package controller

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

	"nms_cxy/src/framework/i18n"
	"nms_cxy/src/framework/logger"
	"nms_cxy/src/framework/utils/ctx"
	"nms_cxy/src/framework/utils/file"
	"nms_cxy/src/framework/utils/parse"
	"nms_cxy/src/framework/vo/result"
	"nms_cxy/src/modules/network_data/model"
	neDataService "nms_cxy/src/modules/network_data/service"
	neService "nms_cxy/src/modules/network_element/service"

	"github.com/gin-gonic/gin"
	"github.com/gin-gonic/gin/binding"
)

// 实例化控制层 SMFController 结构体
var NewSMFController = &SMFController{
	neInfoService:   neService.NewNeInfoImpl,
	cdrEventService: neDataService.NewCDREventSMFImpl,
}

// 网元SMF
//
// PATH /smf
type SMFController struct {
	// 网元信息服务
	neInfoService neService.INeInfo
	// CDR会话事件服务
	cdrEventService neDataService.ICDREventSMF
}

// CDR会话列表
//
// GET /cdr/list
func (s *SMFController) CDRList(c *gin.Context) {
	language := ctx.AcceptLanguage(c)
	var querys model.CDREventSMFQuery
	if err := c.ShouldBindQuery(&querys); err != nil {
		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
		return
	}

	// 查询网元获取IP
	// neInfo := s.neInfoService.SelectNeInfoByNeTypeAndNeID(querys.NeType, querys.NeID)
	// if neInfo.NeId != querys.NeID || neInfo.IP == "" {
	// 	c.JSON(200, result.ErrMsg(i18n.TKey(language, "app.common.noNEInfo")))
	// 	return
	// }
	// querys.RmUID = neInfo.RmUID

	// 查询数据
	data := s.cdrEventService.SelectPage(querys)
	c.JSON(200, result.Ok(data))
}

// CDR会话删除
//
// DELETE /cdr/:cdrIds
func (s *SMFController) CDRRemove(c *gin.Context) {
	language := ctx.AcceptLanguage(c)
	cdrIds := c.Param("cdrIds")
	if cdrIds == "" {
		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
		return
	}
	// 处理字符转id数组后去重
	ids := strings.Split(cdrIds, ",")
	uniqueIDs := parse.RemoveDuplicates(ids)
	if len(uniqueIDs) <= 0 {
		c.JSON(200, result.Err(nil))
		return
	}
	rows, err := s.cdrEventService.DeleteByIds(uniqueIDs)
	if err != nil {
		c.JSON(200, result.ErrMsg(i18n.TKey(language, err.Error())))
		return
	}
	msg := i18n.TTemplate(language, "app.common.deleteSuccess", map[string]any{"num": rows})
	c.JSON(200, result.OkMsg(msg))
}

// CDR会话列表导出
//
// POST /cdr/export
func (s *SMFController) CDRExport(c *gin.Context) {
	language := ctx.AcceptLanguage(c)
	// 查询结果，根据查询条件结果，单页最大值限制
	var querys model.CDREventSMFQuery
	if err := c.ShouldBindBodyWith(&querys, binding.JSON); err != nil {
		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
		return
	}
	// 限制导出数据集
	if querys.PageSize > 10000 {
		querys.PageSize = 10000
	}
	data := s.cdrEventService.SelectPage(querys)
	if parse.Number(data["total"]) == 0 {
		// 导出数据记录为空
		c.JSON(200, result.ErrMsg(i18n.TKey(language, "app.common.exportEmpty")))
		return
	}
	rows := data["rows"].([]model.CDREventSMF)

	// 导出文件名称
	fileName := fmt.Sprintf("smf_cdr_event_export_%d_%d.xlsx", len(rows), time.Now().UnixMilli())
	// 第一行表头标题
	headerCells := map[string]string{
		"A1": "ID",
		"B1": "Charging ID",
		"C1": "Subscriber ID Data",
		"D1": "Subscriber ID Type",
		"E1": "Data Volume Uplink",
		"F1": "Data Volume Downlink",
		"G1": "Data Total Volume",
		"H1": "Duration",
		"I1": "Invocation Time",
		"J1": "PDU Session Charging Information",
	}
	// 从第二行开始的数据
	dataCells := make([]map[string]any, 0)
	for i, row := range rows {
		idx := strconv.Itoa(i + 2)
		// 解析 JSON 字符串为 map
		var cdrJSON map[string]interface{}
		err := json.Unmarshal([]byte(row.CDRJSONStr), &cdrJSON)
		if err != nil {
			logger.Warnf("CDRExport Error parsing JSON: %s", err.Error())
			continue
		}
		// 计费ID
		chargingID := ""
		if v, ok := cdrJSON["chargingID"]; ok && v != nil {
			chargingID = fmt.Sprint(parse.Number(v))
		}
		// 订阅 ID 类型
		subscriptionIDType := "-"
		// 订阅 ID 数据
		subscriptionIDData := "-"
		if v, ok := cdrJSON["subscriberIdentifier"]; ok && v != nil {
			if sub, subOk := v.(map[string]any); subOk && sub != nil {
				subscriptionIDType = sub["subscriptionIDType"].(string)
				subscriptionIDData = sub["subscriptionIDData"].(string)
			}
		}
		// 数据量上行链路
		dataVolumeUplink := []string{}
		// 数据量下行链路
		dataVolumeDownlink := []string{}
		// 数据总量
		dataTotalVolume := []string{}
		if v, ok := cdrJSON["listOfMultipleUnitUsage"]; ok && v != nil {
			usageList := v.([]any)
			if len(usageList) > 0 {
				for _, used := range usageList {
					usedUnit := used.(map[string]any)
					usedUnitList := usedUnit["usedUnitContainer"].([]any)
					if len(usedUnitList) > 0 {
						for _, data := range usedUnitList {
							udata := data.(map[string]any)
							if dup, dupOk := udata["dataVolumeUplink"]; dupOk {
								dataVolumeUplink = append(dataVolumeUplink, fmt.Sprint(parse.Number(dup)))
							}
							if ddown, ddownOk := udata["dataVolumeDownlink"]; ddownOk {
								dataVolumeDownlink = append(dataVolumeDownlink, fmt.Sprint(parse.Number(ddown)))
							}
							if dt, dtOk := udata["dataTotalVolume"]; dtOk {
								dataTotalVolume = append(dataTotalVolume, fmt.Sprint(parse.Number(dt)))
							}
						}
					}
				}
			}
		}
		// 时长
		duration := "-"
		if v, ok := cdrJSON["duration"]; ok && v != nil {
			duration = fmt.Sprint(parse.Number(v))
		}
		// 调用时间
		invocationTimestamp := ""
		if v, ok := cdrJSON["invocationTimestamp"]; ok && v != nil {
			invocationTimestamp = v.(string)
		}
		// 记录打开时间
		pduSessionChargingInformation := ""
		if v, ok := cdrJSON["pDUSessionChargingInformation"]; ok && v != nil {
			pduInfo := v.(map[string]any)

			User_Identifier := ""
			if v, ok := pduInfo["userIdentifier"]; ok && v != nil {
				User_Identifier = v.(string)
			}
			SSC_Mode := ""
			if v, ok := pduInfo["sSCMode"]; ok && v != nil {
				SSC_Mode = v.(string)
			}
			RAT_Type := ""
			if v, ok := pduInfo["rATType"]; ok && v != nil {
				RAT_Type = v.(string)
			}
			DNN_ID := ""
			if v, ok := pduInfo["dNNID"]; ok && v != nil {
				DNN_ID = v.(string)
			}
			PDU_Type := ""
			if v, ok := pduInfo["pDUType"]; ok && v != nil {
				PDU_Type = v.(string)
			}
			PDU_IPv4 := ""
			PDU_IPv6 := ""
			if v, ok := pduInfo["pDUAddress"]; ok && v != nil {
				pDUAddress := v.(map[string]any)
				if addr, ok := pDUAddress["pDUIPv4Address"]; ok && addr != nil {
					PDU_IPv4 = addr.(string)
				}
				if addr, ok := pDUAddress["pDUIPv6AddresswithPrefix"]; ok && addr != nil {
					PDU_IPv6 = addr.(string)
				}
			}

			pduSessionChargingInformation = fmt.Sprintf(`User Identifier: %s
SSC Mode: %s    RAT Type: %s    DNN ID: %s
PDU Type: %s
PDU IPv4 Address: %s
PDU IPv6 Addres Swith Prefix: %s`, User_Identifier, SSC_Mode, RAT_Type, DNN_ID, PDU_Type, PDU_IPv4, PDU_IPv6)
		}

		dataCells = append(dataCells, map[string]any{
			"A" + idx: row.ID,
			"B" + idx: chargingID,
			"C" + idx: subscriptionIDData,
			"D" + idx: subscriptionIDType,
			"E" + idx: strings.Join(dataVolumeUplink, ","),
			"F" + idx: strings.Join(dataVolumeDownlink, ","),
			"G" + idx: strings.Join(dataTotalVolume, ","),
			"H" + idx: duration,
			"I" + idx: invocationTimestamp,
			"J" + idx: pduSessionChargingInformation,
		})
	}

	// 导出数据表格
	saveFilePath, err := file.WriteSheet(headerCells, dataCells, fileName, "")
	if err != nil {
		c.JSON(200, result.ErrMsg(err.Error()))
		return
	}

	c.FileAttachment(saveFilePath, fileName)
}