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

  // NOTE: data might be wrapped in a Receiver object
  cart.set_shipping_address = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "receiver.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,
    })
  }
  
  // NB: Payment type may simply be 1 (credit card)
  cart.set_payment_type = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "carts/" + cart.id + "/paymentType.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,
    })
  }

  // use with full CC data if not storing it in wallet
  cart.set_credit_card = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "carts/" + cart.id + "/creditCard.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,
    })
  }
  
  // use with a stored GUID
  // NB: if "verification number" is 1, use CVV/CID/CVC security code
  // if "verification number" is 2, use "Issue Number"
  cart.use_stored_credit_card = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "carts/" + cart.id + "/userCreditCard.json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart.token,
      },
      data: { // NB may be wrapped in UserCreditCard object
        "Guid": opt.guid,
        "UserId": auth.user_id,
        "AccessToken": auth.access_token,
        "Cvv": opt.cvv,
        "Issue": opt.issue,
      },
      success: function(data){
        console.log(data)
        opt.success(data)
      },
      error: opt.error,
    })
  }
  
  cart.finalize = function(opt){
    $.ajax({
      method: "PUT",
      url: sdk.path("Cart.API/1.6", "carts/" + cart.id + "/secureFinalizer.json"),
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-cart-token": cart.token,
        "x-yoox-device": auth.device,
      },
      data: opt.data,
      success: function(data){
        console.log(data)
        // order number is:
        // "Info": "2905Y07FA13020"
        opt.success(data)
      },
      error: opt.error,
    })
  }
  return cart
})()