/*
      headers: {
        "x-yoox-appname": auth.appname,
        "x-yoox-account-token": auth.access_token,
        "x-yoox-device": auth.device,
        "x-yoox-api-key": auth.apikey,
      },
*/

var auth = sdk.auth = (function(){
  var auth = {}

  auth.appname = is_iphone ? "native-iphone-stoneisland/1.0.0" : "native-android-stoneisland/1.0.0"
  auth.apikey = "U2FsdGVkX18fThqg9bF0/ZgE9Jg948hn8O9EXli4B2729nAESCQaexv//M5+7+za"
  auth.device = "smartphone"

  auth.access_token = ""
  auth.user_id = -1

  // ios: integrate keychain api
  // android: cordova.file.externalRootDirectory api
  
  auth.init = function(fn){
    auth.get_user(function(){
      if (auth.logged_in()) {
        auth.get_cart()
        auth.view_logged_in()
      }
      else {
        auth.view_logged_out()
      }
      fn && fn()
    })
  }
  
  auth.set_user = function(user_id, access_token, cb){
    auth.access_token = access_token
    auth.user_id = user_id
    
    localStorage.setItem("yoox.access_token", access_token)
    localStorage.setItem("yoox.user_id", user_id)
    cb && cb()
  }
  auth.get_user = function(cb){
    access_token = localStorage.getItem("yoox.access_token") || ""
    user_id = localStorage.getItem("yoox.user_id") || -1
    cb && cb()
  }

  auth.set_cart = function(cart_id, cart_token, cb){
    localStorage.setItem("yoox.cart_token", cart_token)
    localStorage.setItem("yoox.cart_id", cart_id)
    cb && cb()
  }
  auth.get_cart = function(cb){
    cart.token = localStorage.getItem("yoox.cart_token") || ""
    cart.id = localStorage.getItem("yoox.cart_id") || -1
    cb && cb()
  }

  auth.view_logged_in = function(){
    $("#nav .login").hide()
    $("#nav .account").show()
  }
  auth.view_logged_out = function(){
    $("#nav .login").show()
    $("#nav .account").hide()
  }
  
  auth.log_out = function(){
    auth.access_token = ""
    auth.user_id = -1
    cart.token = ""
    cart.id = -1
    auth.view_logged_out()
  }
  auth.logged_in = function(){
    return (auth.user_id !== -1)
  }
  auth.has_cart = function(){
    return (cart.id !== -1)
  }
  
  return auth
})()