package domain

import "testing"

func TestCloneBackendCopiesDiagnosticMetadataAndProviderValues(t *testing.T) {
	profile := "profile"
	reachabilityEndpoint := "https://probe.example/health"
	authKind := "openrouter_key"
	authEndpoint := "https://probe.example/key"
	backend := Backend{
		ExtraParams: map[string]any{"nested": map[string]any{"value": "original"}},
		SmokeTests: &BackendSmokeTestConfig{
			DefaultProfile: &profile,
			Reachability:   &ReachabilityProbeConfig{Endpoint: &reachabilityEndpoint},
			Authentication: &AuthenticationProbeConfig{
				Kind:     &authKind,
				Endpoint: &authEndpoint,
			},
		},
	}

	cloned := CloneBackend(backend)
	*cloned.SmokeTests.DefaultProfile = "changed"
	*cloned.SmokeTests.Reachability.Endpoint = "changed"
	*cloned.SmokeTests.Authentication.Kind = "changed"
	*cloned.SmokeTests.Authentication.Endpoint = "changed"
	cloned.ExtraParams["nested"].(map[string]any)["value"] = "changed"

	if profile != "profile" || reachabilityEndpoint != "https://probe.example/health" ||
		authKind != "openrouter_key" || authEndpoint != "https://probe.example/key" {
		t.Fatal("cloned diagnostic metadata shared source pointers")
	}
	if got := backend.ExtraParams["nested"].(map[string]any)["value"]; got != "original" {
		t.Fatalf("source provider parameter changed through clone: %v", got)
	}
}

func TestCloneBackendPreservesProviderMapPresence(t *testing.T) {
	if cloned := CloneBackend(Backend{}); cloned.ExtraParams != nil {
		t.Fatalf("nil provider map became %#v", cloned.ExtraParams)
	}
	cloned := CloneBackend(Backend{ExtraParams: map[string]any{"empty": map[string]any{}, "null": nil}})
	if cloned.ExtraParams == nil || cloned.ExtraParams["empty"].(map[string]any) == nil || cloned.ExtraParams["null"] != nil {
		t.Fatalf("provider map presence changed: %#v", cloned.ExtraParams)
	}
}