defmodule Prymn.Messaging do
  @moduledoc """
  The Prymn messaging system
  """

  alias Prymn.Messaging

  def open_terminal(agent_id) do
    msg = Jason.encode!(%{"id" => "foo"})
    :ok = Messaging.Connection.subscribe_to_agent(:nats1, agent_id, "terminal.foo.output")
    :ok = Messaging.Connection.publish_to_agent(:nats1, agent_id, "open_terminal", msg)
  end

  def close_terminal(agent_id) do
    :ok = Messaging.Connection.publish_to_agent(:nats1, agent_id, "terminal.foo.close")
  end

  def resize_terminal(agent_id, rows, cols) do
    msg = Jason.encode!(%{"rows" => rows, "cols" => cols})
    :ok = Messaging.Connection.publish_to_agent(:nats1, agent_id, "terminal.foo.resize", msg)
  end

  def send_terminal_input(agent_id, input) do
    :ok = Messaging.Connection.publish_to_agent(:nats1, agent_id, "terminal.foo.input", input)
  end
end