// ====================================
//				ShoppingCart.js
// ====================================
var ShoppingCart = {
    init: function(){
        // init
    },

    isInCart: function(productId){
        if(typeof(productId) === 'undefined'){
            console.error('productId is undefined');
            return false;
        }

        var cartItem = leStorage.get('leCart');
        var found = false;

        // data
        if(!cartItem){
            // not found
        }else{
            $.each(cartItem, function(i,el){
                if(el.product_id == productId){
                    found = true;
                    return false;
                }
            });
        }
        return found;
    },

    addToCart: function(itemOb, message, callback){
        // check requirements
        if(typeof(itemOb.productId) === 'undefined'){
            console.error('itemOb.productId is undefined');
            return false;
        }else if(typeof(itemOb.quantity) === 'undefined'){
            console.error('itemOb.quantity is undefined');
            return false;
        }else if(typeof(itemOb.name) === 'undefined'){
            console.error('itemOb.name is undefined');
            return false;
        }else if(typeof(itemOb.price) === 'undefined'){
            console.error('itemOb.price is undefined');
            return false;
        }else if(typeof(itemOb.currency) === 'undefined'){
            console.error('itemOb.currency is undefined');
            return false;
        }else if(typeof(itemOb.imageUrl) === 'undefined'){
            console.error('itemOb.imageUrl is undefined');
            return false;
        }

        
        var cartItem = leStorage.get('leCart');
        var itemQuantityInCart = false;

        // data
        if(!cartItem){
            cartItem = [
                {
                    product_id: itemOb.productId,
                    quantity: itemOb.quantity,
                    name: itemOb.name,
                    price: itemOb.price,
                    currency: itemOb.currency,
                    image_url: itemOb.imageUrl
                }
            ];
            itemQuantityInCart = itemOb.quantity;
        }else{
            var found = false;
            $.each(cartItem, function(i,el){
                if(el.product_id == itemOb.productId){
                    cartItem[i].quantity = cartItem[i].quantity + itemOb.quantity;
                    found = true;
                    itemQuantityInCart = cartItem[i].quantity;
                }
            });
            if(!found){
                cartItem.push({
                    product_id: itemOb.productId,
                    quantity: itemOb.quantity,
                    name: itemOb.name,
                    price: itemOb.price,
                    currency: itemOb.currency,
                    image_url: itemOb.imageUrl
                });
                itemQuantityInCart = itemOb.quantity;
            }
        }

        // item can add to cart
        leStorage.set('leCart',cartItem);
        if(!!message){
            ShoppingCart.showToast(message);
        }
        if(!!callback){
            callback();
        }
    },

    removeFromCart: function(itemOb, message, callback){
        // check requirements
        if(typeof(itemOb.productId) === 'undefined'){
            console.error('itemOb.productId is undefined');
            return false;
        }else if(typeof(itemOb.quantity) === 'undefined'){
            console.error('itemOb.quantity is undefined');
            return false;
        }

        var cartItem = leStorage.get('leCart');

        // data
        var itemQuantityInCart = false;
        var toDelKey = false;

        $.each(cartItem, function(i,el){
            if(el.product_id == itemOb.productId){
                cartItem[i].quantity = cartItem[i].quantity - itemOb.quantity;
                itemQuantityInCart = cartItem[i].quantity;

                if(itemQuantityInCart == 0){
                    toDelKey = i;
                }
            }
        });

        if(toDelKey !== false){
            cartItem.splice(toDelKey,1);
        }

        // item can add to cart
        leStorage.set('leCart',cartItem);
        if(!!message){
            ShoppingCart.showToast(message);
        }
        if(!!callback){
            callback();
        }
    },

    getCart: function(){
        return leStorage.get('leCart');
    },

    clearCart: function(callback){
        leStorage.clear('leCart');
        if(!!callback){
            callback();
        }
    },

    showToast: function(msg, errorFlag){
        var template = $('#le_toaster_template').clone();
        template.removeAttr('id').appendTo('#le_toaster_container').text(msg);
        var width = template.outerWidth();
        template.css({
            left: width + 50
        }).removeClass('imGone').addClass('trans5');

        if(!!errorFlag){
            template.css('background-color','red');
        }

        setTimeout(function(){
            template.css('left',0);

            setTimeout(function(){
                template.css('left',width+50);

                setTimeout(function(){
                    template.remove();
                },600);
            },3000);
        },50);
    }
}

$(document).ready(function(){
    ShoppingCart.init();
});