package iot_card

import (
	"context"
	"strconv"
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"

	cardapp "github.com/break/junhong_cmp_fiber/internal/application/cardobservation"
	"github.com/break/junhong_cmp_fiber/internal/infrastructure/audit"
	"github.com/break/junhong_cmp_fiber/internal/model"
	assetAuditSvc "github.com/break/junhong_cmp_fiber/internal/service/asset_audit"
	"github.com/break/junhong_cmp_fiber/pkg/auditcontext"
	"github.com/break/junhong_cmp_fiber/pkg/auditfailure"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
)

// SetAccessAudit 注入 IoT 卡身份生命周期的统一审计 Writer。
func (s *Service) SetAccessAudit(writer *audit.Writer) {
	s.auditWriter = writer
}

// WriteCardStateAudit 将卡观测事务中的人工、回调或 Worker 状态变化写入统一 Audit Event。
func (s *Service) WriteCardStateAudit(ctx context.Context, tx *gorm.DB, input cardapp.StateAudit) error {
	extraResources := make([]audit.ResourceInput, 0, 1)
	if input.IntegrationID != "" {
		extraResources = append(extraResources, cardStateIntegrationAuditResource(ctx, input.IntegrationID))
	}
	return s.appendCardLifecycleAudit(ctx, tx, input.ActionCode, input.Summary, constants.AuditResultSuccess,
		input.Card, input.BeforeData, input.AfterData, nil, extraResources...)
}

// WriteCardStateFailure 使用独立短事务记录已解析卡资源后的回调或 Worker 失败。
func (s *Service) WriteCardStateFailure(ctx context.Context, input cardapp.StateAudit, businessErr error) {
	extraResources := make([]audit.ResourceInput, 0, 1)
	if input.IntegrationID != "" {
		extraResources = append(extraResources, cardStateIntegrationAuditResource(ctx, input.IntegrationID))
	}
	s.recordCardLifecycleFailure(ctx, input.ActionCode, input.Summary, constants.AuditResultFailed,
		input.Card, input.Card.ID, businessErr, extraResources...)
}

func cardStateIntegrationAuditResource(ctx context.Context, integrationID string) audit.ResourceInput {
	linkage := auditcontext.From(ctx)
	correlationID := linkage.CorrelationID
	if correlationID == "" {
		correlationID = linkage.RequestID
	}
	direction := constants.IntegrationDirectionInbound
	role := constants.AuditResourceRoleCallbackIntegration
	provider := linkage.ActorID
	if linkage.Source == constants.AuditSourceWorker {
		direction = constants.IntegrationDirectionOutbound
		role = constants.AuditResourceRoleWorkerIntegration
		provider = constants.IntegrationProviderGateway
	}
	return audit.ResourceInput{
		Type: constants.AuditResourceIntegrationLog, Key: integrationID, DisplayName: integrationID,
		Relation: constants.AuditResourceRelationReference, Role: role,
		IdentitySnapshot: map[string]any{
			"integration_id": integrationID, "provider": provider,
			"direction": direction, "correlation_id": correlationID,
		},
		SubjectVisibility: constants.AuditSubjectInternalOnly,
	}
}

func cardRefreshAuditAction(ctx context.Context) (string, bool) {
	switch auditcontext.From(ctx).ActorKind {
	case constants.AuditActorAccount:
		return constants.AuditActionIotCardManualRefreshed, true
	case constants.AuditActorPersonalCustomer:
		return constants.AuditActionIotCardPersonalRefreshed, true
	default:
		return "", false
	}
}

func (s *Service) updateCardRefreshCompletion(ctx context.Context, card *model.IotCard, syncTime time.Time, result, summary string) error {
	actionCode, audited := cardRefreshAuditAction(ctx)
	if !audited {
		return s.iotCardStore.UpdateFields(ctx, card.ID, map[string]any{"last_sync_time": syncTime})
	}
	return s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		if err := tx.Model(&model.IotCard{}).Where("id = ?", card.ID).Update("last_sync_time", syncTime).Error; err != nil {
			return errors.Wrap(errors.CodeDatabaseError, err, "更新卡刷新时间失败")
		}
		return s.appendCardLifecycleAudit(ctx, tx, actionCode, summary, result,
			card, map[string]any{"last_sync_time": card.LastSyncTime}, map[string]any{"last_sync_time": syncTime}, nil)
	})
}

func (s *Service) recordCardRefreshFailure(ctx context.Context, card *model.IotCard, result string, businessErr error) {
	actionCode, audited := cardRefreshAuditAction(ctx)
	if !audited || card == nil {
		return
	}
	s.recordCardLifecycleFailure(ctx, actionCode, "人工刷新 IoT 卡未完成", result, card, card.ID, businessErr)
}

func (s *Service) completeCardRefreshAttempt(
	ctx context.Context,
	card *model.IotCard,
	attempt *gatewayAttempt,
	callErr error,
	stateChanged bool,
	message string,
) error {
	if err := s.completeGatewayCardAttempt(ctx, attempt, callErr, stateChanged); err != nil {
		wrapped := errors.Wrap(errors.CodeDatabaseError, err, message)
		s.recordCardRefreshFailure(ctx, card, constants.AuditResultFailed, wrapped)
		return wrapped
	}
	return nil
}

func (s *Service) appendCardLifecycleAudit(
	ctx context.Context,
	tx *gorm.DB,
	actionCode, summary, result string,
	card *model.IotCard,
	beforeData, afterData map[string]any,
	businessErr error,
	extraResources ...audit.ResourceInput,
) error {
	if s.auditWriter == nil || card == nil || card.ID == 0 {
		return errors.New(errors.CodeInvalidStatus, "IoT 卡统一审计接缝未配置或资源不完整")
	}
	resourceID := strconv.FormatUint(uint64(card.ID), 10)
	errorCode, errorSummary := assetAuditSvc.BuildErrorInfo(businessErr)
	resources := []audit.ResourceInput{{
		Type: constants.AuditResourceIotCard, ID: &resourceID,
		Key: audit.IotCardResourceKey(card), DisplayName: card.ICCID,
		Relation: constants.AuditResourceRelationPrimary, Role: constants.AuditResourceRoleIotCardTarget,
		IdentitySnapshot: audit.IotCardIdentitySnapshot(card), BeforeData: beforeData, AfterData: afterData,
		SubjectVisibility: constants.AuditSubjectResult, SubjectSummary: summary,
	}}
	resources = append(resources, extraResources...)
	return s.auditWriter.Append(ctx, tx, audit.AppendInput{
		ActionCode: actionCode, Summary: summary, ScopeType: constants.AuditScopePlatform,
		Result: result, ErrorCode: errorCode, ErrorSummary: errorSummary,
		Resources: resources,
	})
}

func (s *Service) recordCardLifecycleFailure(ctx context.Context, actionCode, summary, result string, card *model.IotCard, cardID uint, businessErr error, extraResources ...audit.ResourceInput) {
	if card == nil {
		card = &model.IotCard{}
		card.ID = cardID
	}
	if s.db == nil || s.auditWriter == nil || card.ID == 0 {
		recordCardAuditSecondaryFailure(ctx, actionCode, cardID, businessErr, errors.New(errors.CodeInvalidStatus, "IoT 卡统一审计接缝未配置"))
		return
	}
	if err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		return s.appendCardLifecycleAudit(ctx, tx, actionCode, summary, result, card, nil, nil, businessErr, extraResources...)
	}); err != nil {
		recordCardAuditSecondaryFailure(ctx, actionCode, card.ID, businessErr, err)
	}
}

func (s *Service) appendBatchDeleteAudit(ctx context.Context, tx *gorm.DB, cards []*model.IotCard, batchTotal int) error {
	linkage := auditcontext.From(ctx)
	if s.auditWriter == nil || linkage.RequestID == "" {
		return errors.New(errors.CodeInvalidStatus, "IoT 卡批量删除审计上下文不完整")
	}
	rootEventID := stableCardBatchEventID("delete", linkage.RequestID)
	result := constants.AuditResultSuccess
	if len(cards) < batchTotal {
		result = constants.AuditResultPartial
	}
	children := make([]audit.AppendInput, 0, len(cards))
	for _, card := range cards {
		if card == nil || card.ID == 0 {
			continue
		}
		resourceID := strconv.FormatUint(uint64(card.ID), 10)
		children = append(children, audit.AppendInput{
			EventID:    stableCardBatchEventID("delete-card", linkage.RequestID+":"+resourceID),
			ActionCode: constants.AuditActionIotCardDeleted, Summary: "批量删除 IoT 卡", Result: constants.AuditResultSuccess,
			Resources: []audit.ResourceInput{{
				Type: constants.AuditResourceIotCard, ID: &resourceID,
				Key: audit.IotCardResourceKey(card), DisplayName: card.ICCID,
				Relation: constants.AuditResourceRelationPrimary, Role: constants.AuditResourceRoleIotCardTarget,
				IdentitySnapshot: audit.IotCardIdentitySnapshot(card), BeforeData: cardSnapshot(card),
				AfterData:         map[string]any{"deleted": true},
				SubjectVisibility: constants.AuditSubjectResult, SubjectSummary: "IoT 卡已删除",
			}},
		})
	}
	return s.auditWriter.AppendBatch(ctx, tx, audit.BatchInput{
		Root: audit.AppendInput{
			EventID: rootEventID, ActionCode: constants.AuditActionIotCardBatchDeleted,
			Summary: "批量删除 IoT 卡", Result: result,
			BatchTotal: batchTotal, SuccessCount: len(cards), FailCount: batchTotal - len(cards),
			Resources: []audit.ResourceInput{{
				Type: constants.AuditResourceIotCardBatch, Key: linkage.RequestID, DisplayName: linkage.RequestID,
				Relation: constants.AuditResourceRelationPrimary, Role: constants.AuditResourceRoleIotCardBatch,
				IdentitySnapshot:  map[string]any{"request_id": linkage.RequestID, "card_count": len(cards)},
				SubjectVisibility: constants.AuditSubjectInternalOnly,
			}},
		},
		Children: children,
	})
}

func (s *Service) recordBatchDeleteFailure(ctx context.Context, cardIDs []uint, businessErr error) {
	linkage := auditcontext.From(ctx)
	if s.db == nil || s.auditWriter == nil || linkage.RequestID == "" {
		recordCardAuditSecondaryFailure(ctx, constants.AuditActionIotCardBatchDeleted, 0, businessErr, errors.New(errors.CodeInvalidStatus, "IoT 卡批量删除审计接缝未配置"))
		return
	}
	errorCode, errorSummary := assetAuditSvc.BuildErrorInfo(businessErr)
	err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		return s.auditWriter.Append(ctx, tx, audit.AppendInput{
			EventID:    stableCardBatchEventID("delete-failed", linkage.RequestID),
			ActionCode: constants.AuditActionIotCardBatchDeleted, Summary: "批量删除 IoT 卡失败",
			Result: constants.AuditResultFailed, ErrorCode: errorCode, ErrorSummary: errorSummary,
			BatchTotal: len(cardIDs), FailCount: len(cardIDs),
			Resources: []audit.ResourceInput{{
				Type: constants.AuditResourceIotCardBatch, Key: linkage.RequestID, DisplayName: linkage.RequestID,
				Relation: constants.AuditResourceRelationPrimary, Role: constants.AuditResourceRoleIotCardBatch,
				IdentitySnapshot:  map[string]any{"request_id": linkage.RequestID, "card_count": len(cardIDs)},
				SubjectVisibility: constants.AuditSubjectInternalOnly,
			}},
		})
	})
	if err != nil {
		recordCardAuditSecondaryFailure(ctx, constants.AuditActionIotCardBatchDeleted, 0, businessErr, err)
	}
}

type cardAuditOutcome struct {
	Result  string
	Summary string
}

func cardAuditOutcomes(cards []*model.IotCard, result, summary string) map[uint]cardAuditOutcome {
	outcomes := make(map[uint]cardAuditOutcome, len(cards))
	for _, card := range cards {
		if card != nil && card.ID > 0 {
			outcomes[card.ID] = cardAuditOutcome{Result: result, Summary: summary}
		}
	}
	return outcomes
}

func setCardAuditOutcomes(outcomes map[uint]cardAuditOutcome, cardIDs []uint, result, summary string) {
	for _, cardID := range cardIDs {
		outcomes[cardID] = cardAuditOutcome{Result: result, Summary: summary}
	}
}

func setCardAuditOutcomeByICCID(outcomes map[uint]cardAuditOutcome, cards []*model.IotCard, iccid, result, summary string) {
	for _, card := range cards {
		if card != nil && (card.ICCID == iccid || card.ICCID19 == iccid || card.ICCID20 != nil && *card.ICCID20 == iccid) {
			outcomes[card.ID] = cardAuditOutcome{Result: result, Summary: summary}
			return
		}
	}
}

func (s *Service) appendCardTransferAudit(
	ctx context.Context,
	tx *gorm.DB,
	rootAction, itemAction, kind, summary, result string,
	cards []*model.IotCard,
	outcomes map[uint]cardAuditOutcome,
	records []*model.AssetAllocationRecord,
	newShopID *uint,
	newStatus, batchTotal, successCount, failCount int,
	businessErr error,
) error {
	shops, err := loadCardTransferAuditShops(ctx, tx, cards, records, newShopID)
	if err != nil {
		return err
	}
	deviceReferences, err := loadCardDeviceAuditReferences(ctx, tx, cards)
	if err != nil {
		return err
	}
	recordByCardID := make(map[uint]*model.AssetAllocationRecord, len(records))
	for _, record := range records {
		if record != nil {
			recordByCardID[record.AssetID] = record
		}
	}
	items := make([]cardBatchAuditItem, 0, len(cards))
	for _, card := range cards {
		if card == nil || card.ID == 0 {
			continue
		}
		outcome, ok := outcomes[card.ID]
		if !ok {
			continue
		}
		beforeData := map[string]any{"shop_id": card.ShopID, "status": card.Status}
		var afterData map[string]any
		if outcome.Result == constants.AuditResultSuccess {
			afterData = map[string]any{"shop_id": newShopID, "status": newStatus}
		}
		references := cardTransferAuditReferences(card, recordByCardID[card.ID], newShopID, shops)
		references = append(references, deviceReferences[card.ID]...)
		items = append(items, cardBatchAuditItem{
			Card: card, Result: outcome.Result, Summary: outcome.Summary,
			BeforeData: beforeData, AfterData: afterData,
			References: references,
		})
	}
	allocationNo := ""
	if len(records) > 0 && records[0] != nil {
		allocationNo = records[0].AllocationNo
	}
	return s.appendCardBatchAudit(ctx, tx, rootAction, itemAction, kind, summary, result,
		batchTotal, successCount, failCount, items,
		map[string]any{"allocation_no": allocationNo, "to_shop_id": newShopID, "new_status": newStatus}, businessErr)
}

func loadCardTransferAuditShops(ctx context.Context, tx *gorm.DB, cards []*model.IotCard, records []*model.AssetAllocationRecord, newShopID *uint) (map[uint]*model.Shop, error) {
	shopIDs := make(map[uint]struct{})
	if newShopID != nil && *newShopID > 0 {
		shopIDs[*newShopID] = struct{}{}
	}
	for _, card := range cards {
		if card != nil && card.ShopID != nil && *card.ShopID > 0 {
			shopIDs[*card.ShopID] = struct{}{}
		}
	}
	for _, record := range records {
		if record == nil {
			continue
		}
		if record.FromOwnerType == constants.OwnerTypeShop && record.FromOwnerID != nil {
			shopIDs[*record.FromOwnerID] = struct{}{}
		}
		if record.ToOwnerType == constants.OwnerTypeShop && record.ToOwnerID > 0 {
			shopIDs[record.ToOwnerID] = struct{}{}
		}
	}
	ids := make([]uint, 0, len(shopIDs))
	for id := range shopIDs {
		ids = append(ids, id)
	}
	var rows []*model.Shop
	if len(ids) > 0 {
		if err := tx.WithContext(ctx).Unscoped().Where("id IN ?", ids).Find(&rows).Error; err != nil {
			return nil, err
		}
	}
	shops := make(map[uint]*model.Shop, len(rows))
	for _, shop := range rows {
		shops[shop.ID] = shop
	}
	return shops, nil
}

func cardTransferAuditReferences(card *model.IotCard, record *model.AssetAllocationRecord, targetShopID *uint, shops map[uint]*model.Shop) []audit.ResourceInput {
	resources := make([]audit.ResourceInput, 0, 3)
	if record != nil && record.ID > 0 {
		recordID := strconv.FormatUint(uint64(record.ID), 10)
		resources = append(resources, audit.ResourceInput{
			Type: constants.AuditResourceAssetAllocationRecord, ID: &recordID,
			Key: recordID, DisplayName: record.AllocationNo,
			Relation: constants.AuditResourceRelationAffected, Role: constants.AuditResourceRoleAssetAllocationRecord,
			IdentitySnapshot: map[string]any{
				"id": record.ID, "allocation_no": record.AllocationNo, "asset_type": record.AssetType,
				"asset_id": record.AssetID, "asset_identifier": record.AssetIdentifier,
				"from_owner_type": record.FromOwnerType, "from_owner_id": record.FromOwnerID,
				"to_owner_type": record.ToOwnerType, "to_owner_id": record.ToOwnerID,
			},
			AfterData: map[string]any{"created": true}, SubjectVisibility: constants.AuditSubjectInternalOnly,
		})
	}
	sourceShopID := card.ShopID
	if record != nil && record.FromOwnerType == constants.OwnerTypeShop {
		sourceShopID = record.FromOwnerID
	}
	if sourceShopID != nil && *sourceShopID > 0 {
		resources = appendShopAuditReference(resources, shops[*sourceShopID], *sourceShopID, constants.AuditResourceRoleTransferSourceShop)
	}
	if record != nil && record.ToOwnerType == constants.OwnerTypeShop && record.ToOwnerID > 0 {
		resources = appendShopAuditReference(resources, shops[record.ToOwnerID], record.ToOwnerID, constants.AuditResourceRoleTransferTargetShop)
	} else if targetShopID != nil && *targetShopID > 0 {
		resources = appendShopAuditReference(resources, shops[*targetShopID], *targetShopID, constants.AuditResourceRoleTransferTargetShop)
	}
	return resources
}

func appendShopAuditReference(resources []audit.ResourceInput, shop *model.Shop, shopID uint, role string) []audit.ResourceInput {
	id := strconv.FormatUint(uint64(shopID), 10)
	name := id
	identity := map[string]any{"id": shopID}
	if shop != nil {
		name = shop.ShopName
		identity = map[string]any{"id": shop.ID, "shop_code": shop.ShopCode, "shop_name": shop.ShopName, "parent_id": shop.ParentID, "level": shop.Level}
	}
	return append(resources, audit.ResourceInput{
		Type: constants.AuditResourceShop, ID: &id, Key: id, DisplayName: name,
		Relation: constants.AuditResourceRelationReference, Role: role,
		IdentitySnapshot: identity, SubjectVisibility: constants.AuditSubjectInternalOnly,
	})
}

type cardBatchAuditItem struct {
	Card        *model.IotCard
	PrimaryRole string
	Result      string
	Summary     string
	BeforeData  map[string]any
	AfterData   map[string]any
	References  []audit.ResourceInput
}

func (s *Service) appendCardBatchAudit(
	ctx context.Context,
	tx *gorm.DB,
	rootAction, itemAction, kind, summary, result string,
	batchTotal, successCount, failCount int,
	items []cardBatchAuditItem,
	metadata map[string]any,
	businessErr error,
) error {
	linkage := auditcontext.From(ctx)
	if s.auditWriter == nil || linkage.RequestID == "" {
		return errors.New(errors.CodeInvalidStatus, "IoT 卡批量审计上下文不完整")
	}
	errorCode, errorSummary := assetAuditSvc.BuildErrorInfo(businessErr)
	children := make([]audit.AppendInput, 0, len(items))
	for _, item := range items {
		if item.Card == nil || item.Card.ID == 0 {
			continue
		}
		cardID := strconv.FormatUint(uint64(item.Card.ID), 10)
		primaryRole := item.PrimaryRole
		if primaryRole == "" {
			primaryRole = constants.AuditResourceRoleIotCardTransferTarget
		}
		resources := []audit.ResourceInput{{
			Type: constants.AuditResourceIotCard, ID: &cardID,
			Key: audit.IotCardResourceKey(item.Card), DisplayName: item.Card.ICCID,
			Relation: constants.AuditResourceRelationPrimary, Role: primaryRole,
			IdentitySnapshot: audit.IotCardIdentitySnapshot(item.Card), BeforeData: item.BeforeData, AfterData: item.AfterData,
			SubjectVisibility: constants.AuditSubjectResult, SubjectSummary: item.Summary,
		}}
		resources = append(resources, item.References...)
		childErrorCode, childErrorSummary := "", ""
		if item.Result == constants.AuditResultFailed || item.Result == constants.AuditResultDenied {
			childErrorCode, childErrorSummary = errorCode, errorSummary
		}
		children = append(children, audit.AppendInput{
			EventID:    stableCardBatchEventID(kind+"-"+item.Result+"-card", linkage.RequestID+":"+cardID),
			ActionCode: itemAction, Summary: item.Summary, ScopeType: constants.AuditScopePlatform, Result: item.Result,
			ErrorCode: childErrorCode, ErrorSummary: childErrorSummary, Resources: resources,
		})
	}
	return s.auditWriter.AppendBatch(ctx, tx, audit.BatchInput{
		Root: audit.AppendInput{
			EventID:    stableCardBatchEventID(kind+"-"+result, linkage.RequestID),
			ActionCode: rootAction, Summary: summary, ScopeType: constants.AuditScopePlatform, Result: result,
			ErrorCode: errorCode, ErrorSummary: errorSummary,
			BatchTotal: batchTotal, SuccessCount: successCount, FailCount: failCount, Metadata: metadata,
			Resources: []audit.ResourceInput{{
				Type: constants.AuditResourceIotCardBatch, Key: linkage.RequestID, DisplayName: linkage.RequestID,
				Relation: constants.AuditResourceRelationPrimary, Role: constants.AuditResourceRoleIotCardBatch,
				IdentitySnapshot:  map[string]any{"request_id": linkage.RequestID, "card_count": len(items)},
				SubjectVisibility: constants.AuditSubjectInternalOnly,
			}},
		},
		Children: children,
	})
}

func (s *Service) recordCardTransferAuditFailure(
	ctx context.Context,
	rootAction, itemAction, kind, summary, result string,
	cards []*model.IotCard,
	outcomes map[uint]cardAuditOutcome,
	newShopID *uint,
	newStatus, batchTotal, successCount, failCount int,
	businessErr error,
) {
	if s.db == nil || s.auditWriter == nil || len(cards) == 0 {
		recordCardAuditSecondaryFailure(ctx, rootAction, 0, businessErr, errors.New(errors.CodeInvalidStatus, "IoT 卡批量审计接缝未配置"))
		return
	}
	if err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		return s.appendCardTransferAudit(ctx, tx, rootAction, itemAction, kind, summary, result,
			cards, outcomes, nil, newShopID, newStatus, batchTotal, successCount, failCount, businessErr)
	}); err != nil {
		recordCardAuditSecondaryFailure(ctx, rootAction, 0, businessErr, err)
	}
}

func (s *Service) appendCardSeriesBindingAudit(
	ctx context.Context,
	tx *gorm.DB,
	cards []*model.IotCard,
	outcomes map[uint]cardAuditOutcome,
	seriesID *uint,
	result string,
	batchTotal, successCount, failCount int,
	metadata map[string]any,
	businessErr error,
) error {
	series, err := loadCardSeriesAuditResources(ctx, tx, cards, seriesID)
	if err != nil {
		return err
	}
	deviceReferences, err := loadCardDeviceAuditReferences(ctx, tx, cards)
	if err != nil {
		return err
	}
	items := make([]cardBatchAuditItem, 0, len(cards))
	for _, card := range cards {
		if card == nil || card.ID == 0 {
			continue
		}
		outcome, ok := outcomes[card.ID]
		if !ok {
			continue
		}
		var afterData map[string]any
		if outcome.Result == constants.AuditResultSuccess {
			afterData = map[string]any{"series_id": seriesID}
		}
		references := cardSeriesAuditReferences(card.SeriesID, seriesID, series)
		references = append(references, deviceReferences[card.ID]...)
		items = append(items, cardBatchAuditItem{
			Card: card, PrimaryRole: constants.AuditResourceRoleIotCardSeriesTarget,
			Result: outcome.Result, Summary: outcome.Summary,
			BeforeData: map[string]any{"series_id": card.SeriesID}, AfterData: afterData,
			References: references,
		})
	}
	return s.appendCardBatchAudit(ctx, tx,
		constants.AuditActionIotCardSeriesBindingBatch,
		constants.AuditActionIotCardSeriesBound,
		"series-binding", "批量设置 IoT 卡系列绑定", result,
		batchTotal, successCount, failCount, items, metadata, businessErr)
}

func (s *Service) appendCardRealnamePolicyBatchAudit(ctx context.Context, tx *gorm.DB, cards []*model.IotCard, policy string) error {
	deviceReferences, err := loadCardDeviceAuditReferences(ctx, tx, cards)
	if err != nil {
		return err
	}
	items := make([]cardBatchAuditItem, 0, len(cards))
	for _, card := range cards {
		if card == nil || card.ID == 0 || card.RealnamePolicy == policy {
			continue
		}
		items = append(items, cardBatchAuditItem{
			Card: card, PrimaryRole: constants.AuditResourceRoleIotCardTarget,
			Result: constants.AuditResultSuccess, Summary: "更新 IoT 卡实名策略",
			BeforeData: map[string]any{"realname_policy": card.RealnamePolicy},
			AfterData:  map[string]any{"realname_policy": policy},
			References: deviceReferences[card.ID],
		})
	}
	return s.appendCardBatchAudit(ctx, tx,
		constants.AuditActionIotCardRealnamePolicyBatchUpdated,
		constants.AuditActionIotCardRealnamePolicyUpdated,
		"realname-policy", "批量更新 IoT 卡实名策略", constants.AuditResultSuccess,
		len(items), len(items), 0, items, map[string]any{"realname_policy": policy, "requested_count": len(cards)}, nil)
}

func (s *Service) recordCardRealnamePolicyBatchFailure(ctx context.Context, cards []*model.IotCard, policy, result string, businessErr error) {
	if s.db == nil || s.auditWriter == nil || len(cards) == 0 {
		return
	}
	items := make([]cardBatchAuditItem, 0, len(cards))
	for _, card := range cards {
		if card == nil || card.ID == 0 {
			continue
		}
		items = append(items, cardBatchAuditItem{
			Card: card, PrimaryRole: constants.AuditResourceRoleIotCardTarget,
			Result: result, Summary: "更新 IoT 卡实名策略未完成",
			BeforeData: map[string]any{"realname_policy": card.RealnamePolicy},
			AfterData:  map[string]any{"requested_realname_policy": policy},
		})
	}
	if err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		return s.appendCardBatchAudit(ctx, tx,
			constants.AuditActionIotCardRealnamePolicyBatchUpdated,
			constants.AuditActionIotCardRealnamePolicyUpdated,
			"realname-policy", "批量更新 IoT 卡实名策略未完成", result,
			len(cards), 0, len(cards), items, map[string]any{"realname_policy": policy}, businessErr)
	}); err != nil {
		recordCardAuditSecondaryFailure(ctx, constants.AuditActionIotCardRealnamePolicyBatchUpdated, 0, businessErr, err)
	}
}

func loadCardSeriesAuditResources(ctx context.Context, tx *gorm.DB, cards []*model.IotCard, targetSeriesID *uint) (map[uint]*model.PackageSeries, error) {
	seriesIDs := make(map[uint]struct{})
	if targetSeriesID != nil && *targetSeriesID > 0 {
		seriesIDs[*targetSeriesID] = struct{}{}
	}
	for _, card := range cards {
		if card != nil && card.SeriesID != nil && *card.SeriesID > 0 {
			seriesIDs[*card.SeriesID] = struct{}{}
		}
	}
	ids := make([]uint, 0, len(seriesIDs))
	for id := range seriesIDs {
		ids = append(ids, id)
	}
	var rows []*model.PackageSeries
	if len(ids) > 0 {
		if err := tx.WithContext(ctx).Unscoped().Where("id IN ?", ids).Find(&rows).Error; err != nil {
			return nil, err
		}
	}
	series := make(map[uint]*model.PackageSeries, len(rows))
	for _, item := range rows {
		series[item.ID] = item
	}
	return series, nil
}

func cardSeriesAuditReferences(previousID, targetID *uint, series map[uint]*model.PackageSeries) []audit.ResourceInput {
	resources := make([]audit.ResourceInput, 0, 2)
	if previousID != nil && *previousID > 0 {
		resources = appendPackageSeriesAuditReference(resources, series[*previousID], *previousID, constants.AuditResourceRolePreviousPackageSeries)
	}
	if targetID != nil && *targetID > 0 {
		resources = appendPackageSeriesAuditReference(resources, series[*targetID], *targetID, constants.AuditResourceRoleTargetPackageSeries)
	}
	return resources
}

func appendPackageSeriesAuditReference(resources []audit.ResourceInput, series *model.PackageSeries, seriesID uint, role string) []audit.ResourceInput {
	id := strconv.FormatUint(uint64(seriesID), 10)
	name := id
	identity := map[string]any{"id": seriesID}
	if series != nil {
		name = series.SeriesName
		identity = map[string]any{"id": series.ID, "series_code": series.SeriesCode, "series_name": series.SeriesName, "status": series.Status}
	}
	return append(resources, audit.ResourceInput{
		Type: constants.AuditResourcePackageSeries, ID: &id, Key: id, DisplayName: name,
		Relation: constants.AuditResourceRelationReference, Role: role,
		IdentitySnapshot: identity, SubjectVisibility: constants.AuditSubjectInternalOnly,
	})
}

func loadCardDeviceAuditReferences(ctx context.Context, tx *gorm.DB, cards []*model.IotCard) (map[uint][]audit.ResourceInput, error) {
	cardByID := make(map[uint]*model.IotCard, len(cards))
	cardIDs := make([]uint, 0, len(cards))
	for _, card := range cards {
		if card != nil && card.ID > 0 {
			cardByID[card.ID] = card
			cardIDs = append(cardIDs, card.ID)
		}
	}
	result := make(map[uint][]audit.ResourceInput)
	if len(cardIDs) == 0 {
		return result, nil
	}
	var bindings []*model.DeviceSimBinding
	if err := tx.WithContext(ctx).Where("iot_card_id IN ? AND bind_status = ?", cardIDs, 1).Find(&bindings).Error; err != nil {
		return nil, err
	}
	deviceIDs := make([]uint, 0, len(bindings))
	for _, binding := range bindings {
		deviceIDs = append(deviceIDs, binding.DeviceID)
	}
	var devices []*model.Device
	if len(deviceIDs) > 0 {
		if err := tx.WithContext(ctx).Unscoped().Where("id IN ?", deviceIDs).Find(&devices).Error; err != nil {
			return nil, err
		}
	}
	deviceByID := make(map[uint]*model.Device, len(devices))
	for _, device := range devices {
		deviceByID[device.ID] = device
	}
	for _, binding := range bindings {
		card := cardByID[binding.IotCardID]
		device := deviceByID[binding.DeviceID]
		bindingID := strconv.FormatUint(uint64(binding.ID), 10)
		deviceID := strconv.FormatUint(uint64(binding.DeviceID), 10)
		deviceKey, deviceName := deviceID, deviceID
		deviceIdentity := map[string]any{"id": binding.DeviceID}
		deviceVirtualNo := ""
		if device != nil {
			deviceVirtualNo = device.VirtualNo
			if device.VirtualNo != "" {
				deviceKey = device.VirtualNo
			}
			deviceName = device.DeviceName
			if deviceName == "" {
				deviceName = device.VirtualNo
			}
			deviceIdentity = map[string]any{"id": device.ID, "virtual_no": device.VirtualNo, "imei": device.IMEI, "sn": device.SN, "generation": device.Generation}
		}
		cardICCID, cardVirtualNo := "", ""
		if card != nil {
			cardICCID, cardVirtualNo = card.ICCID, card.VirtualNo
		}
		result[binding.IotCardID] = append(result[binding.IotCardID],
			audit.ResourceInput{
				Type: constants.AuditResourceDeviceSIMBinding, ID: &bindingID,
				Key: bindingID, DisplayName: deviceVirtualNo,
				Relation: constants.AuditResourceRelationReference, Role: constants.AuditResourceRoleIotCardDeviceBinding,
				IdentitySnapshot: map[string]any{
					"id": binding.ID, "device_id": binding.DeviceID, "device_virtual_no": deviceVirtualNo,
					"slot_position": binding.SlotPosition, "iot_card_id": binding.IotCardID,
					"iccid": cardICCID, "virtual_no": cardVirtualNo, "is_current": binding.IsCurrent,
				},
				SubjectVisibility: constants.AuditSubjectInternalOnly,
			},
			audit.ResourceInput{
				Type: constants.AuditResourceDevice, ID: &deviceID,
				Key: deviceKey, DisplayName: deviceName,
				Relation: constants.AuditResourceRelationReference, Role: constants.AuditResourceRoleIotCardRelatedDevice,
				IdentitySnapshot: deviceIdentity, SubjectVisibility: constants.AuditSubjectInternalOnly,
			},
		)
	}
	return result, nil
}

func (s *Service) recordCardSeriesBindingAuditFailure(
	ctx context.Context,
	cards []*model.IotCard,
	outcomes map[uint]cardAuditOutcome,
	seriesID *uint,
	result string,
	batchTotal, successCount, failCount int,
	metadata map[string]any,
	businessErr error,
) {
	if s.db == nil || s.auditWriter == nil || len(cards) == 0 {
		recordCardAuditSecondaryFailure(ctx, constants.AuditActionIotCardSeriesBindingBatch, 0, businessErr, errors.New(errors.CodeInvalidStatus, "IoT 卡系列绑定审计接缝未配置"))
		return
	}
	if err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		return s.appendCardSeriesBindingAudit(ctx, tx, cards, outcomes, seriesID, result,
			batchTotal, successCount, failCount, metadata, businessErr)
	}); err != nil {
		recordCardAuditSecondaryFailure(ctx, constants.AuditActionIotCardSeriesBindingBatch, 0, businessErr, err)
	}
}

func stableCardBatchEventID(kind, key string) string {
	return "evt_" + uuid.NewSHA1(uuid.NameSpaceOID, []byte("iot-card:"+kind+":"+key)).String()
}

func recordCardAuditSecondaryFailure(ctx context.Context, actionCode string, cardID uint, businessErr, auditErr error) {
	errorCode, _ := assetAuditSvc.BuildErrorInfo(businessErr)
	linkage := auditcontext.From(ctx)
	auditfailure.RecordSecondaryWriteFailure(
		actionCode, strconv.FormatUint(uint64(cardID), 10), linkage.RequestID, linkage.CorrelationID, errorCode, auditErr,
	)
}