package edbmonitor

import (
	"eta/eta_api/models/data_manage"
	edbmonitor "eta/eta_api/models/edb_monitor"
	"eta/eta_api/models/edb_monitor/request"
	"eta/eta_api/models/edb_monitor/response"
	"eta/eta_api/models/system"
	"eta/eta_api/utils"
	"fmt"
	"strconv"
	"strings"
	"time"

	"github.com/rdlucklib/rdluck_tools/paging"
)

// 预警触发状态
const (
	EDB_MONITOR_STATE_CLOSE = iota
	EDB_MONITOR_STATE_NO_TRIGGER
	EDB_MONITOR_STATE_TRIGGER_SUCCESS
)

// 预警突破方式
const (
	EDB_MONITOR_TYPE_UP = iota
	EDB_MONITOR_TYPE_DOWN
)

func GetMonitorList(classifyId, level, state, userId string, pageSize, currentIndex int) (resp response.EdbMonitorInfoListResp, msg string, err error) {
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize := utils.StartIndex(currentIndex, pageSize)

	var classifyIdList []int
	if classifyId != "" {
		tmp := strings.Split(classifyId, ",")
		for _, v := range tmp {
			cv, _ := strconv.Atoi(v)
			classifyIdList = append(classifyIdList, cv)
		}
	}
	var levelList []string
	if level != "" {
		levelList = strings.Split(level, ",")
	}
	var stateList []int
	if state != "" {
		tmp := strings.Split(state, ",")
		for _, v := range tmp {
			st, _ := strconv.Atoi(v)
			stateList = append(stateList, st)
		}
	}
	var userIdList []int
	if userId != "" {
		tmp := strings.Split(userId, ",")
		for _, v := range tmp {
			ui, _ := strconv.Atoi(v)
			userIdList = append(userIdList, ui)
		}
	}

	var conditon string
	var pars []interface{}
	if len(classifyIdList) != 0 {
		conditon += ` AND edb_monitor_classify_id IN (` + utils.GetOrmInReplace(len(classifyIdList)) + ` )`
		pars = append(pars, classifyIdList)
	}
	if len(levelList) != 0 {
		conditon += ` AND monitor_level IN (` + utils.GetOrmInReplace(len(levelList)) + ` )`
		pars = append(pars, levelList)
	}
	if len(stateList) != 0 {
		conditon += ` AND state IN (` + utils.GetOrmInReplace(len(stateList)) + ` )`
		pars = append(pars, stateList)
	}
	if len(userIdList) != 0 {
		conditon += ` AND create_user_id IN (` + utils.GetOrmInReplace(len(userIdList)) + ` )`
		pars = append(pars, userIdList)
	}

	total, err := edbmonitor.GetEdbMonitorInfoCountByCondition(conditon, pars)
	if err != nil {
		msg = "获取监控列表失败"
		err = fmt.Errorf("GetEdbMonitorInfoCountByCondition err:%w", err)
		return
	}

	edbMonitorList, err := edbmonitor.GetEdbMonitorInfoPageByCondition(conditon, pars, startSize, pageSize)
	if err != nil {
		msg = "获取监控列表失败"
		err = fmt.Errorf("GetEdbMonitorInfoPageByCondition err:%w", err)
		return
	}
	var edbInfoId, edbUserId []int
	for _, v := range edbMonitorList {
		edbUserId = append(edbUserId, v.CreateUserId)
		edbInfoId = append(edbInfoId, v.EdbInfoId)
	}
	edbInfoList, err := data_manage.GetEdbInfoByIdList(edbInfoId)
	if err != nil {
		msg = "获取监控列表失败"
		err = fmt.Errorf("GetEdbInfoByIdList err:%w", err)
		return
	}
	infoMap := make(map[int]string)
	for _, v := range edbInfoList {
		infoMap[v.EdbInfoId] = v.EdbName
	}
	userInfoList, err := system.GetSysAdminByIdList(edbUserId)
	if err != nil {
		msg = "获取监控列表失败"
		err = fmt.Errorf("GetSysAdminByIdList err:%w", err)
		return
	}
	userMap := make(map[int]string)
	for _, v := range userInfoList {
		userMap[v.AdminId] = v.RealName
	}
	classifyList, err := edbmonitor.GetEdbMonitorClassifyList()
	if err != nil {
		msg = "获取监控列表失败"
		err = fmt.Errorf("GetEdbMonitorClassifyList err:%w", err)
		return
	}
	classifyMap := make(map[int]string)
	for _, v := range classifyList {
		classifyMap[v.ClassifyId] = v.ClassifyName
	}
	classifyPathMap := make(map[int]string)
	for _, v := range classifyList {
		var path []string
		if v.ParentId != 0 {
			parentName := classifyMap[v.ParentId]
			if v.RootId != 0 && v.RootId != v.ParentId {
				rootName := classifyMap[v.RootId]
				path = append(path, rootName)
			}
			curName := v.ClassifyName
			path = append(path, parentName, curName)
		} else {
			path = append(path, v.ClassifyName)
		}
		classifyPathMap[v.ClassifyId] = strings.Join(path, "/")
	}

	edbMonitorItems := toEdbMonitorInfoItems(edbMonitorList, userMap, classifyPathMap, infoMap)
	page := paging.GetPaging(currentIndex, pageSize, total)

	resp.List = edbMonitorItems
	resp.Paging = page

	return
}

func SaveEdbMonitorInfo(req request.EdbMonitorInfoSaveReq, adminId int) (msg string, err error) {
	edb, er := data_manage.GetEdbInfoById(req.EdbInfoId)
	if er != nil {
		if er.Error() == utils.ErrNoRow() {
			msg = "指标不存在，请刷新重试"
			err = er
			return
		}
		msg = "添加指标预警失败"
		err = er
		return
	}
	var edbMonitorInfo *edbmonitor.EdbMonitorInfo
	if req.EdbMonitorId > 0 {
		edbMonitorInfo, er = edbmonitor.GetEdbMonitorInfoById(req.EdbMonitorId)
		if er != nil {
			if er.Error() == utils.ErrNoRow() {
				msg = "指标预警不存在，请刷新重试"
				err = er
				return
			}
			msg = "编辑指标预警失败"
			err = fmt.Errorf("GetEdbMonitorInfoById err:%w", er)
			return
		}
		var updateCols []string
		if edbMonitorInfo.EdbInfoId != req.EdbInfoId {
			updateCols = append(updateCols, []string{"edb_info_id", "edb_info_type", "edb_code", "source", "sub_source", "edb_latest_date", "edb_latest_value"}...)
			edbMonitorInfo.EdbInfoId = req.EdbInfoId
			edbMonitorInfo.EdbInfoType = edb.EdbInfoType
			edbMonitorInfo.EdbCode = edb.EdbCode
			edbMonitorInfo.Source = edb.Source
			edbMonitorInfo.SubSource = edb.SubSource
			edbMonitorInfo.EdbLatestDate = edb.LatestDate
			edbMonitorInfo.EdbLatestValue = edb.LatestValue
		}
		if edbMonitorInfo.EdbMonitorName != req.EdbMonitorName {
			updateCols = append(updateCols, "edb_monitor_name")
			edbMonitorInfo.EdbMonitorName = req.EdbMonitorName
		}
		if edbMonitorInfo.EdbMonitorClassifyId != req.ClassifyId {
			updateCols = append(updateCols, "edb_monitor_classify_id")
			edbMonitorInfo.EdbMonitorClassifyId = req.ClassifyId
		}
		if edbMonitorInfo.MonitorType != req.MonitorType {
			updateCols = append(updateCols, "monitor_type")
			edbMonitorInfo.MonitorType = req.MonitorType
		}
		monitorData, _ := strconv.ParseFloat(req.MonitorData, 64)
		if edbMonitorInfo.MonitorData != monitorData {
			updateCols = append(updateCols, "monitor_data")
			edbMonitorInfo.MonitorData = monitorData
		}
		if edbMonitorInfo.MonitorLevel != req.MonitorLevel {
			updateCols = append(updateCols, "monitor_level")
			edbMonitorInfo.MonitorLevel = req.MonitorLevel
		}
		if len(updateCols) > 0 {
			updateCols = append(updateCols, "modify_time")
			edbMonitorInfo.ModifyTime = time.Now()
			er := edbMonitorInfo.Update(updateCols)
			if er != nil {
				msg = "编辑指标预警失败"
				err = fmt.Errorf("UpdateEdbMonitorInfoById err:%w", er)
				return
			}
		}
	} else {
		edbMonitorInfo = new(edbmonitor.EdbMonitorInfo)
		edbMonitorInfo.EdbMonitorClassifyId = req.ClassifyId
		edbMonitorInfo.EdbMonitorName = req.EdbMonitorName
		edbMonitorInfo.EdbInfoId = req.EdbInfoId
		edbMonitorInfo.EdbInfoType = edb.EdbInfoType
		edbMonitorInfo.EdbCode = edb.EdbCode
		edbMonitorInfo.Source = edb.Source
		edbMonitorInfo.SubSource = edb.SubSource
		edbMonitorInfo.EdbLatestDate = edb.LatestDate
		edbMonitorInfo.EdbLatestValue = edb.LatestValue
		edbMonitorInfo.MonitorType = req.MonitorType
		monitorData, _ := strconv.ParseFloat(req.MonitorData, 64)
		edbMonitorInfo.MonitorData = monitorData
		edbMonitorInfo.MonitorLevel = req.MonitorLevel
		edbMonitorInfo.CreateUserId = adminId
		edbMonitorInfo.CreateTime = time.Now()
		edbMonitorInfo.ModifyTime = time.Now()

		insertId, er := edbMonitorInfo.Insert()
		if er != nil {
			msg = "添加指标预警失败"
			err = fmt.Errorf("insert err:%w", er)
			return
		}
		edbMonitorInfo.EdbMonitorId = int(insertId)
	}
	err = ModifyEdbMonitorState(edbMonitorInfo, edb.EdbCode, edb.Source, edb.SubSource)
	if err != nil {
		msg = "更新指标预警失败"
		err = fmt.Errorf("ModifyEdbMonitorState err:%w", err)
		return
	}
	return
}

func ModifyEdbMonitorState(edbMonitorInfo *edbmonitor.EdbMonitorInfo, edbCode string, source, subSource int) (err error) {
	cond := ` AND edb_code = ? `
	pars := []interface{}{edbCode}
	latestTwoData, er := data_manage.GetEdbDataListByCondition(cond, pars, source, subSource, 0, 2)
	if er != nil {
		err = fmt.Errorf("GetEdbDataListByCondition err:%w", er)
		return
	}
	triggerState := cmpEdbMonitorState(latestTwoData, edbMonitorInfo.MonitorType, edbMonitorInfo.MonitorData)
	var updateCols []string
	if edbMonitorInfo.State != EDB_MONITOR_STATE_TRIGGER_SUCCESS {
		edbMonitorInfo.State = triggerState
		updateCols = append(updateCols, "state")
	} else {
		tmpTime, _ := time.Parse(utils.FormatDate, latestTwoData[0].DataTime)
		edbMonitorInfo.EdbTriggerDate = tmpTime
		edbMonitorInfo.MonitorTriggerTime = time.Now()
		updateCols = append(updateCols, []string{"edb_trigger_date", "monitor_trigger_time"}...)
	}
	err = edbMonitorInfo.Update(updateCols)
	if err != nil {
		return
	}

	if triggerState == EDB_MONITOR_STATE_TRIGGER_SUCCESS {
		triggerTime := edbMonitorInfo.MonitorTriggerTime.Format(utils.FormatDateTime)
		err = SendMessages(edbMonitorInfo.CreateUserId, edbMonitorInfo.EdbInfoId, edbMonitorInfo.EdbInfoType, edbMonitorInfo.EdbMonitorName, triggerTime)
		isRead := 1
		if err != nil {
			isRead = 0
		}
		err = LogMessage(edbMonitorInfo.EdbMonitorName, edbMonitorInfo.MonitorTriggerTime, edbMonitorInfo.EdbInfoId, edbMonitorInfo.EdbInfoType, edbMonitorInfo.CreateUserId, isRead)
	}

	return
}

func cmpEdbMonitorState(twoData []*data_manage.EdbData, monitorType int, monitorData float64) int {
	if len(twoData) < 2 {
		return EDB_MONITOR_STATE_NO_TRIGGER
	}
	switch monitorType {
	case EDB_MONITOR_TYPE_UP:
		if twoData[0].Value >= monitorData && twoData[1].Value < monitorData {
			return EDB_MONITOR_STATE_TRIGGER_SUCCESS
		} else {
			return EDB_MONITOR_STATE_NO_TRIGGER
		}
	case EDB_MONITOR_TYPE_DOWN:
		if twoData[0].Value <= monitorData && twoData[1].Value > monitorData {
			return EDB_MONITOR_STATE_TRIGGER_SUCCESS
		} else {
			return EDB_MONITOR_STATE_NO_TRIGGER
		}
	default:
		return EDB_MONITOR_STATE_NO_TRIGGER
	}
}

func DeleteEdbMonitorInfo(req request.EdbMonitorInfoDeleteReq) (msg string, err error) {
	err = edbmonitor.DeleteEdbMonitorInfoById(req.EdbMonitorId)
	if err != nil {
		msg = "删除失败"
		err = fmt.Errorf("DeleteEdbMonitorInfoById err:%w", err)
	}
	return
}

func GetEdbMonitorLevelList() (list []string, msg string, err error) {
	list, err = edbmonitor.GetEdbMonitorLevelList()
	if err != nil {
		msg = "获取等级等级列表失败"
		err = fmt.Errorf("GetEdbMonitorLevelList err:%w", err)
		return
	}
	return
}

func CloseEdbMonitorInfo(req request.EdbMonitorInfoCloseReq, adminId int) (msg string, err error) {
	edbMonitor, er := edbmonitor.GetEdbMonitorInfoById(req.EdbMonitorId)
	if er != nil {
		if er.Error() == utils.ErrNoRow() {
			msg = "指标预警不存在，请刷新重试"
			err = er
		}
		msg = "关闭失败"
		err = fmt.Errorf("获取预警详情失败, err:%w", er)
		return
	}
	if edbMonitor.CreateUserId != adminId {
		msg = "无权限操作"
		err = fmt.Errorf("无权限操作")
		return
	}
	if edbMonitor.State == EDB_MONITOR_STATE_CLOSE {
		msg = "预警已关闭"
		err = fmt.Errorf("预警已关闭")
		return
	}
	edbMonitor.State = EDB_MONITOR_STATE_CLOSE
	edbMonitor.ModifyTime = time.Now()
	er = edbMonitor.Update([]string{"state", "modify_time"})
	if er != nil {
		msg = "关闭失败"
		err = fmt.Errorf("修改预警状态失败, err:%w", er)
		return
	}
	return
}

func RestartEdbMonitorInfo(req request.EdbMonitorInfoRestartReq, adminId int) (msg string, err error) {
	edbMonitor, er := edbmonitor.GetEdbMonitorInfoById(req.EdbMonitorId)
	if er != nil {
		if er.Error() == utils.ErrNoRow() {
			msg = "指标预警不存在，请刷新重试"
			err = er
		}
		msg = "重启失败"
		err = fmt.Errorf("获取预警详情失败, err:%w", er)
		return
	}
	if edbMonitor.CreateUserId != adminId {
		msg = "无权限操作"
		err = fmt.Errorf("无权限操作")
		return
	}
	if edbMonitor.State != EDB_MONITOR_STATE_CLOSE {
		msg = "预警未关闭，无需重启"
		err = fmt.Errorf("预警未关闭，无需重启")
		return
	}
	err = ModifyEdbMonitorState(edbMonitor, edbMonitor.EdbCode, edbMonitor.Source, edbMonitor.SubSource)
	if err != nil {
		msg = "重启失败"
		err = fmt.Errorf("修改预警状态失败, err:%w", err)
		return
	}
	return
}

func GetEdbMonitorInfoUserList() (resp response.EdbMonitorInfoCreateUserResp, msg string, err error) {
	userIdList, err := edbmonitor.GetEdbMonitorCreateUserId()
	if err != nil {
		msg = "获取用户列表失败"
		return
	}
	adminList, err := system.GetAdminItemByIdList(userIdList)
	if err != nil {
		msg = "获取用户列表失败"
		return
	}
	createUserItem := make([]*response.EdbMonitorCreateUserItem, 0)
	for _, v := range adminList {
		tmp := new(response.EdbMonitorCreateUserItem)
		tmp.AdminId = v.AdminId
		tmp.RealName = v.RealName
		createUserItem = append(createUserItem, tmp)
	}
	resp.List = createUserItem
	return
}

func toEdbMonitorInfoItems(edbmonitor []*edbmonitor.EdbMonitorInfo, userMap, classifyPathMap, infoMap map[int]string) []*response.EdbMonitorInfoItem {
	res := make([]*response.EdbMonitorInfoItem, 0, len(edbmonitor))
	for _, v := range edbmonitor {
		tmp := new(response.EdbMonitorInfoItem)
		tmp.EdbMonitorId = v.EdbMonitorId
		tmp.EdbMonitorName = v.EdbMonitorName
		tmp.EdbMonitorClassifyId = v.EdbMonitorClassifyId
		tmp.EdbMonitorClassifyName = classifyPathMap[v.EdbMonitorClassifyId]
		tmp.EdbInfoId = v.EdbInfoId
		tmp.EdbInfoName = infoMap[v.EdbInfoId]
		tmp.EdbInfoType = v.EdbInfoType
		tmp.EdbCode = v.EdbCode
		tmp.Source = v.Source
		tmp.SubSource = v.SubSource
		tmp.EdbLatestDate = v.EdbLatestDate
		tmp.EdbLatestValue = v.EdbLatestValue
		tmp.MonitorType = v.MonitorType
		tmp.MonitorData = v.MonitorData
		tmp.MonitorLevel = v.MonitorLevel
		tmp.State = v.State
		tmp.EdbTriggerDate = utils.TimeTransferString(utils.FormatDate, v.EdbTriggerDate)
		tmp.MonitorTriggerTime = utils.TimeTransferString(utils.FormatDateTime, v.MonitorTriggerTime)
		tmp.CreateUserId = v.CreateUserId
		tmp.CreateUserName = userMap[v.CreateUserId]
		tmp.CreateTime = utils.TimeTransferString(utils.FormatDateTime, v.CreateTime)
		tmp.ModifyTime = utils.TimeTransferString(utils.FormatDateTime, v.ModifyTime)
		res = append(res, tmp)
	}
	return res
}