defmodule Localiser.Web.UserSocket do
  use Phoenix.Socket

  channel "particles:*",     Localiser.Web.Channels.ParticlesChannel
  channel "rooms:occupancy", Localiser.Web.Channels.RoomChannel
  channel "sensors",         Localiser.Web.Channels.SensorsChannel

  @impl true
  def connect(%{"token" => token}, socket, _connect_info) do
    case Localiser.Web.Token.verify_token(token) do
      {:ok, %{"sub" => user_id}} ->
        case Localiser.Domain.Users.get_user(user_id) do
          {:ok, user} -> {:ok, assign(socket, :current_user, user)}
          _           -> :error
        end

      {:error, _} ->
        :error
    end
  end

  def connect(_params, _socket, _connect_info), do: :error

  @impl true
  def id(socket), do: "user_socket:#{socket.assigns.current_user.id}"
end