package controller

import (
	"fmt"
	"strings"
	"time"

	"be.ems/src/framework/i18n"
	"be.ems/src/framework/reqctx"
	"be.ems/src/framework/resp"
	"be.ems/src/framework/utils/parse"
	"be.ems/src/modules/network_data/model"
	neDataService "be.ems/src/modules/network_data/service"
	neFetchlink "be.ems/src/modules/network_element/fetch_link"
	neService "be.ems/src/modules/network_element/service"

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

// 实例化控制层 SMFController 结构体
var NewSMF = &SMFController{
	neInfoService:    neService.NewNeInfo,
	cdrEventService:  neDataService.NewCDREventSMF,
	UDMExtendService: neDataService.NewUDMExtend,
}

// 网元SMF
//
// PATH /smf
type SMFController struct {
	neInfoService    *neService.NeInfo          // 网元信息服务
	cdrEventService  *neDataService.CDREventSMF // CDR会话事件服务
	UDMExtendService *neDataService.UDMExtend   // UDM用户信息服务
}

// CDR会话列表
//
// GET /cdr/list
//
//	@Tags			network_data/smf
//	@Accept			json
//	@Produce		json
//	@Param			neType			query		string	true	"NE Type only SMF"	Enums(SMF)
//	@Param			neId			query		string	true	"NE ID"				default(001)
//	@Param			subscriberID	query		string	false	"subscriberID is IMSI"
//	@Param			pageNum			query		number	true	"pageNum"	default(1)
//	@Param			pageSize		query		number	true	"pageSize"	default(10)
//	@Success		200				{object}	object	"Response Results"
//	@Security		TokenAuth
//	@Summary		CDR Session List
//	@Description	CDR Session List
//	@Router			/neData/smf/cdr/list [get]
func (s *SMFController) CDRList(c *gin.Context) {
	language := reqctx.AcceptLanguage(c)
	var querys model.CDREventSMFQuery
	if err := c.ShouldBindQuery(&querys); err != nil {
		errMsgs := fmt.Sprintf("bind err: %s", resp.FormatBindError(err))
		c.JSON(422, resp.CodeMsg(422001, errMsgs))
		return
	}

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

	// 查询数据
	rows, total := s.cdrEventService.FindByPage(querys)
	c.JSON(200, resp.OkData(map[string]any{"rows": rows, "total": total}))
}

// CDR会话删除
//
// DELETE /cdr/:id
//
//	@Tags			network_data/smf
//	@Accept			json
//	@Produce		json
//	@Param			id	path		string	true	"list data id, multiple separated by a , sign"
//	@Success		200	{object}	object	"Response Results"
//	@Security		TokenAuth
//	@Summary		CDR Session Delete
//	@Description	CDR Session Delete
//	@Router			/neData/smf/cdr/{id} [delete]
func (s *SMFController) CDRRemove(c *gin.Context) {
	language := reqctx.AcceptLanguage(c)
	id := c.Param("id")
	if id == "" {
		c.JSON(422, resp.CodeMsg(422002, "bind err: id is empty"))
		return
	}

	// 处理字符转id数组后去重
	uniqueIDs := parse.RemoveDuplicatesToArray(id, ",")
	// 转换成int64数组类型
	ids := make([]int64, 0)
	for _, v := range uniqueIDs {
		ids = append(ids, parse.Number(v))
	}

	rows, err := s.cdrEventService.DeleteByIds(ids)
	if err != nil {
		c.JSON(200, resp.ErrMsg(i18n.TKey(language, err.Error())))
		return
	}
	msg := i18n.TTemplate(language, "app.common.deleteSuccess", map[string]any{"num": rows})
	c.JSON(200, resp.OkMsg(msg))
}

// CDR会话列表导出
//
// POST /cdr/export
//
//	@Tags			network_data/smf
//	@Accept			json
//	@Produce		json
//	@Param			data	body		object	true	"Request Param"
//	@Success		200		{object}	object	"Response Results"
//	@Security		TokenAuth
//	@Summary		CDR Session List Export
//	@Description	CDR Session List Export
//	@Router			/neData/smf/cdr/export [post]
func (s *SMFController) CDRExport(c *gin.Context) {
	language := reqctx.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.ShouldBindBodyWithJSON(&querys); err != nil {
		errMsgs := fmt.Sprintf("bind err: %s", resp.FormatBindError(err))
		c.JSON(422, resp.CodeMsg(422001, errMsgs))
		return
	}
	// 限制导出数据集
	if querys.PageSize > 10000 {
		querys.PageSize = 10000
	}
	// 查询网元信息 rmUID
	neInfo := s.neInfoService.FindByNeTypeAndNeID(querys.NeType, querys.NeID)
	if neInfo.NeId != querys.NeID || neInfo.IP == "" {
		c.JSON(200, resp.ErrMsg(i18n.TKey(language, "app.common.noNEInfo")))
		return
	}
	querys.RmUID = neInfo.RmUID
	rows, total := s.cdrEventService.FindByPage(querys)
	if total == 0 {
		// 导出数据记录为空
		c.JSON(200, resp.ErrMsg(i18n.TKey(language, "app.common.exportEmpty")))
		return
	}

	// 导出文件名称
	fileName := fmt.Sprintf("smf_cdr_event_export_%d_%d.xlsx", len(rows), time.Now().UnixMilli())
	// 导出数据表格
	saveFilePath, err := s.cdrEventService.ExportXlsx(rows, fileName)
	if err != nil {
		c.JSON(200, resp.ErrMsg(err.Error()))
		return
	}

	c.FileAttachment(saveFilePath, fileName)
}

// 在线订阅用户数量
//
// GET /sub/num
//
//	@Tags			network_data/smf
//	@Accept			json
//	@Produce		json
//	@Param			neId	query		string	true	"NE ID"	default(001)
//	@Success		200		{object}	object	"Response Results"
//	@Security		TokenAuth
//	@Summary		Number of online session users
//	@Description	Number of online session users
//	@Router			/neData/smf/sub/num [get]
func (s *SMFController) SubUserNum(c *gin.Context) {
	language := reqctx.AcceptLanguage(c)
	var query struct {
		NeId string `form:"neId" binding:"required"`
	}
	if err := c.ShouldBindQuery(&query); err != nil {
		errMsgs := fmt.Sprintf("bind err: %s", resp.FormatBindError(err))
		c.JSON(422, resp.CodeMsg(422001, errMsgs))
		return
	}

	// 查询网元信息
	neInfo := s.neInfoService.FindByNeTypeAndNeID("SMF", query.NeId)
	if neInfo.NeId != query.NeId || neInfo.IP == "" {
		c.JSON(200, resp.ErrMsg(i18n.TKey(language, "app.common.noNEInfo")))
		return
	}

	// 网元直连
	num, err := neFetchlink.SMFSubNum(neInfo)
	if err != nil {
		c.JSON(200, resp.ErrMsg(err.Error()))
		return
	}

	c.JSON(200, resp.OkData(num))
}

// 在线订阅用户列表信息
//
// GET /sub/list
//
//	@Tags			network_data/smf
//	@Accept			json
//	@Produce		json
//	@Param			neId	query		string	true	"NE ID"	default(001)
//	@Param			imsi	query		string	false	"imsi"
//	@Param			msisdn	query		string	false	"msisdn"
//	@Param			upstate	query		string	false	"upstate"
//	@Param			pageNum	query		string	true	"pageNum"	default(50)
//	@Success		200		{object}	object	"Response Results"
//	@Security		TokenAuth
//	@Summary		Online session user list information
//	@Description	Online session user list information
//	@Router			/neData/smf/session/list [get]
func (s *SMFController) SubUserList(c *gin.Context) {
	language := reqctx.AcceptLanguage(c)
	var query struct {
		NeId    string `form:"neId" binding:"required"`
		IMSI    string `form:"imsi"`
		MSISDN  string `form:"msisdn"`
		Upstate string `form:"upstate"`
		PageNum string `form:"pageNum"`
	}
	if err := c.ShouldBindQuery(&query); err != nil {
		errMsgs := fmt.Sprintf("bind err: %s", resp.FormatBindError(err))
		c.JSON(422, resp.CodeMsg(422001, errMsgs))
		return
	}

	// 查询网元信息
	neInfo := s.neInfoService.FindByNeTypeAndNeID("SMF", query.NeId)
	if neInfo.NeId != query.NeId || neInfo.IP == "" {
		c.JSON(200, resp.ErrMsg(i18n.TKey(language, "app.common.noNEInfo")))
		return
	}

	// 网元直连
	data, err := neFetchlink.SMFSubInfoList(neInfo, map[string]string{
		"imsi":    query.IMSI,
		"msisdn":  query.MSISDN,
		"upstate": query.Upstate,
		"pageNum": query.PageNum,
	})
	if err != nil {
		c.JSON(200, resp.ErrMsg(err.Error()))
		return
	}

	// 对数据进行处理，去掉前缀，并加入imsi拓展信息
	rows := data["rows"].([]any)
	if len(rows) > 0 {
		arr := &rows
		for i := range *arr {
			item := (*arr)[i].(map[string]any)
			if v, ok := item["imsi"]; ok && v != nil {
				imsiStr := v.(string)
				imsiStr = strings.TrimPrefix(imsiStr, "imsi-")
				item["imsi"] = imsiStr
				// 查UDM拓展信息
				info := s.UDMExtendService.FindByIMSIAndNeID(imsiStr, "%")
				item["remark"] = info.Remark
			}
			if v, ok := item["msisdn"]; ok && v != nil {
				item["msisdn"] = strings.TrimPrefix(v.(string), "msisdn-")
			}
		}
	}

	c.JSON(200, resp.OkData(data))
}