/**
 * @fileOverview  Js for home page
 * 
 */
var home = {
    initialize: function(path, data) {
        this._path = path;
        this._data = data;
        this._img = $('#img-whathot');
        this._trips = $('#hot-trip');
        this._prices = $('#hot-trip-price');
        this._dest = $('#whats-hot-dest');
        //if (1 >= this._data.length) return;
        var images = this._preloadImages();
        if (images.length > 0) {
            this.run(images); // show hot trips of first destination
            if( this._data.length > 1) setInterval(this.run.bind(this, images), 5000);
        }
    },
    run: function(images) {                
        var randImg = Whl.rand(this._data.length - 1);
        var dest = this._data[randImg], tripList = '', tripPrice = '';
        for (var key in dest.tours) {
            tripList += '<a href="' + dest.tours[key].url + '">' + dest.tours[key].name + '</a><br/>';            
            var price = tourPrices[dest.tours[key].tourId];
            tripPrice += currency + ' ' + CalculatePrice(price.Price,price.LocalExRate) + '<br/>';            
        }
        this._trips.html(tripList);
        this._prices.html(tripPrice);
        this._img.attr('src', images[randImg].src);
        this._img.attr('alt', images[randImg].alt);
        this._img.attr('title', images[randImg].title);
        this._dest.html(dest.destName);
    },
    _preloadImages: function() {
        var images = [];
        var rotator = this;        
        $.each(this._data, function(i) {
            images[i] = new Image();
            if (Object.isObject(this)) {
                images[i].src = rotator._path + this.photoName;                
                images[i].alt = this.photoAlt;
                images[i].title = this.photoAlt;
            }
        });
        return images;
    }    
};
$(document).ready(function() {
    // Add data for search & register event
    Whl.UA.initData();
    // Rotate the hot image
    //new Whl.UA.ImageRotator(pathPrefix, hotImages, 'img-whathot');
    home.initialize(pathPrefix, hotTrips );
    // show prices
    ShowPrices();
    // Add events for getting more detail content
    Whl.getMore();
    $("#cont_right .menu_emb ul>li:first").css('background', 'none');
});

function ShowPrices(){
    $(".tour_currency").html(currency);
    $.each(tourPrices,function(tourId, price){        
        $("#trip_price_" + tourId).html(CalculatePrice(price.Price, price.LocalExRate) );
    })
    $(".tour_price").show();
}

function CalculatePrice(price, localExRate){
    price = price*(currencyRate/localExRate);
    price = price.toFixed(2);        
    price = AddCommas(price);
    return price;    
}

function AddCommas(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}