// Package asset_audit 提供资产操作审计日志服务。
package asset_audit

import (
	"context"

	"github.com/break/junhong_cmp_fiber/internal/model"
	"github.com/break/junhong_cmp_fiber/internal/model/dto"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/logger"
	"go.uber.org/zap"
)

// AssetOperationLogStore 资产操作日志存储接口。
type AssetOperationLogStore interface {
	Create(ctx context.Context, log *model.AssetOperationLog) error
	ListByAssetPaged(
		ctx context.Context,
		assetType string,
		assetID uint,
		page int,
		pageSize int,
		operationType string,
		resultStatus string,
	) ([]*model.AssetOperationLog, int64, error)
}

// OperationLogger 资产审计记录接口。
type OperationLogger interface {
	LogOperation(ctx context.Context, log *model.AssetOperationLog)
}

// Service 资产审计服务。
type Service struct {
	store AssetOperationLogStore
}

// ListByAssetParams 按资产查询日志参数。
type ListByAssetParams struct {
	AssetType     string
	AssetID       uint
	Page          int
	PageSize      int
	OperationType string
	ResultStatus  string
}

// NewService 创建资产审计服务实例。
func NewService(store AssetOperationLogStore) *Service {
	return &Service{store: store}
}

// LogOperation 记录资产操作日志（异步写入，不阻塞主流程）。
func (s *Service) LogOperation(ctx context.Context, log *model.AssetOperationLog) {
	if s == nil || s.store == nil || log == nil {
		return
	}

	go func() {
		if err := s.store.Create(context.Background(), log); err != nil {
			logger.GetAppLogger().Error("写入资产操作日志失败",
				zap.String("asset_type", log.AssetType),
				zap.Uint("asset_id", log.AssetID),
				zap.String("operation_type", log.OperationType),
				zap.String("result_status", log.ResultStatus),
				zap.Error(err))
		}
	}()
}

// ListByAsset 按资产分页查询操作日志。
func (s *Service) ListByAsset(ctx context.Context, params ListByAssetParams) (*dto.AssetOperationLogListResponse, error) {
	if s == nil || s.store == nil {
		return &dto.AssetOperationLogListResponse{
			Total:    0,
			Page:     1,
			PageSize: constants.DefaultPageSize,
			Items:    []*dto.AssetOperationLogItem{},
		}, nil
	}

	page := params.Page
	pageSize := params.PageSize
	if page <= 0 {
		page = 1
	}
	if pageSize <= 0 {
		pageSize = constants.DefaultPageSize
	}
	if pageSize > 100 {
		pageSize = 100
	}

	logs, total, err := s.store.ListByAssetPaged(
		ctx,
		NormalizeAssetType(params.AssetType),
		params.AssetID,
		page,
		pageSize,
		params.OperationType,
		params.ResultStatus,
	)
	if err != nil {
		return nil, err
	}

	items := make([]*dto.AssetOperationLogItem, 0, len(logs))
	for _, item := range logs {
		items = append(items, toAssetOperationLogItem(item))
	}

	return &dto.AssetOperationLogListResponse{
		Total:    total,
		Page:     page,
		PageSize: pageSize,
		Items:    items,
	}, nil
}

func toAssetOperationLogItem(log *model.AssetOperationLog) *dto.AssetOperationLogItem {
	if log == nil {
		return nil
	}
	operationBefore, operationAfter := normalizeOperationContent(
		log.OperationType,
		map[string]any(log.BeforeData),
		map[string]any(log.AfterData),
	)
	return &dto.AssetOperationLogItem{
		ID:                     log.ID,
		CreatedAt:              log.CreatedAt,
		OperatorID:             log.OperatorID,
		OperatorType:           log.OperatorType,
		OperatorName:           log.OperatorName,
		AssetType:              log.AssetType,
		AssetID:                log.AssetID,
		AssetIdentifier:        log.AssetIdentifier,
		OperationType:          log.OperationType,
		OperationDesc:          log.OperationDesc,
		OperationContentBefore: operationBefore,
		OperationContentAfter:  operationAfter,
		OperationFieldsDesc:    getOperationFieldDesc(log.OperationType),
		BeforeData:             map[string]any(log.BeforeData),
		AfterData:              map[string]any(log.AfterData),
		RequestID:              log.RequestID,
		IPAddress:              log.IPAddress,
		UserAgent:              log.UserAgent,
		RequestPath:            log.RequestPath,
		RequestMethod:          log.RequestMethod,
		ResultStatus:           log.ResultStatus,
		ErrorCode:              log.ErrorCode,
		ErrorMsg:               log.ErrorMsg,
		BatchTotal:             log.BatchTotal,
		SuccessCount:           log.SuccessCount,
		FailCount:              log.FailCount,
	}
}