var CartView = View.extend({
  
  el: "#cart",
  
  events: {
    "click .summary_step": "show_summary",
    "click .shipping_step": "show_shipping",
    "click .payment_step": "show_payment",
  },
  
  initialize: function(){
    this.summary = new CartSummary ({ parent: this })
    this.payment = new CartPayment ({ parent: this })
    this.shipping = new CartShipping ({ parent: this })
    this.confirm = new CartConfirm ({ parent: this })
    this.thanks = new CartThanks ({ parent: this })
    this.error = new CartError ({ parent: this })
    
    this.$steps = this.$(".steps")
    this.$full_msg = this.$(".full_msg")
    this.$empty_msg = this.$(".empty_msg")
    this.$itemcount = this.$(".itemcount")
  },
  
  load: function(){
    sdk.cart.get_status({
      success: function(data){
        this.summary.data = data
        this.summary.updateCounts()
      }.bind(this),
      error: function(data){
        console.log(data)
      },
    })
  },

  show: function(){
    document.body.className = "cart"
    this.show_summary()
  },
  
  show_summary: function(){
    this.summary.show()
  },
  
  show_shipping: function(){
    this.shipping.show()
  },
  
  show_payment: function(){
    this.payment.show()
  },

  setHeaderCount: function(n){
    if (n) {
      this.$itemcount.html(pluralize(n, "ITEM", "S"))
      this.$full_msg.show()
      this.$empty_msg.hide()
    }
    else {
      this.$full_msg.hide()
      this.$empty_msg.show()
    }
  },

})