package business

import (
	"context"
	"kra/internal/biz/business"
	"kra/internal/service/dto"
	"testing"
)

type preferenceFake struct {
	calls int
	value business.UserPreference
}

func (f *preferenceFake) Current(context.Context) (*business.UserPreference, error) {
	return &f.value, nil
}
func (f *preferenceFake) UpdateCurrent(_ context.Context, p business.UserPreference) error {
	f.calls++
	f.value = p
	return nil
}

func TestPreferenceRequiresBothFieldsButAcceptsFalse(t *testing.T) {
	f := &preferenceFake{}
	s := &UserPreferenceService{uc: f}
	off := false
	for _, req := range []*dto.UserPreferenceRequest{nil, {}, {IncludeSubPromote: &off}, {IDCardDedup: &off}} {
		if err := s.UpdateCurrent(context.Background(), req); err != business.ErrPreferenceRequired {
			t.Fatalf("缺字段应被拒绝: %v", err)
		}
	}
	if f.calls != 0 {
		t.Fatal("校验失败后不应调用用例")
	}
	if err := s.UpdateCurrent(context.Background(), &dto.UserPreferenceRequest{IncludeSubPromote: &off, IDCardDedup: &off}); err != nil {
		t.Fatal(err)
	}
	if f.calls != 1 || f.value.IncludeSubPromote || f.value.IDCardDedup {
		t.Fatalf("false 值未完整传递: %+v", f)
	}
}