package core

import (
	"context"
	"testing"
)

type stubPlatform struct{ n string }

func (s *stubPlatform) Name() string                                   { return s.n }
func (s *stubPlatform) Start(MessageHandler) error                     { return nil }
func (s *stubPlatform) Reply(_ context.Context, _ any, _ string) error { return nil }
func (s *stubPlatform) Send(_ context.Context, _ any, _ string) error  { return nil }
func (s *stubPlatform) Stop() error                                    { return nil }

func TestRegisterAndCreatePlatform(t *testing.T) {
	RegisterPlatform("test-plat", func(opts map[string]any) (Platform, error) {
		return &stubPlatform{n: "test-plat"}, nil
	})

	p, err := CreatePlatform("test-plat", nil)
	if err != nil {
		t.Fatalf("CreatePlatform: %v", err)
	}
	if p.Name() != "test-plat" {
		t.Errorf("Name() = %q, want test-plat", p.Name())
	}
}

func TestCreatePlatform_Unknown(t *testing.T) {
	_, err := CreatePlatform("nonexistent-xyz", nil)
	if err == nil {
		t.Error("expected error for unknown platform")
	}
}

func TestCreateAgent_Unknown(t *testing.T) {
	_, err := CreateAgent("nonexistent-xyz", nil)
	if err == nil {
		t.Error("expected error for unknown agent")
	}
}