cmroubao/backend-api/internal/usecase/freight_service_test.go

package usecase

import (
	"context"
	"errors"
	"testing"
	"time"

	"cmroubao/backend-api/internal/domain"
)

func TestFreightNormalizationHashExcludesInternalIDs(t *testing.T) {
	source := validFreightSource()
	firstService := &FreightService{ids: &sequenceIDs{next: 10}}
	first, err := firstService.normalize(source)
	if err != nil {
		t.Fatalf("first normalize error = %v", err)
	}
	secondService := &FreightService{ids: &sequenceIDs{next: 100}}
	second, err := secondService.normalize(source)
	if err != nil {
		t.Fatalf("second normalize error = %v", err)
	}
	if first.Orders[0].ID == second.Orders[0].ID {
		t.Fatal("test IDs did not differ")
	}
	if first.Orders[0].CanonicalSHA256 !=
		second.Orders[0].CanonicalSHA256 {
		t.Fatalf(
			"canonical hash depends on internal ID: %s != %s",
			first.Orders[0].CanonicalSHA256,
			second.Orders[0].CanonicalSHA256,
		)
	}
}

func TestFreightNormalizationRejectsConflictingIdentityAndInvalidTime(
	t *testing.T,
) {
	duplicate := validFreightSource()
	duplicate.Orders[0].Items = append(
		duplicate.Orders[0].Items,
		duplicate.Orders[0].Items[0],
	)
	service := &FreightService{ids: &sequenceIDs{}}
	if _, err := service.normalize(duplicate); err == nil {
		t.Fatal("duplicate item normalize error = nil")
	}

	invalidTime := validFreightSource()
	value := "not-a-time"
	invalidTime.Orders[0].SourceCreatedAt = &value
	if _, err := service.normalize(invalidTime); err == nil {
		t.Fatal("invalid source time normalize error = nil")
	}
}

func TestFreightSourceErrorCodesAreSourceNeutral(t *testing.T) {
	cases := []struct {
		err  error
		want string
	}{
		{domain.ErrFreightSourceNotConfigured, "ERP_NOT_CONFIGURED"},
		{domain.ErrFreightSourceSessionNeeded, "ERP_SESSION_REQUIRED"},
		{domain.ErrFreightSourceNotFound, "ERP_FREIGHT_NOT_FOUND"},
		{domain.ErrFreightSourceProtocol, "ERP_RESPONSE_INVALID"},
		{errors.New("temporary source failure"), "ERP_UNAVAILABLE"},
	}
	for _, testCase := range cases {
		if got := freightSourceErrorCode(testCase.err); got != testCase.want {
			t.Fatalf("freightSourceErrorCode(%v) = %q, want %q", testCase.err, got, testCase.want)
		}
	}
}

func TestFreightDateQuerySplitsIntoSevenDayWindows(t *testing.T) {
	source := &recordingDateSource{}
	service := &FreightService{source: source}

	result, err := service.queryCreatedRange(
		context.Background(),
		domain.FreightSyncRun{
			Mode:        domain.FreightSyncCreatedRange,
			CreatedFrom: "2026-07-01",
			CreatedTo:   "2026-07-15",
		},
	)

	if err != nil {
		t.Fatalf("queryCreatedRange() error = %v", err)
	}
	want := [][2]string{
		{"2026-07-01", "2026-07-07"},
		{"2026-07-08", "2026-07-14"},
		{"2026-07-15", "2026-07-15"},
	}
	if len(source.calls) != len(want) {
		t.Fatalf("calls = %#v", source.calls)
	}
	for index := range want {
		if source.calls[index] != want[index] {
			t.Fatalf("call %d = %#v, want %#v", index, source.calls[index], want[index])
		}
	}
	if result.Query.CreatedFrom == nil ||
		*result.Query.CreatedFrom != "2026-07-01" ||
		result.Query.CreatedTo == nil ||
		*result.Query.CreatedTo != "2026-07-15" {
		t.Fatalf("merged query = %+v", result.Query)
	}
}

func TestFreightDateQueryStopsOnMiddleWindowFailure(t *testing.T) {
	source := &recordingDateSource{failOnCall: 2}
	service := &FreightService{source: source}

	_, err := service.queryCreatedRange(
		context.Background(),
		domain.FreightSyncRun{
			Mode:        domain.FreightSyncCreatedRange,
			CreatedFrom: "2026-07-01",
			CreatedTo:   "2026-07-15",
		},
	)

	if !errors.Is(err, errDateSourceFailure) || len(source.calls) != 2 {
		t.Fatalf("queryCreatedRange() error/calls = %v / %#v", err, source.calls)
	}
}

func TestCreateFreightSyncToNowUsesWatermarkOverlapDay(t *testing.T) {
	watermarkTime := time.Date(2026, 7, 25, 16, 5, 0, 0, time.UTC)
	repository := &dateCaptureRepository{
		watermark: &domain.FreightSyncWatermark{
			CreatorSubject:   "local-admin",
			SourceSystem:     domain.FreightSourceShunyunbao,
			LastSuccessfulTo: watermarkTime,
		},
	}
	service, err := NewFreightService(
		repository,
		&recordingDateSource{},
		fakeClock{},
		&sequenceIDs{},
		time.Minute,
	)
	if err != nil {
		t.Fatalf("NewFreightService() error = %v", err)
	}

	result, err := service.CreateDateSync(
		context.Background(),
		CreateFreightDateSyncCommand{
			CreatorSubject: "local-admin",
			ActorUserID:    "00000000-0000-4000-8000-000000000099",
			IdempotencyKey: "sync-to-now",
			SyncToNow:      true,
		},
	)

	if err != nil {
		t.Fatalf("CreateDateSync() error = %v", err)
	}
	if result.Run.CreatedFrom != "2026-07-25" ||
		result.Run.CreatedTo != "2026-07-26" ||
		result.Run.WatermarkThrough == nil ||
		!result.Run.WatermarkThrough.Equal(fakeClock{}.Now()) {
		t.Fatalf("sync-to-now run = %+v", result.Run)
	}
}

func TestCreateFreightManualRangeRejectsMoreThanSevenDays(t *testing.T) {
	service, _ := NewFreightService(
		&dateCaptureRepository{},
		&recordingDateSource{},
		fakeClock{},
		&sequenceIDs{},
		time.Minute,
	)

	_, err := service.CreateDateSync(
		context.Background(),
		CreateFreightDateSyncCommand{
			CreatorSubject: "local-admin",
			ActorUserID:    "00000000-0000-4000-8000-000000000099",
			IdempotencyKey: "too-wide",
			CreatedFrom:    "2026-07-19",
			CreatedTo:      "2026-07-26",
		},
	)

	assertUsecaseError(t, err, ErrorKindInvalid, "FREIGHT_SYNC_INVALID")
}

func validFreightSource() domain.FreightSourceBatch {
	shop := "测试店铺"
	sourceCreatedAt := "2026-07-28 08:00:00"
	orderStatus := "0"
	purchaseStatus := "1"
	thumb := "190"
	itemPurchaseStatus := "0"
	quantity := 2
	canceled := false
	return domain.FreightSourceBatch{
		SchemaVersion: 1,
		Query: domain.FreightSourceQuery{
			Mode: domain.FreightSyncOrderNumber,
		},
		Orders: []domain.FreightSourceOrder{{
			ExternalStockID: "12",
			SourceCode:      "SOURCE-12",
			ShopName:        &shop,
			SourceCreatedAt: &sourceCreatedAt,
			OrderStatus:     &orderStatus,
			PurchaseStatus:  &purchaseStatus,
			IsCanceled:      &canceled,
			Items: []domain.FreightSourceItem{{
				ExternalItemID:  "88",
				Title:           "商品",
				ProductSpec:     "黑色,L",
				SKU:             "BLACK-L",
				Quantity:        &quantity,
				ProductThumbRef: &thumb,
				PurchaseStatus:  &itemPurchaseStatus,
			}},
		}},
	}
}

var errDateSourceFailure = errors.New("date source failed")

type recordingDateSource struct {
	calls      [][2]string
	failOnCall int
}

func (source *recordingDateSource) QueryOrder(
	context.Context,
	string,
) (domain.FreightSourceBatch, error) {
	return validFreightSource(), nil
}

func (source *recordingDateSource) QueryCreatedRange(
	_ context.Context,
	createdFrom, createdTo string,
) (domain.FreightSourceBatch, error) {
	source.calls = append(source.calls, [2]string{createdFrom, createdTo})
	if source.failOnCall == len(source.calls) {
		return domain.FreightSourceBatch{}, errDateSourceFailure
	}
	return domain.FreightSourceBatch{
		SchemaVersion: 1,
		Query: domain.FreightSourceQuery{
			Mode:        domain.FreightSyncCreatedRange,
			CreatedFrom: &createdFrom,
			CreatedTo:   &createdTo,
		},
		Orders: []domain.FreightSourceOrder{},
	}, nil
}

type dateCaptureRepository struct {
	watermark *domain.FreightSyncWatermark
}

func (repository *dateCaptureRepository) CreateFreightSync(
	_ context.Context,
	run domain.FreightSyncRun,
	_, _ string,
) (domain.FreightSyncRun, bool, error) {
	return run, false, nil
}

func (*dateCaptureRepository) StartFreightSync(
	context.Context,
	string,
	time.Time,
) error {
	return nil
}

func (*dateCaptureRepository) CompleteFreightSync(
	context.Context,
	domain.FreightSyncRun,
	domain.FreightImportBatch,
	time.Time,
) error {
	return nil
}

func (*dateCaptureRepository) CompleteFreightDateSync(
	context.Context,
	domain.FreightSyncRun,
	domain.FreightImportBatch,
	time.Time,
	time.Time,
) error {
	return nil
}

func (*dateCaptureRepository) FailFreightSync(
	context.Context,
	string,
	string,
	time.Time,
) error {
	return nil
}

func (*dateCaptureRepository) RecoverFreightSyncs(
	context.Context,
	time.Time,
) (int64, error) {
	return 0, nil
}

func (*dateCaptureRepository) GetFreightSync(
	context.Context,
	string,
	string,
) (domain.FreightSyncRun, error) {
	return domain.FreightSyncRun{}, nil
}

func (repository *dateCaptureRepository) GetFreightSyncWatermark(
	context.Context,
	string,
) (*domain.FreightSyncWatermark, error) {
	return repository.watermark, nil
}

func (*dateCaptureRepository) ListFreightOrders(
	context.Context,
	string,
	int,
) ([]domain.FreightOrder, error) {
	return nil, nil
}

func (*dateCaptureRepository) GetFreightOrder(
	context.Context,
	string,
	string,
) (domain.FreightOrderDetail, error) {
	return domain.FreightOrderDetail{}, nil
}