package upstreamimpl

import (
	"context"
	"encoding/json"
	"encoding/xml"
	"errors"
	"fmt"
	"math"
	"net/url"
	"regexp"
	"strconv"
	"strings"
	"sync"
	"time"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/logic/upstreamimpl/dx"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/model"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/service"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
)

// XML命名空间正则
var xmlNamespaceRegex = regexp.MustCompile(`xmlns[^=]*="[^"]*"\s*|:web:`)

const dxLegacyUsageConcurrency = 5

type dxRegionLimitItem struct {
	OrderStatus any    `json:"orderStatus"`
	LimitStatus string `json:"limitStatus"`
	LimitType   any    `json:"limitType"`
	LimitArea   string `json:"limitArea"`
}

func decodeDxRegionLimitData(raw json.RawMessage) (*dxRegionLimitItem, error) {
	rawText := strings.TrimSpace(string(raw))
	if rawText == "" || rawText == "null" {
		return nil, nil
	}
	var item dxRegionLimitItem
	if err := json.Unmarshal([]byte(rawText), &item); err != nil {
		return nil, err
	}
	return &item, nil
}

type sSimDX struct {
	channelConfig *model.SimChannelConfigItemCache
	client        *dx.Client
	custNumber    string
}

func NewSimDX() *sSimDX {
	return &sSimDX{}
}

func init() {
	s := NewSimDX()
	service.UpstreamAPI().RegisterTemp("sim_dx_v1", s)
	service.RegisterSimDX(s)
}

func (s *sSimDX) NewTemp(ctx context.Context, channelConfig *model.SimChannelConfigItemCache) model.SimCardChannelI {
	client := dx.NewClient(dx.Config{
		BaseURL:   parseDXBaseURL(ctx, channelConfig),
		AppKey:    channelConfig.Channel.AppKey,
		AppSecret: channelConfig.Channel.AppSecret,
		Timeout:   resolveUpstreamHTTPTimeout(ctx, templateConfigJSON(channelConfig)),
	})
	return &sSimDX{
		channelConfig: channelConfig,
		client:        client,
		custNumber:    parseDXCustNumber(ctx, channelConfig),
	}
}

// QuerySimSession 物联网卡在线信息查询
// CTIOT_5GCMP_NQ09 - 在线会话状态查询
//   - URL: /api/v1/onlineSessionOpen/qryOnlineSataus
//   - 支持参数: accNum / access_number / iccid / imsi
func (s *sSimDX) QuerySimSession(ctx context.Context, input *model.SimSessionInput) (model.SimSessionOutput, error) {
	type dxSessionResp struct {
		Code       any             `json:"code"`
		ResultCode any             `json:"resultCode"`
		Msg        string          `json:"msg"`
		ResultMsg  string          `json:"resultMsg"`
		Message    string          `json:"message"`
		Data       json.RawMessage `json:"data"`
	}
	type dxSessionItem struct {
		OnlineStatus  string `json:"onlineStatus"`
		AccNum        string `json:"accNum"`
		ICCID         string `json:"iccid"`
		IMSI          string `json:"imsi"`
		NetModel      string `json:"netModel"`
		AccessType    string `json:"accessType"`
		SessionStatus string `json:"sessionStatus"`
		StartTime     string `json:"startTime"`
		CreateTime    string `json:"createTime"`
		EndTime       string `json:"endTime"`
		IPv4Address   string `json:"ipv4Address"`
		IPv4          string `json:"ipv4"`
		IPv6Address   string `json:"ipv6Address"`
		IPv6          string `json:"ipv6"`
		IPv6Prefix    string `json:"ipv6Prefix"`
		Apn           string `json:"apn"`
		Imei          string `json:"imei"`
		Province      string `json:"province"`
	}

	decodeSessionData := func(raw json.RawMessage) (*dxSessionItem, error) {
		rawText := strings.TrimSpace(string(raw))
		if rawText == "" || rawText == "null" {
			return nil, nil
		}
		if strings.HasPrefix(rawText, "[") {
			var list []dxSessionItem
			if err := json.Unmarshal([]byte(rawText), &list); err != nil {
				return nil, err
			}
			if len(list) == 0 {
				return nil, nil
			}
			return &list[0], nil
		}
		var item dxSessionItem
		if err := json.Unmarshal([]byte(rawText), &item); err != nil {
			return nil, err
		}
		return &item, nil
	}

	items := make(model.SimSessionOutput, 0, len(input.SimKeys))
	for _, simKey := range input.SimKeys {
		accessNumber := firstNonEmpty(simKey.MSISDN, simKey.ICCID, simKey.IMSI)
		if accessNumber == "" {
			items = append(items, &model.SimBaseRes[model.SimSessionItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "missing access number",
				ResData: model.SimSessionItem{Status: "2"},
			})
			continue
		}

		var (
			sessionItem *dxSessionItem
			respCode    = consts.ApiStatusError
			respMsg     string
			lastErr     error
		)

		attempts := []struct {
			endpoint  string
			paramName string
		}{
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineSataus", paramName: "accNum"},
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineStatus", paramName: "accNum"},
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineSataus", paramName: "access_number"},
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineStatus", paramName: "access_number"},
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineSataus", paramName: "iccid"},
			{endpoint: "/api/v1/onlineSessionOpen/qryOnlineSataus", paramName: "imsi"},
		}

		for _, attempt := range attempts {
			paramValue := accessNumber
			switch attempt.paramName {
			case "iccid":
				paramValue = firstNonEmpty(simKey.ICCID, accessNumber)
			case "imsi":
				paramValue = firstNonEmpty(simKey.IMSI, accessNumber)
			}
			respBody, err := s.client.DoGetRequest(ctx, attempt.endpoint, url.Values{
				attempt.paramName: []string{paramValue},
			})
			if err != nil {
				lastErr = err
				continue
			}
			g.Log().Debugf(ctx, "QuerySimSession response endpoint=%s body=%s", attempt.endpoint, string(respBody))

			var dxResp dxSessionResp
			if err := json.Unmarshal(respBody, &dxResp); err != nil {
				lastErr = err
				continue
			}

			codeStr := firstNonEmpty(gconv.String(dxResp.Code), gconv.String(dxResp.ResultCode))
			if codeStr == "" {
				codeStr = "0"
			}
			respCode = gconv.Int(codeStr)
			respMsg = firstNonEmpty(dxResp.Msg, dxResp.ResultMsg, dxResp.Message)
			if respCode != 0 {
				continue
			}

			item, err := decodeSessionData(dxResp.Data)
			if err != nil {
				lastErr = err
				continue
			}
			if item == nil {
				sessionItem = &dxSessionItem{OnlineStatus: "2"}
				lastErr = nil
				break
			}
			sessionItem = item
			lastErr = nil
			break
		}

		if sessionItem == nil {
			message := respMsg
			if lastErr != nil {
				message = lastErr.Error()
			}
			if message == "" {
				message = "telecom session query failed"
			}
			items = append(items, &model.SimBaseRes[model.SimSessionItem]{
				SimKey:  simKey,
				Code:    respCode,
				Message: message,
				ResData: model.SimSessionItem{Status: "2"},
			})
			continue
		}

		sessionStatus := firstNonEmpty(sessionItem.OnlineStatus, sessionItem.SessionStatus)
		if sessionStatus == "" {
			sessionStatus = "2"
		}
		items = append(items, &model.SimBaseRes[model.SimSessionItem]{
			SimKey:  simKey,
			Code:    0,
			Message: "",
			ResData: model.SimSessionItem{
				Status:     convertDxSessionStatus(ctx, sessionStatus),
				Rat:        dxSessionAccessMode(sessionItem.NetModel, sessionItem.AccessType),
				ApnId:      sessionItem.Apn,
				Imei:       sessionItem.Imei,
				CreateTime: firstNonEmpty(sessionItem.StartTime, sessionItem.CreateTime),
				Ipv4:       firstNonEmpty(sessionItem.IPv4Address, sessionItem.IPv4),
				Ipv6:       firstNonEmpty(sessionItem.IPv6Address, sessionItem.IPv6),
				Ipv6Prefix: strings.TrimSpace(sessionItem.IPv6Prefix),
			},
		})
	}

	return items, nil
}

// QuerySimCardStatus 物联网卡卡状态查询
// CTIOT_5GCMP_LC003 - 卡主状态查询
//   - URL: /openapi/v1/prodinst/queryCardMainStatus
//   - 支持参数: MSISDN（接入号码）
func (s *sSimDX) QuerySimCardStatus(ctx context.Context, input *model.SimCardStatusInput) (model.SimCardStatusOutput, error) {
	type ProductInfo struct {
		ProductMainStatusCd          string `json:"productMainStatusCd"`          // 产品主状态码
		ProductMainStatusName        string `json:"productMainStatusName"`        // 产品主状态名称
		OperatorDefinitionStatusName string `json:"operatorDefinitionStatusName"` // 运营商定义状态名称
	}

	type DxResp struct {
		Result             string                  `json:"result"`     // 状态标识
		ResultCode         string                  `json:"resultCode"` // 状态码
		ResultMsg          string                  `json:"resultMsg"`  // 标识说明
		NetBlockStatusName string                  `json:"netBlockStatusName"`
		NetBlockTypeList   []model.SimNetBlockType `json:"netBlockTypeList"`
		Number             string                  `json:"number"`         // 查询号码
		ServCreateDate     string                  `json:"servCreateDate"` // 卡生效时间
		ProductInfo        []ProductInfo           `json:"productInfo"`    // 产品信息数组
	}

	items := make(model.SimCardStatusOutput, 0)
	for _, simKey := range input.SimKeys {
		accessNumber := simKey.MSISDN

		respBody, err := s.client.DoGetRequest(ctx, "/openapi/v1/prodinst/queryCardMainStatus", url.Values{"access_number": []string{accessNumber}})
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimCardStatus error %+v, accessNumber %s", err, accessNumber)
			var statusErr *dx.HTTPStatusError
			errCode := ""
			if errors.As(err, &statusErr) {
				errCode = statusErr.RespCode
			}
			items = append(items, &model.SimBaseRes[model.SimCardStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
				ErrCode: errCode,
			})
			continue
		}

		g.Log().Debugf(ctx, "QuerySimCardStatus response: %s", string(respBody))

		var dxResp DxResp
		err = json.Unmarshal(respBody, &dxResp)
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimCardStatus unmarshal error %+v, body %s", err, string(respBody))
			items = append(items, &model.SimBaseRes[model.SimCardStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		// result = "0" 表示API调用成功
		if dxResp.Result != "0" {
			g.Log().Warningf(ctx, "QuerySimCardStatus upstream error %s, %s", dxResp.Result, dxResp.ResultMsg)
			carrierCode := strings.TrimSpace(dxResp.Result)
			code := gconv.Int(carrierCode)
			if code == 0 {
				code = consts.ApiStatusError
			}
			items = append(items, &model.SimBaseRes[model.SimCardStatusItem]{
				SimKey:  simKey,
				Code:    code,
				Message: dxResp.ResultMsg,
				ErrCode: carrierCode,
			})
			continue
		}

		// 从 productInfo 数组获取状态码
		if len(dxResp.ProductInfo) == 0 {
			g.Log().Warningf(ctx, "QuerySimCardStatus productInfo is empty, accessNumber %s", accessNumber)
			items = append(items, &model.SimBaseRes[model.SimCardStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "productInfo is empty",
			})
			continue
		}

		// 转换卡状态码
		cardStatus := convertDxCardStatus(ctx, dxResp.ProductInfo[0].ProductMainStatusCd)

		items = append(items, &model.SimBaseRes[model.SimCardStatusItem]{
			SimKey:  simKey,
			Code:    gconv.Int(dxResp.Result),
			Message: dxResp.ResultMsg,
			ResData: model.SimCardStatusItem{
				CardStatus:     cardStatus,
				NetBlockStatus: dxNetworkBlockStatus(dxResp.NetBlockStatusName, dxResp.NetBlockTypeList),
				NetBlockTypes:  dxResp.NetBlockTypeList,
				LastChangeDate: dxResp.ServCreateDate, // 卡生效时间
			},
		})
	}

	return items, nil
}

// QuerySimImei 物联网卡IMEI查询
// CTIOT_5GCMP_NQ003-设备识别码查询
//   - URL: /openapi/v1/prodinst/gete2einfo
//   - 支持参数: iccid / imsi / MSISDN（接入号码）
func (s *sSimDX) QuerySimImei(ctx context.Context, input *model.SimImeiInput) (model.SimImeiOutput, error) {
	type DxResp struct {
		Result    string `json:"result"`    // 结果
		ResultMsg string `json:"resultMsg"` // 消息
		Message   string `json:"MESSAGE"`   // 电信NQ003响应消息
		Imei      string `json:"imei"`      // IMEI
	}

	items := make(model.SimImeiOutput, 0)
	for _, simKey := range input.SimKeys {

		iccid := simKey.ICCID

		respBody, err := s.client.DoGetRequest(ctx, "/openapi/v1/prodinst/gete2einfo", url.Values{"iccid": []string{iccid}})
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimImei error %+v, iccid %s", err, iccid)
			items = append(items, &model.SimBaseRes[model.SimImeiItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		g.Log().Debugf(ctx, "QuerySimImei response: %s", string(respBody))

		var dxResp DxResp
		err = json.Unmarshal(respBody, &dxResp)
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimImei unmarshal error %+v, body %s", err, string(respBody))
			items = append(items, &model.SimBaseRes[model.SimImeiItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		if dxResp.Result != "0" {
			message := firstNonEmpty(dxResp.Message, dxResp.ResultMsg)
			code := gconv.Int(dxResp.Result)
			if code == 0 {
				code = consts.ApiStatusError
			}
			g.Log().Warningf(ctx, "QuerySimImei upstream error %s, %s", dxResp.Result, message)
			items = append(items, &model.SimBaseRes[model.SimImeiItem]{
				SimKey:  simKey,
				Code:    code,
				Message: message,
			})
			continue
		}

		items = append(items, &model.SimBaseRes[model.SimImeiItem]{
			SimKey:  simKey,
			Code:    gconv.Int(dxResp.Result),
			Message: firstNonEmpty(dxResp.Message, dxResp.ResultMsg),
			ResData: model.SimImeiItem{
				Imei: dxResp.Imei,
			},
		})
	}

	return items, nil
}

// QuerySimDataUsage 单卡本月流量累计使用量查询
// CTIOT_5GCMP_UQ001-流量查询（当月）
//   - URL: /api/v1/openbill/queryTraffic
//   - 支持参数: iccid / MSISDN（接入号码）
func (s *sSimDX) QuerySimDataUsage(ctx context.Context, input *model.SimDataUsageInput) (model.SimDataUsageOutput, error) {
	// 响应结构 (实际返回XML格式):
	// <root>
	//   <web:NEW_DATA_TICKET_QRsp xmlns:web="http://www.example.org/webservice">
	//     <IRESULT>0</IRESULT>
	//     <TOTAL_BYTES_CNT>14.01MB</TOTAL_BYTES_CNT>
	//     ...
	//   </web:NEW_DATA_TICKET_QRsp>
	// </root>
	type DxResp struct {
		XMLName xml.Name `xml:"root"`
		Data    *struct {
			Result        string `xml:"IRESULT"`         // 结果 0=成功
			TotalBytesCnt string `xml:"TOTAL_BYTES_CNT"` // 流量
		} `xml:"NEW_DATA_TICKET_QRsp"`
	}

	items := make(model.SimDataUsageOutput, 0)
	for _, simKey := range input.SimKeys {
		if simKey.MSISDN == "" {
			g.Log().Warningf(ctx, "Msisdn not found for simKey %s", simKey.ChanKey)
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "MSISDN not found",
			})
			continue
		}

		accessNumber := simKey.MSISDN

		respBody, err := s.client.DoGetRequest(ctx, "/api/v1/openbill/queryTraffic", url.Values{"access_number": []string{accessNumber}})
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsage request failed, chanKey:%s, err:%+v", simKey.ChanKey, err)
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		// 去除XML命名空间前缀
		xmlBody := xmlNamespaceRegex.ReplaceAllString(string(respBody), "")

		var dxResp DxResp
		err = xml.Unmarshal([]byte(xmlBody), &dxResp)
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsage response parse failed, chanKey:%s, err:%+v", simKey.ChanKey, err)
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		if dxResp.Data == nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: "电信响应缺少 NEW_DATA_TICKET_QRsp"})
			continue
		}
		resultCode, resultErr := parseDXResultCode(dxResp.Data.Result)
		if resultErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: resultErr.Error(), ErrCode: dxResp.Data.Result})
			continue
		}
		if resultCode != 0 {
			g.Log().Warningf(ctx, "QuerySimDataUsage upstream error, chanKey:%s, code:%s", simKey.ChanKey, dxResp.Data.Result)
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{
				SimKey:  simKey,
				Code:    resultCode,
				Message: fmt.Sprintf("流量查询失败: %s", dxResp.Data.Result),
				ErrCode: dxResp.Data.Result,
			})
			continue
		}
		dataUsage, amountErr := parseDXDataUsage(dxResp.Data.TotalBytesCnt)
		if amountErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: amountErr.Error()})
			continue
		}

		items = append(items, &model.SimBaseRes[model.SimDataUsageItem]{
			SimKey: simKey,
			Code:   resultCode,
			//Message: "流量查询成功",
			ResData: model.SimDataUsageItem{
				DataUsage: dataUsage,
			},
		})
	}
	return items, nil
}

// parseDXDataUsage 解析流量值，格式转换为MB
func parseDXDataUsage(value string) (float64, error) {
	value = strings.TrimSpace(value)
	if value == "" {
		return 0, errors.New("电信流量响应缺少 TOTAL_BYTES_CNT")
	}
	// 检查是否包含单位
	value = strings.ToUpper(strings.TrimSpace(value))
	if strings.HasSuffix(value, "MB") {
		value = strings.TrimSpace(strings.TrimSuffix(value, "MB"))
		mbVal, err := strconv.ParseFloat(value, 64)
		if err != nil || math.IsNaN(mbVal) || math.IsInf(mbVal, 0) || mbVal < 0 {
			return 0, fmt.Errorf("电信流量值无效: %s", value)
		}
		return mbVal, nil
	}
	if strings.HasSuffix(value, "GB") {
		value = strings.TrimSpace(strings.TrimSuffix(value, "GB"))
		gbVal, err := strconv.ParseFloat(value, 64)
		if err != nil || math.IsNaN(gbVal) || math.IsInf(gbVal, 0) || gbVal < 0 {
			return 0, fmt.Errorf("电信流量值无效: %s", value)
		}
		amount := gbVal * 1024
		if math.IsInf(amount, 0) {
			return 0, fmt.Errorf("invalid telecom usage after GB conversion: %s", value)
		}
		return amount, nil // 转换为MB
	}
	if strings.HasSuffix(value, "KB") {
		value = strings.TrimSpace(strings.TrimSuffix(value, "KB"))
		kbVal, err := strconv.ParseFloat(value, 64)
		if err != nil || math.IsNaN(kbVal) || math.IsInf(kbVal, 0) || kbVal < 0 {
			return 0, fmt.Errorf("电信流量值无效: %s", value)
		}
		return kbVal / 1024, nil // 转换为MB
	}
	// 如果是纯数字，直接返回
	amount, err := strconv.ParseFloat(value, 64)
	if err != nil || math.IsNaN(amount) || math.IsInf(amount, 0) || amount < 0 {
		return 0, fmt.Errorf("电信流量值无效: %s", value)
	}
	return amount, nil
}

func parseDataUsage(value string) float64 {
	if value == "" {
		return 0
	}
	// 检查是否包含单位
	value = strings.ToUpper(strings.TrimSpace(value))
	if strings.HasSuffix(value, "MB") {
		mb := strings.TrimSuffix(value, "MB")
		mbVal := gconv.Float64(mb)
		return mbVal
	}
	if strings.HasSuffix(value, "GB") {
		gb := strings.TrimSuffix(value, "GB")
		gbVal := gconv.Float64(gb)
		return gbVal * 1024 // 转换为MB
	}
	if strings.HasSuffix(value, "KB") {
		kb := strings.TrimSuffix(value, "KB")
		kbVal := gconv.Float64(kb)
		return kbVal / 1024 // 转换为MB
	}
	// 如果是纯数字，直接返回
	return gconv.Float64(value)
}

func parseDXResultCode(value string) (int, error) {
	value = strings.TrimSpace(value)
	if value == "" {
		return 0, errors.New("电信响应缺少 IRESULT")
	}
	code, err := strconv.Atoi(value)
	if err != nil {
		return 0, fmt.Errorf("电信 IRESULT 无效: %s", value)
	}
	return code, nil
}

// QuerySimDataUsageMonthly 单卡单月GPRS流量使用量批量查询
func (s *sSimDX) QuerySimDataUsageMonthly(ctx context.Context, input *model.SimDataUsageMonthlyInput) (model.SimDataUsageMonthlyOutput, error) {
	if input == nil || len(input.SimKeys) == 0 {
		return make(model.SimDataUsageMonthlyOutput, 0), nil
	}
	if strings.TrimSpace(s.custNumber) != "" && dxBatchMonthAvailable(input.ReqData.QueryDate, time.Now()) {
		return s.queryDataUsageMonthlyBatch(ctx, input)
	}
	if len(input.SimKeys) > 1 {
		return s.querySimDataUsageMonthlyConcurrent(ctx, input), nil
	}
	// XML响应结构 (正常情况)
	type DxRespXML struct {
		XMLName xml.Name `xml:"root"`
		Data    *struct {
			Result string `xml:"IRESULT"`         // 结果
			SMsg   string `xml:"SMSG"`            // 消息
			Total  string `xml:"TOTAL_BYTES_CNT"` // 流量
		} `xml:"NEW_DATA_TICKET_QRsp"`
	}

	// JSON错误响应结构 (异常情况)
	type DxRespJSON struct {
		Result string `json:"result"`
		Msg    string `json:"msg"`
	}

	items := make(model.SimDataUsageMonthlyOutput, 0)
	for _, simKey := range input.SimKeys {

		accessNumber := simKey.MSISDN

		// 计算月末日期 (API要求YYYYMMDD格式)
		startDate := input.ReqData.QueryDate + "01" // 例如: 20260301
		t, err := time.Parse("20060102", startDate)
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageMonthly parse date error %+v, queryDate %s", err, input.ReqData.QueryDate)
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "日期格式错误",
			})
			continue
		}
		endDate := t.AddDate(0, 1, -1).Format("20060102") // 例如: 20260331

		respBody, err := s.client.DoGetRequest(ctx, "/api/v1/openbill/queryTrafficByDate", url.Values{
			"access_number": []string{accessNumber},
			"startDate":     []string{startDate},
			"endDate":       []string{endDate},
			"needDtl":       []string{"0"},
		})
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageMonthly error %+v, accessNumber %s", err, accessNumber)
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		g.Log().Debugf(ctx, "QuerySimDataUsageMonthly response: %s", string(respBody))

		// 去除XML命名空间前缀
		xmlBody := xmlNamespaceRegex.ReplaceAllString(string(respBody), "")

		var dxResp DxRespXML
		if err = xml.Unmarshal([]byte(xmlBody), &dxResp); err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageMonthly unmarshal error %+v, body %s", err, xmlBody)
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}
		if dxResp.Data == nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: "电信响应缺少 NEW_DATA_TICKET_QRsp"})
			continue
		}

		resultCode, resultErr := parseDXResultCode(dxResp.Data.Result)
		if resultErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: resultErr.Error(), ErrCode: dxResp.Data.Result})
			continue
		}
		if resultCode != 0 {
			g.Log().Warningf(ctx, "QuerySimDataUsageMonthly upstream error %s, %s", dxResp.Data.Result, dxResp.Data.Total)
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{
				SimKey:  simKey,
				Code:    resultCode,
				Message: dxResp.Data.SMsg,
			})
			continue
		}
		dataUsage, amountErr := parseDXDataUsage(dxResp.Data.Total)
		if amountErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: amountErr.Error()})
			continue
		}

		items = append(items, &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{
			SimKey: simKey,
			Code:   gconv.Int(dxResp.Data.Result),
			//Message: "流量查询成功",
			ResData: model.SimDataUsageMonthlyOutputItem{
				DeadLine:   input.ReqData.QueryDate,
				DataAmount: dataUsage,
			},
		})
	}
	return items, nil
}

// QuerySimDataUsageDaily 单卡单日GPRS流量使用量查询
// CTIOT_5GCMP_UQ001-流量查询（按日期）
//   - URL: /api/v1/openbill/queryTrafficByDate
//   - startDate/endDate 均使用 queryDate
//   - TOTAL_BYTES_CNT 格式为 *.**MB，parseDataUsage 统一转换为 MB
func (s *sSimDX) QuerySimDataUsageDaily(ctx context.Context, input *model.SimDataUsageDailyInput) (model.SimDataUsageDailyOutput, error) {
	if input == nil || len(input.SimKeys) == 0 {
		return make(model.SimDataUsageDailyOutput, 0), nil
	}
	if strings.TrimSpace(s.custNumber) != "" && dxBatchDayAvailable(input.ReqData.QueryDate, time.Now()) {
		batchOutput, batchErr := s.queryDataUsageDailyBatch(ctx, input)
		if batchErr == nil && dailyBatchOutputSuccessful(input, batchOutput) {
			return batchOutput, nil
		}
		g.Log().Warningf(ctx, "QuerySimDataUsageDaily batch query failed, fallback legacy, err:%v", batchErr)
	}
	if len(input.SimKeys) > 1 {
		return s.querySimDataUsageDailyConcurrent(ctx, input), nil
	}
	return s.querySimDataUsageDailyLegacy(ctx, input), nil
}

func (s *sSimDX) querySimDataUsageDailyLegacy(ctx context.Context, input *model.SimDataUsageDailyInput) model.SimDataUsageDailyOutput {
	type DxRespXML struct {
		XMLName xml.Name `xml:"root"`
		Data    *struct {
			Result string `xml:"IRESULT"`
			SMsg   string `xml:"SMSG"`
			Total  string `xml:"TOTAL_BYTES_CNT"`
		} `xml:"NEW_DATA_TICKET_QRsp"`
	}

	items := make(model.SimDataUsageDailyOutput, 0)
	for _, simKey := range input.SimKeys {
		accessNumber := simKey.MSISDN
		queryDate := input.ReqData.QueryDate
		if _, err := time.Parse("20060102", queryDate); err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageDaily parse date error %+v, queryDate %s", err, queryDate)
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "日期格式错误",
			})
			continue
		}

		respBody, err := s.client.DoGetRequest(ctx, "/api/v1/openbill/queryTrafficByDate", url.Values{
			"access_number": []string{accessNumber},
			"startDate":     []string{queryDate},
			"endDate":       []string{queryDate},
			"needDtl":       []string{"0"},
		})
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageDaily error %+v, accessNumber %s", err, accessNumber)
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		g.Log().Debugf(ctx, "QuerySimDataUsageDaily response: %s", string(respBody))

		xmlBody := xmlNamespaceRegex.ReplaceAllString(string(respBody), "")

		var dxResp DxRespXML
		if err = xml.Unmarshal([]byte(xmlBody), &dxResp); err != nil {
			g.Log().Errorf(ctx, "QuerySimDataUsageDaily unmarshal error %+v, body %s", err, xmlBody)
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		if dxResp.Data == nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: "电信响应缺少 NEW_DATA_TICKET_QRsp"})
			continue
		}
		resultCode, resultErr := parseDXResultCode(dxResp.Data.Result)
		if resultErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: resultErr.Error(), ErrCode: dxResp.Data.Result})
			continue
		}
		if resultCode != 0 {
			g.Log().Warningf(ctx, "QuerySimDataUsageDaily upstream error %s, %s", dxResp.Data.Result, dxResp.Data.Total)
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{
				SimKey:  simKey,
				Code:    resultCode,
				Message: dxResp.Data.SMsg,
				ResData: model.SimDataUsageDailyOutputItem{
					QueryDate:  queryDate,
					DataAmount: 0,
				},
			})
			continue
		}
		dataUsageMB, amountErr := parseDXDataUsage(dxResp.Data.Total)
		if amountErr != nil {
			items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: amountErr.Error(), ResData: model.SimDataUsageDailyOutputItem{QueryDate: queryDate}})
			continue
		}

		items = append(items, &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{
			SimKey: simKey,
			Code:   resultCode,
			ResData: model.SimDataUsageDailyOutputItem{
				QueryDate:  queryDate,
				DataAmount: dataUsageMB,
			},
		})
	}
	return items
}

func (s *sSimDX) querySimDataUsageMonthlyConcurrent(ctx context.Context, input *model.SimDataUsageMonthlyInput) model.SimDataUsageMonthlyOutput {
	results := make(model.SimDataUsageMonthlyOutput, len(input.SimKeys))
	jobs := make(chan int)
	var group sync.WaitGroup
	workers := min(dxLegacyUsageConcurrency, len(input.SimKeys))
	for worker := 0; worker < workers; worker++ {
		group.Add(1)
		go func() {
			defer group.Done()
			for index := range jobs {
				simKey := input.SimKeys[index]
				if err := ctx.Err(); err != nil {
					results[index] = dxMonthlyContextFailure(simKey, err)
					continue
				}
				output, err := s.QuerySimDataUsageMonthly(ctx, &model.SimDataUsageMonthlyInput{
					SimKeys: []*model.SimKey{simKey},
					ReqData: input.ReqData,
				})
				if err != nil || len(output) == 0 {
					results[index] = dxMonthlyContextFailure(simKey, err)
					continue
				}
				results[index] = output[0]
			}
		}()
	}
	for index := range input.SimKeys {
		jobs <- index
	}
	close(jobs)
	group.Wait()
	return results
}

func (s *sSimDX) querySimDataUsageDailyConcurrent(ctx context.Context, input *model.SimDataUsageDailyInput) model.SimDataUsageDailyOutput {
	results := make(model.SimDataUsageDailyOutput, len(input.SimKeys))
	jobs := make(chan int)
	var group sync.WaitGroup
	workers := min(dxLegacyUsageConcurrency, len(input.SimKeys))
	for worker := 0; worker < workers; worker++ {
		group.Add(1)
		go func() {
			defer group.Done()
			for index := range jobs {
				simKey := input.SimKeys[index]
				if err := ctx.Err(); err != nil {
					results[index] = dxDailyContextFailure(simKey, err)
					continue
				}
				output := s.querySimDataUsageDailyLegacy(ctx, &model.SimDataUsageDailyInput{
					SimKeys: []*model.SimKey{simKey},
					ReqData: input.ReqData,
				})
				if len(output) == 0 {
					results[index] = dxDailyContextFailure(simKey, nil)
					continue
				}
				results[index] = output[0]
			}
		}()
	}
	for index := range input.SimKeys {
		jobs <- index
	}
	close(jobs)
	group.Wait()
	return results
}

func dxMonthlyContextFailure(simKey *model.SimKey, err error) *model.SimBaseRes[model.SimDataUsageMonthlyOutputItem] {
	message := "telecom monthly usage query returned no result"
	if err != nil {
		message = err.Error()
	}
	return &model.SimBaseRes[model.SimDataUsageMonthlyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: message}
}

func dxDailyContextFailure(simKey *model.SimKey, err error) *model.SimBaseRes[model.SimDataUsageDailyOutputItem] {
	message := "telecom daily usage query returned no result"
	if err != nil {
		message = err.Error()
	}
	return &model.SimBaseRes[model.SimDataUsageDailyOutputItem]{SimKey: simKey, Code: consts.ApiStatusError, Message: message}
}

func simDXBasicInfoQueryParamName(simKey *model.SimKey) string {
	if strings.TrimSpace(simKey.ICCID) != "" {
		return "iccid"
	}
	return "access_number"
}

func simDXBasicInfoQueryParamValue(simKey *model.SimKey) string {
	if iccid := strings.TrimSpace(simKey.ICCID); iccid != "" {
		return iccid
	}
	return strings.TrimSpace(simKey.MSISDN)
}

func simDXBasicInfoQueryValues(simKey *model.SimKey) url.Values {
	return url.Values{
		"pageIndex":                          []string{"1"},
		simDXBasicInfoQueryParamName(simKey): []string{simDXBasicInfoQueryParamValue(simKey)},
	}
}

// QuerySimBasicInfo 单卡基本信息查询
// CTIOT_5GCMP_BQ004 - SIM卡列表查询
//   - URL: /openapi/v1/prodinst/getSIMList
//   - 支持参数: access_number / iccid / pageIndex（必填）
func (s *sSimDX) QuerySimBasicInfo(ctx context.Context, input *model.SimBasicInfoInput) (model.SimBasicInfoOutput, error) {
	if output, ok, err := s.querySimBasicInfoBatch(ctx, input); ok {
		if err == nil {
			return output, nil
		}
		g.Log().Warningf(ctx, "QuerySimBasicInfo batch query failed, fallback legacy, err:%+v", err)
	}
	return s.querySimBasicInfoLegacy(ctx, input)
}

func (s *sSimDX) querySimBasicInfoLegacy(ctx context.Context, input *model.SimBasicInfoInput) (model.SimBasicInfoOutput, error) {
	type DxResp struct {
		ResultCode         string `json:"resultCode"`         // 返回状态标识 0成功, 1失败, -3 sign错误, -2参数错误, -1无权限
		ResultMsg          string `json:"resultMsg"`          // 返回标识说明
		GroupTransactionId string `json:"groupTransactionId"` // 流水号
		Description        struct {
			PageIndex string `json:"pageIndex"` // 页码
			SimList   []struct {
				AccNumber       string   `json:"accNumber"`       // 接入号码
				LastChangeDate  string   `json:"lastChangeDate"`  // 最后变更时间
				StatusCd        string   `json:"statusCd"`        // 运营商定义状态
				StopTypeList    []string `json:"stopTypeList"`    // 停机类型
				CustId          string   `json:"custId"`          // 客户ID
				SimStatus       []string `json:"simStatus"`       // SIM卡状态
				Imsi            string   `json:"imsi"`            // IMSI
				Iccid           string   `json:"iccid"`           // ICCID
				ActivationTime  string   `json:"activationTime"`  // 激活时间
				CreateTime      string   `json:"createTime"`      // 开卡时间
				MainOfferName   string   `json:"mainOfferName"`   // 主套餐名称
				CardBindingType string   `json:"cardBindingType"` // 机卡绑定类型
				IsDirectVisit   string   `json:"isDirectVisit"`   // 是否乐通定向
				IsHumanLimit    string   `json:"isHumanLimit"`    // 是否有人联网限制
				VpdnGreDoamin   string   `json:"vpdnGreDoamin"`   // VPDN(GRE)域名
				VpdnL2tpDoamin  string   `json:"vpdnL2tpDoamin"`  // VPDN(L2TP)域名
				AreaLimitType   string   `json:"areaLimitType"`   // 区域限制类型
				AreaLimitInfo   string   `json:"areaLimitInfo"`   // 区域限制信息
			} `json:"simList"` // SIM卡列表
		} `json:"description"`
	}

	items := make(model.SimBasicInfoOutput, 0)
	for _, simKey := range input.SimKeys {

		respBody, err := s.client.DoGetRequest(ctx, "/openapi/v1/prodinst/getSIMList", simDXBasicInfoQueryValues(simKey))
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimBasicInfo error %+v, simKey %s", err, simKey.ChanKey)
			items = append(items, &model.SimBaseRes[model.SimBasicInfoItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		g.Log().Debugf(ctx, "QuerySimBasicInfo response: %s", string(respBody))

		var dxResp DxResp
		err = json.Unmarshal(respBody, &dxResp)
		if err != nil {
			g.Log().Errorf(ctx, "QuerySimBasicInfo unmarshal error %+v, body %s", err, string(respBody))
			items = append(items, &model.SimBaseRes[model.SimBasicInfoItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		// resultCode = "0" 表示成功
		if dxResp.ResultCode != "0" {
			g.Log().Warningf(ctx, "QuerySimBasicInfo upstream error %s, %s", dxResp.ResultCode, dxResp.ResultMsg)
			items = append(items, &model.SimBaseRes[model.SimBasicInfoItem]{
				SimKey:  simKey,
				Code:    gconv.Int(dxResp.ResultCode),
				Message: dxResp.ResultMsg,
			})
			continue
		}

		// 从返回列表中查找匹配的SIM卡
		var matchedIdx = -1
		for i := range dxResp.Description.SimList {
			sim := &dxResp.Description.SimList[i]
			// 根据请求参数匹配对应的SIM卡
			if (simKey.MSISDN != "" && sim.AccNumber == simKey.MSISDN) ||
				(simKey.ICCID != "" && sim.Iccid == simKey.ICCID) {
				matchedIdx = i
				break
			}
		}

		if matchedIdx == -1 {
			items = append(items, &model.SimBaseRes[model.SimBasicInfoItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "未查询到对应SIM卡信息",
			})
			continue
		}

		matchedSim := &dxResp.Description.SimList[matchedIdx]

		items = append(items, &model.SimBaseRes[model.SimBasicInfoItem]{
			SimKey:  simKey,
			Code:    gconv.Int(dxResp.ResultCode),
			Message: dxResp.ResultMsg,
			ResData: model.SimBasicInfoItem{
				ICCID:           matchedSim.Iccid,
				IMSI:            matchedSim.Imsi,
				MSISDN:          matchedSim.AccNumber,
				OpenDate:        matchedSim.CreateTime,
				ActiveDate:      matchedSim.ActivationTime,
				SimStatus:       mapDXLegacyBasicStatus(ctx, firstNonEmpty(matchedSim.StatusCd, strings.Join(matchedSim.SimStatus, ","))),
				StopTypeList:    matchedSim.StopTypeList,
				MainOfferName:   matchedSim.MainOfferName,
				CardBindingType: matchedSim.CardBindingType,
				IsDirectVisit:   matchedSim.IsDirectVisit,
				IsHumanLimit:    matchedSim.IsHumanLimit,
				VpdnGreDoamin:   matchedSim.VpdnGreDoamin,
				VpdnL2tpDoamin:  matchedSim.VpdnL2tpDoamin,
				AreaLimitType:   matchedSim.AreaLimitType,
				AreaLimitInfo:   matchedSim.AreaLimitInfo,
			},
		})
	}
	return items, nil
}

type dxBatchInfoResponse struct {
	Code    any    `json:"code"`
	Message string `json:"message"`
	Msg     string `json:"msg"`
	Data    struct {
		QrySimInfoList []dxBatchInfoItem `json:"qrySimInfoList"`
		SimInfoList    []dxBatchInfoItem `json:"simInfoList"`
	} `json:"data"`
}

type dxBatchInfoItem struct {
	AccessNumber    string `json:"accessNumber"`
	AccNum          string `json:"accNum"`
	Result          any    `json:"result"`
	ICCID           string `json:"iccid"`
	IMSI            string `json:"imsi"`
	ActiveTime      string `json:"activeTime"`
	ActivationTime  string `json:"activationTime"`
	CreateTime      string `json:"createTime"`
	SimStatus       any    `json:"simStatus"`
	StopTypeList    any    `json:"stopTypeList"`
	MainOfferName   string `json:"mainOfferName"`
	CardBindingType string `json:"cardBindingType"`
	IsDirectVisit   string `json:"isDirectVisit"`
	IsHumanLimit    string `json:"isHumanLimit"`
	VpdnGreDoamin   string `json:"vpdnGreDoamin"`
	VpdnL2tpDoamin  string `json:"vpdnL2tpDoamin"`
	AreaLimitType   string `json:"areaLimitType"`
	AreaLimitInfo   string `json:"areaLimitInfo"`
}

func (s *sSimDX) querySimBasicInfoBatch(ctx context.Context, input *model.SimBasicInfoInput) (model.SimBasicInfoOutput, bool, error) {
	if input == nil || len(input.SimKeys) == 0 {
		return make(model.SimBasicInfoOutput, 0), true, nil
	}
	if strings.TrimSpace(s.custNumber) == "" {
		return nil, false, nil
	}
	for _, simKey := range input.SimKeys {
		if simKey == nil || strings.TrimSpace(simKey.MSISDN) == "" {
			return nil, false, nil
		}
	}

	results := make(model.SimBasicInfoOutput, len(input.SimKeys))
	pending := make([]telecomBatchKey, 0, len(input.SimKeys))
	for i, simKey := range input.SimKeys {
		pending = append(pending, telecomBatchKey{
			index:        i,
			simKey:       simKey,
			accessNumber: strings.TrimSpace(simKey.MSISDN),
		})
	}

	for _, chunk := range chunkTelecomBatchKeys(pending, dxBatchStatusLimit) {
		accessNumbers := make([]string, 0, len(chunk))
		for _, item := range chunk {
			accessNumbers = append(accessNumbers, item.accessNumber)
		}

		resp, err := s.doDXBatchInfoPost(ctx, "/api/v1/prod/batchQrySimInfo", dxBatchRequest{
			AccessNumbers: accessNumbers,
			CustNumber:    s.custNumber,
			GroupID:       "",
			SimStatus:     "",
		})
		if err != nil {
			for _, item := range chunk {
				results[item.index] = &model.SimBaseRes[model.SimBasicInfoItem]{
					SimKey:  item.simKey,
					Code:    consts.ApiStatusError,
					Message: err.Error(),
				}
			}
			continue
		}

		batchItems := resp.Data.QrySimInfoList
		if len(batchItems) == 0 {
			batchItems = resp.Data.SimInfoList
		}
		itemMap := make(map[string]dxBatchInfoItem, len(batchItems)*3)
		for _, item := range batchItems {
			putDXBatchInfoItem(itemMap, "msisdn", telecomBatchAccessNumber(item.AccessNumber, item.AccNum), item)
			putDXBatchInfoItem(itemMap, "iccid", item.ICCID, item)
			putDXBatchInfoItem(itemMap, "imsi", item.IMSI, item)
		}

		for _, item := range chunk {
			batchItem, ok := getDXBatchInfoItem(itemMap, item.simKey)
			if !ok {
				results[item.index] = &model.SimBaseRes[model.SimBasicInfoItem]{
					SimKey:  item.simKey,
					Code:    consts.ApiStatusError,
					Message: "batch response missing sim info",
				}
				continue
			}

			itemResult := strings.TrimSpace(gconv.String(batchItem.Result))
			if itemResult != "" && itemResult != "1" {
				results[item.index] = &model.SimBaseRes[model.SimBasicInfoItem]{
					SimKey:  item.simKey,
					Code:    telecomBatchResultCode(itemResult),
					Message: firstNonEmpty(resp.Message, resp.Msg, "telecom batch basic info query failed"),
				}
				continue
			}

			results[item.index] = &model.SimBaseRes[model.SimBasicInfoItem]{
				SimKey:  item.simKey,
				Code:    0,
				Message: "",
				ResData: mapDXBatchInfoToBasicInfo(batchItem),
			}
		}
	}

	return compactBasicInfoResults(results), true, nil
}

func (s *sSimDX) doDXBatchInfoPost(ctx context.Context, endpoint string, req dxBatchRequest) (*dxBatchInfoResponse, error) {
	respBody, err := s.doDXBatchPost(ctx, endpoint, req)
	if err != nil {
		return nil, err
	}
	var resp dxBatchInfoResponse
	if err := json.Unmarshal(respBody, &resp); err != nil {
		return nil, err
	}
	if gconv.String(resp.Code) != "0" {
		return nil, fmt.Errorf("telecom batch basic info request failed: code=%s message=%s", gconv.String(resp.Code), firstNonEmpty(resp.Message, resp.Msg))
	}
	return &resp, nil
}

func mapDXBatchInfoToBasicInfo(item dxBatchInfoItem) model.SimBasicInfoItem {
	status := strings.TrimSpace(gconv.String(item.SimStatus))
	statusValue := ""
	if status != "" {
		statusValue = strconv.Itoa(convertDXBatchCardStatus(context.Background(), status))
	}
	return model.SimBasicInfoItem{
		ICCID:           strings.TrimSpace(item.ICCID),
		IMSI:            strings.TrimSpace(item.IMSI),
		MSISDN:          telecomBatchAccessNumber(item.AccessNumber, item.AccNum),
		ActiveDate:      firstNonEmpty(item.ActiveTime, item.ActivationTime),
		OpenDate:        strings.TrimSpace(item.CreateTime),
		SimStatus:       statusValue,
		StopTypeList:    normalizeDXStringList(item.StopTypeList),
		MainOfferName:   strings.TrimSpace(item.MainOfferName),
		CardBindingType: strings.TrimSpace(item.CardBindingType),
		IsDirectVisit:   strings.TrimSpace(item.IsDirectVisit),
		IsHumanLimit:    strings.TrimSpace(item.IsHumanLimit),
		VpdnGreDoamin:   strings.TrimSpace(item.VpdnGreDoamin),
		VpdnL2tpDoamin:  strings.TrimSpace(item.VpdnL2tpDoamin),
		AreaLimitType:   strings.TrimSpace(item.AreaLimitType),
		AreaLimitInfo:   strings.TrimSpace(item.AreaLimitInfo),
	}
}

func mapDXLegacyBasicStatus(ctx context.Context, value string) string {
	value = strings.TrimSpace(value)
	if value == "" {
		return ""
	}
	return strconv.Itoa(convertDxCardStatus(ctx, value))
}

func normalizeDXStringList(value any) []string {
	switch v := value.(type) {
	case nil:
		return nil
	case []string:
		return trimNonEmptyStrings(v)
	case []any:
		values := make([]string, 0, len(v))
		for _, item := range v {
			values = append(values, gconv.String(item))
		}
		return trimNonEmptyStrings(values)
	case string:
		return trimNonEmptyStrings(strings.FieldsFunc(v, func(r rune) bool {
			return r == ',' || r == ';' || r == '|' || r == '_' || r == '/'
		}))
	default:
		return trimNonEmptyStrings([]string{gconv.String(value)})
	}
}

func trimNonEmptyStrings(values []string) []string {
	output := make([]string, 0, len(values))
	for _, value := range values {
		if value = strings.TrimSpace(value); value != "" {
			output = append(output, value)
		}
	}
	return output
}

func putDXBatchInfoItem(items map[string]dxBatchInfoItem, prefix string, value string, item dxBatchInfoItem) {
	if value = strings.TrimSpace(value); value != "" {
		items[prefix+":"+strings.ToUpper(value)] = item
	}
}

func getDXBatchInfoItem(items map[string]dxBatchInfoItem, simKey *model.SimKey) (dxBatchInfoItem, bool) {
	if simKey == nil {
		return dxBatchInfoItem{}, false
	}
	for _, candidate := range []struct {
		prefix string
		value  string
	}{
		{prefix: "msisdn", value: simKey.MSISDN},
		{prefix: "iccid", value: simKey.ICCID},
		{prefix: "imsi", value: simKey.IMSI},
	} {
		if value := strings.TrimSpace(candidate.value); value != "" {
			if item, ok := items[candidate.prefix+":"+strings.ToUpper(value)]; ok {
				return item, true
			}
		}
	}
	return dxBatchInfoItem{}, false
}

func compactBasicInfoResults(items model.SimBasicInfoOutput) model.SimBasicInfoOutput {
	output := make(model.SimBasicInfoOutput, 0, len(items))
	for _, item := range items {
		if item != nil {
			output = append(output, item)
		}
	}
	return output
}

// QuerySimApnInfo 物联网卡已开通APN信息查询
// 电信当前复用在线会话查询结果，从 ResData.ApnId 中取 APN/DNN 名称
func (s *sSimDX) QuerySimStopReason(ctx context.Context, input *model.SimStopReasonInput) (model.SimStopReasonOutput, error) {
	basicInfo, err := s.QuerySimBasicInfo(ctx, &model.SimBasicInfoInput{
		SimKeys: input.SimKeys,
		ReqData: model.SimInputReqNullDate{},
	})
	if err != nil {
		return nil, err
	}

	items := make(model.SimStopReasonOutput, 0, len(basicInfo))
	for _, item := range basicInfo {
		if item == nil {
			continue
		}
		stopReason := ""
		if item.Code == 0 {
			stopReason = mapDxStopTypeListText(item.ResData.StopTypeList)
		}
		items = append(items, &model.SimBaseRes[model.SimStopReasonItem]{
			SimKey:  item.SimKey,
			Code:    item.Code,
			Message: item.Message,
			ResData: model.SimStopReasonItem{
				StopReason: stopReason,
			},
		})
	}
	return items, nil
}

func (s *sSimDX) QuerySimFrozenState(ctx context.Context, input *model.SimFrozenStateInput) (model.SimFrozenStateOutput, error) {
	items := make(model.SimFrozenStateOutput, 0, len(input.SimKeys))
	for _, simKey := range input.SimKeys {
		items = append(items, &model.SimBaseRes[model.SimFrozenStateItem]{
			SimKey:  simKey,
			Code:    0,
			Message: "",
			ResData: model.SimFrozenStateItem{
				FrozenStatus: "不支持查询",
				FrozenReason: "电信当前无独立冻结查询接口",
				OperTime:     "",
			},
		})
	}
	return items, nil
}

// ChangeSimStatus 物联网卡状态变更
// CTIOT_5GCMP_LC002 - 停机保号相关
//   - URL: /5gcmp/openapi/v1/common/disabledNumberService
//   - orderTypeId: 19=停机保号, 20=停机保号复机
//
// 平台 operType 与电信 orderTypeId 映射：
//   - 0（申请停机，已激活转已停机） -> 19
//   - 1（申请复机，已停机转已激活） -> 20
func (s *sSimDX) ChangeSimStatus(ctx context.Context, input *model.SimCardStatusChangeInput) (model.SimCardStatusChangeOutput, error) {
	// 响应结构 (XML)
	type DxResp struct {
		XMLName            xml.Name `xml:"businessServiceResponse"`
		RspType            string   `xml:"RspType"`             // 请求状态
		Result             string   `xml:"result"`              // 状态响应码: 0=成功, -2=业务校验异常, 100008=系统内部错误
		ResultMsg          string   `xml:"resultMsg"`           // 返回消息
		GroupTransactionID string   `xml:"GROUP_TRANSACTIONID"` // 流水号
	}

	orderTypeID, ok := convertDxCardStatusChangeOperType(ctx, input.ReqData.OperType)
	if !ok {
		return newInvalidCardStatusChangeOutput(input.SimKeys), nil
	}

	items := make(model.SimCardStatusChangeOutput, 0, len(input.SimKeys))

	for _, simKey := range input.SimKeys {
		params := url.Values{
			"access_number": []string{simKey.MSISDN},
			"orderTypeId":   []string{orderTypeID},
		}

		respBody, err := s.client.DoGetRequest(ctx, "/5gcmp/openapi/v1/common/disabledNumberService", params)
		if err != nil {
			g.Log().Errorf(ctx, "ChangeSimStatus error %+v, simKey %s, params %+v", err, simKey.ChanKey, params)
			items = append(items, &model.SimBaseRes[model.SimCardStatusChangeItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
				ResData: model.SimCardStatusChangeItem{
					OrderNum: "",
				},
			})
			continue
		}

		g.Log().Debugf(ctx, "ChangeSimStatus response: %s", string(respBody))

		// 去除XML命名空间前缀
		xmlBody := xmlNamespaceRegex.ReplaceAllString(string(respBody), "")

		var dxResp DxResp
		err = xml.Unmarshal([]byte(xmlBody), &dxResp)
		if err != nil {
			g.Log().Errorf(ctx, "ChangeSimStatus unmarshal error %+v, body %s", err, xmlBody)
			items = append(items, &model.SimBaseRes[model.SimCardStatusChangeItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
				ResData: model.SimCardStatusChangeItem{
					OrderNum: "",
				},
			})
			continue
		}

		// result = "0" 表示成功
		code := gconv.Int(dxResp.Result)
		if dxResp.Result != "0" {
			g.Log().Warningf(ctx, "ChangeSimStatus upstream error %s, %s, simKey %s", dxResp.Result, dxResp.ResultMsg, simKey.ChanKey)
		}

		items = append(items, &model.SimBaseRes[model.SimCardStatusChangeItem]{
			SimKey:  simKey,
			Code:    code,
			Message: dxResp.ResultMsg,
			ResData: model.SimCardStatusChangeItem{
				OrderNum: dxResp.GroupTransactionID,
			},
		})
	}

	return items, nil
}

// QuerySimCardBindStatus 物联网卡机卡绑定状态查询
func (s *sSimDX) QuerySimCardBindStatus(ctx context.Context, input *model.SimCardBindStatusInput) (model.SimCardBindStatusOutput, error) {
	type bindData struct {
		OrderStatus string `json:"orderStatus"`
		OrderStaus  string `json:"orderStaus"`
		BindType    string `json:"bindType"`
		BindImei    string `json:"bindImei"`
		LastImei    string `json:"lastImei"`
		BindStatus  string `json:"bindStatus"`
		BindStaus   string `json:"bindStaus"`
	}
	type bindResp struct {
		Code any      `json:"code"`
		Msg  string   `json:"msg"`
		Data bindData `json:"data"`
	}
	items := make(model.SimCardBindStatusOutput, 0, len(input.SimKeys))
	for _, simKey := range input.SimKeys {
		name, value := "iccid", strings.TrimSpace(simKey.ICCID)
		if msisdn := strings.TrimSpace(simKey.MSISDN); msisdn != "" {
			name, value = "access_number", msisdn
		}
		item := &model.SimBaseRes[model.SimCardBindStatusItem]{SimKey: simKey}
		if value == "" {
			item.Code, item.Message = consts.ApiStatusError, "missing access number or iccid"
			items = append(items, item)
			continue
		}
		body, err := s.client.DoGetRequest(ctx, "/api/v1/corp/connect/chkDeviceBindingInfo", url.Values{name: {value}})
		if err != nil {
			item.Code, item.Message = consts.ApiStatusError, err.Error()
			items = append(items, item)
			continue
		}
		var result bindResp
		if err := json.Unmarshal(body, &result); err != nil {
			item.Code, item.Message = consts.ApiStatusError, err.Error()
			items = append(items, item)
			continue
		}
		code := strings.TrimSpace(gconv.String(result.Code))
		item.Code, item.Message = gconv.Int(code), result.Msg
		if code == "" || (code != "0" && item.Code == 0) {
			item.Code = consts.ApiStatusError
			if item.Message == "" {
				item.Message = "invalid card binding response code"
			}
		}
		if item.Code == 0 {
			item.ResData = model.SimCardBindStatusItem{
				OrderStatus:     firstNonEmpty(result.Data.OrderStatus, result.Data.OrderStaus),
				CardBindingType: result.Data.BindType,
				BindStatus:      firstNonEmpty(result.Data.BindStaus, result.Data.BindStatus),
				BindImei:        result.Data.BindImei,
				LastImei:        result.Data.LastImei,
			}
		}
		items = append(items, item)
	}
	return items, nil
}

// QuerySimDeviceStatus 查询运营商终端开关机状态。
// 电信官方 NQ007 接口只提供电源状态，不提供统一设备健康状态。
func (s *sSimDX) QuerySimDeviceStatus(ctx context.Context, input *model.SimDeviceStatusInput) (model.SimDeviceStatusOutput, error) {
	type powerStatusResp struct {
		Code    any    `json:"code"`
		Message string `json:"message"`
		Status  struct {
			Status             string `json:"Status"`
			LastedPowerOnTime  string `json:"Lastedpowerontime"`
			LastedPowerOffTime string `json:"Lastedpowerofftime"`
		} `json:"status"`
	}

	items := make(model.SimDeviceStatusOutput, 0, len(input.SimKeys))
	for _, simKey := range input.SimKeys {
		accessNumber := firstNonEmpty(simKey.MSISDN, simKey.ICCID)
		if accessNumber == "" {
			items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "missing access number or iccid",
			})
			continue
		}

		paramName := "access_number"
		if strings.TrimSpace(simKey.MSISDN) == "" {
			paramName = "iccid"
		}
		requestBody, err := json.Marshal(map[string]string{paramName: accessNumber})
		if err != nil {
			items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		respBody, err := s.client.DoPostJSONRequest(ctx, "/api/v1/prod/getDevicePowerStatus", requestBody)
		if err != nil {
			g.Log().Warningf(ctx, "QuerySimDeviceStatus error %+v, simKey %+v", err, simKey)
			items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		var resp powerStatusResp
		if err = json.Unmarshal(respBody, &resp); err != nil {
			g.Log().Warningf(ctx, "QuerySimDeviceStatus unmarshal error %+v, body %s", err, string(respBody))
			items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: err.Error(),
			})
			continue
		}

		code := gconv.Int(resp.Code)
		if code != 0 {
			items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
				SimKey:  simKey,
				Code:    code,
				Message: resp.Message,
			})
			continue
		}

		operatingStatus := mapDxOperatingStatus(resp.Status.Status)
		items = append(items, &model.SimBaseRes[model.SimDeviceStatusItem]{
			SimKey:  simKey,
			Code:    0,
			Message: resp.Message,
			ResData: model.SimDeviceStatusItem{
				DeviceStatus:    consts.CardSessionStatusUnknown,
				OperatingStatus: operatingStatus,
			},
		})
	}
	return items, nil
}

// QuerySimRegionLimitStatus 物联网卡地域限制状态查询
func (s *sSimDX) QuerySimRegionLimitStatus(ctx context.Context, input *model.SimRegionLimitStatusInput) (model.SimRegionLimitStatusOutput, error) {
	type dxRegionLimitResp struct {
		Code       any             `json:"code"`
		ResultCode any             `json:"resultCode"`
		Msg        string          `json:"msg"`
		ResultMsg  string          `json:"resultMsg"`
		Message    string          `json:"message"`
		Data       json.RawMessage `json:"data"`
	}
	items := make(model.SimRegionLimitStatusOutput, 0, len(input.SimKeys))
	for _, simKey := range input.SimKeys {
		accessNumber := firstNonEmpty(simKey.MSISDN, simKey.ICCID, simKey.IMSI)
		if accessNumber == "" {
			items = append(items, &model.SimBaseRes[model.SimRegionLimitStatusItem]{
				SimKey:  simKey,
				Code:    consts.ApiStatusError,
				Message: "missing access number",
			})
			continue
		}

		var (
			regionItem *dxRegionLimitItem
			respCode   = consts.ApiStatusError
			respMsg    string
			lastErr    error
		)

		for _, endpoint := range []string{"/openapi/v1/areaLimit/qryAreaLimitInfo"} {
			respBody, err := s.client.DoGetRequest(ctx, endpoint, url.Values{
				"accNum": []string{accessNumber},
			})
			if err != nil {
				lastErr = err
				continue
			}
			g.Log().Debugf(ctx, "QuerySimRegionLimitStatus response endpoint=%s body=%s", endpoint, string(respBody))

			var dxResp dxRegionLimitResp
			if err := json.Unmarshal(respBody, &dxResp); err != nil {
				lastErr = err
				continue
			}

			codeStr := firstNonEmpty(gconv.String(dxResp.Code), gconv.String(dxResp.ResultCode))
			if codeStr == "" {
				codeStr = "0"
			}
			respCode = gconv.Int(codeStr)
			respMsg = firstNonEmpty(dxResp.Msg, dxResp.ResultMsg, dxResp.Message)
			if respCode != 0 {
				continue
			}

			item, err := decodeDxRegionLimitData(dxResp.Data)
			if err != nil {
				lastErr = err
				continue
			}
			if item == nil {
				regionItem = &dxRegionLimitItem{}
				lastErr = nil
				break
			}
			regionItem = item
			lastErr = nil
			break
		}

		if regionItem == nil {
			basicInfo, basicErr := s.QuerySimBasicInfo(ctx, &model.SimBasicInfoInput{
				SimKeys: []*model.SimKey{simKey},
				ReqData: model.SimInputReqNullDate{},
			})
			if basicErr != nil {
				message := respMsg
				if lastErr != nil {
					message = lastErr.Error()
				}
				if message == "" {
					message = "telecom region limit query failed"
				}
				items = append(items, &model.SimBaseRes[model.SimRegionLimitStatusItem]{
					SimKey:  simKey,
					Code:    respCode,
					Message: message,
				})
				continue
			}
			if len(basicInfo) == 0 || basicInfo[0] == nil {
				items = append(items, &model.SimBaseRes[model.SimRegionLimitStatusItem]{
					SimKey:  simKey,
					Code:    consts.ApiStatusError,
					Message: "telecom region limit query returned empty data",
				})
				continue
			}
			items = append(items, &model.SimBaseRes[model.SimRegionLimitStatusItem]{
				SimKey:  simKey,
				Code:    0,
				Message: "",
				ResData: model.SimRegionLimitStatusItem{
					RegionLimitStatus: "2",
					OrderStatus:       "",
					LimitStatus:       "",
					LimitType:         basicInfo[0].ResData.AreaLimitType,
					LimitArea:         basicInfo[0].ResData.AreaLimitInfo,
				},
			})
			continue
		}

		orderStatus := gconv.String(regionItem.OrderStatus)
		limitStatus, limitType, limitArea := normalizeDxRegionLimitDetails(
			orderStatus,
			regionItem.LimitStatus,
			gconv.String(regionItem.LimitType),
			regionItem.LimitArea,
		)
		items = append(items, &model.SimBaseRes[model.SimRegionLimitStatusItem]{
			SimKey:  simKey,
			Code:    0,
			Message: "",
			ResData: model.SimRegionLimitStatusItem{
				RegionLimitStatus: mapDxRegionLimitStatusByOrder(orderStatus, limitStatus),
				OrderStatus:       orderStatus,
				LimitStatus:       limitStatus,
				LimitType:         limitType,
				LimitArea:         limitArea,
			},
		})
	}
	return items, nil
}

// convertDxSessionStatus 转换电信会话状态码
// 电信状态: 0=在线, 1=不在线, 2=未查询到会话信息
// 系统状态: 0=在线, -1=不在线, -2=未查询到会话信息
// func convertDxSessionStatus(ctx context.Context, upstreamStatus string) string {
// 	switch upstreamStatus {
// 	case "0":
// 		return "0" // 在线
// 	case "1":
// 		return "1" // 不在线
// 	case "2":
// 		return "2" // 未查询到会话信息
// 	default:
// 		g.Log().Warningf(ctx, "Unknown session status %s from upstream", upstreamStatus)
// 		return "2"
// 	}
// }

// BQ018 uses 3 for test deactivation, unlike the single-card product status.
func convertDXBatchCardStatus(ctx context.Context, upstreamStatus string) int {
	switch strings.TrimSpace(upstreamStatus) {
	case "1":
		return 1
	case "2", "3":
		return 6
	case "4":
		return 2
	case "5":
		return 4
	case "6":
		return 0
	default:
		g.Log().Warningf(ctx, "Unknown DX batch card status %q", upstreamStatus)
		return 0
	}
}

// convertDxCardStatus 转换电信卡状态码
func convertDxCardStatus(ctx context.Context, upstreamStatus string) int {
	if upstreamStatus == "" {
		return -2
	}
	status := gconv.Int(upstreamStatus)
	switch status {
	case 1:
		return 1 // 待激活
	case 4:
		return 2 // 已激活
	case 5:
		return 4 // 停机
	case 2:
		return 6 // 可测试
	case 3:
		return 7 // 库存
	case 7:
		return 9 // 已销户
	case 6:
		return 0 // 未知
	default:
		g.Log().Warningf(ctx, "Unknown card status %d from upstream", status)
		return 0
	}
}