defmodule ShardWeb.Router do
  use ShardWeb, :router

  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
    plug :put_secure_browser_headers
    plug Plug.Parsers, parsers: [:urlencoded]
    plug :check_pk
  end

  pipeline :api do
    plug :accepts, ["json"]
  end

  scope "/", ShardWeb do
    pipe_through :browser # Use the default browser stack

    get "/", PageController, :index
    post "/peer/add", PageController, :add_peer

    get "/identity", IdentityController, :view
    post "/identity", IdentityController, :update
    post "/identity/switch", IdentityController, :switch
    post "/identity/create", IdentityController, :create

    get "/room/:room", RoomController, :show
  end

  # Other scopes may use custom stacks.
  # scope "/api", ShardWeb do
  #   pipe_through :api
  # end

  def check_pk(conn, _kv) do
    pk1 = get_session(conn, :pk)
    {conn, pk} = if pk1 == nil || not Shard.Keys.have_sk? pk1 do
      pk = Shard.Keys.get_any_identity
      conn = put_session(conn, :pk, pk)
      {conn, pk}
    else
      {conn, pk1}
    end
    nick = SApp.Identity.get_nick pk
    conn
    |> assign(:pk, pk)
    |> assign(:nick, nick)
    |> PhoenixGon.Controller.put_gon(pk: (pk|>Base.encode16))
  end

end