var valuta_arfolyamok = {'USD' : 309.65, 'EUR' : 356.38};var current_currency = 'EUR';
// most frissitettuk utoljara
var valuta_arfolyamok_last_refresh = new Date();

// volt frissitve az ar?
var valuta_arfolyamok_refreshed = 0;

var current_valuta_wrapper_parent = null;

// most nem adminban vagyunk
_ajax_subpath = '';

jQuery(document).ready(function() {
	
	var rates_text = get_exchange_rates_list();
	
	jQuery("body").append("<div id=\"valuta_valaszto_wrapper\" style=\"z-index: 1000; border: 1px solid black; min-width: 310px; width: auto; min-height: 50px; position: absolute; top: 50px; left: 240px; display: none;\"><div class='valuta-valaszto-header'><div onclick=\"jQuery('#valuta_valaszto_wrapper').hide();\" style=\"width:10px;float:right;clear:right;color: #F89E1B; cursor: pointer; font-weight: bold;\">x</div><div id='ajax_res_title' style=\"background-color: #cad9dd; color: #000000; padding: 3px;\">Válassza ki a kívánt árfolyamot!</div></div><div id='valuta_valaszto_content' style='text-align: left; padding: 10px; background-color: #ffffff;'>"+rates_text+"</div></div>");

//	jQuery('#valuta_valaszto_wrapper').show();
});

// arfolyam kivalaszto mutatasa
function show_currency_select(e) {
	//latszik vagy nem?
	if ( jQuery('#valuta_valaszto_wrapper').is(':visible') && current_valuta_wrapper_parent && e == current_valuta_wrapper_parent ) {
		jQuery('#valuta_valaszto_wrapper').fadeOut().hide();
	} else {
		current_valuta_wrapper_parent = e;
		if ( valuta_arfolyamok_refreshed ) {
			// frissitsuk a listat, hatha kozben frissult az ar
			jQuery('#valuta_valaszto_content').html(get_exchange_rates_list());
			valuta_arfolyamok_refreshed = 0;
		}
		
		// es mutassuk meg
		jQuery('#valuta_valaszto_wrapper').css({ top: jQuery(e).offset().top+jQuery(e).height()+'px', left: jQuery(e).offset().left - 90 +'px'}).fadeIn().show();
	}
}

function change_current_currency(c) {
	// kell valtani, vagy csak birka volt?
	if ( current_currency == c ) {
//		console.log('Nincs frissites. ['+current_currency+'|'+c+']');
		jQuery('#valuta_valaszto_wrapper').fadeOut().hide();
		return;
	}
	var most = new Date();
	// 5 perces frissites - 300 * 1000
	most.setTime(most.getTime() - ( 300*1000 ) );
	
	current_currency = c;
	
	if ( most > valuta_arfolyamok_last_refresh ) {
//		console.log("Updating rates. Last update time: "+valuta_arfolyamok_last_refresh+' Now: '+most);
		ajax_call('func=update_exchange_rates','update_foreign_prices()');
	} else {
		update_foreign_prices();
	}
	
	//menstuk le, hogy mit valasztott
	ajax_call('func=update_used_foreign_currency&currency='+c,'',true,false);

}

// befrissiti az arakat
function update_foreign_prices() {
	
	jQuery('.exchanged_price').each(function() {
		var huf = this.id.split('_').pop();
//		console.log('Using '+current_currency+' with rate '+valuta_arfolyamok[current_currency]+' to update: '+huf);
		var new_price = parseFloat(huf) / valuta_arfolyamok[current_currency];
		jQuery(this).html(format_number(new_price,2,'.',',')+' '+current_currency);
	});
	
	jQuery('#valuta_valaszto_wrapper').hide();
}

// osszeallitja a listat
function get_exchange_rates_list() {

	var rates_text = '';

	for ( var k in valuta_arfolyamok ) {
		rates_text += "<p>&nbsp;<span style=\"text-align: left; font-weight: bold; cursor: pointer;\" onclick=\"change_current_currency('"+k+"');\">";
		rates_text += '<img src="'+site_url+'images/icon_flag_'+k.toLowerCase()+'.gif" alt="'+k+'" style="float: left; display: table-cell; vertical-align: middle;"/>&nbsp;';
		rates_text += k+"</span>";
		rates_text += " - aktuális MNB árfolyam: "+valuta_arfolyamok[k]+"</p>";
	}
	
	return rates_text;
}

 
function format_number (n, decimals, decimal_sep, thousands_sep) { 

	if (isNaN(n)) { return 0};
    if (n=='') { return 0};

   //var n = this,
   c = isNaN(decimals) ? 2 : Math.abs(decimals), //if decimal is zero we must take it, it means user does not want to show any decimal
   d = decimal_sep || ',', //if no decimal separetor is passed we use the comma as default decimal separator (we MUST use a decimal separator)

   /*
   according to [http://stackoverflow.com/questions/411352/how-best-to-determine-if-an-argument-is-not-sent-to-the-javascript-function]
   the fastest way to check for not defined parameter is to use typeof value === 'undefined' 
   rather than doing value === undefined.
   */   
   t = (typeof thousands_sep === 'undefined') ? '.' : thousands_sep, //if you don't want ot use a thousands separator you can pass empty string as thousands_sep value

   sign = (n < 0) ? '-' : '',

   //extracting the absolute value of the integer part of the number and converting to string
   i = parseInt(n = Math.abs(n).toFixed(c)) + '', 

   j = ((j = i.length) > 3) ? j % 3 : 0; 
   return sign + (j ? i.substr(0, j) + t : '') + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : ''); 
}