package auth

import (
	"context"
	"testing"
)

func TestManager_Update_PreservesModelStates(t *testing.T) {
	m := NewManager(nil, nil, nil)

	model := "test-model"
	backoffLevel := 7

	if _, errRegister := m.Register(context.Background(), &Auth{
		ID:       "auth-1",
		Provider: "claude",
		Metadata: map[string]any{"k": "v"},
		ModelStates: map[string]*ModelState{
			model: {
				Quota: QuotaState{BackoffLevel: backoffLevel},
			},
		},
	}); errRegister != nil {
		t.Fatalf("register auth: %v", errRegister)
	}

	if _, errUpdate := m.Update(context.Background(), &Auth{
		ID:       "auth-1",
		Provider: "claude",
		Metadata: map[string]any{"k": "v2"},
	}); errUpdate != nil {
		t.Fatalf("update auth: %v", errUpdate)
	}

	updated, ok := m.GetByID("auth-1")
	if !ok || updated == nil {
		t.Fatalf("expected auth to be present")
	}
	if len(updated.ModelStates) == 0 {
		t.Fatalf("expected ModelStates to be preserved")
	}
	state := updated.ModelStates[model]
	if state == nil {
		t.Fatalf("expected model state to be present")
	}
	if state.Quota.BackoffLevel != backoffLevel {
		t.Fatalf("expected BackoffLevel to be %d, got %d", backoffLevel, state.Quota.BackoffLevel)
	}
}