defmodule Scopes.CSysTest do
  use ExUnit.Case, async: true
  @moduletag timeout: 5000

  alias Scopes.Core.Actor
  alias Scopes.CSys
  alias Scopes.CSys.Environ
  alias Scopes.CSys.Program
  alias Scopes.Shape

  def send_value(rcvr, val) do
    msg = Shape.create([:csys, :data], data: %{value: val})
    Actor.send(rcvr, msg)
  end

  def receive_head(head) do
    assert_receive {^head, info}
    {head, info}
  end

  describe "basic:" do
    test "minimal-neural-net" do
      env = Environ.create(self())
      Environ.put_prog(env, :basic, Program.basic_prog())
      proc = Environ.get_stage(env, :basic, :initial)
      zero = CSys.neuron({[], proc, [], env})
      #Actor.send(zero, "Hello Zero!")
      send_value(zero, "Hello Zero!")
      assert "Hello Zero!" = Shape.data(receive_head([:csys, :data])).value
      Actor.send(zero, {[:csys, :create, :parent], nil})
      assert_receive {:created, new1}
      Actor.send(new1, {[:csys, :create, :child], nil})
      assert_receive {:created, _new2}
      Actor.send(new1, "Hello New1!")
      assert_receive "Hello New1!"
      assert_receive "Hello New1!"
      Process.sleep(50)
      # Actor.stop(zero)
      refute_received msg, "unhandled message(s): #{inspect(msg)}"
    end
  end
end