package polling

import (
	"context"

	"go.uber.org/zap"

	"github.com/break/junhong_cmp_fiber/internal/polling"
	assetAuditSvc "github.com/break/junhong_cmp_fiber/internal/service/asset_audit"
	iotCardSvc "github.com/break/junhong_cmp_fiber/internal/service/iot_card"
	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
)

// AssetPollingService 资产轮询管控服务
// 管理 IoT 卡和设备的轮询启用状态
// S2 修复：card 类型委托给 IotCardService（含 DB 写入 + callback 通知），避免绕过生命周期
type AssetPollingService struct {
	deviceStore        *postgres.DeviceStore
	deviceBindingStore *postgres.DeviceSimBindingStore
	iotCardService     *iotCardSvc.Service
	queueMgr           *polling.PollingQueueManager
	logger             *zap.Logger
	assetAuditService  assetAuditSvc.OperationLogger
}

// NewAssetPollingService 创建资产轮询管控服务
func NewAssetPollingService(
	deviceStore *postgres.DeviceStore,
	deviceBindingStore *postgres.DeviceSimBindingStore,
	iotCardService *iotCardSvc.Service,
	queueMgr *polling.PollingQueueManager,
	logger *zap.Logger,
	assetAuditService assetAuditSvc.OperationLogger,
) *AssetPollingService {
	return &AssetPollingService{
		deviceStore:        deviceStore,
		deviceBindingStore: deviceBindingStore,
		iotCardService:     iotCardService,
		queueMgr:           queueMgr,
		logger:             logger,
		assetAuditService:  assetAuditService,
	}
}

func (s *AssetPollingService) logAssetPollingAudit(ctx context.Context, p assetAuditSvc.BuildLogParams) {
	if s == nil || s.assetAuditService == nil {
		return
	}
	if p.OperationType == "" {
		p.OperationType = constants.AssetAuditOpAssetPollingStatus
	}
	if p.Operator.Type == "" {
		p.Operator = assetAuditSvc.OperatorFromContext(ctx)
	}
	s.assetAuditService.LogOperation(ctx, assetAuditSvc.BuildLog(ctx, p))
}

// UpdatePollingStatus 更新资产轮询状态
// assetType: "card" 或 "device"
// assetID: 资产ID
// enablePolling: 是否启用轮询
func (s *AssetPollingService) UpdatePollingStatus(ctx context.Context, assetType string, assetID uint, enablePolling bool) error {
	switch assetType {
	case constants.AssetTypeIotCard:
		beforeData := map[string]any{
			"asset_type":     constants.AssetTypeIotCard,
			"asset_id":       assetID,
			"enable_polling": "unknown",
			"source_service": "asset_polling",
		}
		afterData := map[string]any{
			"asset_type":     constants.AssetTypeIotCard,
			"asset_id":       assetID,
			"enable_polling": enablePolling,
		}
		// S2 修复：委托给 IotCardService，确保 DB 写入 + PollingCallback 回调一并触发
		if err := s.iotCardService.UpdatePollingStatus(ctx, assetID, enablePolling); err != nil {
			errorCode, errorMsg := assetAuditSvc.BuildErrorInfo(err)
			s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
				AssetType:     constants.AssetTypeIotCard,
				AssetID:       assetID,
				OperationDesc: "统一入口更新轮询状态失败",
				ResultStatus:  constants.AssetAuditResultFailed,
				ErrorCode:     errorCode,
				ErrorMsg:      errorMsg,
				BeforeData:    beforeData,
				AfterData:     afterData,
			})
			return err
		}
		s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
			AssetType:     constants.AssetTypeIotCard,
			AssetID:       assetID,
			OperationDesc: "统一入口更新轮询状态",
			ResultStatus:  constants.AssetAuditResultSuccess,
			BeforeData:    beforeData,
			AfterData:     afterData,
		})
		return nil

	case constants.AssetTypeDevice:
		device, getErr := s.deviceStore.GetByID(ctx, assetID)
		if getErr != nil {
			errorCode, errorMsg := assetAuditSvc.BuildErrorInfo(getErr)
			s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
				AssetType:     constants.AssetTypeDevice,
				AssetID:       assetID,
				OperationDesc: "统一入口更新轮询状态失败",
				ResultStatus:  constants.AssetAuditResultFailed,
				ErrorCode:     errorCode,
				ErrorMsg:      errorMsg,
				AfterData: map[string]any{
					"asset_type":     constants.AssetTypeDevice,
					"asset_id":       assetID,
					"enable_polling": enablePolling,
				},
			})
			return getErr
		}
		beforeData := map[string]any{
			"asset_type":       constants.AssetTypeDevice,
			"asset_id":         device.ID,
			"asset_identifier": device.VirtualNo,
			"enable_polling":   device.EnablePolling,
		}
		afterData := map[string]any{
			"asset_type":       constants.AssetTypeDevice,
			"asset_id":         device.ID,
			"asset_identifier": device.VirtualNo,
			"enable_polling":   enablePolling,
		}
		// 1. 更新设备的 enable_polling 字段
		if err := s.deviceStore.UpdatePollingStatus(ctx, assetID, enablePolling); err != nil {
			errorCode, errorMsg := assetAuditSvc.BuildErrorInfo(err)
			s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
				AssetType:       constants.AssetTypeDevice,
				AssetID:         device.ID,
				AssetIdentifier: device.VirtualNo,
				OperationDesc:   "统一入口更新轮询状态失败",
				ResultStatus:    constants.AssetAuditResultFailed,
				ErrorCode:       errorCode,
				ErrorMsg:        errorMsg,
				BeforeData:      beforeData,
				AfterData:       afterData,
			})
			return err
		}
		bindings, err := s.deviceBindingStore.ListByDeviceID(ctx, assetID)
		if err != nil {
			s.logger.Warn("查询设备绑定卡失败，绑定卡轮询状态同步可能不完整",
				zap.Uint("device_id", assetID), zap.Error(err))
			return nil
		}
		if len(bindings) == 0 {
			return nil
		}
		cardIDs := make([]uint, len(bindings))
		for i, b := range bindings {
			cardIDs[i] = b.IotCardID
		}
		// 2. M3 修复：级联同步绑定卡的 enable_polling，防止生命周期事件绕过设备级设置
		if syncErr := s.iotCardService.BatchUpdatePollingStatus(ctx, cardIDs, enablePolling); syncErr != nil {
			s.logger.Warn("批量同步绑定卡轮询状态失败",
				zap.Uint("device_id", assetID), zap.Error(syncErr))
		}
		if !enablePolling {
			for _, b := range bindings {
				if rmErr := s.queueMgr.RemoveFromAllQueues(ctx, b.IotCardID); rmErr != nil {
					s.logger.Warn("从队列移除卡失败",
						zap.Uint("card_id", b.IotCardID), zap.Error(rmErr))
				}
			}
		}
		s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
			AssetType:       constants.AssetTypeDevice,
			AssetID:         device.ID,
			AssetIdentifier: device.VirtualNo,
			OperationDesc:   "统一入口更新轮询状态",
			ResultStatus:    constants.AssetAuditResultSuccess,
			BeforeData:      beforeData,
			AfterData:       afterData,
		})
		return nil

	default:
		err := errors.New(errors.CodeInvalidParam, "资产类型无效，支持 card 或 device")
		errorCode, errorMsg := assetAuditSvc.BuildErrorInfo(err)
		s.logAssetPollingAudit(ctx, assetAuditSvc.BuildLogParams{
			AssetType:     assetType,
			AssetID:       assetID,
			OperationDesc: "统一入口更新轮询状态被拒绝",
			ResultStatus:  constants.AssetAuditResultDenied,
			ErrorCode:     errorCode,
			ErrorMsg:      errorMsg,
			AfterData: map[string]any{
				"asset_type":     assetType,
				"asset_id":       assetID,
				"enable_polling": enablePolling,
			},
		})
		return err
	}
}