package iot

import (
	"context"
	"encoding/json"
	"fmt"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/dao"
	upstreamlogic "git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/logic/upstream"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/model"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/service"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/utility/uuid32"
	"sort"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
	"golang.org/x/sync/singleflight"
)

type sIotTSimDiagnose struct{}

type tSimDiagnoseCardInfo struct {
	Iccid              string      `json:"iccid"`
	Imsi               string      `json:"imsi"`
	Msisdn             string      `json:"msisdn"`
	ChanKey            string      `json:"chanKey"`
	TempKey            string      `json:"tempKey"`
	BossCardStatus     int         `json:"bossCardStatus"`
	DataServiceStatus  int         `json:"dataServiceStatus"`
	PackageStatus      int         `json:"packageStatus"`
	PackageTotalFlowMb float64     `json:"packageTotalFlowMb"`
	UsedFlowMb         float64     `json:"usedFlowMb"`
	FlowPkgBeginAt     *gtime.Time `json:"flowPkgBeginAt"`
	FlowPkgEndAt       *gtime.Time `json:"flowPkgEndAt"`
	FlowSyncTime       *gtime.Time `json:"flowSyncTime"`
	PackageName        string      `json:"packageName"`
	PackageType        string      `json:"packageType"`
	HasLocalCard       bool        `json:"hasLocalCard"`
}

const (
	simDiagnoseRegionCacheTTL = time.Hour
	simDiagnoseRegionLockTTL  = 15 * time.Second
	simDiagnoseRegionLockWait = 12 * time.Second
	simDiagnoseRegionLockPoll = 100 * time.Millisecond
)

var simDiagnoseRegionFlight singleflight.Group

type simDiagnoseRegionCachePayload struct {
	Item     model.SimBaseRes[model.SimRegionLimitStatusItem] `json:"item"`
	CachedAt string                                           `json:"cachedAt"`
}

type simDiagnoseRegionQueryResult struct {
	Item     *model.SimBaseRes[model.SimRegionLimitStatusItem]
	CachedAt string
	Cached   bool
}

func NewIotTSimDiagnose() *sIotTSimDiagnose {
	return &sIotTSimDiagnose{}
}

func init() {
	service.RegisterIotTSimDiagnose(NewIotTSimDiagnose())
}

// resolveDiagnoseCardInfo 查询诊断用卡信息，并优先使用卡通道关联表修正上游通道。
func (s *sIotTSimDiagnose) resolveDiagnoseCardInfo(ctx context.Context, queryCode string, operation string) (*tSimDiagnoseCardInfo, error) {
	queryCode = strings.TrimSpace(queryCode)
	if queryCode == "" {
		return nil, gerror.New(operation + "失败，请确认查询码是否正确")
	}

	assoc, err := resolveCardChannelAssocByIccid(ctx, queryCode)
	if err != nil {
		return nil, gerror.Wrap(err, operation+"失败，请稍后重试")
	}
	var assocDisplay cardChannelDisplayRecord
	var assocDisplayErr error
	hasAssoc := false
	if assoc != nil {
		assocDisplay, hasAssoc, assocDisplayErr = resolveDiagnoseAssocChannelDisplay(ctx, assoc, operation)
		if assocDisplayErr != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.resolveDiagnoseCardInfo, resolve assoc channel failed, queryCode %s, channelKey %s, err %+v", queryCode, assoc.ChannelKey, assocDisplayErr)
		}
	}

	cardInfoTable := dao.TSimCardInfo.Table()
	channelTable := dao.TSimChannels.Table()
	flowPackageTable := dao.TSimFlowPackageInfo.Table()
	cardValueCondition := "(" + cardInfoTable + "." + dao.TSimCardInfo.Columns().Msisdn + " = ? OR " +
		cardInfoTable + "." + dao.TSimCardInfo.Columns().Iccid + " = ? OR " +
		cardInfoTable + "." + dao.TSimCardInfo.Columns().Imsi + " = ?)"

	var cardInfo *tSimDiagnoseCardInfo
	err = service.IotTSimCardInfo().
		Model(ctx).
		LeftJoin(channelTable, channelTable+"."+dao.TSimChannels.Columns().ChanKey+"="+cardInfoTable+"."+dao.TSimCardInfo.Columns().ChanKey+" AND "+channelTable+"."+dao.TSimChannels.Columns().TenantId+"="+cardInfoTable+"."+dao.TSimCardInfo.Columns().TenantId).
		LeftJoin(flowPackageTable, flowPackageTable+"."+dao.TSimFlowPackageInfo.Columns().PackageCode+"="+cardInfoTable+"."+dao.TSimCardInfo.Columns().CurrentPackageCode+" AND "+flowPackageTable+"."+dao.TSimFlowPackageInfo.Columns().TenantId+"="+cardInfoTable+"."+dao.TSimCardInfo.Columns().TenantId).
		Where(cardValueCondition, queryCode, queryCode, queryCode).
		Fields(
			cardInfoTable+"."+dao.TSimCardInfo.Columns().Iccid+" as iccid",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().Imsi+" as imsi",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().Msisdn+" as msisdn",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().ChanKey+" as chanKey",
			channelTable+"."+dao.TSimChannels.Columns().TempKey+" as tempKey",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().BossCardStatus+" as bossCardStatus",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().DataServiceStatus+" as dataServiceStatus",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().PackageStatus+" as packageStatus",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().PackageTotalFlowMb+" as packageTotalFlowMb",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().UsedFlowMb+" as usedFlowMb",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().FlowPkgBeginAt+" as flowPkgBeginAt",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().FlowPkgEndAt+" as flowPkgEndAt",
			cardInfoTable+"."+dao.TSimCardInfo.Columns().FlowSyncTime+" as flowSyncTime",
			"COALESCE(NULLIF("+flowPackageTable+"."+dao.TSimFlowPackageInfo.Columns().PackageName+", ''), "+cardInfoTable+"."+dao.TSimCardInfo.Columns().CurrentPackageCode+") as packageName",
			flowPackageTable+"."+dao.TSimFlowPackageInfo.Columns().PackageType+" as packageType",
		).
		Limit(1).
		Scan(&cardInfo)
	if err != nil {
		return nil, gerror.Wrap(err, operation+"失败，请稍后重试")
	}
	if cardInfo == nil {
		if hasAssoc {
			cardInfo = &tSimDiagnoseCardInfo{
				Iccid:   queryCode,
				ChanKey: assocDisplay.ChanKey,
				TempKey: assocDisplay.TempKey,
			}
		} else {
			if assocDisplayErr != nil {
				return nil, assocDisplayErr
			}
			cardInfo, err = resolveLegacyDiagnoseCardInfo(ctx, queryCode)
			if err != nil {
				return nil, gerror.Wrap(err, operation+"失败")
			}
			if cardInfo == nil {
				return nil, gerror.New(operation + "失败，请确认查询码是否正确")
			}
		}
	} else {
		cardInfo.HasLocalCard = true
		if !hasAssoc && strings.TrimSpace(cardInfo.Iccid) != "" {
			localAssoc, resolveErr := resolveCardChannelAssocByIccid(ctx, cardInfo.Iccid)
			if resolveErr != nil {
				g.Log().Warningf(ctx, "sIotTSimDiagnose.resolveDiagnoseCardInfo, resolve card channel failed, iccid %s, err %+v", cardInfo.Iccid, resolveErr)
			} else if display, ok, displayErr := resolveDiagnoseAssocChannelDisplay(ctx, localAssoc, operation); displayErr != nil {
				g.Log().Warningf(ctx, "sIotTSimDiagnose.resolveDiagnoseCardInfo, resolve local assoc channel failed, iccid %s, err %+v", cardInfo.Iccid, displayErr)
				if assocDisplayErr == nil {
					assocDisplayErr = displayErr
				}
			} else if ok {
				assocDisplay = display
				hasAssoc = true
			}
		}
		if hasAssoc {
			cardInfo.ChanKey = assocDisplay.ChanKey
			cardInfo.TempKey = assocDisplay.TempKey
		}
	}
	if strings.TrimSpace(cardInfo.ChanKey) == "" {
		if assocDisplayErr != nil {
			return nil, assocDisplayErr
		}
		return nil, gerror.New(operation + "失败，未找到卡对应的上游通道")
	}
	return cardInfo, nil
}

func resolveDiagnoseAssocChannelDisplay(ctx context.Context, assoc *cardChannelAssocRecord, operation string) (cardChannelDisplayRecord, bool, error) {
	if assoc == nil {
		return cardChannelDisplayRecord{}, false, nil
	}
	display, ok, err := resolveCardChannelDisplayByAssoc(ctx, assoc, nil)
	if err != nil {
		return cardChannelDisplayRecord{}, false, gerror.Wrap(err, operation+"失败，请稍后重试")
	}
	if !ok || strings.TrimSpace(display.ChanKey) == "" {
		return cardChannelDisplayRecord{}, false, gerror.New(operation + "失败，卡通道关联已匹配，但未找到对应通道配置")
	}
	return display, true, nil
}

// Info 查询SIM卡诊断信息
func (s *sIotTSimDiagnose) Info(ctx context.Context, in *model.TSimDiagnoseInfoReq) (res *model.TSimDiagnoseInfoOutput, err error) {
	cardInfo, err := s.resolveDiagnoseCardInfo(ctx, in.QueryCode, "查询SIM卡诊断信息")
	if err != nil {
		return nil, err
	}

	if in.OnlyFlow {
		return s.buildDiagnosisCurrentFlow(ctx, cardInfo), nil
	}
	return s.buildDiagnosisInfo(ctx, cardInfo)
}

func (s *sIotTSimDiagnose) buildDiagnosisCurrentFlow(ctx context.Context, cardInfo *tSimDiagnoseCardInfo) *model.TSimDiagnoseInfoOutput {
	res := &model.TSimDiagnoseInfoOutput{
		Info: &model.TSimDiagnoseInfoItem{
			Iccid: emptyStringPtr(cardInfo.Iccid), Imsi: emptyStringPtr(cardInfo.Imsi), Msisdn: emptyStringPtr(cardInfo.Msisdn),
		},
		Modules: make(map[string]*model.TSimDiagnoseModuleItem),
	}
	diagCtx := upstreamlogic.WithPreservedUpstreamResults(upstreamlogic.WithDiagnoseUpstreamConfig(ctx))
	if strings.TrimSpace(cardInfo.Imsi) == "" || strings.TrimSpace(cardInfo.Msisdn) == "" {
		threeCodes, threeErr := resolveSimKeyThreeCodesFromUpstream(ctx, diagCtx, cardInfo.ChanKey, "iccid", cardInfo.Iccid)
		if threeErr != nil {
			setDiagnoseModule(res, "flowUsage", "error", threeErr.Error(), false, "")
			return res
		}
		if threeCodes != nil {
			cardInfo.Imsi = strings.TrimSpace(threeCodes.IMSI)
			cardInfo.Msisdn = strings.TrimSpace(threeCodes.MSISDN)
			res.Info.Imsi = emptyStringPtr(cardInfo.Imsi)
			res.Info.Msisdn = emptyStringPtr(cardInfo.Msisdn)
		}
	}
	s.applyDiagnoseCurrentFlowUsage(ctx, diagCtx, res, cardInfo.ChanKey)
	return res
}

func (s *sIotTSimDiagnose) buildDiagnosisInfo(ctx context.Context, cardInfo *tSimDiagnoseCardInfo) (res *model.TSimDiagnoseInfoOutput, err error) {
	res = &model.TSimDiagnoseInfoOutput{
		Info: &model.TSimDiagnoseInfoItem{
			Iccid:        emptyStringPtr(cardInfo.Iccid),
			Imsi:         emptyStringPtr(cardInfo.Imsi),
			Msisdn:       emptyStringPtr(cardInfo.Msisdn),
			Status:       nil,
			DataStatus:   nil,
			UsedFlowMb:   nil,
			FlowSyncTime: nil,
		},
		Session: &model.TSimDiagnoseSessionItem{},
		Modules: make(map[string]*model.TSimDiagnoseModuleItem),
	}
	res.Info.DataServiceSource = "apn"
	if isTelecomDiagnoseChannel(cardInfo.TempKey, cardInfo.ChanKey) {
		res.Info.DataServiceSource = "network_block"
	}
	applyDiagnoseRemainFlow(res.Info)
	setDiagnoseModule(res, "card", "success", "", false, "")

	if isMobileDiagnoseChannel(cardInfo.TempKey, cardInfo.ChanKey) {
		res.Info.HumanLimitStatus = nil
	}
	if isTelecomDiagnoseChannel(cardInfo.TempKey, cardInfo.ChanKey) {
		res.Info.RateLimitStatus = nil
		res.Info.RateLimitReason = nil
	}

	simKey := &model.SimKey{
		ChanKey: cardInfo.ChanKey,
		ICCID:   cardInfo.Iccid,
		IMSI:    cardInfo.Imsi,
		MSISDN:  cardInfo.Msisdn,
	}
	diagCtx := upstreamlogic.WithPreservedUpstreamResults(upstreamlogic.WithDiagnoseUpstreamConfig(ctx))

	var mu sync.Mutex
	updateDiagnose := func(fn func()) {
		mu.Lock()
		defer mu.Unlock()
		fn()
	}
	setModule := func(key string, status string, message string, cached bool, updatedAt string) {
		updateDiagnose(func() {
			setDiagnoseModule(res, key, status, message, cached, updatedAt)
			if key == "cardStatus" && res.Info.DataServiceSource == "network_block" && status != "success" && status != "cached" {
				setDiagnoseModule(res, "dataService", status, message, cached, updatedAt)
			}
		})
	}
	setUpstreamSuccess := func(key string, cached bool, updatedAt string) {
		status, message := diagnoseCachedModule(cached)
		setModule(key, status, message, cached, updatedAt)
	}

	// 本地卡信息缺失 MSISDN/IMSI（如仅通过号段关联命中通道、未录入本地卡表）时，
	// 先用 ICCID 调运营商接口补全三码，避免后续诊断因缺码而全部返回“码号信息错误”。
	if strings.TrimSpace(simKey.MSISDN) == "" || strings.TrimSpace(simKey.IMSI) == "" {
		cardValueType, cardValue := diagnoseLookupCardValue(simKey)
		if cardValueType == "" {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, no valid card identifier for three-code lookup, chanKey %s", cardInfo.ChanKey)
		} else if threeCodes, threeErr := resolveSimKeyThreeCodesFromUpstream(ctx, diagCtx, cardInfo.ChanKey, cardValueType, cardValue); threeErr != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, resolve three codes failed, iccid %s, chanKey %s, err %+v", cardInfo.Iccid, cardInfo.ChanKey, threeErr)
		} else if threeCodes != nil {
			simKey.ICCID = strings.TrimSpace(threeCodes.ICCID)
			simKey.IMSI = strings.TrimSpace(threeCodes.IMSI)
			simKey.MSISDN = strings.TrimSpace(threeCodes.MSISDN)
			updateDiagnose(func() {
				if value := emptyStringPtr(simKey.ICCID); value != nil {
					res.Info.Iccid = value
				}
				if value := emptyStringPtr(simKey.IMSI); value != nil {
					res.Info.Imsi = value
				}
				if value := emptyStringPtr(simKey.MSISDN); value != nil {
					res.Info.Msisdn = value
				}
			})
			if cardInfo != nil {
				cardInfo.Iccid = simKey.ICCID
				cardInfo.Imsi = simKey.IMSI
				cardInfo.Msisdn = simKey.MSISDN
			}
		}
	}

	runDiagnose := func(wg *sync.WaitGroup, fn func()) {
		wg.Add(1)
		go func() {
			defer wg.Done()
			fn()
		}()
	}

	var wg sync.WaitGroup
	runDiagnose(&wg, func() {
		if res.Info.DataServiceSource == "network_block" {
			return
		}
		apnOut, queryErr := service.UpstreamChan().QuerySimApnInfo(diagCtx, &model.SimApnInfoInput{
			SimKeys: []*model.SimKey{simKey},
			ReqData: model.SimInputReqNullDate{},
		})
		if queryErr != nil {
			setModule("dataService", "error", queryErr.Error(), false, "")
			return
		}
		if len(apnOut) == 0 {
			setModule("dataService", "error", "上游数据服务未返回有效结果", false, "")
			return
		}
		for _, item := range apnOut {
			if item.Code != 0 {
				continue
			}
			if dataStatus := diagnoseDataServiceStatusForChannel(item.ResData.ApnList, cardInfo.TempKey, cardInfo.ChanKey); dataStatus != nil {
				updateDiagnose(func() { res.Info.DataStatus = dataStatus })
				setUpstreamSuccess("dataService", item.Cached, item.UpdatedAt)
				return
			}
		}
		if apnOut[0].Code == 5000 {
			setModule("dataService", "skipped", apnOut[0].Message, false, "")
			return
		}
		if apnOut[0].Code != 0 {
			status, message := diagnoseUpstreamFailure("上游数据服务查询失败", apnOut[0].Code, apnOut[0].Message)
			setModule("dataService", status, message, false, "")
			return
		}
		setModule("dataService", "skipped", "上游数据服务未返回有效状态", false, "")
	})
	runDiagnose(&wg, func() {
		if basicOut, err := service.UpstreamChan().QuerySimBasicInfo(diagCtx, &model.SimBasicInfoInput{
			SimKeys: []*model.SimKey{simKey},
			ReqData: model.SimInputReqNullDate{},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim basic info failed, simKey %+v, err %+v", simKey, err)
			setModule("basicInfo", "error", err.Error(), false, "")
		} else if len(basicOut) > 0 {
			item := basicOut[0]
			if item.Code == 0 {
				data := item.ResData
				updateDiagnose(func() {
					if value := emptyStringPtr(data.ICCID); value != nil {
						res.Info.Iccid = value
					}
					if value := emptyStringPtr(data.IMSI); value != nil {
						res.Info.Imsi = value
					}
					if value := emptyStringPtr(data.MSISDN); value != nil {
						res.Info.Msisdn = value
					}
					if res.Info.RegionLimitType == nil {
						res.Info.RegionLimitType = emptyStringPtr(data.AreaLimitType)
					}
					if res.Info.RegionLimitArea == nil {
						res.Info.RegionLimitArea = emptyStringPtr(data.AreaLimitInfo)
					}
					humanLimitStatus := mapHumanLimitStatus(data.IsHumanLimit)
					if humanLimitStatus != nil && *humanLimitStatus != "2" {
						res.Info.HumanLimitStatus = humanLimitStatus
					} else if !isMobileDiagnoseChannel(cardInfo.TempKey, cardInfo.ChanKey) {
						res.Info.HumanLimitStatus = humanLimitStatus
					}
				})
				setUpstreamSuccess("basicInfo", item.Cached, item.UpdatedAt)
			} else if item.Code == 5000 {
				setModule("basicInfo", "skipped", item.Message, false, "")
			} else {
				setModule("basicInfo", "error", diagnoseUpstreamMessage("上游基础信息查询失败", item.Code, item.Message), false, "")
			}
		} else {
			setModule("basicInfo", "error", "上游基础信息未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if statusOut, err := service.UpstreamChan().QuerySimCardStatus(diagCtx, &model.SimCardStatusInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim card status failed, simKey %+v, err %+v", simKey, err)
			setModule("cardStatus", "error", err.Error(), false, "")
		} else if len(statusOut) > 0 {
			item := statusOut[0]
			if item.Code == 0 {
				updateDiagnose(func() {
					res.Info.Status = diagnoseCardStatusPtr(item.ResData.CardStatus)
					if res.Info.DataServiceSource == "network_block" {
						if applyDiagnoseNetworkBlock(res.Info, item.ResData) {
							dataStatus, dataMessage := diagnoseCachedModule(item.Cached)
							setDiagnoseModule(res, "dataService", dataStatus, dataMessage, item.Cached, item.UpdatedAt)
						} else {
							setDiagnoseModule(res, "dataService", "skipped", "电信未返回有效断网状态", false, "")
						}
					}
					status, message := diagnoseCachedModule(item.Cached)
					setDiagnoseModule(res, "cardStatus", status, message, item.Cached, item.UpdatedAt)
				})
			} else if item.Code == 5000 {
				setModule("cardStatus", "skipped", item.Message, false, "")
			} else {
				status, message := diagnoseUpstreamFailure("上游卡状态查询失败", item.Code, item.Message)
				setModule("cardStatus", status, message, false, "")
			}
		} else {
			setModule("cardStatus", "error", "上游卡状态未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if sessionOut, err := service.UpstreamChan().QuerySimSession(diagCtx, &model.SimSessionInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim session failed, simKey %+v, err %+v", simKey, err)
			setModule("session", "error", err.Error(), false, "")
		} else if len(sessionOut) > 0 {
			item := sessionOut[0]
			if item.Code == 0 {
				data := item.ResData
				if data.Status == "" && data.ApnId == "" && data.Ipv4 == "" && data.Ipv6 == "" && data.Rat == "" && data.CreateTime == "" {
					setModule("session", "skipped", "上游会话信息未返回有效结果", false, "")
					return
				}
				sessionStatus := diagnoseSessionStatus(data.Status)
				updateDiagnose(func() {
					res.Info.OnlineStatus = mapOnlineStatus(sessionStatus)
					res.Session.ApnId = emptyStringPtr(data.ApnId)
					res.Session.Rat = emptyStringPtr(data.Rat)
					res.Session.Ipv4 = emptyStringPtr(data.Ipv4)
					res.Session.Ipv6 = emptyStringPtr(data.Ipv6)
					res.Session.Ipv6Prefix = emptyStringPtr(data.Ipv6Prefix)
					res.Session.Status = emptyStringPtr(sessionStatus)
					res.Session.CreateTime = emptyStringPtr(data.CreateTime)
				})
				setUpstreamSuccess("session", item.Cached, item.UpdatedAt)
			} else if item.Code == 5000 {
				setModule("session", "skipped", item.Message, false, "")
			} else {
				setModule("session", "error", diagnoseUpstreamMessage("上游会话信息查询失败", item.Code, item.Message), false, "")
			}
		} else {
			setModule("session", "error", "上游会话信息未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		items, queryErr := service.UpstreamChan().QuerySimImei(diagCtx, &model.SimImeiInput{
			SimKeys: []*model.SimKey{simKey},
		})
		if queryErr != nil {
			setModule("imei", "error", queryErr.Error(), false, "")
			return
		}
		if len(items) == 0 {
			setModule("imei", "skipped", "上游IMEI未返回有效结果", false, "")
			return
		}
		item := items[0]
		if item.Code != 0 {
			status, message := diagnoseUpstreamFailure("上游IMEI查询失败", item.Code, item.Message)
			setModule("imei", status, message, false, "")
			return
		}
		imei := emptyStringPtr(item.ResData.Imei)
		if imei == nil {
			setModule("imei", "skipped", "上游IMEI未返回有效结果", false, "")
			return
		}
		updateDiagnose(func() { res.Session.Imei = imei })
		setUpstreamSuccess("imei", item.Cached, item.UpdatedAt)
	})

	runDiagnose(&wg, func() {
		if deviceOut, err := service.UpstreamChan().QuerySimDeviceStatus(diagCtx, &model.SimDeviceStatusInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim device status failed, simKey %+v, err %+v", simKey, err)
			setModule("device", "error", err.Error(), false, "")
		} else if len(deviceOut) > 0 {
			if deviceOut[0].Code == 5000 {
				updateDiagnose(func() {
					res.Info.DeviceStatus = nil
				})
				setModule("device", "skipped", deviceOut[0].Message, false, "")
			} else if deviceOut[0].Code == 0 {
				if mapDeviceStatus(deviceOut[0].ResData.DeviceStatus) == nil && mapOperatingStatus(deviceOut[0].ResData.OperatingStatus) == nil {
					setModule("device", "skipped", "上游设备状态未返回有效结果", false, "")
					return
				}
				updateDiagnose(func() {
					res.Info.DeviceStatus = mapDeviceStatus(deviceOut[0].ResData.DeviceStatus)
					res.Info.OperatingStatus = mapOperatingStatus(deviceOut[0].ResData.OperatingStatus)
				})
				setUpstreamSuccess("device", deviceOut[0].Cached, deviceOut[0].UpdatedAt)
			} else {
				status, message := diagnoseUpstreamFailure("上游设备状态查询失败", deviceOut[0].Code, deviceOut[0].Message)
				setModule("device", status, message, false, "")
			}
		} else {
			setModule("device", "error", "上游设备状态未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if bindOut, err := service.UpstreamChan().QuerySimCardBindStatus(diagCtx, &model.SimCardBindStatusInput{
			SimKeys: []*model.SimKey{simKey},
			ReqData: model.SimCardBindStatusInputItem{TestType: 0},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim card bind status failed, simKey %+v, err %+v", simKey, err)
			setModule("cardBind", "error", err.Error(), false, "")
		} else if len(bindOut) > 0 {
			if bindOut[0].Code == 5000 {
				updateDiagnose(func() {
					res.Info.ImeiStatus = nil
				})
				setModule("cardBind", "skipped", bindOut[0].Message, false, "")
			} else if bindOut[0].Code == 0 {
				bindStatus := strings.TrimSpace(bindOut[0].ResData.BindStatus)
				if bindOut[0].ResData.OrderStatus == "1" {
					updateDiagnose(func() { res.Info.ImeiStatus = nil })
					setModule("cardBind", "skipped", "该卡未订购机卡绑定服务", false, "")
				} else if bindStatus == "2" || bindStatus == "-" {
					message := strings.TrimSpace(bindOut[0].ResData.ErrorDes)
					if message == "" {
						message = strings.TrimSpace(bindOut[0].ResData.ErrorCode)
					}
					if message == "" {
						message = "上游机卡绑定网络查询失败"
					}
					updateDiagnose(func() {
						res.Info.ImeiStatus = nil
					})
					setModule("cardBind", "error", message, false, "")
				} else {
					updateDiagnose(func() {
						res.Info.ImeiStatus = mapImeiStatusByBindResult(bindStatus)
					})
					setUpstreamSuccess("cardBind", bindOut[0].Cached, bindOut[0].UpdatedAt)
				}
			} else {
				status, message := diagnoseUpstreamFailure("上游机卡绑定状态查询失败", bindOut[0].Code, bindOut[0].Message)
				setModule("cardBind", status, message, false, "")
			}
		} else {
			setModule("cardBind", "error", "上游机卡绑定状态未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		regionResult, err := queryDiagnoseRegionLimit(ctx, diagCtx, simKey, shouldCacheDiagnoseRegionLimit(cardInfo.TempKey, cardInfo.ChanKey))
		if err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim region limit status failed, simKey %+v, err %+v", simKey, err)
			setModule("region", "error", err.Error(), false, "")
		} else if regionResult != nil && regionResult.Item != nil {
			updateDiagnose(func() {
				applyDiagnoseRegionLimit(res, regionResult.Item)
			})
			status, message, updatedAt := diagnoseRegionModule(regionResult)
			setModule("region", status, message, regionResult.Cached, updatedAt)
		} else {
			setModule("region", "error", "区域限制未返回有效数据，请稍后重试", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if rateLimitOut, err := service.UpstreamChan().QuerySimDataDiagnosis(diagCtx, &model.SimDataDiagnosisInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim data diagnosis failed, simKey %+v, err %+v", simKey, err)
			setModule("rateLimit", "error", err.Error(), false, "")
		} else if len(rateLimitOut) > 0 {
			updateDiagnose(func() {
				applyDiagnoseRateLimit(res, &rateLimitOut[0])
			})
			if rateLimitOut[0].Code == 5000 {
				setModule("rateLimit", "skipped", rateLimitOut[0].Message, false, "")
			} else if rateLimitOut[0].Code == 0 {
				setUpstreamSuccess("rateLimit", rateLimitOut[0].Cached, rateLimitOut[0].UpdatedAt)
			} else {
				status, message := diagnoseUpstreamFailure("上游达量限速查询失败", rateLimitOut[0].Code, rateLimitOut[0].Message)
				setModule("rateLimit", status, message, false, "")
			}
		} else {
			setModule("rateLimit", "error", "上游达量限速未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if stopOut, err := service.UpstreamChan().QuerySimStopReason(diagCtx, &model.SimStopReasonInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim stop reason failed, simKey %+v, err %+v", simKey, err)
			setModule("stopReason", "error", err.Error(), false, "")
		} else if len(stopOut) > 0 {
			if stopOut[0].Code == 0 {
				updateDiagnose(func() {
					res.Info.StopReason = emptyStringPtr(normalizeDiagnoseStopReason(stopOut[0].ResData.StopReason))
				})
				setUpstreamSuccess("stopReason", stopOut[0].Cached, stopOut[0].UpdatedAt)
			} else if stopOut[0].Code == 5000 {
				setModule("stopReason", "skipped", stopOut[0].Message, false, "")
			} else {
				status, message := diagnoseUpstreamFailure("上游停机原因查询失败", stopOut[0].Code, stopOut[0].Message)
				setModule("stopReason", status, message, false, "")
			}
		} else {
			setModule("stopReason", "error", "上游停机原因未返回有效结果", false, "")
		}
	})

	runDiagnose(&wg, func() {
		if frozenOut, err := service.UpstreamChan().QuerySimFrozenState(diagCtx, &model.SimFrozenStateInput{
			SimKeys: []*model.SimKey{simKey},
		}); err != nil {
			g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query sim frozen state failed, simKey %+v, err %+v", simKey, err)
			setModule("frozen", "error", err.Error(), false, "")
		} else if len(frozenOut) > 0 {
			if frozenOut[0].Code == 0 {
				if strings.TrimSpace(frozenOut[0].ResData.FrozenStatus) == "" {
					setModule("frozen", "skipped", "上游冻结状态未返回有效结果", false, "")
					return
				}
				updateDiagnose(func() {
					res.Info.FrozenStatus = emptyStringPtr(frozenOut[0].ResData.FrozenStatus)
					res.Info.FrozenReason = emptyStringPtr(frozenOut[0].ResData.FrozenReason)
					res.Info.FrozenOperTime = emptyStringPtr(frozenOut[0].ResData.OperTime)
				})
				setUpstreamSuccess("frozen", frozenOut[0].Cached, frozenOut[0].UpdatedAt)
			} else if frozenOut[0].Code == 5000 {
				setModule("frozen", "skipped", frozenOut[0].Message, false, "")
			} else {
				status, message := diagnoseUpstreamFailure("上游冻结状态查询失败", frozenOut[0].Code, frozenOut[0].Message)
				setModule("frozen", status, message, false, "")
			}
		} else {
			setModule("frozen", "error", "上游冻结状态未返回有效结果", false, "")
		}
	})
	wg.Wait()
	s.applyDiagnoseCurrentFlowUsage(ctx, diagCtx, res, cardInfo.ChanKey)

	return res, nil
}

// Flow 查询SIM卡使用流量
func (s *sIotTSimDiagnose) Flow(ctx context.Context, in *model.TSimDiagnoseFlowReq) (res *model.TSimDiagnoseFlowOutput, err error) {
	cardInfo, err := s.resolveDiagnoseCardInfo(ctx, in.QueryCode, "查询SIM卡使用流量")
	if err != nil {
		return nil, err
	}

	switch in.QueryType {
	case "7d", "30d":
		return s.queryDailyFlow(ctx, cardInfo.Iccid, in.QueryType)
	case "6M":
		return s.queryMonthlyFlow(ctx, cardInfo.Iccid)
	default:
		return nil, gerror.New("查询SIM卡使用流量失败，查询类型不正确")
	}
}

// emptyStringPtr 返回非空字符串的指针，空字符串返回nil
func emptyStringPtr(value string) *string {
	if strings.TrimSpace(value) == "" {
		return nil
	}
	return &value
}

func diagnoseFlowFloatPtr(ok bool, value float64) *float64 {
	if !ok {
		return nil
	}
	if value < 0 {
		value = 0
	}
	return &value
}

func applyDiagnoseRemainFlow(info *model.TSimDiagnoseInfoItem) {
	if info == nil || info.PackageTotalFlowMb == nil || info.UsedFlowMb == nil {
		return
	}
	remain := *info.PackageTotalFlowMb - *info.UsedFlowMb
	if remain < 0 {
		remain = 0
	}
	info.RemainFlowMb = &remain
}

func diagnoseLookupCardValue(simKey *model.SimKey) (string, string) {
	if simKey == nil {
		return "", ""
	}
	for _, item := range []struct {
		cardValueType string
		cardValue     string
	}{
		{cardValueType: "iccid", cardValue: simKey.ICCID},
		{cardValueType: "imsi", cardValue: simKey.IMSI},
		{cardValueType: "msisdn", cardValue: simKey.MSISDN},
	} {
		if value := strings.TrimSpace(item.cardValue); value != "" {
			return item.cardValueType, value
		}
	}
	return "", ""
}

func (s *sIotTSimDiagnose) applyDiagnoseCurrentFlowUsage(ctx context.Context, diagCtx context.Context, res *model.TSimDiagnoseInfoOutput, chanKey string) {
	if res == nil || res.Info == nil {
		return
	}
	simKey := &model.SimKey{ChanKey: strings.TrimSpace(chanKey)}
	if res.Info.Iccid != nil {
		simKey.ICCID = strings.TrimSpace(*res.Info.Iccid)
	}
	if res.Info.Imsi != nil {
		simKey.IMSI = strings.TrimSpace(*res.Info.Imsi)
	}
	if res.Info.Msisdn != nil {
		simKey.MSISDN = strings.TrimSpace(*res.Info.Msisdn)
	}
	if simKey.ChanKey == "" {
		setDiagnoseModule(res, "flowUsage", "error", "未找到卡对应的上游通道", false, "")
		return
	}

	out, err := service.UpstreamChan().QuerySimDatausage(diagCtx, &model.SimDataUsageInput{
		SimKeys: []*model.SimKey{simKey},
		ReqData: model.SimInputReqNullDate{},
	})
	if err != nil {
		g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, query current flow usage failed, simKey %+v, err %+v", simKey, err)
		setDiagnoseModule(res, "flowUsage", "error", err.Error(), false, "")
		return
	}
	if len(out) == 0 {
		setDiagnoseModule(res, "flowUsage", "error", "上游实时流量未返回有效结果", false, "")
		return
	}
	item := out[0]
	if item.Code == 5000 || isDiagnoseUnsupportedMessage(item.Message) {
		setDiagnoseModule(res, "flowUsage", "skipped", item.Message, false, "")
		return
	}
	if item.Code != 0 {
		status, message := diagnoseUpstreamFailure("上游实时流量查询失败", item.Code, item.Message)
		setDiagnoseModule(res, "flowUsage", status, message, false, "")
		return
	}

	res.Info.UsedFlowMb = diagnoseFlowFloatPtr(true, item.ResData.DataUsage)
	syncTime := gtime.Now().Format("Y-m-d H:i:s")
	if item.Cached && strings.TrimSpace(item.UpdatedAt) != "" {
		syncTime = strings.TrimSpace(item.UpdatedAt)
	}
	res.Info.FlowSyncTime = &syncTime
	applyDiagnoseRemainFlow(res.Info)
	status, message := diagnoseCachedModule(item.Cached)
	setDiagnoseModule(res, "flowUsage", status, message, item.Cached, item.UpdatedAt)
}

func diagnoseDataServiceStatus(items []model.SimApnInfoItem) *string {
	return diagnoseDataServiceStatusForChannel(items, "sim_yd", "")
}

func diagnoseDataServiceStatusForChannel(items []model.SimApnInfoItem, tempKey string, chanKey string) *string {
	mobile := diagnoseIsMobileChannel(tempKey, chanKey)
	var selected *string
	for _, item := range items {
		if mobile && !strings.EqualFold(strings.TrimSpace(item.ApnName), consts.SimCardDataApnName) {
			continue
		}
		status := strings.TrimSpace(item.Status)
		if strings.TrimSpace(item.ApnName) == "" || (status != "0" && status != "1") {
			return nil
		}
		if selected != nil && *selected != status {
			return nil
		}
		selected = emptyStringPtr(status)
	}
	return selected
}

func diagnoseIsMobileChannel(tempKey string, chanKey string) bool {
	value := strings.ToLower(strings.TrimSpace(tempKey + " " + chanKey))
	return strings.Contains(value, "sim_yd") || strings.Contains(value, "yd_mock")
}
func diagnoseCardStatusPtr(status int) *string {
	switch status {
	case 0, 1, 2, 4, 6, 7, 8, 9:
	default:
		return nil
	}
	value := strconv.Itoa(status)
	return &value
}

func mapDiagnoseCardStatus(status string) *string {
	switch strings.TrimSpace(status) {
	case "":
		return nil
	case "0", "未知":
		return diagnoseCardStatusPtr(0)
	case "1", "待激活":
		return diagnoseCardStatusPtr(1)
	case "2", "已激活", "正常", "在用":
		return diagnoseCardStatusPtr(2)
	case "4", "停机", "已停机":
		return diagnoseCardStatusPtr(4)
	case "6", "可测试", "测试期":
		return diagnoseCardStatusPtr(6)
	case "7", "库存":
		return diagnoseCardStatusPtr(7)
	case "8", "预销户":
		return diagnoseCardStatusPtr(8)
	case "9", "已销户", "销户":
		return diagnoseCardStatusPtr(9)
	default:
		return nil
	}
}

func isMobileDiagnoseChannel(tempKey string, chanKey string) bool {
	value := strings.ToLower(strings.TrimSpace(tempKey + " " + chanKey))
	return strings.Contains(value, "sim_yd") || strings.Contains(value, "yd_mock")
}

func isTelecomDiagnoseChannel(tempKey string, chanKey string) bool {
	value := strings.ToLower(strings.TrimSpace(tempKey + " " + chanKey))
	return strings.Contains(value, "sim_dx") || strings.Contains(value, "dx_")
}

func shouldCacheDiagnoseRegionLimit(tempKey string, chanKey string) bool {
	value := strings.ToLower(strings.TrimSpace(tempKey + " " + chanKey))
	return isMobileDiagnoseChannel(tempKey, chanKey) ||
		strings.Contains(value, "onelink") ||
		strings.Contains(value, "shared_token")
}

func normalizeDiagnoseStopReason(stopReason string) string {
	switch strings.TrimSpace(stopReason) {
	case "", "000000000000":
		return "未停机或系统暂无停机原因"
	default:
		return strings.TrimSpace(stopReason)
	}
}

func diagnoseUpstreamMessage(prefix string, code int, message string) string {
	message = strings.TrimSpace(message)
	if message != "" {
		if isDiagnoseUnsupportedMessage(message) {
			return ""
		}
		if normalized := normalizeDiagnoseCustomerMessage(message); normalized != "" {
			return normalized
		}
	}

	prefix = strings.TrimSpace(prefix)
	if prefix == "" {
		prefix = "上游查询失败"
	}

	if isDiagnoseUnsupportedMessage(prefix) {
		return ""
	}
	return normalizeDiagnoseCustomerMessage(prefix)
}

func diagnoseUpstreamFailure(prefix string, code int, message string) (status string, displayMessage string) {
	if code == 5000 || isDiagnoseUnsupportedMessage(message) {
		return "skipped", message
	}
	return "error", diagnoseUpstreamMessage(prefix, code, message)
}

const simDiagnoseRetryMessage = "查询暂时未完成，请稍后重试"

func isDiagnoseUnsupportedMessage(message string) bool {
	message = strings.TrimSpace(message)
	if message == "" {
		return false
	}
	return strings.Contains(message, "暂不提供") ||
		strings.Contains(message, "暂未提供") ||
		strings.Contains(message, "未提供独立") ||
		strings.Contains(message, "不支持查询") ||
		strings.Contains(message, "运营商暂不支持") ||
		strings.Contains(message, "暂未提供当前达量限速查询能力") ||
		strings.Contains(message, "不提供查询能力")
}

func normalizeDiagnoseCustomerMessage(message string) string {
	message = strings.TrimSpace(message)
	if message == "" {
		return ""
	}

	lower := strings.ToLower(message)
	switch {
	case strings.Contains(message, "同一卡号60分钟"):
		return "区域限制查询受运营商频率限制，暂未取得有效结果，请在上次查询60分钟后再试"
	case strings.Contains(lower, "context deadline exceeded"),
		strings.Contains(lower, "client.timeout"),
		strings.Contains(lower, "dial tcp"),
		strings.Contains(lower, "connection refused"),
		strings.Contains(lower, "request failed"),
		strings.Contains(lower, "timeout"),
		strings.Contains(lower, "token"),
		strings.Contains(lower, "http://"),
		strings.Contains(lower, "https://"):
		return simDiagnoseRetryMessage
	case strings.Contains(message, "上游"),
		strings.Contains(message, "缓存"),
		strings.Contains(message, "60分钟"),
		strings.Contains(message, "未返回有效结果"),
		strings.Contains(message, "通道未实例化"):
		return simDiagnoseRetryMessage
	case isDiagnoseUnsupportedMessage(message):
		return ""
	default:
		return message
	}
}

func setDiagnoseModule(res *model.TSimDiagnoseInfoOutput, key string, status string, message string, cached bool, updatedAt string) {
	if res == nil {
		return
	}
	if res.Modules == nil {
		res.Modules = make(map[string]*model.TSimDiagnoseModuleItem)
	}
	reason := diagnoseModuleReason(status, message)
	message = normalizeDiagnoseCustomerMessage(message)
	res.Modules[key] = &model.TSimDiagnoseModuleItem{
		Reason:    reason,
		Status:    status,
		Message:   strings.TrimSpace(message),
		Cached:    cached,
		UpdatedAt: updatedAt,
	}
}

func diagnoseModuleReason(status string, message string) string {
	switch {
	case status == "error" && (strings.Contains(message, "60分钟") || strings.Contains(message, "频率限制")):
		return "rate_limited"
	case status == "error":
		return "query_error"
	case strings.Contains(message, "未订购"), strings.Contains(message, "未开通"), strings.Contains(message, "通道未申请"):
		return "not_subscribed"
	case status == "skipped" && (strings.Contains(message, "未返回") || strings.Contains(message, "未查询到") || strings.Contains(message, "无数据")):
		return "no_data"
	case status == "skipped":
		return "unsupported"
	default:
		return ""
	}
}

func diagnoseCachedModule(cached bool) (status string, message string) {
	if cached {
		return "cached", "上游查询存在频率限制，当前展示最近一次缓存结果。"
	}
	return "success", ""
}

func diagnoseRegionCacheKey(simKey *model.SimKey) string {
	if simKey == nil {
		return "iotlcm:sim-diagnose:region:unknown"
	}
	parts := []string{
		safeDiagnoseCachePart(simKey.ChanKey),
		safeDiagnoseCachePart(simKey.ICCID),
		safeDiagnoseCachePart(simKey.IMSI),
		safeDiagnoseCachePart(simKey.MSISDN),
	}
	return "iotlcm:sim-diagnose:region:" + strings.Join(parts, ":")
}

func diagnoseRegionLockKey(simKey *model.SimKey) string {
	return diagnoseRegionCacheKey(simKey) + ":lock"
}

func queryDiagnoseRegionLimit(ctx context.Context, diagCtx context.Context, simKey *model.SimKey, useCache bool) (*simDiagnoseRegionQueryResult, error) {
	if !useCache {
		return fetchDiagnoseRegionLimit(diagCtx, simKey)
	}
	if cached, cachedAt, ok := getCachedDiagnoseRegionLimit(ctx, simKey); ok {
		return &simDiagnoseRegionQueryResult{Item: cached, CachedAt: cachedAt, Cached: true}, nil
	}

	value, err, _ := simDiagnoseRegionFlight.Do(diagnoseRegionCacheKey(simKey), func() (any, error) {
		if cached, cachedAt, ok := getCachedDiagnoseRegionLimit(ctx, simKey); ok {
			return &simDiagnoseRegionQueryResult{Item: cached, CachedAt: cachedAt, Cached: true}, nil
		}
		return queryDiagnoseRegionLimitWithLock(ctx, diagCtx, simKey)
	})
	if err != nil {
		return nil, err
	}
	result, ok := value.(*simDiagnoseRegionQueryResult)
	if !ok || result == nil {
		return nil, gerror.New("区域限制查询未返回有效结果")
	}
	return result, nil
}

func queryDiagnoseRegionLimitWithLock(ctx context.Context, diagCtx context.Context, simKey *model.SimKey) (*simDiagnoseRegionQueryResult, error) {
	lockKey := diagnoseRegionLockKey(simKey)
	lockValue := uuid32.S()
	acquired, err := acquireDiagnoseRegionLock(ctx, lockKey, lockValue)
	if err != nil {
		g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, acquire region cache lock failed, key %s, err %+v", lockKey, err)
		return fetchAndCacheDiagnoseRegionLimit(ctx, diagCtx, simKey)
	}
	if acquired {
		defer releaseDiagnoseRegionLock(lockKey, lockValue)
		if cached, cachedAt, ok := getCachedDiagnoseRegionLimit(ctx, simKey); ok {
			return &simDiagnoseRegionQueryResult{Item: cached, CachedAt: cachedAt, Cached: true}, nil
		}
		return fetchAndCacheDiagnoseRegionLimit(ctx, diagCtx, simKey)
	}

	deadline := time.NewTimer(simDiagnoseRegionLockWait)
	ticker := time.NewTicker(simDiagnoseRegionLockPoll)
	defer deadline.Stop()
	defer ticker.Stop()
	for {
		select {
		case <-ctx.Done():
			return nil, ctx.Err()
		case <-deadline.C:
			return nil, gerror.New("区域限制查询正在处理中，请稍后重试")
		case <-ticker.C:
			if cached, cachedAt, ok := getCachedDiagnoseRegionLimit(ctx, simKey); ok {
				return &simDiagnoseRegionQueryResult{Item: cached, CachedAt: cachedAt, Cached: true}, nil
			}
			acquired, lockErr := acquireDiagnoseRegionLock(ctx, lockKey, lockValue)
			if lockErr != nil {
				g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, retry region cache lock failed, key %s, err %+v", lockKey, lockErr)
				continue
			}
			if acquired {
				defer releaseDiagnoseRegionLock(lockKey, lockValue)
				return fetchAndCacheDiagnoseRegionLimit(ctx, diagCtx, simKey)
			}
		}
	}
}

func fetchDiagnoseRegionLimit(ctx context.Context, simKey *model.SimKey) (*simDiagnoseRegionQueryResult, error) {
	regionOut, err := service.UpstreamChan().QuerySimRegionLimitStatus(ctx, &model.SimRegionLimitStatusInput{
		SimKeys: []*model.SimKey{simKey},
	})
	if err != nil {
		return nil, err
	}
	if len(regionOut) == 0 {
		return nil, nil
	}
	return &simDiagnoseRegionQueryResult{Item: &regionOut[0], CachedAt: gtime.Now().Format("Y-m-d H:i:s")}, nil
}

func fetchAndCacheDiagnoseRegionLimit(ctx context.Context, diagCtx context.Context, simKey *model.SimKey) (*simDiagnoseRegionQueryResult, error) {
	result, err := fetchDiagnoseRegionLimit(diagCtx, simKey)
	if err != nil || result == nil || result.Item == nil {
		return result, err
	}
	if isDiagnoseRegionLimitCacheable(result.Item) {
		setCachedDiagnoseRegionLimit(ctx, simKey, *result.Item, result.CachedAt)
	}
	return result, nil
}

func diagnoseRegionModule(result *simDiagnoseRegionQueryResult) (status string, message string, updatedAt string) {
	if result == nil || result.Item == nil {
		return "error", "区域限制未返回有效数据，请稍后重试", ""
	}
	if result.Cached && isDiagnoseRegionLimitCacheable(result.Item) {
		updatedAt, hint := describeDiagnoseRegionCache(result.CachedAt)
		return "cached", "运营商一小时内只能查询一次，当前展示最近一次查询结果。" + hint, updatedAt
	}
	if isDiagnoseRegionLimitCacheable(result.Item) {
		updatedAt, hint := describeDiagnoseRegionCache(result.CachedAt)
		return "success", hint, updatedAt
	}
	if result.Item.Code == 5000 {
		return "skipped", result.Item.Message, ""
	}
	rawMessage := strings.TrimSpace(result.Item.Message)
	message = normalizeDiagnoseCustomerMessage(rawMessage)
	if message == "" {
		message = "区域限制未返回有效数据，请稍后重试"
	}
	return "error", message, ""
}

func acquireDiagnoseRegionLock(ctx context.Context, key string, value string) (bool, error) {
	res, err := g.Redis().Do(ctx, "SET", key, value, "NX", "PX", simDiagnoseRegionLockTTL.Milliseconds())
	if err != nil {
		return false, err
	}
	return strings.EqualFold(strings.TrimSpace(res.String()), "OK"), nil
}

func releaseDiagnoseRegionLock(key string, value string) {
	const script = `if redis.call("GET", KEYS[1]) == ARGV[1] then return redis.call("DEL", KEYS[1]) else return 0 end`
	releaseCtx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	if _, err := g.Redis().Do(releaseCtx, "EVAL", script, 1, key, value); err != nil {
		g.Log().Warningf(releaseCtx, "sIotTSimDiagnose.Info, release region cache lock failed, key %s, err %+v", key, err)
	}
}

func safeDiagnoseCachePart(value string) string {
	value = strings.TrimSpace(value)
	if value == "" {
		return "-"
	}
	replacer := strings.NewReplacer(":", "_", "\n", "_", "\r", "_", "\t", "_", " ", "_")
	return replacer.Replace(value)
}

func getCachedDiagnoseRegionLimit(ctx context.Context, simKey *model.SimKey) (*model.SimBaseRes[model.SimRegionLimitStatusItem], string, bool) {
	cacheKey := diagnoseRegionCacheKey(simKey)
	value, err := g.Redis().Get(ctx, cacheKey)
	if err != nil || value == nil || strings.TrimSpace(value.String()) == "" {
		return nil, "", false
	}
	var payload simDiagnoseRegionCachePayload
	if err = json.Unmarshal([]byte(value.String()), &payload); err != nil {
		g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, unmarshal region cache failed, key %s, err %+v", cacheKey, err)
		return nil, "", false
	}
	if !isDiagnoseRegionLimitCacheable(&payload.Item) {
		_, _ = g.Redis().Do(ctx, "DEL", cacheKey)
		return nil, "", false
	}
	return &payload.Item, payload.CachedAt, true
}

func setCachedDiagnoseRegionLimit(ctx context.Context, simKey *model.SimKey, item model.SimBaseRes[model.SimRegionLimitStatusItem], cachedAt string) {
	if !isDiagnoseRegionLimitCacheable(&item) {
		return
	}
	if strings.TrimSpace(cachedAt) == "" {
		cachedAt = gtime.Now().Format("Y-m-d H:i:s")
	}
	payload := simDiagnoseRegionCachePayload{
		Item:     item,
		CachedAt: cachedAt,
	}
	raw, err := json.Marshal(payload)
	if err != nil {
		g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, marshal region cache failed, simKey %+v, err %+v", simKey, err)
		return
	}
	if _, err = g.Redis().Do(ctx, "SETEX", diagnoseRegionCacheKey(simKey), int(simDiagnoseRegionCacheTTL.Seconds()), string(raw)); err != nil {
		g.Log().Warningf(ctx, "sIotTSimDiagnose.Info, set region cache failed, simKey %+v, err %+v", simKey, err)
	}
}

func hasDiagnoseRegionLimitData(item *model.SimBaseRes[model.SimRegionLimitStatusItem]) bool {
	if item == nil {
		return false
	}
	data := item.ResData
	return strings.TrimSpace(data.RegionLimitStatus) != "" ||
		strings.TrimSpace(data.OrderStatus) != "" ||
		strings.TrimSpace(data.LimitStatus) != "" ||
		strings.TrimSpace(data.LimitType) != "" ||
		strings.TrimSpace(data.LimitArea) != ""
}

func isDiagnoseRegionLimitCacheable(item *model.SimBaseRes[model.SimRegionLimitStatusItem]) bool {
	if item == nil || item.Code != 0 {
		return false
	}

	data := item.ResData
	return isKnownDiagnoseRegionStatus(data.RegionLimitStatus) ||
		isKnownDiagnoseRegionStatus(data.OrderStatus) ||
		isKnownDiagnoseRegionStatus(data.LimitStatus)
}

func isKnownDiagnoseRegionStatus(value string) bool {
	value = strings.TrimSpace(value)
	return value == "0" || value == "1"
}

func cachedDiagnoseRegionModule(item *model.SimBaseRes[model.SimRegionLimitStatusItem]) (status string, message string) {
	if item == nil {
		return "error", "区域限制暂无有效缓存数据，请稍后重试"
	}
	if isDiagnoseRegionLimitCacheable(item) {
		return "success", ""
	}
	if item.Code == 5000 {
		return "error", "区域限制暂无有效缓存数据，请稍后重试"
	}
	return "error", normalizeDiagnoseCustomerMessage(item.Message)
}

func describeDiagnoseRegionCache(cachedAt string) (updatedAt string, hint string) {
	cachedAt = strings.TrimSpace(cachedAt)
	if cachedAt == "" {
		return "", ""
	}

	parsed, err := time.ParseInLocation("2006-01-02 15:04:05", cachedAt, time.Local)
	if err != nil {
		return cachedAt, ""
	}

	now := time.Now()
	updatedAt = parsed.Format("15:04")
	if sameDayTime(parsed, now) {
		updatedAt += fmt.Sprintf("（%s）", regionCacheAgoText(now.Sub(parsed)))
	} else {
		updatedAt = parsed.Format("01-02 15:04") + fmt.Sprintf("（%s）", regionCacheAgoText(now.Sub(parsed)))
	}

	nextCheckAt := parsed.Add(simDiagnoseRegionCacheTTL)
	if sameDayTime(parsed, nextCheckAt) {
		hint = nextCheckAt.Format("15:04") + "后可再次查看"
	} else {
		hint = nextCheckAt.Format("01-02 15:04") + "后可再次查看"
	}
	return updatedAt, hint
}

func regionCacheAgoText(d time.Duration) string {
	if d < time.Minute {
		return "刚刚"
	}
	if d < time.Hour {
		minutes := int(d.Minutes())
		if minutes <= 0 {
			minutes = 1
		}
		return fmt.Sprintf("%d分钟前", minutes)
	}
	hours := int(d.Hours())
	if hours < 24 {
		return fmt.Sprintf("%d小时前", hours)
	}
	return fmt.Sprintf("%d天前", hours/24)
}

func sameDayTime(left time.Time, right time.Time) bool {
	leftYear, leftMonth, leftDay := left.Date()
	rightYear, rightMonth, rightDay := right.Date()
	return leftYear == rightYear && leftMonth == rightMonth && leftDay == rightDay
}
func applyDiagnoseRegionLimit(res *model.TSimDiagnoseInfoOutput, item *model.SimBaseRes[model.SimRegionLimitStatusItem]) {
	if res == nil || res.Info == nil || item == nil {
		return
	}
	if !hasDiagnoseRegionLimitData(item) {
		return
	}
	if item.Code != 0 {
		return
	}

	data := item.ResData
	orderStatus := strings.TrimSpace(data.OrderStatus)
	if orderStatus == "1" {
		res.Info.RegionLimitStatus = emptyStringPtr("2")
		res.Info.RegionLimitOrderStatus = emptyStringPtr("1")
		res.Info.RegionLimitTriggerStatus = nil
		res.Info.RegionLimitType = nil
		res.Info.RegionLimitArea = nil
		return
	}
	if orderStatus == "0" {
		res.Info.RegionLimitOrderStatus = emptyStringPtr("0")
		switch strings.TrimSpace(data.LimitStatus) {
		case "0":
			res.Info.RegionLimitStatus = emptyStringPtr("1")
			res.Info.RegionLimitTriggerStatus = emptyStringPtr("0")
		case "1":
			res.Info.RegionLimitStatus = emptyStringPtr("0")
			res.Info.RegionLimitTriggerStatus = emptyStringPtr("1")
		case "-":
			res.Info.RegionLimitStatus = emptyStringPtr("2")
			res.Info.RegionLimitTriggerStatus = emptyStringPtr("-")
		default:
			res.Info.RegionLimitStatus = emptyStringPtr("2")
			res.Info.RegionLimitTriggerStatus = nil
		}
		switch strings.TrimSpace(data.LimitType) {
		case "1", "2", "3", "4":
			res.Info.RegionLimitType = emptyStringPtr(data.LimitType)
		default:
			res.Info.RegionLimitType = nil
		}
		res.Info.RegionLimitArea = emptyStringPtr(data.LimitArea)
		return
	}

	res.Info.RegionLimitStatus = mapRegionLimitStatus(data.RegionLimitStatus)
	res.Info.RegionLimitOrderStatus = emptyStringPtr(data.OrderStatus)
	res.Info.RegionLimitTriggerStatus = emptyStringPtr(data.LimitStatus)
	res.Info.RegionLimitType = emptyStringPtr(data.LimitType)
	res.Info.RegionLimitArea = emptyStringPtr(data.LimitArea)
}

func applyDiagnoseRateLimit(res *model.TSimDiagnoseInfoOutput, item *model.SimBaseRes[model.SimDataDiagnosisItem]) {
	if res == nil || res.Info == nil || item == nil {
		return
	}
	if item.Code == 5000 {
		res.Info.RateLimitStatus = nil
		res.Info.RateLimitReason = nil
		return
	}
	if item.Code != 0 {
		return
	}
	res.Info.RateLimitStatus = mapRateLimitStatus(item.ResData.RateLimitStatus)
	res.Info.RateLimitReason = emptyStringPtr(item.ResData.RateLimitReason)
	res.Info.RateLimitDetail = emptyStringPtr(item.ResData.RateLimitDetail)
	res.Info.RateLimitApnDetails = make([]model.TSimDiagnoseRateLimitApnItem, 0, len(item.ResData.ApnDetails))
	for _, apn := range item.ResData.ApnDetails {
		pccDetails := make([]model.TSimDiagnoseRateLimitPccItem, 0, len(apn.PccDetails))
		for _, pcc := range apn.PccDetails {
			pccDetails = append(pccDetails, model.TSimDiagnoseRateLimitPccItem{
				PccServiceCode:       pcc.PccServiceCode,
				PccName:              pcc.PccName,
				PccPolicyStatus:      pcc.PccPolicyStatus,
				PccServiceUsageState: pcc.PccServiceUsageState,
				ModifyTime:           pcc.ModifyTime,
			})
		}
		res.Info.RateLimitApnDetails = append(res.Info.RateLimitApnDetails, model.TSimDiagnoseRateLimitApnItem{
			ApnName:              apn.ApnName,
			ApnStatus:            apn.ApnStatus,
			ModifyTime:           apn.ModifyTime,
			OverUseDetails:       apn.OverUseDetails,
			ApnServiceUsageState: apn.ApnServiceUsageState,
			PccDetails:           pccDetails,
		})
	}
}

// timeStringPtr 格式化时间并返回字符串指针
func timeStringPtr(value *gtime.Time) *string {
	if value == nil || value.IsZero() {
		return nil
	}
	text := value.Format("Y-m-d H:i:s")
	return &text
}

// durationMonthsPtr 计算两个时间之间的月数
func durationMonthsPtr(begin, end *gtime.Time) *int {
	if begin == nil || begin.IsZero() || end == nil || end.IsZero() {
		return nil
	}
	beginTime := begin.Time
	endTime := end.Time
	months := (endTime.Year()-beginTime.Year())*12 + int(endTime.Month()-beginTime.Month())
	if endTime.Day() >= beginTime.Day()-1 {
		months++
	}
	if months < 0 {
		return nil
	}
	return &months
}

// mapOnlineStatus 映射在线状态
func diagnoseSessionStatus(status string) string {
	switch strings.ToUpper(strings.TrimSpace(status)) {
	case "0", "01", "ONLINE":
		return "0"
	case "-1", "00", "OFFLINE":
		return "-1"
	case "-2", "02", "2", "UNKNOWN":
		return "-2"
	default:
		return ""
	}
}

func mapOnlineStatus(status string) *string {
	switch diagnoseSessionStatus(status) {
	case "0":
		return emptyStringPtr("1")
	case "-1":
		return emptyStringPtr("0")
	case "-2":
		return emptyStringPtr("2")
	default:
		return nil
	}
}

// mapOperatingStatus 映射运营商终端开关机状态
func mapOperatingStatus(status string) *string {
	switch strings.TrimSpace(status) {
	case "0":
		value := "0"
		return &value
	case "1":
		value := "1"
		return &value
	default:
		return nil
	}
}

// mapDeviceStatus 映射设备状态
func mapDeviceStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	default:
		return nil
	}
	return &value
}

// mapImeiStatus 映射机卡状态
func mapImeiStatusByBindResult(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	case "2":
		value = "2"
	default:
		value = "2"
	}
	return &value
}

// mapRegionLimitStatus 映射地域限制状态
func mapRegionLimitStatus(status string) *string {
	switch strings.TrimSpace(status) {
	case "0":
		value := "0"
		return &value
	case "1":
		value := "1"
		return &value
	case "2":
		value := "2"
		return &value
	default:
		return nil
	}
}

// mapHumanLimitStatus 映射人联网限制状态
func mapHumanLimitStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "1":
		value = "0"
	case "0":
		value = "1"
	default:
		return nil
	}
	return &value
}

// mapRateLimitStatus 映射达量限速状态
func mapRateLimitStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	default:
		return nil
	}
	return &value
}

// mapPackageEffectiveStatus 映射套餐生效状态
func mapPackageEffectiveStatus(status int) *string {
	var value string
	switch status {
	case 1:
		value = "0"
	case 2:
		value = "1"
	case 3:
		value = "2"
	default:
		return nil
	}
	return &value
}

func (s *sIotTSimDiagnose) queryDailyFlow(ctx context.Context, iccid string, queryType string) (res *model.TSimDiagnoseFlowOutput, err error) {
	days := 7
	if queryType == "30d" {
		days = 30
	}

	now := time.Now()
	startTime := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -(days - 1))
	endTime := time.Date(now.Year(), now.Month(), now.Day(), 23, 59, 59, 0, now.Location())

	list, _, err := service.TrafficUsage().QueryDaily(ctx, model.TrafficUsageQueryInput{
		Iccid:     iccid,
		StartTime: startTime,
		EndTime:   endTime,
		Asc:       true,
	})
	if err != nil {
		return nil, gerror.Wrap(err, "查询SIM卡使用流量失败，请稍后重试！")
	}

	usageMap := make(map[string]float64, len(list))
	for _, item := range list {
		usageMap[item.Ts.Format("2006-01-02")] = item.UsageMb
	}

	res = &model.TSimDiagnoseFlowOutput{
		Times:         make([]string, 0, days),
		Flow:          make([]float64, 0, days),
		FlowAvailable: make([]bool, 0, days),
		Unit:          "MB",
	}
	for i := 0; i < days; i++ {
		current := startTime.AddDate(0, 0, i)
		key := current.Format("2006-01-02")
		res.Times = append(res.Times, current.Format("01-02"))
		usage, ok := usageMap[key]
		res.Flow = append(res.Flow, usage)
		res.FlowAvailable = append(res.FlowAvailable, ok)
	}
	return res, nil
}

func (s *sIotTSimDiagnose) queryMonthlyFlow(ctx context.Context, iccid string) (res *model.TSimDiagnoseFlowOutput, err error) {
	now := time.Now()
	currentMonth := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
	startMonth := currentMonth.AddDate(0, -5, 0)
	endTime := time.Date(now.Year(), now.Month()+1, 0, 23, 59, 59, 0, now.Location())

	list, _, err := service.TrafficUsage().QueryMonthly(ctx, model.TrafficUsageQueryInput{
		Iccid:     iccid,
		StartTime: startMonth,
		EndTime:   endTime,
		Asc:       true,
	})
	if err != nil {
		return nil, gerror.Wrap(err, "查询SIM卡使用流量失败，请稍后重试！")
	}

	sort.Slice(list, func(i, j int) bool {
		return list[i].Ts.Before(list[j].Ts)
	})

	usageMap := make(map[string]float64, len(list))
	for _, item := range list {
		usageMap[item.Ts.Format("2006-01")] = item.UsageMb
	}

	res = &model.TSimDiagnoseFlowOutput{
		Times:         make([]string, 0, 6),
		Flow:          make([]float64, 0, 6),
		FlowAvailable: make([]bool, 0, 6),
		Unit:          "MB",
	}
	for i := 0; i < 6; i++ {
		current := startMonth.AddDate(0, i, 0)
		key := current.Format("2006-01")
		res.Times = append(res.Times, key)
		usage, ok := usageMap[key]
		res.Flow = append(res.Flow, usage)
		res.FlowAvailable = append(res.FlowAvailable, ok)
	}
	return res, nil
}