package app

import (
	"context"
	"encoding/json"
	"fmt"
	"strconv"
	"strings"
	"sync"
	"time"

	"git.5iot.com/iotlcm-public/iotlcm-app/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model/entity"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/service"
	"git.5iot.com/iotlcm-public/iotlcm-app/utility"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
)

type sAppDiagnosis struct{}

const (
	appDiagnosisRegionCacheTTL = time.Hour
	appOpenDiagnosisRateWindow = time.Minute
	appOpenDiagnosisRateLimit  = 20
)

type appDiagnosisUpdateFunc func(func())
type appDiagnosisSetModuleFunc func(key string, status string, message string, cached bool, updatedAt string)

type appDiagnosisRegionCachePayload struct {
	Item     appUpstreamSimQueryItem `json:"item"`
	CachedAt string                  `json:"cachedAt"`
}

func NewAppDiagnosis() *sAppDiagnosis {
	return &sAppDiagnosis{}
}

func init() {
	service.RegisterAppDiagnosis(NewAppDiagnosis())
}

// Info 查询登录用户权限范围内的SIM卡诊断信息。
func (s *sAppDiagnosis) Info(ctx context.Context, param *model.AppDiagnosisInfoParam) (res *model.AppDiagnosisInfoModel, err error) {
	if param == nil {
		param = &model.AppDiagnosisInfoParam{}
	}
	if err = appEnsureFeatureAccess(ctx, "card:diagnosis"); err != nil {
		return nil, err
	}
	_, cardLogic, row, err := s.resolveDiagnosisCard(ctx, param.QueryCode)
	if err != nil {
		return nil, err
	}
	return s.buildDiagnosisInfo(ctx, row, cardLogic.publicCardRowToModel(ctx, row, param.QueryCode))
}

func (s *sAppDiagnosis) OpenInfo(ctx context.Context, param *model.AppOpenDiagnosisInfoParam) (res *model.AppDiagnosisInfoModel, err error) {
	if param == nil {
		param = &model.AppOpenDiagnosisInfoParam{}
	}
	if err = appEnsureOpenDiagnosisRateLimit(ctx); err != nil {
		return nil, err
	}
	appAuditOpenDiagnosis(ctx, "info", param.QueryCode, "")
	cardLogic, row, err := s.resolveOpenDiagnosisCard(ctx, param.TenantId, param.QueryCode)
	if err != nil {
		return nil, err
	}
	res, err = s.buildDiagnosisInfo(ctx, row, cardLogic.publicCardRowToModel(ctx, row, param.QueryCode))
	if err != nil {
		return nil, err
	}
	return sanitizeOpenDiagnosisInfo(res), nil
}

func (s *sAppDiagnosis) buildDiagnosisInfo(ctx context.Context, row *appCardQueryRow, cardModel *model.AppCardModel) (res *model.AppDiagnosisInfoModel, err error) {
	if row == nil {
		return nil, gerror.New("卡片信息为空，不能诊断")
	}
	simKey, err := s.prepareDiagnosisSimKey(ctx, row)
	if err != nil {
		return nil, err
	}
	if cardModel != nil {
		if strings.TrimSpace(row.Iccid) != "" {
			cardModel.Iccid = strings.TrimSpace(row.Iccid)
		}
		if strings.TrimSpace(row.Imsi) != "" {
			cardModel.Imsi = strings.TrimSpace(row.Imsi)
		}
		if strings.TrimSpace(row.Msisdn) != "" {
			cardModel.Msisdn = strings.TrimSpace(row.Msisdn)
		}
	}
	totalFlow := row.PackageTotalFlowMb
	usedFlow := row.UsedFlowMb
	remainFlow := totalFlow - usedFlow
	if remainFlow < 0 {
		remainFlow = 0
	}
	packageType := fmt.Sprintf("%d", appCardPackageType(row))
	hasLocalCard := row.Id > 0
	var status *string
	var dataStatus *string
	var packageTotalFlowMb *float64
	var infoUsedFlowMb *float64
	var infoRemainFlowMb *float64
	if hasLocalCard {
		statusValue := fmt.Sprintf("%d", row.BossCardStatus)
		dataStatusValue := fmt.Sprintf("%d", row.DataServiceStatus)
		status = &statusValue
		dataStatus = &dataStatusValue
		packageTotalFlowMb = &totalFlow
		infoUsedFlowMb = &usedFlow
		infoRemainFlowMb = &remainFlow
	}

	var packageInfo *model.AppDiagnosisPackageItem
	if hasLocalCard {
		packageInfo = &model.AppDiagnosisPackageItem{
			PackageName:        appDiagnosisStringPtr(appCardPackageName(row)),
			PackageType:        appDiagnosisStringPtr(packageType),
			EffectiveStatus:    appDiagnosisPackageEffectiveStatus(row.PackageStatus),
			PackageTotalFlowMb: &totalFlow,
			UsedFlowMb:         &usedFlow,
			RemainFlowMb:       &remainFlow,
			DurationMonths:     appDiagnosisDurationMonths(row.FlowPkgBeginAt, row.FlowPkgEndAt),
			ExpectedExpireTime: appDiagnosisTimeString(row.FlowPkgEndAt),
		}
	}

	res = &model.AppDiagnosisInfoModel{
		Info: &model.AppDiagnosisInfoItem{
			Iccid:              appDiagnosisStringPtr(row.Iccid),
			Imsi:               appDiagnosisStringPtr(row.Imsi),
			Msisdn:             appDiagnosisStringPtr(row.Msisdn),
			Status:             status,
			DataStatus:         dataStatus,
			PackageTotalFlowMb: packageTotalFlowMb,
			UsedFlowMb:         infoUsedFlowMb,
			RemainFlowMb:       infoRemainFlowMb,
		},
		Session: &model.AppDiagnosisSessionItem{},
		Package: packageInfo,
		Modules: make(map[string]*model.AppDiagnosisModuleItem),
		Card:    cardModel,
	}
	appSetDiagnosisModule(res, "card", "success", "", false, "")
	if hasLocalCard {
		appSetDiagnosisModule(res, "package", "success", "", false, "")
	} else {
		appSetDiagnosisModule(res, "package", "skipped", "本地卡表暂无套餐信息", false, "")
	}

	if appDiagnosisIsMobileChannel(row.TempKey, row.ChanKey) {
		res.Info.HumanLimitStatus = appDiagnosisStringPtr("3")
	}

	var mu sync.Mutex
	updateDiagnosis := func(fn func()) {
		mu.Lock()
		defer mu.Unlock()
		fn()
	}
	setModule := func(key string, status string, message string, cached bool, updatedAt string) {
		updateDiagnosis(func() {
			appSetDiagnosisModule(res, key, status, message, cached, updatedAt)
		})
	}
	runDiagnose := func(wg *sync.WaitGroup, fn func()) {
		wg.Add(1)
		go func() {
			defer wg.Done()
			fn()
		}()
	}

	var wg sync.WaitGroup
	runDiagnose(&wg, func() { s.attachUpstreamBasicInfo(ctx, simKey, row, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamCardStatus(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamSession(ctx, simKey, row, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamDeviceStatus(ctx, simKey, row, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamBindStatus(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamRegionLimitStatus(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamRateLimitStatus(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamStopReason(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamFrozenState(ctx, simKey, res, updateDiagnosis, setModule) })
	runDiagnose(&wg, func() { s.attachUpstreamCurrentFlowUsage(ctx, simKey, res, updateDiagnosis, setModule) })
	wg.Wait()
	return res, nil
}

// Flow 查询SIM卡使用流量。小程序诊断完全开放，不校验登录用户和卡片归属。
func (s *sAppDiagnosis) Flow(ctx context.Context, param *model.AppDiagnosisFlowParam) (res *model.AppDiagnosisFlowModel, err error) {
	if param == nil {
		param = &model.AppDiagnosisFlowParam{}
	}
	return s.OpenFlow(ctx, &model.AppOpenDiagnosisFlowParam{
		QueryCode: param.QueryCode,
		QueryType: param.QueryType,
	})
}

func (s *sAppDiagnosis) OpenFlow(ctx context.Context, param *model.AppOpenDiagnosisFlowParam) (res *model.AppDiagnosisFlowModel, err error) {
	if param == nil {
		param = &model.AppOpenDiagnosisFlowParam{}
	}
	if err = appEnsureOpenDiagnosisRateLimit(ctx); err != nil {
		return nil, err
	}
	appAuditOpenDiagnosis(ctx, "flow", param.QueryCode, param.QueryType)
	_, row, err := s.resolveOpenDiagnosisCard(ctx, param.TenantId, param.QueryCode)
	if err != nil {
		return nil, err
	}
	return s.queryDiagnosisFlowByCard(ctx, row, param.QueryType)
}

func appEnsureOpenDiagnosisRateLimit(ctx context.Context) error {
	clientIp := strings.TrimSpace(utility.GetClientIp(ctx))
	if clientIp == "" {
		clientIp = "unknown"
	}
	key := fmt.Sprintf("iotlcm:app:open-diagnosis:rate:%s", appDiagnosisSafeCachePart(clientIp))
	value, err := g.Redis().Do(ctx, "INCR", key)
	if err != nil {
		g.Log().Warningf(ctx, "open diagnosis rate limit unavailable, key:%s, err:%+v", key, err)
		return nil
	}
	count := value.Int()
	if count == 1 {
		if _, err = g.Redis().Do(ctx, "EXPIRE", key, int(appOpenDiagnosisRateWindow.Seconds())); err != nil {
			g.Log().Warningf(ctx, "open diagnosis rate limit expiry failed, key:%s, err:%+v", key, err)
		}
	}
	if count > appOpenDiagnosisRateLimit {
		return gerror.New("公开诊断请求过于频繁，请稍后再试")
	}
	return nil
}

func appAuditOpenDiagnosis(ctx context.Context, kind string, queryCode string, queryType string) {
	g.Log().Infof(ctx, "open diagnosis query, kind:%s, queryType:%s, query:%s, clientIp:%s", kind, queryType, appDiagnosisMaskIdentifier(queryCode), utility.GetClientIp(ctx))
}

func appDiagnosisMaskIdentifier(value string) string {
	value = strings.TrimSpace(value)
	if value == "" {
		return ""
	}
	if len(value) <= 4 {
		return "****"
	}
	if len(value) <= 8 {
		return value[:2] + "****" + value[len(value)-2:]
	}
	return value[:4] + "****" + value[len(value)-4:]
}

func sanitizeOpenDiagnosisInfo(res *model.AppDiagnosisInfoModel) *model.AppDiagnosisInfoModel {
	if res == nil {
		return nil
	}
	if res.Info != nil {
		res.Info.Iccid = appDiagnosisMaskedStringPtr(res.Info.Iccid)
		res.Info.Imsi = nil
		res.Info.Msisdn = appDiagnosisMaskedStringPtr(res.Info.Msisdn)
		res.Info.RateLimitApnDetails = nil
	}
	if res.Session != nil {
		res.Session.ApnId = nil
		res.Session.Imei = nil
		res.Session.Ipv4 = nil
		res.Session.Ipv6 = nil
		res.Session.Ipv6Prefix = nil
	}
	if res.Card != nil {
		res.Card.Iccid = appDiagnosisMaskIdentifier(res.Card.Iccid)
		res.Card.Msisdn = appDiagnosisMaskIdentifier(res.Card.Msisdn)
		res.Card.Imsi = ""
		res.Card.Imei = ""
		res.Card.ApnName = ""
		res.Card.ApnId = ""
		res.Card.Ipv4 = ""
		res.Card.Ipv6 = ""
		res.Card.Ipv6Prefix = ""
		res.Card.Remark = ""
	}
	return res
}

func appDiagnosisMaskedStringPtr(value *string) *string {
	if value == nil {
		return nil
	}
	return appDiagnosisStringPtr(appDiagnosisMaskIdentifier(*value))
}

func (s *sAppDiagnosis) queryDiagnosisFlowByCard(ctx context.Context, row *appCardQueryRow, queryType string) (*model.AppDiagnosisFlowModel, error) {
	switch strings.TrimSpace(queryType) {
	case "7d":
		return s.queryDiagnosisDailyFlow(ctx, row.Iccid, 7)
	case "30d":
		return s.queryDiagnosisDailyFlow(ctx, row.Iccid, 30)
	case "3M":
		return s.queryDiagnosisMonthlyFlow(ctx, row.Iccid, 3)
	case "6M":
		return s.queryDiagnosisMonthlyFlow(ctx, row.Iccid, 6)
	default:
		return nil, gerror.New("查询类型只能为7d、30d、3M或6M")
	}
}

func (s *sAppDiagnosis) resolveDiagnosisCard(ctx context.Context, queryCode string) (*entity.SysUser, *sAppCard, *appCardQueryRow, error) {
	queryCode = strings.TrimSpace(queryCode)
	if queryCode == "" {
		return nil, nil, nil, gerror.New("请输入ICCID、MSISDN、IMSI或卡号")
	}
	user, err := appCurrentUser(ctx)
	if err != nil {
		return nil, nil, nil, err
	}
	cardLogic := NewAppCard()
	row, err := cardLogic.findDiagnosisCard(ctx, user, queryCode)
	if err != nil {
		return nil, nil, nil, gerror.Wrap(err, "查询诊断卡片失败")
	}
	if row == nil || row.Id == 0 {
		openRow, openErr := cardLogic.findOpenCard(ctx, "", queryCode)
		if openErr != nil {
			return nil, nil, nil, gerror.Wrap(openErr, "查询诊断卡片失败")
		}
		if openRow != nil && openRow.Id > 0 {
			return nil, nil, nil, gerror.New("卡片不存在")
		}
		row, err = s.resolveAssocOnlyDiagnosisCard(ctx, cardLogic, user.TenantId, queryCode, "查询诊断卡片")
		if err != nil {
			return nil, nil, nil, err
		}
	}
	if row == nil {
		return nil, nil, nil, gerror.New("卡片不存在")
	}
	if err = s.resolveDiagnosisCardChannel(ctx, cardLogic, row, queryCode, "查询诊断卡片"); err != nil {
		return nil, nil, nil, err
	}
	return user, cardLogic, row, nil
}

func (s *sAppDiagnosis) resolveOpenDiagnosisCard(ctx context.Context, tenantId string, queryCode string) (*sAppCard, *appCardQueryRow, error) {
	queryCode = strings.TrimSpace(queryCode)
	if queryCode == "" {
		return nil, nil, gerror.New("请输入ICCID、MSISDN、IMSI或卡号")
	}
	cardLogic := NewAppCard()
	tenantId = strings.TrimSpace(tenantId)
	row, err := cardLogic.findOpenCard(ctx, tenantId, queryCode)
	if err != nil {
		return nil, nil, gerror.Wrap(err, "查询公开诊断卡片失败")
	}
	if row == nil || row.Id == 0 {
		row, err = s.resolveAssocOnlyDiagnosisCard(ctx, cardLogic, tenantId, queryCode, "查询公开诊断卡片")
		if err != nil {
			return nil, nil, err
		}
	}
	if row == nil {
		return nil, nil, gerror.New("卡片不存在")
	}
	if err = s.resolveDiagnosisCardChannel(ctx, cardLogic, row, queryCode, "查询公开诊断卡片"); err != nil {
		return nil, nil, err
	}
	return cardLogic, row, nil
}

func (s *sAppDiagnosis) resolveAssocOnlyDiagnosisCard(ctx context.Context, cardLogic *sAppCard, tenantId string, queryCode string, operation string) (*appCardQueryRow, error) {
	if cardLogic == nil {
		return nil, nil
	}
	queryCode = strings.TrimSpace(queryCode)
	if queryCode == "" {
		return nil, nil
	}
	info, err := cardLogic.findAssocCardChannelInfo(ctx, tenantId, queryCode)
	if err != nil {
		return nil, gerror.Wrap(err, operation+"失败")
	}
	if info == nil || strings.TrimSpace(info.ChanKey) == "" {
		return nil, nil
	}
	return &appCardQueryRow{
		TSimCardInfo: entity.TSimCardInfo{
			TenantId: tenantId,
			Iccid:    queryCode,
			ChanKey:  info.ChanKey,
		},
		ChanName:  info.ChanName,
		ChanAlias: info.ChanAlias,
		TempKey:   info.TempKey,
	}, nil
}

func (s *sAppDiagnosis) resolveDiagnosisCardChannel(ctx context.Context, cardLogic *sAppCard, row *appCardQueryRow, queryCode string, operation string) error {
	if cardLogic == nil || row == nil {
		return nil
	}
	applyInfo := func(info *appCardChannelInfo) bool {
		if info == nil || strings.TrimSpace(info.ChanKey) == "" {
			return false
		}
		row.ChanKey = info.ChanKey
		row.ChanName = info.ChanName
		row.ChanAlias = info.ChanAlias
		row.TempKey = info.TempKey
		return true
	}
	var assocErr error
	for _, value := range []string{queryCode, row.Iccid} {
		value = strings.TrimSpace(value)
		if value == "" {
			continue
		}
		info, err := cardLogic.findAssocCardChannelInfo(ctx, row.TenantId, value)
		if err != nil {
			g.Log().Warningf(ctx, "app diagnosis resolve assoc channel failed, value:%s, err:%+v", appDiagnosisMaskIdentifier(value), err)
			if assocErr == nil {
				assocErr = err
			}
			continue
		}
		if applyInfo(info) {
			return nil
		}
	}
	if strings.TrimSpace(row.ChanKey) != "" {
		return nil
	}
	if assocErr != nil {
		return gerror.Wrap(assocErr, operation+"失败")
	}
	return cardLogic.attachDiagnosisCardChannelInfo(ctx, row)
}

func (s *sAppDiagnosis) prepareDiagnosisSimKey(ctx context.Context, row *appCardQueryRow) (*appUpstreamSimKey, error) {
	simKey, err := appUpstreamSimKeyFromRow(row)
	if err != nil {
		return nil, err
	}
	if strings.TrimSpace(simKey.MSISDN) != "" && strings.TrimSpace(simKey.IMSI) != "" {
		return simKey, nil
	}
	threeCodes, err := s.resolveDiagnosisThreeCodes(ctx, simKey)
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis resolve three codes failed, iccid:%s, chanKey:%s, err:%+v", simKey.ICCID, simKey.ChanKey, err)
		return simKey, nil
	}
	if threeCodes == nil {
		return simKey, nil
	}
	if value := strings.TrimSpace(threeCodes.ICCID); value != "" {
		simKey.ICCID = value
		row.Iccid = value
	}
	if value := strings.TrimSpace(threeCodes.IMSI); value != "" {
		simKey.IMSI = value
		row.Imsi = value
	}
	if value := strings.TrimSpace(threeCodes.MSISDN); value != "" {
		simKey.MSISDN = value
		row.Msisdn = value
	}
	return simKey, nil
}

func (s *sAppDiagnosis) resolveDiagnosisThreeCodes(ctx context.Context, simKey *appUpstreamSimKey) (*appUpstreamSimKey, error) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-basic-info", map[string]any{})
	if err != nil {
		return nil, err
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil || item.Code == 5000 || appDiagnosisIsUnsupportedMessage(item.Message) {
		return nil, nil
	}
	if item.Code != 0 {
		return nil, gerror.New(appDiagnosisModuleMessage(item, "上游基础信息查询失败"))
	}
	threeCodes := &appUpstreamSimKey{ChanKey: strings.TrimSpace(simKey.ChanKey)}
	if item.SimKey != nil {
		threeCodes.ICCID = strings.TrimSpace(item.SimKey.ICCID)
		threeCodes.IMSI = strings.TrimSpace(item.SimKey.IMSI)
		threeCodes.MSISDN = strings.TrimSpace(item.SimKey.MSISDN)
	}
	if value := appDiagnosisRawString(item.ResData, "iccid", "ICCID"); value != "" {
		threeCodes.ICCID = value
	}
	if value := appDiagnosisRawString(item.ResData, "imsi", "IMSI"); value != "" {
		threeCodes.IMSI = value
	}
	if value := appDiagnosisRawString(item.ResData, "msisdn", "MSISDN"); value != "" {
		threeCodes.MSISDN = value
	}
	if threeCodes.ICCID == "" && threeCodes.IMSI == "" && threeCodes.MSISDN == "" {
		return nil, nil
	}
	return threeCodes, nil
}

func (s *sAppDiagnosis) attachUpstreamBasicInfo(ctx context.Context, simKey *appUpstreamSimKey, row *appCardQueryRow, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-basic-info", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim basic info failed, iccid:%s, err:%+v", row.Iccid, err)
		setModule("basicInfo", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("basicInfo", "skipped", "上游基础信息未返回有效结果", false, "")
		return
	}
	if item.Code != 0 {
		if item.Code == 5000 {
			setModule("basicInfo", "skipped", appDiagnosisModuleMessage(item, "上游基础信息暂不支持"), false, "")
		} else {
			status, message := appDiagnosisUpstreamFailure("上游基础信息查询失败", item.Code, item.Message)
			setModule("basicInfo", status, message, false, "")
		}
		return
	}
	update(func() {
		if value := appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "iccid", "ICCID")); value != nil {
			res.Info.Iccid = value
		}
		if value := appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "imsi", "IMSI")); value != nil {
			res.Info.Imsi = value
		}
		if value := appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "msisdn", "MSISDN")); value != nil {
			res.Info.Msisdn = value
		}
		if status := appDiagnosisCardStatus(appDiagnosisRawString(item.ResData, "simStatus", "sim_status", "cardStatus", "card_status", "status")); status != nil {
			res.Info.Status = status
		}
		if res.Info.RegionLimitType == nil {
			res.Info.RegionLimitType = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "areaLimitType", "area_limit_type"))
		}
		if res.Info.RegionLimitArea == nil {
			res.Info.RegionLimitArea = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "areaLimitInfo", "area_limit_info"))
		}
		rawHumanLimitStatus := appDiagnosisRawString(item.ResData, "isHumanLimit", "is_human_limit")
		if rawHumanLimitStatus != "" {
			humanLimitStatus := appDiagnosisHumanLimitStatus(rawHumanLimitStatus)
			if humanLimitStatus != nil && *humanLimitStatus != "3" {
				res.Info.HumanLimitStatus = humanLimitStatus
			}
		}
	})
	setModule("basicInfo", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamCardStatus(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-status", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim card status failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("cardStatus", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("cardStatus", "skipped", "上游卡状态未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		setModule("cardStatus", "skipped", appDiagnosisModuleMessage(item, "上游卡状态暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游卡状态查询失败", item.Code, item.Message)
		setModule("cardStatus", status, message, false, "")
		return
	}
	status := appDiagnosisCardStatus(appDiagnosisRawString(item.ResData, "cardStatus", "card_status", "simStatus", "sim_status", "status"))
	if status == nil {
		setModule("cardStatus", "skipped", "上游卡状态未返回有效结果", false, "")
		return
	}
	update(func() {
		res.Info.Status = status
		if res.Card != nil {
			if value, err := strconv.Atoi(*status); err == nil {
				res.Card.BossCardStatus = value
			}
		}
	})
	setModule("cardStatus", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamSession(ctx context.Context, simKey *appUpstreamSimKey, row *appCardQueryRow, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	session, source, err := queryAppCardRealtimeSessionWithKey(ctx, row, simKey)
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim session failed, iccid:%s, err:%+v", row.Iccid, err)
		setModule("session", "error", err.Error(), false, "")
		return
	}
	if source == "onelink_mock" {
		g.Log().Debugf(ctx, "app diagnosis sim session loaded from onelink mock, iccid:%s", row.Iccid)
	}
	if session == nil || session.isZero() {
		setModule("session", "skipped", "上游会话信息未返回有效结果", false, "")
		return
	}
	update(func() {
		sessionStatus := appDiagnosisSessionStatus(session.Status)
		res.Info.OnlineStatus = appDiagnosisOnlineStatus(sessionStatus)
		res.Session.ApnId = appDiagnosisStringPtr(session.ApnId)
		res.Session.Rat = appDiagnosisStringPtr(session.Rat)
		res.Session.Imei = appDiagnosisStringPtr(session.Imei)
		res.Session.CreateTime = appDiagnosisStringPtr(session.CreateTime)
		res.Session.Ipv4 = appDiagnosisStringPtr(session.Ipv4)
		res.Session.Ipv6 = appDiagnosisStringPtr(session.Ipv6)
		res.Session.Ipv6Prefix = appDiagnosisStringPtr(session.Ipv6Prefix)
		res.Session.Status = appDiagnosisStringPtr(sessionStatus)
	})
	message := ""
	if source == "onelink_mock" {
		message = "已使用OneLink挡板会话结果"
	}
	setModule("session", "success", message, false, "")
}

func (s *sAppDiagnosis) attachUpstreamDeviceStatus(ctx context.Context, simKey *appUpstreamSimKey, row *appCardQueryRow, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-device-status", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim device status failed, iccid:%s, err:%+v", row.Iccid, err)
		setModule("device", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("device", "skipped", "上游设备状态未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		update(func() {
			res.Info.DeviceStatus = nil
		})
		setModule("device", "skipped", appDiagnosisModuleMessage(item, "上游设备状态暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游设备状态查询失败", item.Code, item.Message)
		setModule("device", status, message, false, "")
		return
	}
	update(func() {
		res.Info.DeviceStatus = appDiagnosisDeviceStatus(appDiagnosisRawString(item.ResData, "deviceStatus", "device_status"))
		res.Info.OperatingStatus = appDiagnosisOperatingStatus(appDiagnosisRawString(item.ResData, "operatingStatus", "operating_status"))
	})
	setModule("device", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamBindStatus(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-card-bind-status", map[string]any{"testType": 0})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim bind status failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("cardBind", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("cardBind", "skipped", "上游机卡绑定状态未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		update(func() {
			res.Info.ImeiStatus = nil
		})
		setModule("cardBind", "skipped", appDiagnosisModuleMessage(item, "上游机卡绑定状态暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游机卡绑定状态查询失败", item.Code, item.Message)
		setModule("cardBind", status, message, false, "")
		return
	}
	bindStatus := appDiagnosisBindStatus(
		appDiagnosisRawString(item.ResData, "bindStatus", "bind_status", "cardBindStatus"),
		appDiagnosisRawString(item.ResData, "cardBindingType", "card_binding_type"),
	)
	update(func() {
		res.Info.ImeiStatus = appDiagnosisImeiStatus(bindStatus)
	})
	setModule("cardBind", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamRegionLimitStatus(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	if cachedRegion, cachedAt, ok := appGetCachedDiagnosisRegionLimit(ctx, simKey); ok {
		update(func() {
			appDiagnosisApplyRegionLimit(res, cachedRegion)
		})
		status, message := appCachedDiagnosisRegionModule(cachedRegion)
		setModule("region", status, message, true, cachedAt)
		return
	}

	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-region-limit-status", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim region limit status failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("region", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("region", "skipped", "上游区域限制未返回有效结果", false, "")
		return
	}
	update(func() {
		appDiagnosisApplyRegionLimit(res, item)
	})
	appSetCachedDiagnosisRegionLimit(ctx, simKey, *item)
	if appDiagnosisRegionLimitHasData(item) {
		message := ""
		if item.Code != 0 {
			message = appDiagnosisModuleMessage(item, "区域限制查询已返回有效结果")
		}
		setModule("region", "success", message, false, "")
		return
	}
	if item.Code == 5000 {
		setModule("region", "skipped", appDiagnosisModuleMessage(item, "上游区域限制暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游区域限制查询失败", item.Code, item.Message)
		setModule("region", status, message, false, "")
		return
	}
	setModule("region", "error", "上游区域限制未返回有效数据", false, "")
}

func (s *sAppDiagnosis) attachUpstreamRateLimitStatus(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-data-diagnosis", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim data diagnosis failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("rateLimit", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("rateLimit", "skipped", "上游达量限速未返回有效结果", false, "")
		return
	}
	update(func() {
		appDiagnosisApplyRateLimit(res, item)
	})
	if item.Code == 5000 {
		setModule("rateLimit", "skipped", appDiagnosisModuleMessage(item, "上游达量限速暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游达量限速查询失败", item.Code, item.Message)
		setModule("rateLimit", status, message, false, "")
		return
	}
	setModule("rateLimit", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamStopReason(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-stop-reason", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim stop reason failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("stopReason", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("stopReason", "skipped", "上游停机原因未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		setModule("stopReason", "skipped", appDiagnosisModuleMessage(item, "上游停机原因暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游停机原因查询失败", item.Code, item.Message)
		setModule("stopReason", status, message, false, "")
		return
	}
	update(func() {
		res.Info.StopReason = appDiagnosisStringPtr(appDiagnosisNormalizeStopReason(appDiagnosisRawString(item.ResData, "stopReason", "stop_reason")))
	})
	setModule("stopReason", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamFrozenState(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-frozen-state", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query sim frozen state failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("frozen", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("frozen", "skipped", "上游冻结状态未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		setModule("frozen", "skipped", appDiagnosisModuleMessage(item, "上游冻结状态暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游冻结状态查询失败", item.Code, item.Message)
		setModule("frozen", status, message, false, "")
		return
	}
	update(func() {
		res.Info.FrozenStatus = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "frozenStatus", "frozen_status"))
		res.Info.FrozenReason = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "frozenReason", "frozen_reason"))
		res.Info.FrozenOperTime = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "operTime", "oper_time"))
	})
	setModule("frozen", "success", "", false, "")
}

func (s *sAppDiagnosis) attachUpstreamCurrentFlowUsage(ctx context.Context, simKey *appUpstreamSimKey, res *model.AppDiagnosisInfoModel, update appDiagnosisUpdateFunc, setModule appDiagnosisSetModuleFunc) {
	items, err := queryAppUpstreamSimWithKey(ctx, simKey, "/sim/query/sim-datausage", map[string]any{})
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis query current flow usage failed, iccid:%s, err:%+v", simKey.ICCID, err)
		setModule("flowUsage", "error", err.Error(), false, "")
		return
	}
	item := appDiagnosisFirstAvailableItem(items)
	if item == nil {
		setModule("flowUsage", "skipped", "上游实时流量未返回有效结果", false, "")
		return
	}
	if item.Code == 5000 {
		setModule("flowUsage", "skipped", appDiagnosisModuleMessage(item, "上游实时流量暂不支持"), false, "")
		return
	}
	if item.Code != 0 {
		status, message := appDiagnosisUpstreamFailure("上游实时流量查询失败", item.Code, item.Message)
		setModule("flowUsage", status, message, false, "")
		return
	}
	usedFlow, ok := appDiagnosisRawFloat(item.ResData, "dataUsage", "data_usage")
	if !ok {
		setModule("flowUsage", "skipped", "上游实时流量未返回有效结果", false, "")
		return
	}
	if usedFlow < 0 {
		usedFlow = 0
	}
	update(func() {
		now := gtime.Now()
		nowText := now.Format("Y-m-d H:i:s")
		totalFlow := float64(0)
		if res.Package != nil && res.Package.PackageTotalFlowMb != nil {
			totalFlow = *res.Package.PackageTotalFlowMb
		}
		remainFlow := totalFlow - usedFlow
		if remainFlow < 0 {
			remainFlow = 0
		}
		if res.Package != nil {
			res.Package.UsedFlowMb = &usedFlow
			if totalFlow > 0 {
				res.Package.RemainFlowMb = &remainFlow
			} else {
				res.Package.RemainFlowMb = nil
			}
		}
		if res.Info != nil {
			res.Info.UsedFlowMb = &usedFlow
			if totalFlow > 0 {
				res.Info.RemainFlowMb = &remainFlow
			} else {
				res.Info.RemainFlowMb = nil
			}
			res.Info.FlowSyncTime = &nowText
		}
		if res.Card != nil {
			res.Card.UsedFlowMb = usedFlow
			res.Card.RemainFlowMb = remainFlow
			if totalFlow > 0 {
				res.Card.UsedFlowPercent = usedFlow / totalFlow * 100
			} else {
				res.Card.UsedFlowPercent = 0
			}
			res.Card.FlowSyncTime = now
		}
	})
	setModule("flowUsage", "success", "", false, "")
}

func appSetDiagnosisModule(res *model.AppDiagnosisInfoModel, key string, status string, message string, cached bool, updatedAt string) {
	if res == nil {
		return
	}
	if res.Modules == nil {
		res.Modules = make(map[string]*model.AppDiagnosisModuleItem)
	}
	message = appDiagnosisNormalizeCustomerMessage(message)
	res.Modules[key] = &model.AppDiagnosisModuleItem{
		Status:    strings.TrimSpace(status),
		Message:   strings.TrimSpace(message),
		Cached:    cached,
		UpdatedAt: updatedAt,
	}
}

func appDiagnosisModuleMessage(item *appUpstreamSimQueryItem, fallback string) string {
	if item == nil || strings.TrimSpace(item.Message) == "" {
		return fallback
	}
	return strings.TrimSpace(item.Message)
}

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

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

func appGetCachedDiagnosisRegionLimit(ctx context.Context, simKey *appUpstreamSimKey) (*appUpstreamSimQueryItem, string, bool) {
	cacheKey := appDiagnosisRegionCacheKey(simKey)
	value, err := g.Redis().Get(ctx, cacheKey)
	if err != nil || value == nil || strings.TrimSpace(value.String()) == "" {
		return nil, "", false
	}
	var payload appDiagnosisRegionCachePayload
	if err = json.Unmarshal([]byte(value.String()), &payload); err != nil {
		g.Log().Warningf(ctx, "app diagnosis unmarshal region cache failed, key:%s, err:%+v", cacheKey, err)
		return nil, "", false
	}
	return &payload.Item, payload.CachedAt, true
}

func appSetCachedDiagnosisRegionLimit(ctx context.Context, simKey *appUpstreamSimKey, item appUpstreamSimQueryItem) {
	payload := appDiagnosisRegionCachePayload{
		Item:     item,
		CachedAt: gtime.Now().Format("Y-m-d H:i:s"),
	}
	raw, err := json.Marshal(payload)
	if err != nil {
		g.Log().Warningf(ctx, "app diagnosis marshal region cache failed, iccid:%s, err:%+v", appDiagnosisSimKeyLogIccid(simKey), err)
		return
	}
	if _, err = g.Redis().Do(ctx, "SETEX", appDiagnosisRegionCacheKey(simKey), int(appDiagnosisRegionCacheTTL.Seconds()), string(raw)); err != nil {
		g.Log().Warningf(ctx, "app diagnosis set region cache failed, iccid:%s, err:%+v", appDiagnosisSimKeyLogIccid(simKey), err)
	}
}

func appCachedDiagnosisRegionModule(item *appUpstreamSimQueryItem) (status string, message string) {
	if item == nil {
		return "error", "区域限制结果来自缓存，但缓存内容为空"
	}
	message = strings.TrimSpace(item.Message)
	if message == "" {
		message = "区域限制结果来自缓存"
	} else {
		message = "区域限制结果来自缓存：" + message
	}
	if appDiagnosisRegionLimitHasData(item) {
		return "cached", message
	}
	switch item.Code {
	case 0:
		return "error", "区域限制结果来自缓存，但缓存内容为空"
	case 5000:
		return "skipped", message
	default:
		return "error", message
	}
}

func appDiagnosisApplyRegionLimit(res *model.AppDiagnosisInfoModel, item *appUpstreamSimQueryItem) {
	if res == nil || res.Info == nil || item == nil {
		return
	}
	hasData := appDiagnosisRegionLimitHasData(item)
	if item.Code == 5000 && !hasData {
		res.Info.RegionLimitStatus = nil
		return
	}
	if item.Code != 0 && !hasData {
		return
	}
	res.Info.RegionLimitStatus = appDiagnosisRegionLimitStatus(appDiagnosisRawString(item.ResData, "regionLimitStatus", "region_limit_status"))
	res.Info.RegionLimitOrderStatus = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "orderStatus", "order_status"))
	res.Info.RegionLimitTriggerStatus = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "limitStatus", "limit_status"))
	res.Info.RegionLimitType = appDiagnosisFirstStringPtr(
		appDiagnosisRawString(item.ResData, "limitType", "limit_type"),
		appDiagnosisPtrValue(res.Info.RegionLimitType),
	)
	res.Info.RegionLimitArea = appDiagnosisFirstStringPtr(
		appDiagnosisRawString(item.ResData, "limitArea", "limit_area"),
		appDiagnosisPtrValue(res.Info.RegionLimitArea),
	)
}

func appDiagnosisRegionLimitHasData(item *appUpstreamSimQueryItem) bool {
	if item == nil {
		return false
	}
	for _, value := range []string{
		appDiagnosisRawString(item.ResData, "regionLimitStatus", "region_limit_status"),
		appDiagnosisRawString(item.ResData, "orderStatus", "order_status"),
		appDiagnosisRawString(item.ResData, "limitStatus", "limit_status"),
		appDiagnosisRawString(item.ResData, "limitType", "limit_type"),
		appDiagnosisRawString(item.ResData, "limitArea", "limit_area"),
	} {
		if strings.TrimSpace(value) != "" {
			return true
		}
	}
	return false
}

func appDiagnosisApplyRateLimit(res *model.AppDiagnosisInfoModel, item *appUpstreamSimQueryItem) {
	if res == nil || res.Info == nil || item == nil {
		return
	}
	if item.Code == 5000 {
		res.Info.RateLimitStatus = nil
		res.Info.RateLimitReason = nil
		res.Info.RateLimitDetail = nil
		res.Info.RateLimitApnDetails = nil
		return
	}
	if item.Code != 0 {
		return
	}
	res.Info.RateLimitStatus = appDiagnosisRateLimitStatus(appDiagnosisRawString(item.ResData, "rateLimitStatus", "rate_limit_status"))
	res.Info.RateLimitReason = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "rateLimitReason", "rate_limit_reason"))
	res.Info.RateLimitDetail = appDiagnosisStringPtr(appDiagnosisRawString(item.ResData, "rateLimitDetail", "rate_limit_detail"))
	res.Info.RateLimitApnDetails = appDiagnosisRateLimitApnDetails(item.ResData)
}

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

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

func appDiagnosisNormalizeStopReason(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 appDiagnosisFirstAvailableItem(items []appUpstreamSimQueryItem) *appUpstreamSimQueryItem {
	if len(items) == 0 {
		return nil
	}
	return &items[0]
}

func appDiagnosisRateLimitApnDetails(raw json.RawMessage) []model.AppDiagnosisRateLimitApnItem {
	raw = appDiagnosisUnwrapResData(raw)
	if len(raw) == 0 || string(raw) == "null" {
		return nil
	}
	payload := struct {
		ApnDetails []model.AppDiagnosisRateLimitApnItem `json:"apnDetails"`
	}{}
	if err := json.Unmarshal(raw, &payload); err != nil || len(payload.ApnDetails) == 0 {
		return nil
	}
	details := make([]model.AppDiagnosisRateLimitApnItem, 0, len(payload.ApnDetails))
	for _, apn := range payload.ApnDetails {
		item := model.AppDiagnosisRateLimitApnItem{
			ApnName:              strings.TrimSpace(apn.ApnName),
			ApnStatus:            strings.TrimSpace(apn.ApnStatus),
			ModifyTime:           strings.TrimSpace(apn.ModifyTime),
			OverUseDetails:       strings.TrimSpace(apn.OverUseDetails),
			ApnServiceUsageState: strings.TrimSpace(apn.ApnServiceUsageState),
		}
		for _, pcc := range apn.PccDetails {
			pccItem := model.AppDiagnosisRateLimitPccItem{
				PccServiceCode:       strings.TrimSpace(pcc.PccServiceCode),
				PccName:              strings.TrimSpace(pcc.PccName),
				PccPolicyStatus:      strings.TrimSpace(pcc.PccPolicyStatus),
				PccServiceUsageState: strings.TrimSpace(pcc.PccServiceUsageState),
				ModifyTime:           strings.TrimSpace(pcc.ModifyTime),
			}
			if appDiagnosisHasRateLimitPccDetail(pccItem) {
				item.PccDetails = append(item.PccDetails, pccItem)
			}
		}
		if appDiagnosisHasRateLimitApnDetail(item) {
			details = append(details, item)
		}
	}
	return details
}

func appDiagnosisUnwrapResData(raw json.RawMessage) json.RawMessage {
	if len(raw) == 0 || string(raw) == "null" {
		return nil
	}
	wrapper := struct {
		ResData json.RawMessage `json:"resData"`
	}{}
	if err := json.Unmarshal(raw, &wrapper); err == nil && len(wrapper.ResData) > 0 && string(wrapper.ResData) != "null" {
		return wrapper.ResData
	}
	return raw
}

func appDiagnosisHasRateLimitApnDetail(item model.AppDiagnosisRateLimitApnItem) bool {
	return appDiagnosisFirstNonEmptyString(
		item.ApnName,
		item.ApnStatus,
		item.ModifyTime,
		item.OverUseDetails,
		item.ApnServiceUsageState,
	) != "" || len(item.PccDetails) > 0
}

func appDiagnosisHasRateLimitPccDetail(item model.AppDiagnosisRateLimitPccItem) bool {
	return appDiagnosisFirstNonEmptyString(
		item.PccServiceCode,
		item.PccName,
		item.PccPolicyStatus,
		item.PccServiceUsageState,
		item.ModifyTime,
	) != ""
}

func appDiagnosisRawString(raw json.RawMessage, keys ...string) string {
	if len(raw) == 0 || string(raw) == "null" {
		return ""
	}
	var payload map[string]any
	if err := json.Unmarshal(raw, &payload); err != nil || len(payload) == 0 {
		return ""
	}
	if nested, ok := payload["resData"]; ok && nested != nil {
		if nestedRaw, err := json.Marshal(nested); err == nil {
			if value := appDiagnosisRawString(nestedRaw, keys...); value != "" {
				return value
			}
		}
	}
	for _, key := range keys {
		if value, ok := payload[key]; ok && value != nil {
			text := strings.TrimSpace(fmt.Sprint(value))
			if text != "" && text != "<nil>" {
				return text
			}
		}
	}
	return ""
}

func appDiagnosisRawFloat(raw json.RawMessage, keys ...string) (float64, bool) {
	if len(raw) == 0 || string(raw) == "null" {
		return 0, false
	}
	var payload map[string]any
	if err := json.Unmarshal(raw, &payload); err != nil || len(payload) == 0 {
		return 0, false
	}
	if nested, ok := payload["resData"]; ok && nested != nil {
		if nestedRaw, err := json.Marshal(nested); err == nil {
			if value, ok := appDiagnosisRawFloat(nestedRaw, keys...); ok {
				return value, true
			}
		}
	}
	for _, key := range keys {
		value, ok := payload[key]
		if !ok || value == nil {
			continue
		}
		switch typed := value.(type) {
		case float64:
			return typed, true
		case float32:
			return float64(typed), true
		case int:
			return float64(typed), true
		case int64:
			return float64(typed), true
		case json.Number:
			parsed, err := typed.Float64()
			return parsed, err == nil
		default:
			text := strings.TrimSpace(fmt.Sprint(value))
			if text == "" || text == "<nil>" {
				continue
			}
			parsed, err := strconv.ParseFloat(text, 64)
			return parsed, err == nil
		}
	}
	return 0, false
}

func appDiagnosisFirstNonEmptyString(values ...string) string {
	for _, value := range values {
		if strings.TrimSpace(value) != "" {
			return strings.TrimSpace(value)
		}
	}
	return ""
}

func appDiagnosisSimKeyLogIccid(simKey *appUpstreamSimKey) string {
	if simKey == nil {
		return ""
	}
	return strings.TrimSpace(simKey.ICCID)
}

func appDiagnosisStringPtr(value string) *string {
	value = strings.TrimSpace(value)
	if value == "" {
		return nil
	}
	return &value
}

func appDiagnosisFirstStringPtr(values ...string) *string {
	for _, value := range values {
		if ptr := appDiagnosisStringPtr(value); ptr != nil {
			return ptr
		}
	}
	return nil
}

func appDiagnosisPtrValue(value *string) string {
	if value == nil {
		return ""
	}
	return *value
}

func appDiagnosisTimeString(value *gtime.Time) *string {
	if value == nil || value.IsZero() {
		return nil
	}
	text := value.Format("Y-m-d H:i:s")
	return &text
}

func appDiagnosisDurationMonths(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
}

func appDiagnosisOnlineStatus(status string) *string {
	var value string
	switch strings.ToUpper(strings.TrimSpace(status)) {
	case "0", "01", "ONLINE":
		value = "1"
	case "-1", "00", "OFFLINE":
		value = "0"
	case "-2", "02", "2", "UNKNOWN":
		value = "2"
	default:
		value = "2"
	}
	return &value
}

func appDiagnosisSessionStatus(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 "-2"
	}
}

func appDiagnosisDeviceStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	default:
		return nil
	}
	return &value
}

func appDiagnosisOperatingStatus(status string) *string {
	switch strings.TrimSpace(status) {
	case "0":
		value := "0"
		return &value
	case "1":
		value := "1"
		return &value
	default:
		return nil
	}
}

func appDiagnosisImeiStatus(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
}

func appDiagnosisBindStatus(bindStatus string, cardBindingType string) string {
	switch strings.TrimSpace(bindStatus) {
	case "0", "1", "2":
		return strings.TrimSpace(bindStatus)
	}
	switch strings.TrimSpace(cardBindingType) {
	case "1", "2", "3", "4", "5":
		return "1"
	case "", "-1":
		return "2"
	default:
		return "2"
	}
}

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

func appDiagnosisCardStatusPtr(status int) *string {
	if status < 0 {
		return nil
	}
	value := strconv.Itoa(status)
	return &value
}

func appDiagnosisRegionLimitStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	default:
		value = "2"
	}
	return &value
}

func appDiagnosisUpstreamFailure(prefix string, code int, message string) (status string, displayMessage string) {
	if code == 5000 || appDiagnosisIsUnsupportedMessage(message) {
		return "skipped", ""
	}
	return "error", appDiagnosisUpstreamMessage(prefix, code, message)
}

func appDiagnosisUpstreamMessage(prefix string, code int, message string) string {
	message = strings.TrimSpace(message)
	if message != "" {
		if appDiagnosisIsUnsupportedMessage(message) {
			return ""
		}
		if normalized := appDiagnosisNormalizeCustomerMessage(message); normalized != "" {
			return normalized
		}
	}
	prefix = strings.TrimSpace(prefix)
	if prefix == "" {
		prefix = "上游查询失败"
	}
	if appDiagnosisIsUnsupportedMessage(prefix) {
		return ""
	}
	return appDiagnosisNormalizeCustomerMessage(prefix)
}

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

func appDiagnosisIsUnsupportedMessage(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 appDiagnosisNormalizeCustomerMessage(message string) string {
	message = strings.TrimSpace(message)
	if message == "" {
		return ""
	}
	lower := strings.ToLower(message)
	switch {
	case appDiagnosisIsUnsupportedMessage(message):
		return ""
	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 appDiagnosisRetryMessage
	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 appDiagnosisRetryMessage
	default:
		return message
	}
}

func appDiagnosisHumanLimitStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "1":
		value = "0"
	case "0":
		value = "1"
	case "2":
		value = "2"
	case "3":
		value = "3"
	default:
		value = "2"
	}
	return &value
}

func appDiagnosisRateLimitStatus(status string) *string {
	var value string
	switch strings.TrimSpace(status) {
	case "0":
		value = "0"
	case "1":
		value = "1"
	case "3":
		value = "3"
	default:
		value = "2"
	}
	return &value
}

func appDiagnosisPackageEffectiveStatus(status int) *string {
	var value string
	switch status {
	case consts.PackageStatusPending:
		value = "0"
	case consts.PackageStatusEffective:
		value = "1"
	case consts.PackageStatusExpired:
		value = "2"
	default:
		return nil
	}
	return &value
}