/// <reference path="~/Resources/js/jquery-1.2.6-intellisense.js" />
/// <reference path="~/Resources/js/start.js" />
/// <reference path="~/Resources/js/cart.js" />

VVM.cartPage = {
    // Adds the accessory in context to the cart page
    add: function(context) {
        var id = "ID" + $(context).attr("rel") + "-" +
            $.trim($(".price-list-id", $(context).parent()).text());

        if (this.contains("#" + id)) {
            var qty = $("#" + id + " input");
            qty.val(qty.val() * 1 + 1);
        } else {
            var parentId = $(context).parents(".product-accessories:first")[0].id.replace("_", "-");
            var price = VVM.formatPrice($(context).parent().siblings(".price").text());
            $("#" + parentId).after(
                '<tr id="' + id + '" class="accessory">' +
                '<td class="name-column">' +
                    '<input class="cart-amount-textbox" type="text" value="1" />' +
                    $(context).parent().siblings(".brand").text() + " " +
                    $(context).parent().siblings(".name").text() +
                '</td>' +
                '<td class="price-column">' + price + '</td>' +
                '<td class="row-price-column">' + price + '</td>' +
                '<td class="delete-column"><img class="delete" src="/Resources/images/trash.png" alt=""/></td>' +
                '</tr>');
            $("#" + id + " img.delete").click(function() {
                if (!confirmDelete())
                    return false;

                VVM.cartPage.remove(this, function(cartItem) {
                    VVM.cart.remove(cartItem);
                });
                VVM.cartPage.setQuantity(VVM.cart.quantity);
                VVM.renderCart();
            });
        }
    },

    // Removes the accessory list for the specified item from the page
    // @param   itemId: string
    removeAccessoryList: function(itemId) {
        $("#" + itemId.replace("-", "_")).remove();
    },

    // Removes the item and all of its accessories in context from the page
    // Optionally invokes callback to item and its accessories
    // @param   callback: function({ id, priceListId })
    remove: function(context, callback) {
        var container = $(context).parents("tr:first");
        if (!container.hasClass("accessory")) {
            $("#" + container[0].id + " ~ tr").each(function(i) {
                if (!$(this).hasClass("accessory"))
                    return false;

                if (callback) callback(VVM.cartPage.getItem(this));
                $(this).remove();
            });
        }
        if (callback) callback(VVM.cartPage.getItem(container));

        this.removeAccessoryList(container[0].id);
        container.remove();
    },

    // Updates all quantities and prices in the cart page
    // If an item's quantity is 0, the item is removed including accessories
    // Optionally invokes callback to each item 
    // @param   callback: function({ id, priceListId }, qty)
    update: function(callback) {
        $("#cart-listing :text").each(function(i) {
            var item = VVM.cartPage.getItem(this);
            if (callback) callback(item, $(this).val());

            if (parseInt($(this).val(), 10) <= 0) {
                VVM.cartPage.remove(this, function(cartItem) {
                    if (callback) callback(cartItem, 0);
                });
                return;
            }

            var siblings = $(this).parent().siblings();
            siblings.filter(".row-price-column").text(
                VVM.formatPrice($(this).val() * VVM.toInt(siblings.filter(".price-column").text()))
            );
        });
    },

    setQuantity: function(qty) {
        $("#product-count").text(qty);
    },

    setSubTotal: function(subTotal) {
        $("#cart .cart-sum-right").text(subTotal);
    },

    contains: function(id) {
        return $(id).length > 0;
    },

    getItem: function(context) {
        if (!context)
            return null;

        var container = $(context).filter("tr").length > 0
            ? $(context)
            : $(context).parents("tr:first");
        if (container.length < 1)
            return null;

        var id = container[0].id.split("-");
        if (id.length != 2)
            return null;

        var product = id[0].substring(2);
        var priceList = id[1];
        return { id: product, priceListId: priceList };
    },

    refresh: function(cart) {
        if (cart.quantity == 0) {
            $("img.update").remove();
            $("#cart-listing table").remove();
            $(".description").remove();
        }
        $("#cart-listing table tr:even").removeClass("cart-alternating");
        $("#cart-listing table tr:odd").addClass("cart-alternating");
        this.setQuantity(cart.quantity);
        this.setSubTotal(VVM.formatPrice(cart.subtotal));
    }
};

$(function() {
    // Delete item handler
    $("img.delete").click(function() {
        if (!confirmDelete())
            return false;

        VVM.cartPage.remove(this, function(cartItem) {
            VVM.cart.remove(cartItem);
        });
        VVM.cartPage.refresh(VVM.cart);
        VVM.renderCart();
    });

    // Update quantity handler
    $("img.update").click(function() {
        VVM.cartPage.update(function(item, qty) {
            VVM.cart.update(item, qty);
        });
        VVM.cartPage.refresh(VVM.cart);
        VVM.renderCart();
    });

    // Buy accessory handler
    $(".accessories button.buy").click(function() {
        // adding to cart handled by product.js
        VVM.cartPage.add(this);
        VVM.cartPage.refresh(VVM.cart);
    });
});

function confirmDelete() {
    return confirm("Är du säker på att du vill ta bort varan?");
}

function PrintConfirmationPage() {
    window.print();
}