// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package models

import (
	"context"
	"fmt"
	"strconv"
	"strings"
	"time"

	"golang.org/x/text/language"

	"yunion.io/x/jsonutils"
	"yunion.io/x/log"
	"yunion.io/x/pkg/appctx"
	"yunion.io/x/pkg/errors"
	"yunion.io/x/pkg/util/rbacscope"
	"yunion.io/x/pkg/util/sets"
	"yunion.io/x/pkg/utils"
	"yunion.io/x/sqlchemy"

	"yunion.io/x/onecloud/pkg/apis"
	"yunion.io/x/onecloud/pkg/apis/monitor"
	notiapi "yunion.io/x/onecloud/pkg/apis/notify"
	"yunion.io/x/onecloud/pkg/cloudcommon/db"
	"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
	"yunion.io/x/onecloud/pkg/hostman/hostinfo/hostconsts"
	"yunion.io/x/onecloud/pkg/httperrors"
	"yunion.io/x/onecloud/pkg/mcclient"
	"yunion.io/x/onecloud/pkg/mcclient/auth"
	"yunion.io/x/onecloud/pkg/mcclient/modules/notify"
	"yunion.io/x/onecloud/pkg/mcclient/modules/yunionconf"
	merrors "yunion.io/x/onecloud/pkg/monitor/errors"
	"yunion.io/x/onecloud/pkg/monitor/options"
	"yunion.io/x/onecloud/pkg/monitor/validators"
	"yunion.io/x/onecloud/pkg/util/logclient"
	"yunion.io/x/onecloud/pkg/util/stringutils2"
)

const (
	CommonAlertMetadataAlertType = "alert_type"
	CommonAlertMetadataFieldOpt  = "field_opt"
	CommonAlertMetadataPointStr  = "point_str"
	CommonAlertMetadataName      = "meta_name"

	COMPANY_COPYRIGHT_ONECLOUD = "云联"
	BRAND_ONECLOUD_NAME_CN     = "云联壹云"
	BRAND_ONECLOUD_NAME_EN     = "YunionCloud"
)

var (
	CommonAlertManager *SCommonAlertManager
)

func init() {
	GetCommonAlertManager()
	//registry.RegisterService(CommonAlertManager)
}

func GetCommonAlertManager() *SCommonAlertManager {
	if CommonAlertManager != nil {
		return CommonAlertManager
	}
	CommonAlertManager = &SCommonAlertManager{
		SAlertManager: *NewAlertManager(SCommonAlert{}, "commonalert", "commonalerts"),
	}
	CommonAlertManager.SetVirtualObject(CommonAlertManager)
	return CommonAlertManager
}

type ISubscriptionManager interface {
	SetAlert(alert *SCommonAlert)
	DeleteAlert(alert *SCommonAlert)
}

type SCommonAlertManager struct {
	SAlertManager
	subscriptionManager ISubscriptionManager
}

type ICommonAlert interface {
	db.IModel

	RealDelete(ctx context.Context, userCred mcclient.TokenCredential) error
	DeleteAttachAlertRecords(ctx context.Context, userCred mcclient.TokenCredential) []error
	DetachAlertResourceOnDisable(ctx context.Context, userCred mcclient.TokenCredential) []error
	DetachMonitorResourceJoint(ctx context.Context, userCred mcclient.TokenCredential) error
	UpdateMonitorResourceJoint(ctx context.Context, userCred mcclient.TokenCredential) error
	GetMoreDetails(ctx context.Context, out monitor.CommonAlertDetails) (monitor.CommonAlertDetails, error)
}

type SCommonAlert struct {
	SAlert
}

func (man *SCommonAlertManager) SetSubscriptionManager(sman ISubscriptionManager) {
	man.subscriptionManager = sman
}

func (man *SCommonAlertManager) SetSubscriptionAlert(alert *SCommonAlert) {
	man.subscriptionManager.SetAlert(alert)
}

func (man *SCommonAlertManager) DeleteSubscriptionAlert(alert *SCommonAlert) {
	man.subscriptionManager.DeleteAlert(alert)
}

func (man *SCommonAlertManager) NamespaceScope() rbacscope.TRbacScope {
	return rbacscope.ScopeSystem
}

func (manager *SCommonAlertManager) Init() error {
	return nil
}

func (man *SCommonAlertManager) Run(ctx context.Context) error {
	alerts, err := man.GetAlerts(monitor.CommonAlertListInput{})
	if err != nil {
		return err
	}
	errs := make([]error, 0)
	for _, alert := range alerts {
		err := alert.UpdateMonitorResourceJoint(ctx, auth.AdminCredential())
		if err != nil {
			errs = append(errs, err)
		}

	}
	return errors.NewAggregate(errs)
}

func (man *SCommonAlertManager) UpdateAlertsResType(ctx context.Context, userCred mcclient.TokenCredential) error {
	alerts, err := man.GetAlerts(monitor.CommonAlertListInput{})
	if err != nil {
		return err
	}
	errs := make([]error, 0)
	for _, alert := range alerts {
		err := alert.UpdateResType()
		if err != nil {
			errs = append(errs, err)
		}
	}
	return errors.NewAggregate(errs)
}

func (man *SCommonAlertManager) validateRoles(ctx context.Context, roles []string) ([]string, error) {
	ids := []string{}
	for _, role := range roles {
		roleCache, err := db.RoleCacheManager.FetchRoleByIdOrName(ctx, role)
		if err != nil {
			return nil, errors.Wrapf(err, "fetch role by id or name: %q", role)
		}
		ids = append(ids, roleCache.GetId())
	}
	return ids, nil
}

func (man *SCommonAlertManager) ValidateCreateData(
	ctx context.Context, userCred mcclient.TokenCredential,
	ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject,
	data monitor.CommonAlertCreateInput) (monitor.CommonAlertCreateInput, error) {
	if data.Period == "" {
		data.Period = "5m"
	}
	if data.AlertDuration == 0 {
		data.AlertDuration = 1
	}
	if data.Name == "" {
		return data, merrors.NewArgIsEmptyErr("name")
	}
	if data.Level == "" {
		data.Level = monitor.CommonAlertLevelNormal
	}
	if len(data.Channel) == 0 {
		data.Channel = []string{monitor.DEFAULT_SEND_NOTIFY_CHANNEL}
	}
	//else {
	//	data.Channel = append(data.Channel, monitor.DEFAULT_SEND_NOTIFY_CHANNEL)
	//}

	if !utils.IsInStringArray(data.Level, monitor.CommonAlertLevels) {
		return data, httperrors.NewInputParameterError("Invalid level format: %s", data.Level)
	}
	if _, err := time.ParseDuration(data.Period); err != nil {
		return data, httperrors.NewInputParameterError("Invalid period format: %s", data.Period)
	}
	if data.SilentPeriod != "" {
		if _, err := time.ParseDuration(data.SilentPeriod); err != nil {
			return data, httperrors.NewInputParameterError("Invalid silent_period format: %s", data.SilentPeriod)
		}
	}
	// 默认的系统配置Recipients=commonalert-default
	if !utils.IsInStringArray(data.AlertType, []string{
		monitor.CommonAlertSystemAlertType,
		monitor.CommonAlertServiceAlertType,
	}) {
		if len(data.Recipients) == 0 && len(data.RobotIds) == 0 && len(data.Roles) == 0 {
			return data, merrors.NewArgIsEmptyErr("recipients, robot_ids or roles")
		}
	}

	if len(data.CommonMetricInputQuery.MetricQuery) == 0 {
		return data, merrors.NewArgIsEmptyErr("metric_query")
	} else {
		for _, query := range data.CommonMetricInputQuery.MetricQuery {
			if query.ConditionType == monitor.METRIC_QUERY_TYPE_NO_DATA {
				query.Comparator = "=="
			}
			if !utils.IsInStringArray(getQueryEvalType(query.Comparator), validators.EvaluatorDefaultTypes) {
				return data, httperrors.NewInputParameterError("the Comparator is illegal: %s", query.Comparator)
			}
			if _, ok := monitor.AlertReduceFunc[query.Reduce]; !ok {
				return data, httperrors.NewInputParameterError("the reduce is illegal: %s", query.Reduce)
			}
			/*if query.Threshold == 0 {
				return data, httperrors.NewInputParameterError("threshold is meaningless")
			}*/
			if strings.Contains(query.From, "now-") || strings.Contains(query.To, "now") {
				query.To = "now"
				query.From = "1h"
			}
		}
	}

	if data.AlertType != "" {
		if !utils.IsInStringArray(data.AlertType, validators.CommonAlertType) {
			return data, httperrors.NewInputParameterError("Invalid AlertType: %s", data.AlertType)
		}
	}
	var err = man.ValidateMetricQuery(&data.CommonMetricInputQuery, data.Scope, ownerId)
	if err != nil {
		return data, errors.Wrap(err, "metric query error")
	}

	// validate role
	if len(data.Roles) != 0 {
		roleIds, err := man.validateRoles(ctx, data.Roles)
		if err != nil {
			return data, errors.Wrap(err, "validateRole")
		}
		data.Roles = roleIds
		if !utils.IsInStringArray(data.Scope, []string{
			notiapi.SUBSCRIBER_SCOPE_SYSTEM,
			notiapi.SUBSCRIBER_SCOPE_DOMAIN,
			notiapi.SUBSCRIBER_SCOPE_PROJECT,
		}) {
			return data, httperrors.NewInputParameterError("unsupport scope %s", data.Scope)
		}
	}

	name, err := man.genName(ctx, ownerId, data.Name)
	if err != nil {
		return data, err
	}
	data.Name = name

	alertCreateInput := man.toAlertCreatInput(data)
	alertCreateInput, err = AlertManager.ValidateCreateData(ctx, userCred, ownerId, query, alertCreateInput)
	if err != nil {
		return data, err
	}
	data.AlertCreateInput = alertCreateInput
	return data, nil

}

func (man *SCommonAlertManager) genName(ctx context.Context, ownerId mcclient.IIdentityProvider, name string) (string,
	error) {
	lockman.LockRawObject(ctx, man.Keyword(), "name")
	defer lockman.ReleaseRawObject(ctx, man.Keyword(), "name")

	name, err := db.GenerateName(ctx, man, ownerId, name)
	if err != nil {
		return "", err
	}
	return name, nil
}

func (man *SCommonAlertManager) ValidateMetricQuery(metricRequest *monitor.CommonMetricInputQuery, scope string, ownerId mcclient.IIdentityProvider) error {
	for _, q := range metricRequest.MetricQuery {
		metriInputQuery := monitor.MetricInputQuery{
			From:     metricRequest.From,
			To:       metricRequest.To,
			Interval: metricRequest.Interval,
		}
		setDefaultValue(q.AlertQuery, &metriInputQuery, scope, ownerId)
		err := UnifiedMonitorManager.ValidateInputQuery(q.AlertQuery)
		if err != nil {
			return err
		}
	}
	return nil
}

func (alert *SCommonAlert) setAlertType(ctx context.Context, userCred mcclient.TokenCredential, alertType string) error {
	return alert.SetMetadata(ctx, CommonAlertMetadataAlertType, alertType, userCred)
}

func (alert *SCommonAlert) getAlertType() string {
	ret := alert.GetMetadata(context.Background(), CommonAlertMetadataAlertType, nil)
	return ret
}

func (alert *SCommonAlert) setFieldOpt(ctx context.Context, userCred mcclient.TokenCredential, fieldOpt string) error {
	return alert.SetMetadata(ctx, CommonAlertMetadataFieldOpt, fieldOpt, userCred)
}

func (alert *SCommonAlert) getFieldOpt() string {
	return alert.GetMetadata(context.Background(), CommonAlertMetadataFieldOpt, nil)
}

func (alert *SCommonAlert) setPointStr(ctx context.Context, userCred mcclient.TokenCredential, fieldOpt string) error {
	return alert.SetMetadata(ctx, CommonAlertMetadataPointStr, fieldOpt, userCred)
}

func (alert *SCommonAlert) getPointStr() string {
	return alert.GetMetadata(context.Background(), CommonAlertMetadataPointStr, nil)
}

func (alert *SCommonAlert) setMetaName(ctx context.Context, userCred mcclient.TokenCredential, metaName string) error {
	return alert.SetMetadata(ctx, CommonAlertMetadataName, metaName, userCred)
}

func (alert *SCommonAlert) getMetaName() string {
	return alert.GetMetadata(context.Background(), CommonAlertMetadataName, nil)
}

func (alert *SCommonAlert) CustomizeCreate(
	ctx context.Context, userCred mcclient.TokenCredential,
	ownerId mcclient.IIdentityProvider,
	query jsonutils.JSONObject,
	data jsonutils.JSONObject,
) error {
	err := alert.SMonitorScopedResource.CustomizeCreate(ctx, userCred, ownerId, query, data)
	if err != nil {
		return err
	}
	alert.State = string(monitor.AlertStateUnknown)
	alert.LastStateChange = time.Now()
	input := new(monitor.CommonAlertCreateInput)
	if err := data.Unmarshal(input); err != nil {
		return err
	}

	return alert.customizeCreateNotis(ctx, userCred, query, data)
}

func (alert *SCommonAlert) customizeCreateNotis(ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject,
	data jsonutils.JSONObject) error {
	input := new(monitor.CommonAlertCreateInput)
	if err := data.Unmarshal(input); err != nil {
		return err
	}

	if input.AlertType == monitor.CommonAlertSystemAlertType {
		s := &monitor.NotificationSettingOneCloud{
			Channel: "webconsole",
		}
		return alert.createAlertNoti(ctx, userCred, input.Name, s, input.SilentPeriod, true)
	}

	for _, channel := range input.Channel {
		s := &monitor.NotificationSettingOneCloud{
			Channel: channel,
			UserIds: input.Recipients,
		}
		if err := alert.createAlertNoti(ctx, userCred, input.Name, s, input.SilentPeriod, false); err != nil {
			return errors.Wrap(err, fmt.Sprintf("create notify[channel is %s] error", channel))
		}
	}

	if len(input.RobotIds) != 0 {
		s := &monitor.NotificationSettingOneCloud{
			Channel:  string(notify.NotifyByRobot),
			RobotIds: input.RobotIds,
		}
		if err := alert.createAlertNoti(ctx, userCred, input.Name, s, input.SilentPeriod, false); err != nil {
			return errors.Wrapf(err, "create alert notification by robot %v", input.RobotIds)
		}
	}
	if len(input.Roles) != 0 {
		s := &monitor.NotificationSettingOneCloud{
			RoleIds: input.Roles,
		}
		if err := alert.createAlertNoti(ctx, userCred, input.Name, s, input.SilentPeriod, false); err != nil {
			return errors.Wrapf(err, "create alert notify by role %v, scope %q", input.Roles, input.Scope)
		}
	}
	return nil
}

func (alert *SCommonAlert) createAlertNoti(ctx context.Context, userCred mcclient.TokenCredential, notiName string, settings *monitor.NotificationSettingOneCloud, silentPeriod string, isSysNoti bool) error {
	noti, err := NotificationManager.CreateOneCloudNotification(ctx, userCred, notiName, settings, silentPeriod)
	if err != nil {
		return errors.Wrap(err, "create notification")
	}
	if isSysNoti {
		_, err = db.Update(noti, func() error {
			//对于默认系统报警，isDefault=true
			noti.IsDefault = true
			return nil
		})
		if err != nil {
			return errors.Wrap(err, "create notification")
		}
	}
	if alert.Id == "" {
		alert.Id = db.DefaultUUIDGenerator()
	}
	_, err = alert.AttachNotification(
		ctx, userCred, noti,
		monitor.AlertNotificationStateUnknown,
		"")
	return err
}

func (alert *SCommonAlert) PostCreate(ctx context.Context,
	userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider,
	query jsonutils.JSONObject, data jsonutils.JSONObject) {

	input := new(monitor.CommonAlertCreateInput)
	if err := data.Unmarshal(input); err != nil {
		log.Errorf("post create unmarshal input: %v", err)
		return
	}

	alert.SetStatus(userCred, monitor.ALERT_STATUS_READY, "")

	if input.AlertType != "" {
		if err := alert.setAlertType(ctx, userCred, input.AlertType); err != nil {
			log.Errorf("etAlertType error for %q: %v", alert.GetId(), err)
		}
	}
	fieldOpt := ""
	for i, metricQ := range input.CommonMetricInputQuery.MetricQuery {
		if metricQ.FieldOpt != "" {
			if i == 0 {
				fieldOpt = metricQ.FieldOpt
				continue
			}
			fieldOpt = fmt.Sprintf("%s+%s", fieldOpt, metricQ.FieldOpt)
		}
	}
	if fieldOpt != "" {
		alert.setFieldOpt(ctx, userCred, fieldOpt)
	}
	if input.GetPointStr {
		alert.setPointStr(ctx, userCred, strconv.FormatBool(input.GetPointStr))
	}
	if len(input.MetaName) != 0 {
		alert.setMetaName(ctx, userCred, input.MetaName)
	}
	_, err := alert.PerformSetScope(ctx, userCred, query, data)
	if err != nil {
		log.Errorln(errors.Wrap(err, "Alert PerformSetScope"))
	}
	CommonAlertManager.SetSubscriptionAlert(alert)
	alert.StartUpdateMonitorAlertJointTask(ctx, userCred)
}

func (man *SCommonAlertManager) ListItemFilter(
	ctx context.Context, q *sqlchemy.SQuery,
	userCred mcclient.TokenCredential,
	query monitor.CommonAlertListInput,
) (*sqlchemy.SQuery, error) {
	q, err := man.SAlertManager.ListItemFilter(ctx, q, userCred, query.AlertListInput)
	if err != nil {
		return nil, err
	}
	man.FieldListFilter(q, query)

	return q, nil
}

func (man *SCommonAlertManager) FieldListFilter(q *sqlchemy.SQuery, input monitor.CommonAlertListInput) {
	// if len(input.UsedBy) == 0 {
	// 	q.Filter(sqlchemy.IsNull(q.Field("used_by")))
	// } else {
	// 	q.Equals("used_by", input.UsedBy)
	// }
	if len(input.UsedBy) != 0 {
		q.Equals("used_by", input.UsedBy)
	}

	if len(input.Level) > 0 {
		q.Equals("level", input.Level)
	}
	if len(input.Name) != 0 {
		q.Contains("name", input.Name)
	}
}

func (manager *SCommonAlertManager) GetExportExtraKeys(ctx context.Context, keys stringutils2.SSortedStrings, rowMap map[string]string) *jsonutils.JSONDict {
	res := manager.SResourceBaseManager.GetExportExtraKeys(ctx, keys, rowMap)
	if keys.Contains("tenant") {
		if projectId, ok := rowMap["tenant_id"]; ok && projectId != "" {
			tenant, err := db.TenantCacheManager.FetchTenantById(ctx, projectId)
			if err == nil {
				res.Set("tenant", jsonutils.NewString(fmt.Sprintf("%s/%s", tenant.GetName(),
					tenant.GetProjectDomain())))
			}
		} else {
			tenant, err := db.TenantCacheManager.FetchDomainById(ctx, rowMap["domain_id"])
			if err == nil {
				dictionaryVal := GetGlobalSettingsDictionary(ctx, "domain")
				res.Set("tenant", jsonutils.NewString(fmt.Sprintf("%s%s", tenant.GetProjectDomain(), dictionaryVal)))
			}
		}
	}
	return res
}

func GetGlobalSettingsDictionary(ctx context.Context, param string) (val string) {
	s := auth.GetAdminSession(ctx, "")
	globalSettings, err := yunionconf.Parameters.GetGlobalSettings(s, jsonutils.NewDict())
	if err != nil {
		log.Errorf("GetGlobalSettings err:%v", err)
		return
	}
	dictionary, err := globalSettings.Get("value", "dictionary")
	if err != nil {
		log.Errorf("can not get dictionary:%s", globalSettings.String())
		return
	}
	lang := appctx.Lang(ctx)
	switch lang {
	case language.English:
		val, _ = dictionary.GetString("en", param)
	default:
		val, _ = dictionary.GetString("zh", param)
	}
	return
}

func (man *SCommonAlertManager) CustomizeFilterList(
	ctx context.Context, q *sqlchemy.SQuery,
	userCred mcclient.TokenCredential, query jsonutils.JSONObject) (
	*db.CustomizeListFilters, error) {
	filters, err := man.SAlertManager.CustomizeFilterList(ctx, q, userCred, query)
	if err != nil {
		return nil, err
	}
	input := new(monitor.CommonAlertListInput)
	if err := query.Unmarshal(input); err != nil {
		return nil, err
	}
	wrapF := func(f func(obj *SCommonAlert) (bool, error)) func(object jsonutils.JSONObject) (bool, error) {
		return func(data jsonutils.JSONObject) (bool, error) {
			id, err := data.GetString("id")
			if err != nil {
				return true, nil
			}
			obj, err := man.GetAlert(id)
			if err != nil {
				return false, err
			}
			return f(obj)
		}
	}

	if input.Metric != "" {
		metric := input.Metric
		meaurement, field, err := GetMeasurementField(metric)
		if err != nil {
			return nil, err
		}
		mF := func(obj *SCommonAlert) (bool, error) {
			settings := new(monitor.AlertSetting)
			if err := obj.Settings.Unmarshal(settings); err != nil {
				return false, errors.Wrapf(err, "alert %s unmarshal", obj.GetId())
			}
			for _, s := range settings.Conditions {
				if s.Query.Model.Measurement == meaurement && len(s.Query.Model.Selects) == 1 {
					if IsQuerySelectHasField(s.Query.Model.Selects[0], field) {
						return true, nil
					}
				}
			}
			return false, nil
		}
		filters.Append(wrapF(mF))
	}

	if input.AlertType != "" {
		filters.Append(wrapF(func(obj *SCommonAlert) (bool, error) {
			return obj.getAlertType() == input.AlertType, nil
		}))
	}

	if len(input.ResType) != 0 {
		mF := func(obj *SCommonAlert) (bool, error) {
			settings := new(monitor.AlertSetting)
			if err := obj.Settings.Unmarshal(settings); err != nil {
				return false, errors.Wrapf(err, "alert %s unmarshal", obj.GetId())
			}
			for _, s := range settings.Conditions {
				if mesurement, contain := MetricMeasurementManager.measurementsCache.Get(s.Query.Model.
					Measurement); contain {
					if utils.IsInStringArray(mesurement.ResType, input.ResType) {
						return true, nil
					}
				}
			}
			return false, nil
		}
		filters.Append(wrapF(mF))
	}
	return filters, nil
}

func (man *SCommonAlertManager) GetAlert(id string) (*SCommonAlert, error) {
	obj, err := man.FetchById(id)
	if err != nil {
		return nil, err
	}
	return obj.(*SCommonAlert), nil
}

func (manager *SCommonAlertManager) GetAlerts(input monitor.CommonAlertListInput) ([]SCommonAlert, error) {
	alerts := make([]SCommonAlert, 0)
	query := manager.Query()
	manager.FieldListFilter(query, input)
	err := db.FetchModelObjects(manager, query, &alerts)
	if err != nil {
		return nil, errors.Wrap(err, "SCommonAlertManagerGetAlerts err")
	}
	return alerts, nil
}

func (man *SCommonAlertManager) FetchCustomizeColumns(
	ctx context.Context,
	userCred mcclient.TokenCredential,
	query jsonutils.JSONObject,
	objs []interface{},
	fields stringutils2.SSortedStrings,
	isList bool,
) []monitor.CommonAlertDetails {
	rows := make([]monitor.CommonAlertDetails, len(objs))
	alertRows := man.SAlertManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
	for i := range rows {
		rows[i].AlertDetails = alertRows[i]
		var err error
		rows[i], err = objs[i].(ICommonAlert).GetMoreDetails(ctx, rows[i])
		if err != nil {
			log.Warningf("GetMoreDetails for alert %s: %v", rows[i].Name, err)
		}
	}
	return rows
}

func (alert *SCommonAlert) validateDeleteCondition(ctx context.Context, out *monitor.CommonAlertDetails) {
	alert_type := alert.getAlertType()
	switch alert_type {
	case monitor.CommonAlertSystemAlertType:
		je := httperrors.NewInputParameterError("Cannot delete system alert")
		out.CanDelete = false
		out.DeleteFailReason = httperrors.NewErrorFromJCError(ctx, je)
	default:
	}
}

func (alert *SCommonAlert) AllowDeleteItem(ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) bool {
	isForce, _ := data.Bool("force")
	if isForce {
		return isForce
	}
	alert_type := alert.getAlertType()
	switch alert_type {
	case monitor.CommonAlertSystemAlertType:
		return false
	default:
		return true
	}
}

func (alert *SCommonAlert) GetMoreDetails(ctx context.Context, out monitor.CommonAlertDetails) (monitor.CommonAlertDetails, error) {
	alert.validateDeleteCondition(ctx, &out)

	var err error
	alertNotis, err := alert.GetNotifications()
	if err != nil {
		return out, errors.Wrap(err, "GetNotifications")
	}
	channel := sets.String{}
	for i, alertNoti := range alertNotis {
		noti, err := alertNoti.GetNotification()
		if err != nil {
			return out, errors.Wrap(err, "get notify")
		}
		settings := new(monitor.NotificationSettingOneCloud)
		if err := noti.Settings.Unmarshal(settings); err != nil {
			return out, errors.Wrap(err, "Unmarshal to NotificationSettingOneCloud")
		}
		if i == 0 {
			out.Recipients = settings.UserIds
		}
		if !utils.IsInStringArray(settings.Channel,
			[]string{monitor.DEFAULT_SEND_NOTIFY_CHANNEL, string(notify.NotifyByRobot)}) {
			channel.Insert(settings.Channel)
		}
		if noti.Frequency != 0 {
			out.SilentPeriod = fmt.Sprintf("%dm", noti.Frequency/60)
		}
		if len(settings.RobotIds) != 0 {
			out.RobotIds = settings.RobotIds
		}
		if len(settings.RoleIds) != 0 {
			out.RoleIds = settings.RoleIds
		}
	}
	out.Channel = channel.List()
	out.Status = alert.GetStatus()
	out.AlertType = alert.getAlertType()
	if alert.Frequency < 60 {
		out.Period = fmt.Sprintf("%ds", alert.Frequency)
	} else {
		out.Period = fmt.Sprintf("%dm", alert.Frequency/60)
	}
	out.AlertDuration = alert.For / alert.Frequency
	if out.AlertDuration == 0 {
		out.AlertDuration = 1
	}

	if err := alert.getCommonAlertMetricDetails(&out); err != nil {
		return out, errors.Wrap(err, "getCommonAlertMetricDetails")
	}
	return out, nil
}

func (alert *SCommonAlert) getCommonAlertMetricDetails(out *monitor.CommonAlertDetails) error {
	metricDetails, err := alert.GetCommonAlertMetricDetails()
	if err != nil {
		return err
	}
	out.CommonAlertMetricDetails = metricDetails
	return nil
}

func (alert *SCommonAlert) GetCommonAlertMetricDetails() ([]*monitor.CommonAlertMetricDetails, error) {
	setting, err := alert.GetSettings()
	if err != nil {
		return nil, errors.Wrap(err, "get alert settings")
	}
	if len(setting.Conditions) == 0 {
		return nil, nil
	}
	ret := make([]*monitor.CommonAlertMetricDetails, len(setting.Conditions))
	for i, cond := range setting.Conditions {
		metricDetails := alert.GetCommonAlertMetricDetailsFromAlertCondition(i, &cond)
		ret[i] = metricDetails
		setting.Conditions[i] = cond
	}
	// side effect, update setting cause of setting.Conditions has changed by GetCommonAlertMetricDetailsFromAlertCondition
	alert.Settings = jsonutils.Marshal(setting)
	return ret, nil
}

func (alert *SCommonAlert) GetCommonAlertMetricDetailsFromAlertCondition(index int, cond *monitor.AlertCondition) *monitor.CommonAlertMetricDetails {
	fieldOpt := alert.getFieldOpt()
	metricDetails := new(monitor.CommonAlertMetricDetails)
	if fieldOpt != "" {
		metricDetails.FieldOpt = strings.Split(fieldOpt, "+")[index]
	}
	poinStr := alert.getPointStr()
	if len(poinStr) != 0 {
		bl, _ := strconv.ParseBool(poinStr)
		metricDetails.GetPointStr = bl
	}
	getCommonAlertMetricDetailsFromCondition(cond, metricDetails)
	return metricDetails
}

func getCommonAlertMetricDetailsFromCondition(cond *monitor.AlertCondition,
	metricDetails *monitor.CommonAlertMetricDetails) {
	cmp := ""
	switch cond.Evaluator.Type {
	case "gt":
		cmp = ">="
	case "eq":
		cmp = "=="
	case "lt":
		cmp = "<="
	}
	metricDetails.Comparator = cmp

	if len(cond.Evaluator.Params) != 0 {
		metricDetails.Threshold = cond.Evaluator.Params[0]
	}
	metricDetails.Reduce = cond.Reducer.Type

	metricDetails.ConditionType = cond.Type
	if metricDetails.ConditionType == monitor.METRIC_QUERY_TYPE_NO_DATA {
		metricDetails.ThresholdStr = monitor.METRIC_QUERY_NO_DATA_THESHOLD
		metricDetails.Comparator = monitor.METRIC_QUERY_NO_DATA_THESHOLD
	}

	q := cond.Query
	measurement := q.Model.Measurement
	field := ""
	for i, sel := range q.Model.Selects {
		if i == 0 {
			field = sel[0].Params[0]
			continue
		}
		if metricDetails.FieldOpt != "" {
			field = fmt.Sprintf("%s%s%s", field, metricDetails.FieldOpt, sel[0].Params[0])
		}
	}
	//field := q.Model.Selects[0][0].Params[0]
	db := q.Model.Database
	var groupby string
	for _, grb := range q.Model.GroupBy {
		if grb.Type == "tag" {
			groupby = grb.Params[0]
			break
		}
	}
	cond.Query.Model.Tags = filterDefaultTags(q.Model.Tags)
	metricDetails.Measurement = measurement
	metricDetails.Field = field
	metricDetails.DB = db
	metricDetails.Groupby = groupby
	metricDetails.Filters = cond.Query.Model.Tags

	//fill measurement\field desciption info
	getMetricDescriptionDetails(metricDetails)
}

func filterDefaultTags(queryTag []monitor.MetricQueryTag) []monitor.MetricQueryTag {
	newQueryTags := make([]monitor.MetricQueryTag, 0)
	for i, tagFilter := range queryTag {
		if tagFilter.Key == "tenant_id" {
			continue
		}
		if tagFilter.Key == "domain_id" {
			continue
		}
		if tagFilter.Key == hostconsts.TELEGRAF_TAG_KEY_RES_TYPE {
			continue
		}
		newQueryTags = append(newQueryTags, queryTag[i])
	}
	return newQueryTags
}

func getMetricDescriptionDetails(metricDetails *monitor.CommonAlertMetricDetails) {
	influxdbMeasurements := DataSourceManager.getMetricDescriptions([]monitor.InfluxMeasurement{
		{Measurement: metricDetails.Measurement},
	})
	if len(influxdbMeasurements) == 0 {
		return
	}
	if len(influxdbMeasurements[0].MeasurementDisplayName) != 0 {
		metricDetails.MeasurementDisplayName = influxdbMeasurements[0].MeasurementDisplayName
	}
	if len(influxdbMeasurements[0].ResType) != 0 {
		metricDetails.ResType = influxdbMeasurements[0].ResType
	}
	fields := make([]string, 0)
	if len(metricDetails.FieldOpt) != 0 {
		fields = append(fields, strings.Split(metricDetails.Field, metricDetails.FieldOpt)...)
	} else {
		fields = append(fields, metricDetails.Field)
	}
	for _, field := range fields {
		if influxdbMeasurements[0].FieldDescriptions == nil {
			return
		}
		if fieldDes, ok := influxdbMeasurements[0].FieldDescriptions[field]; ok {
			metricDetails.FieldDescription = fieldDes
			if utils.IsInStringArray(metricDetails.FieldDescription.Unit, []string{
				monitor.METRIC_UNIT_COUNT,
				monitor.METRIC_UNIT_NULL,
			}) {
				metricDetails.FieldDescription.Unit = ""
			}
			if len(metricDetails.FieldOpt) != 0 {
				metricDetails.FieldDescription.Name = metricDetails.Field
				metricDetails.FieldDescription.DisplayName = metricDetails.Field
				getExtraFieldDetails(metricDetails)
				break
			}
		}
	}
}

func getExtraFieldDetails(metricDetails *monitor.CommonAlertMetricDetails) {
	if metricDetails.FieldOpt == monitor.CommonAlertFieldOpt_Division && metricDetails.Threshold < float64(1) {
		metricDetails.Threshold = metricDetails.Threshold * float64(100)
		metricDetails.FieldDescription.Unit = "%"
	}
}

func getQueryEvalType(evalType string) string {
	typ := ""
	switch evalType {
	case ">=", ">":
		typ = "gt"
	case "<=", "<":
		typ = "lt"
	case "==":
		typ = "eq"
	}
	return typ
}

func (man *SCommonAlertManager) toAlertCreatInput(input monitor.CommonAlertCreateInput) monitor.AlertCreateInput {
	freq, _ := time.ParseDuration(input.Period)
	ret := new(monitor.AlertCreateInput)
	ret.Name = input.Name
	ret.Frequency = int64(freq / time.Second)
	if input.AlertDuration != 1 {
		ret.For = ret.Frequency * input.AlertDuration
	}
	ret.Level = input.Level
	//ret.Settings =monitor.AlertSetting{}
	for _, metricquery := range input.CommonMetricInputQuery.MetricQuery {
		conditionType := "query"
		if len(metricquery.ConditionType) != 0 {
			conditionType = metricquery.ConditionType
		}
		condition := monitor.AlertCondition{
			Type:    conditionType,
			Query:   *metricquery.AlertQuery,
			Reducer: monitor.Condition{Type: metricquery.Reduce},
			Evaluator: monitor.Condition{Type: getQueryEvalType(metricquery.Comparator),
				Params: []float64{fieldOperatorThreshold(metricquery.FieldOpt, metricquery.Threshold)}},
			Operator: "and",
		}
		if metricquery.FieldOpt != "" {
			condition.Reducer.Operators = []string{metricquery.FieldOpt}
		}
		ret.Settings.Conditions = append(ret.Settings.Conditions, condition)
	}
	return *ret
}

func fieldOperatorThreshold(opt string, threshold float64) float64 {
	if opt == monitor.CommonAlertFieldOpt_Division && threshold > 1 {
		return threshold / float64(100)
	}
	return threshold
}

func (alert *SCommonAlert) ValidateUpdateData(
	ctx context.Context,
	userCred mcclient.TokenCredential,
	query jsonutils.JSONObject,
	data *jsonutils.JSONDict,
) (*jsonutils.JSONDict, error) {
	generateName, _ := data.GetString("generate_name")
	if len(generateName) != 0 && alert.Name != generateName {
		name, err := db.GenerateName(ctx, CommonAlertManager, userCred, generateName)
		if err != nil {
			return data, err
		}
		data.Set("name", jsonutils.NewString(name))
	}
	statusUpdate := apis.StatusStandaloneResourceBaseUpdateInput{}
	data.Unmarshal(&statusUpdate)
	_, err := alert.SAlert.SStatusStandaloneResourceBase.ValidateUpdateData(ctx, userCred, query, statusUpdate)
	if err != nil {
		return data, errors.Wrap(err, "SStandaloneResourceBase.ValidateUpdateData")
	}
	updataInput := new(monitor.CommonAlertUpdateInput)
	if period, _ := data.GetString("period"); len(period) > 0 {
		if _, err := time.ParseDuration(period); err != nil {
			return data, httperrors.NewInputParameterError("Invalid period format: %s", period)
		}
		if period != "" {
			frep, _ := time.ParseDuration(period)
			freqSpec := int64(frep / time.Second)
			dur, _ := data.Int("alert_duration")
			if dur > 1 {
				alertFor := freqSpec * dur
				data.Set("for", jsonutils.NewInt(alertFor))
			}
			data.Set("frequency", jsonutils.NewInt(freqSpec))
		}
	}
	if silentPeriod, _ := data.GetString("silent_period"); len(silentPeriod) > 0 {
		if _, err := time.ParseDuration(silentPeriod); err != nil {
			return data, httperrors.NewInputParameterError("Invalid silent_period format: %s", silentPeriod)
		}
	}

	tmp := jsonutils.NewArray()
	if metric_query, _ := data.GetArray("metric_query"); len(metric_query) > 0 {
		for i := range metric_query {
			query := new(monitor.CommonAlertQuery)
			err := metric_query[i].Unmarshal(query)
			if err != nil {
				return data, errors.Wrap(err, "metric_query Unmarshal error")
			}
			if query.ConditionType == monitor.METRIC_QUERY_TYPE_NO_DATA {
				query.Comparator = "=="
			}
			if !utils.IsInStringArray(getQueryEvalType(query.Comparator), validators.EvaluatorDefaultTypes) {
				return data, httperrors.NewInputParameterError("the Comparator is illegal: %s", query.Comparator)
			}
			if _, ok := monitor.AlertReduceFunc[query.Reduce]; !ok {
				return data, httperrors.NewInputParameterError("the reduce is illegal: %s", query.Reduce)
			}
			/*if query.Threshold == 0 {
				return data, httperrors.NewInputParameterError("threshold is meaningless")
			}*/
			if strings.Contains(query.From, "now-") {
				query.To = "now"
				query.From = "1h"
			}
			tmp.Add(jsonutils.Marshal(query))
		}
		data.Add(tmp, "metric_query")
		metricQuery := new(monitor.CommonMetricInputQuery)
		err := data.Unmarshal(metricQuery)
		if err != nil {
			return data, errors.Wrap(err, "metric_query Unmarshal error")
		}
		scope, _ := data.GetString("scope")
		ownerId := CommonAlertManager.GetOwnerId(ctx, userCred, data)
		err = CommonAlertManager.ValidateMetricQuery(metricQuery, scope, ownerId)
		if err != nil {
			return data, errors.Wrap(err, "metric query error")
		}
		if alert.getAlertType() == monitor.CommonAlertSystemAlertType {
			forceUpdate, _ := data.Bool("force_update")
			if !forceUpdate {
				return data, nil
			}
		}
		data.Update(jsonutils.Marshal(metricQuery))
		err = data.Unmarshal(updataInput)
		if err != nil {
			return data, errors.Wrap(err, "updataInput Unmarshal err")
		}
		alertCreateInput := alert.getUpdateAlertInput(*updataInput)
		alertCreateInput, err = AlertManager.ValidateCreateData(ctx, userCred, nil, query, alertCreateInput)
		if err != nil {
			return data, err
		}
		data.Set("settings", jsonutils.Marshal(&alertCreateInput.Settings))
		updataInput.AlertUpdateInput, err = alert.SAlert.ValidateUpdateData(ctx, userCred, query, updataInput.AlertUpdateInput)
		if err != nil {
			return data, errors.Wrap(err, "SAlert.ValidateUpdateData")
		}
		updataInput.For = alertCreateInput.For
		data.Update(jsonutils.Marshal(updataInput))
	}
	return data, nil
}

func (manager *SCommonAlertManager) GetOwnerId(ctx context.Context, userCred mcclient.TokenCredential, data jsonutils.JSONObject) mcclient.IIdentityProvider {
	ownId, _ := CommonAlertManager.FetchOwnerId(ctx, data)
	if ownId == nil {
		ownId = userCred
	}
	return ownId
}

func (alert *SCommonAlert) PostUpdate(
	ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) {
	updateInput := new(monitor.CommonAlertUpdateInput)
	data.Unmarshal(updateInput)
	if len(updateInput.Channel) != 0 {
		if err := alert.UpdateNotification(ctx, userCred, query, data); err != nil {
			log.Errorf("update notification error: %v", err)
		}
	}
	if _, err := data.GetString("scope"); err == nil {
		_, err = alert.PerformSetScope(ctx, userCred, query, data)
		if err != nil {
			log.Errorf("Alert PerformSetScope: %v", err)
		}
	}
	if updateInput.GetPointStr {
		alert.setPointStr(ctx, userCred, strconv.FormatBool(updateInput.GetPointStr))
	}
	if len(updateInput.MetaName) != 0 {
		alert.setMetaName(ctx, userCred, updateInput.MetaName)
	}
	CommonAlertManager.SetSubscriptionAlert(alert)
	alert.StartUpdateMonitorAlertJointTask(ctx, userCred)
}

func (alert *SCommonAlert) UpdateNotification(ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) error {
	err := alert.customizeDeleteNotis(ctx, userCred, query, data)
	if err != nil {
		return errors.Wrap(err, "update notification err")
	}
	name, _ := data.GetString("name")
	if len(name) == 0 {
		data.(*jsonutils.JSONDict).Add(jsonutils.NewString(alert.Name), "name")
	}
	err = alert.customizeCreateNotis(ctx, userCred, query, data)
	if err != nil {
		log.Errorf("customizeCreateNotis for %s(%s): %v", alert.GetName(), alert.GetId(), err)
	}
	return err
}

func (alert *SCommonAlert) getUpdateAlertInput(updateInput monitor.CommonAlertUpdateInput) monitor.AlertCreateInput {
	input := monitor.CommonAlertCreateInput{
		CommonMetricInputQuery: updateInput.CommonMetricInputQuery,
		Period:                 updateInput.Period,
	}
	input.AlertDuration = updateInput.AlertDuration
	alertCreateInput := CommonAlertManager.toAlertCreatInput(input)
	return alertCreateInput
}

func (alert *SCommonAlert) CustomizeDelete(
	ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) error {
	alert.SetStatus(userCred, monitor.ALERT_STATUS_DELETING, "")
	err := alert.customizeDeleteNotis(ctx, userCred, query, data)
	if err != nil {
		alert.SetStatus(userCred, monitor.ALERT_STATUS_DELETE_FAIL, "")
		return errors.Wrap(err, "customizeDeleteNotis")
	}
	alert.StartDeleteTask(ctx, userCred)
	alert.StartDetachMonitorAlertJointTask(ctx, userCred)
	return alert.SAlert.CustomizeDelete(ctx, userCred, query, data)
}

func (alert *SCommonAlert) RealDelete(ctx context.Context, userCred mcclient.TokenCredential) error {
	return alert.SStandaloneResourceBase.Delete(ctx, userCred)
}

func (self *SCommonAlert) StartDeleteTask(ctx context.Context, userCred mcclient.TokenCredential) {
	RunModelTask("DeleteAlertRecordTask", self, func() error {
		onErr := func(err error) {
			msg := jsonutils.NewString(err.Error())
			// db.OpsLog.LogEvent(self, db.ACT_DELETE_FAIL, msg, userCred)
			logclient.AddActionLogWithContext(ctx, self, logclient.ACT_DELETE, msg, userCred, false)
		}

		errs := self.DeleteAttachAlertRecords(ctx, userCred)
		if len(errs) != 0 {
			err := errors.Wrapf(errors.NewAggregate(errs), "DeleteAttachAlertRecords of %s", self.GetName())
			onErr(err)
			return err
		}
		if err := self.RealDelete(ctx, userCred); err != nil {
			err = errors.Wrapf(err, "RealDelete CommonAlert %s", self.GetName())
			onErr(err)
			return err
		}

		// db.OpsLog.LogEvent(self, db.ACT_DELETE, nil, userCred)
		logclient.AddActionLogWithContext(ctx, self, logclient.ACT_DELETE, nil, userCred, true)
		return nil
	})
}

func (self *SCommonAlert) DeleteAttachAlertRecords(ctx context.Context, userCred mcclient.TokenCredential) (errs []error) {
	records, err := AlertRecordManager.GetAlertRecordsByAlertId(self.GetId())
	if err != nil {
		errs = append(errs, errors.Wrap(err, "GetAlertRecordsByAlertId error"))
		return
	}
	for i, _ := range records {
		err := records[i].Delete(ctx, userCred)
		if err != nil {
			errs = append(errs, errors.Wrapf(err, "delete attach record:%s error", records[i].GetId()))
		}
	}
	return
}

func (alert *SCommonAlert) customizeDeleteNotis(
	ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) error {
	return alert.deleteNotifications(ctx, userCred, query, data)
}

func (alert *SCommonAlert) Delete(ctx context.Context, userCred mcclient.TokenCredential) error {
	CommonAlertManager.DeleteSubscriptionAlert(alert)

	return nil
}

func (self *SCommonAlertManager) GetSystemAlerts() ([]SCommonAlert, error) {
	objs := make([]SCommonAlert, 0)
	q := CommonAlertManager.Query()
	metaData := db.Metadata.Query().SubQuery()
	q.Join(metaData, sqlchemy.Equals(
		metaData.Field("obj_id"), q.Field("id")))
	q.Filter(sqlchemy.AND(sqlchemy.Equals(metaData.Field("key"), CommonAlertMetadataAlertType),
		sqlchemy.Equals(metaData.Field("value"), monitor.CommonAlertSystemAlertType)))
	err := db.FetchModelObjects(self, q, &objs)
	if err != nil {
		return nil, err
	}
	return objs, nil
}

func (alert *SCommonAlert) PerformSetScope(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error) {
	domainId := jsonutils.GetAnyString(data, []string{"domain_id", "domain", "project_domain_id", "project_domain"})
	projectId := jsonutils.GetAnyString(data, []string{"project_id", "project"})
	if len(domainId) == 0 && len(projectId) == 0 {
		scope, _ := data.GetString("scope")
		if len(scope) != 0 {
			switch rbacscope.TRbacScope(scope) {
			case rbacscope.ScopeSystem:

			case rbacscope.ScopeDomain:
				domainId = userCred.GetProjectDomainId()
				data.(*jsonutils.JSONDict).Set("domain_id", jsonutils.NewString(domainId))
			case rbacscope.ScopeProject:
				projectId = userCred.GetProjectId()
				data.(*jsonutils.JSONDict).Set("project_id", jsonutils.NewString(projectId))
			}
		}
	}
	return db.PerformSetScope(ctx, alert, userCred, data)
}

func (manager *SCommonAlertManager) QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error) {
	var err error
	q, err = manager.SStatusStandaloneResourceBaseManager.QueryDistinctExtraField(q, field)
	if err == nil {
		return q, nil
	}
	q, err = manager.SScopedResourceBaseManager.QueryDistinctExtraField(q, field)
	if err == nil {
		return q, nil
	}
	switch field {
	case "status":
		q.AppendField(sqlchemy.DISTINCT(field, q.Field("status"))).Distinct()
		return q, nil
	case "res_type":
		resTypeQuery := MetricMeasurementManager.Query("res_type").Distinct()
		return resTypeQuery, nil
	}
	return q, httperrors.ErrNotFound
}

func (alert *SCommonAlert) PerformConfig(ctx context.Context, userCred mcclient.TokenCredential,
	query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error) {
	period, _ := data.GetString("period")
	comparator, _ := data.GetString("comparator")
	threshold, _ := data.GetString("threshold")
	if len(period) != 0 {
		if _, err := time.ParseDuration(period); err != nil {
			return data, httperrors.NewInputParameterError("Invalid period format: %s", period)
		}
	}
	if len(comparator) != 0 {
		if !utils.IsInStringArray(getQueryEvalType(comparator), validators.EvaluatorDefaultTypes) {
			return data, httperrors.NewInputParameterError("the Comparator is illegal: %s", comparator)
		}
	}
	if len(threshold) != 0 {
		_, err := strconv.ParseFloat(threshold, 64)
		if err != nil {
			return data, httperrors.NewInputParameterError("threshold:%s should be number type", threshold)
		}
	}
	_, err := db.Update(alert, func() error {
		if len(period) != 0 {
			freq, _ := time.ParseDuration(period)
			alert.Frequency = int64(freq / time.Second)
		}
		setting, _ := alert.GetSettings()
		if len(comparator) != 0 {
			setting.Conditions[0].Evaluator.Type = getQueryEvalType(comparator)

		}
		if len(threshold) != 0 {
			val, _ := strconv.ParseFloat(threshold, 64)
			fmt.Println(threshold)
			setting.Conditions[0].Evaluator.Params = []float64{fieldOperatorThreshold("", val)}
		}
		alert.Settings = jsonutils.Marshal(setting)
		return nil
	})
	PerformConfigLog(alert, userCred)
	return jsonutils.Marshal(alert), err
}

func PerformConfigLog(model db.IModel, userCred mcclient.TokenCredential) {
	// db.OpsLog.LogEvent(model, db.ACT_UPDATE_RULE, "", userCred)
	logclient.AddSimpleActionLog(model, logclient.ACT_UPDATE_RULE, nil, userCred, true)
}

func (alert *SCommonAlert) PerformEnable(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, input apis.PerformEnableInput) (jsonutils.JSONObject, error) {
	err := db.EnabledPerformEnable(alert, ctx, userCred, true)
	if err != nil {
		return nil, errors.Wrap(err, "EnabledPerformEnable")
	}
	alert.StartUpdateMonitorAlertJointTask(ctx, userCred)
	return nil, nil
}

func (alert *SCommonAlert) PerformDisable(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, input apis.PerformDisableInput) (jsonutils.JSONObject, error) {
	err := db.EnabledPerformEnable(alert, ctx, userCred, false)
	if err != nil {
		return nil, errors.Wrap(err, "EnabledPerformEnable")
	}
	err = alert.StartDetachTask(ctx, userCred)
	if err != nil {
		return nil, errors.Wrap(err, "alert StartDetachTask error")
	}
	return nil, nil
}

func (alert *SCommonAlert) StartDetachTask(ctx context.Context, userCred mcclient.TokenCredential) error {
	RunModelTask("DetachAlertResourceTask", alert, func() error {
		onErr := func(err error) {
			msg := jsonutils.NewString(err.Error())
			// db.OpsLog.LogEvent(alert, db.ACT_DETACH, msg, userCred)
			logclient.AddActionLogWithContext(ctx, alert, logclient.ACT_DETACH_ALERTRESOURCE, msg, userCred, false)
		}
		errs := alert.DetachAlertResourceOnDisable(ctx, userCred)
		if len(errs) != 0 {
			err := errors.Wrapf(errors.NewAggregate(errs), "DetachAlertResourceOnDisable of alert %s", alert.GetName())
			onErr(err)
			return err
		}
		if err := MonitorResourceAlertManager.DetachJoint(ctx, userCred,
			monitor.MonitorResourceJointListInput{AlertId: alert.GetId()}); err != nil {
			log.Errorf("DetachJoint when alert(%s) disable: %v", alert.GetName(), err)
		}
		logclient.AddActionLogWithContext(ctx, alert, logclient.ACT_DETACH_ALERTRESOURCE, nil, userCred, true)
		return nil
	})
	return nil
}

func (alert *SCommonAlert) DetachAlertResourceOnDisable(ctx context.Context,
	userCred mcclient.TokenCredential) (errs []error) {
	return CommonAlertManager.DetachAlertResourceByAlertId(ctx, userCred, alert.Id)
}

func (manager *SCommonAlertManager) DetachAlertResourceByAlertId(ctx context.Context,
	userCred mcclient.TokenCredential, alertId string) (errs []error) {
	resources, err := GetAlertResourceManager().getResourceFromAlertId(alertId)
	if err != nil {
		errs = append(errs, errors.Wrap(err, "getResourceFromAlert error"))
		return
	}
	for _, resource := range resources {
		err := resource.DetachAlert(ctx, userCred, alertId)
		if err != nil {
			errs = append(errs, errors.Wrapf(err, "resource:%s DetachAlert:%s err", resource.Id, alertId))
		}
	}
	return
}

func (alert *SCommonAlert) StartUpdateMonitorAlertJointTask(ctx context.Context, userCred mcclient.TokenCredential) {
	RunModelTask("UpdateMonitorResourceJointTask", alert, func() error {
		if err := alert.UpdateMonitorResourceJoint(ctx, userCred); err != nil {
			return errors.Wrapf(err, "UpdateMonitorResourceJoint of alert %s", alert.GetName())
		}
		return nil
	})
}

func (alert *SCommonAlert) UpdateMonitorResourceJoint(ctx context.Context, userCred mcclient.TokenCredential) error {
	var resType string
	setting, _ := alert.GetSettings()
	for _, con := range setting.Conditions {
		measurement, _ := MetricMeasurementManager.GetCache().Get(con.Query.Model.Measurement)
		if measurement == nil {
			resType = monitor.METRIC_RES_TYPE_HOST
		} else {
			resType = measurement.ResType
		}
	}
	ret, err := alert.TestRunAlert(userCred, monitor.AlertTestRunInput{})
	if err != nil {
		return errors.Wrapf(err, "TestRunAlert %s", alert.GetName())
	}
	resourceIds := make([]string, 0)
	for _, em := range ret.EvalMatches {
		resourceKeyId := monitor.MEASUREMENT_TAG_ID[resType]
		resourceId := em.Tags[resourceKeyId]
		if len(resourceId) == 0 {
			continue
		}
		resourceIds = append(resourceIds, resourceId)
	}
	deleteJointIds := make([]int64, 0)
	joints, _ := MonitorResourceAlertManager.GetJoinsByListInput(monitor.MonitorResourceJointListInput{AlertId: alert.GetId()})
jointLoop:
	for _, joint := range joints {
		for i, resId := range resourceIds {
			if resId == joint.MonitorResourceId {
				resourceIds = append(resourceIds[0:i], resourceIds[i+1:]...)
				continue jointLoop
			}
		}
		// 排除近期有报警状态的情况：system.uptime
		if joint.AlertState == monitor.MONITOR_RESOURCE_ALERT_STATUS_ALERTING && time.Now().Sub(joint.TriggerTime).
			Minutes() < 30 {
			continue
		}
		deleteJointIds = append(deleteJointIds, joint.RowId)
	}

	if len(resourceIds) == 0 && len(deleteJointIds) == 0 {
		return nil
	}
	//  sync joints should be deleted
	if len(deleteJointIds) > 0 {
		err := MonitorResourceAlertManager.DetachJoint(ctx, userCred, monitor.MonitorResourceJointListInput{JointId: deleteJointIds})
		if err != nil {
			return errors.Wrapf(err, "DetachJoint by alert %s(%s)", alert.GetName(), alert.GetId())
		}
	}

	if len(resourceIds) > 0 {
		monitorResources, _ := MonitorResourceManager.GetMonitorResources(monitor.MonitorResourceListInput{ResId: resourceIds})
		errs := make([]error, 0)
		for _, monRes := range monitorResources {
			resDesc := fmt.Sprintf("%s/%s/%s", monRes.ResType, monRes.GetName(), monRes.ResId)
			if err := monRes.AttachAlert(ctx, userCred, alert.GetId()); err != nil {
				errs = append(errs, errors.Wrapf(err, "AttachAlert %s to %s", alert.GetName(), resDesc))
			}
			if err := monRes.UpdateAlertState(); err != nil {
				errs = append(errs, errors.Wrapf(err, "UpdateAlertState for monitor resource %s", resDesc))
			}
		}

		if len(errs) != 0 {
			return errors.NewAggregate(errs)
		}
	}
	return nil
}

func (alert *SCommonAlert) StartDetachMonitorAlertJointTask(ctx context.Context, userCred mcclient.TokenCredential) {
	RunModelTask("DetachMonitorResourceJointTask", alert, func() error {
		if err := alert.DetachMonitorResourceJoint(ctx, userCred); err != nil {
			err = errors.Wrapf(err, "DetachMonitorResourceJoint of alert %s", alert.GetName())
			msg := jsonutils.NewString(err.Error())
			// db.OpsLog.LogEvent(alert, db.ACT_DETACH_MONITOR_RESOURCE_JOINT, msg, userCred)
			logclient.AddActionLogWithContext(ctx, alert, logclient.ACT_DETACH_MONITOR_RESOURCE_JOINT, msg, userCred, false)
			return err
		}
		logclient.AddActionLogWithContext(ctx, alert, logclient.ACT_DETACH_MONITOR_RESOURCE_JOINT, nil, userCred, true)
		return nil
	})
}

func (alert *SCommonAlert) DetachMonitorResourceJoint(ctx context.Context, userCred mcclient.TokenCredential) error {
	err := MonitorResourceAlertManager.DetachJoint(ctx, userCred, monitor.MonitorResourceJointListInput{AlertId: alert.GetId()})
	if err != nil {
		return errors.Wrap(err, "SCommonAlert DetachJoint err")
	}
	return nil
}

func (alert *SCommonAlert) UpdateResType() error {
	setting, _ := alert.GetSettings()
	if len(setting.Conditions) == 0 {
		return nil
	}
	measurement, _ := MetricMeasurementManager.GetCache().Get(setting.Conditions[0].Query.Model.Measurement)
	if measurement == nil {
		return nil
	}
	_, err := db.Update(alert, func() error {
		alert.ResType = measurement.ResType
		return nil
	})
	if err != nil {
		return errors.Wrapf(err, "alert:%s UpdateResType err", alert.Name)
	}
	return nil
}

type SCompanyInfo struct {
	Copyright string `json:"copyright"`
	Name      string `json:"name"`
}

func GetCompanyInfo(ctx context.Context) (SCompanyInfo, error) {
	/* info, err := getBrandFromCopyrightApi(ctx)
	if err == nil && len(info.Name) != 0 {
		return *info, nil
	}
	if err != nil {
		log.Errorf("getBrandFromCopyrightApi err:%v", err)
	}
	return getBrandFromInfoApi(ctx)
	*/
	return SCompanyInfo{
		Name: options.Options.GetPlatformName(appctx.Lang(ctx)),
	}, nil
}

/*
func getBrandFromCopyrightApi(ctx context.Context) (*SCompanyInfo, error) {
	session := auth.GetAdminSession(context.Background(), "", "")
	obj, err := modules.Copyright.Update(session, "copyright", jsonutils.NewDict())
	if err != nil {
		return nil, err
	}
	var info SCompanyInfo
	lang := i18n.Lang(ctx)
	switch lang {
	case language.English:
		info.Name, _ = obj.GetString("brand_en")
	default:
		info.Name, _ = obj.GetString("brand_cn")
	}
	return &info, nil
}

func getBrandFromInfoApi(ctx context.Context) (SCompanyInfo, error) {
	session := auth.GetAdminSession(context.Background(), "", "")
	obj, err := modules.Info.Get(session, "info", jsonutils.NewDict())
	if err != nil {
		return SCompanyInfo{}, err
	}
	var info SCompanyInfo
	err = obj.Unmarshal(&info)
	if err != nil {
		return SCompanyInfo{}, err
	}
	if strings.Contains(info.Copyright, COMPANY_COPYRIGHT_ONECLOUD) {
		lang := i18n.Lang(ctx)
		switch lang {
		case language.English:
			info.Name = BRAND_ONECLOUD_NAME_EN
		default:
			info.Name = BRAND_ONECLOUD_NAME_CN
		}
	}
	return info, nil
}
*/