(transport){
					stopWait();				
					new Display.Message("<strong>Your message has been well sent</strong>", {cssClass: "form-info",speed:0.3});				
					closePopup();
				}
			});
			
		} else {
			shareRecipe(share);
		}
	}
}

function shareRecipe(type)
{
	var share;
	var url = "http://www.vindefrance-cepages.org/idees-apero-recettes.php?id=" + $('id_grape').value;
	var msg = "I invite you: " + $('id_grape').options[$('id_grape').selectedIndex].text + " on " + $('date').value
	if ($('hour').value) {
		msg += " at " + $('hour').value + ":" + $('min').value;
	}
	if ($('location').value) {
		msg += ", " + $('location').value;
	}
	msg += "  www.vindefrance.org";
	msg = encodeURIComponent(msg);
	switch (type) {
		case "facebook":
			share = "http://www.facebook.com/sharer.php?u=" + url + "&t=" + msg;
		break;
		case "twitter":
			share = "http://twitter.com/home?status=" + msg + " > " + url;
		break;
	}	
	window.open(share);	
}

function addRecipeFriend()
{
	$('nb').value = parseInt($('nb').value) + 1;
	var o = $('box-friend').innerHTML;
	o = o.replace(/\{i\}/g, $('nb').value);
	
	var div = document.createElement('div');
	div.update(o);
	
	$('container-friend').appendChild(div);
}

/**
 * Declenchements lors d'actions qui demande du temps
 */
var w = null;
function startWait()
{
	w = new Display.Wait({cache:true, ajaxImg: 'img/ajax-loader.gif'});
} // fin de startWait

function stopWait()
{
	w.close();
} // fin de stopWait

Event.observe(window, 'load', function() {
	// mise en cache de l'image de loading
	var img = new Element('img', { src: 'img/ajax-loader.gif' } );
	img.hide();
	$('conteneur').insert({bottom: img });
	
	if ($('pro-content')) {	
		$('pro-content').select('input[type="text"], textarea').each( function(el) {
			if (el.alt) {
				Event.observe(el, 'focus', fieldChange);
				Event.observe(el, 'blur', fieldChange);
				fieldInit(el);
			}
		} );		
		Event.observe('form-edit', 'submit', function(event) {
			$('pro-content').select('input[type="text"], textarea').each( function(el) {
				if (el.alt) {
					if (el.value == el.alt)
						el.value = "";
				}
			} );
			window.scrollTo(0,0);
			startWait();
		} );
	}
});

function fieldChange(event)
{
	fieldInit(this);
}
function fieldInit(el)
{
	if (el.value == el.alt) {
		el.value = "";
		el.style.color = null;
	} else if (el.value == "") {
		el.value = el.alt;
		el.style.color = "#ccc";
	}
}