package cli

import (
	"testing"

	"gitea.mynodes.xyz/ilker/llmgw/internal/control"
	"gitea.mynodes.xyz/ilker/llmgw/internal/control/agentsvc"
	"gitea.mynodes.xyz/ilker/llmgw/internal/control/fabrictest"
)

func TestTheForwardingDispatcherCarriesEveryCapability(t *testing.T) {
	// dispatcherRef exists to break a construction cycle, and it satisfies the
	// dispatcher interface by forwarding each method by hand. That makes it a
	// place where capabilities go missing silently: the controller reaches
	// past the interface by type assertion, and an assertion against this type
	// fails for anything nobody remembered to forward.
	//
	// It happened. `ctl weights --collect` returned "this control plane cannot
	// ask nodes to delete files" against a real cluster, while every unit test
	// passed — because the test dispatchers do not implement the capability
	// either, so its absence looked exactly like the expected case.
	var ref any = &dispatcherRef{}
	if _, ok := ref.(control.WeightRemover); !ok {
		t.Error("dispatcherRef drops WeightRemover, so the control plane cannot reclaim disk")
	}

	if _, ok := ref.(fabrictest.Asker); !ok {
		t.Error("dispatcherRef drops the bandwidth test, so ctl fabric-test cannot reach the agents")
	}

	// And the thing it forwards to must have it, or the forwarding has nothing
	// to reach.
	var svc any = &agentsvc.Service{}
	if _, ok := svc.(control.WeightRemover); !ok {
		t.Error("the agent service does not implement WeightRemover")
	}
	if _, ok := svc.(fabrictest.Asker); !ok {
		t.Error("the agent service does not implement the bandwidth test")
	}
}