sdk.cart = (function(){
  var cart = {}
  
  var cart_id, cart_token

  // https://gist.github.com/fanfare/9a50c524aea417d0bf3e
  cart.initialize = function(opt){
    $.ajax({
      method: "POST",
      url: sdk.path("Cart.API/1.6", "carts.json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-device": auth.device,
      },
      data: opt.data,
      success: function(data){
        console.log(data)
        cart_id = data["CartSession"]["CartId"]
        cart_token = data["CartSession"]["CartToken"]
        opt.success(data)
      },
      error: opt.error,
    })
  }
  
  cart.set_user = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "carts.json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart_token,
      },
      data: {
        "UserId": auth.user_id,
        "UserToken": auth.access_token,
      },
      success: function(data){
        console.log(data)
        opt.success(data)
      },
      error: opt.error,
    })
  }
  
  // Code10, Size, Section
  cart.add_item = function(opt){
    $.ajax({
      method: "POST",
      url: sdk.path("Cart.API/1.6", "carts/" + cart_id + "/items.json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart_token,
      },
      data: opt.data,
      success: function(data){
        console.log(data)
        opt.success(data)
      },
      error: opt.error,
    })
  }

  cart.delete_item = function(opt){
    $.ajax({
      method: "DELETE",
      url: sdk.path("Cart.API/1.6", "carts/" + cart_id +
                                    "/items/" + opt.code10 +
                                    "/" + opt.size + ".json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart_token,
      },
      success: function(data){
        console.log(data)
        opt.success(data)
      },
      error: opt.error,
    })
  }

  cart.get_status = function(opt){
    $.ajax({
      method: "GET",
      url: sdk.path("Cart.API/1.6", "carts/" + cart_id),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart_token,
        "x-yoox-device": auth.device,
      },
      data: {
        "UserId": auth.user_id,
        "UserToken": auth.access_token,
      },
      success: function(data){
        console.log(data)
        opt.success(data)
      },
      error: opt.error,
    })
  }
  
  return cart
})()