/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>
*/

package config

import (
	"fmt"
	"strconv"
	"time"

	"github.com/cgrates/cgrates/utils"
	"github.com/cgrates/rpcclient"
)

// NewDfltFsConnConfig returns the first cached default value for a FreeSWITCHAgent connection
func NewDfltFsConnConfig() *FsConnCfg {
	if dfltFsConnConfig == nil {
		return new(FsConnCfg) // No defaults, most probably we are building the defaults now
	}
	dfltVal := *dfltFsConnConfig // Copy the value instead of it's pointer
	return &dfltVal
}

// FsConnCfg one connection to FreeSWITCH server
type FsConnCfg struct {
	Address              string
	Password             string
	Reconnects           int
	MaxReconnectInterval time.Duration
	ReplyTimeout         time.Duration
	Alias                string
}

func (fs *FsConnCfg) loadFromJSONCfg(jsnCfg *FsConnJsonCfg) (err error) {
	if jsnCfg == nil {
		return
	}
	if jsnCfg.Address != nil {
		fs.Address = *jsnCfg.Address
	}
	if jsnCfg.Password != nil {
		fs.Password = *jsnCfg.Password
	}
	if jsnCfg.Reconnects != nil {
		fs.Reconnects = *jsnCfg.Reconnects
	}
	if jsnCfg.MaxReconnectInterval != nil {
		if fs.MaxReconnectInterval, err = utils.ParseDurationWithNanosecs(*jsnCfg.MaxReconnectInterval); err != nil {
			return
		}
	}
	if jsnCfg.ReplyTimeout != nil {
		if fs.ReplyTimeout, err = utils.ParseDurationWithNanosecs(*jsnCfg.ReplyTimeout); err != nil {
			return
		}
	}
	fs.Alias = fs.Address
	if jsnCfg.Alias != nil && *jsnCfg.Alias != "" {
		fs.Alias = *jsnCfg.Alias
	}

	return
}

// AsMapInterface returns the config as a map[string]any
func (fs *FsConnCfg) AsMapInterface() map[string]any {
	return map[string]any{
		utils.AddressCfg:              fs.Address,
		utils.Password:                fs.Password,
		utils.ReconnectsCfg:           fs.Reconnects,
		utils.MaxReconnectIntervalCfg: fs.MaxReconnectInterval.String(),
		utils.ReplyTimeoutCfg:         fs.ReplyTimeout.String(),
		utils.AliasCfg:                fs.Alias,
	}
}

// Clone returns a deep copy of FsConnCfg
func (fs FsConnCfg) Clone() *FsConnCfg {
	return &FsConnCfg{
		Address:              fs.Address,
		Password:             fs.Password,
		Reconnects:           fs.Reconnects,
		MaxReconnectInterval: fs.MaxReconnectInterval,
		ReplyTimeout:         fs.ReplyTimeout,
		Alias:                fs.Alias,
	}
}

// SessionSCfg is the config section for SessionS
type SessionSCfg struct {
	Enabled                bool
	ListenBijson           string
	ListenBigob            string
	ChargerSConns          []string
	RALsConns              []string
	ResSConns              []string
	ThreshSConns           []string
	StatSConns             []string
	RouteSConns            []string
	AttrSConns             []string
	CDRsConns              []string
	ReplicationConns       []string
	DebitInterval          time.Duration
	StoreSCosts            bool
	SessionTTL             time.Duration
	SessionTTLMaxDelay     *time.Duration
	SessionTTLLastUsed     *time.Duration
	SessionTTLUsage        *time.Duration
	SessionTTLLastUsage    *time.Duration
	SessionIndexes         utils.StringSet
	ClientProtocol         float64
	ChannelSyncInterval    time.Duration
	StaleChanMaxExtraUsage time.Duration
	TerminateAttempts      int
	AlterableFields        utils.StringSet
	MinDurLowBalance       time.Duration
	SchedulerConns         []string
	STIRCfg                *STIRcfg
	DefaultUsage           map[string]time.Duration
	BackupInterval         time.Duration
}

func (scfg *SessionSCfg) loadFromJSONCfg(jsnCfg *SessionSJsonCfg) (err error) {
	if jsnCfg == nil {
		return nil
	}
	if jsnCfg.Enabled != nil {
		scfg.Enabled = *jsnCfg.Enabled
	}
	if jsnCfg.Listen_bijson != nil {
		scfg.ListenBijson = *jsnCfg.Listen_bijson
	}
	if jsnCfg.Listen_bigob != nil {
		scfg.ListenBigob = *jsnCfg.Listen_bigob
	}
	if jsnCfg.Chargers_conns != nil {
		scfg.ChargerSConns = make([]string, len(*jsnCfg.Chargers_conns))
		for idx, connID := range *jsnCfg.Chargers_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.ChargerSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.ChargerSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaChargers)
			}
		}
	}
	if jsnCfg.Rals_conns != nil {
		scfg.RALsConns = make([]string, len(*jsnCfg.Rals_conns))
		for idx, connID := range *jsnCfg.Rals_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.RALsConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.RALsConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaResponder)
			}
		}
	}
	if jsnCfg.Resources_conns != nil {
		scfg.ResSConns = make([]string, len(*jsnCfg.Resources_conns))
		for idx, connID := range *jsnCfg.Resources_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.ResSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.ResSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaResources)
			}
		}
	}
	if jsnCfg.Thresholds_conns != nil {
		scfg.ThreshSConns = make([]string, len(*jsnCfg.Thresholds_conns))
		for idx, connID := range *jsnCfg.Thresholds_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.ThreshSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.ThreshSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaThresholds)
			}
		}
	}
	if jsnCfg.Stats_conns != nil {
		scfg.StatSConns = make([]string, len(*jsnCfg.Stats_conns))
		for idx, connID := range *jsnCfg.Stats_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.StatSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.StatSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaStats)
			}
		}
	}
	if jsnCfg.Routes_conns != nil {
		scfg.RouteSConns = make([]string, len(*jsnCfg.Routes_conns))
		for idx, connID := range *jsnCfg.Routes_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.RouteSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.RouteSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaRoutes)
			}
		}
	}
	if jsnCfg.Attributes_conns != nil {
		scfg.AttrSConns = make([]string, len(*jsnCfg.Attributes_conns))
		for idx, connID := range *jsnCfg.Attributes_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.AttrSConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.AttrSConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaAttributes)
			}
		}
	}
	if jsnCfg.Cdrs_conns != nil {
		scfg.CDRsConns = make([]string, len(*jsnCfg.Cdrs_conns))
		for idx, connID := range *jsnCfg.Cdrs_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.CDRsConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.CDRsConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaCDRs)
			}
		}
	}
	if jsnCfg.Replication_conns != nil {
		scfg.ReplicationConns = make([]string, len(*jsnCfg.Replication_conns))
		for idx, connID := range *jsnCfg.Replication_conns {
			if connID == utils.MetaInternal {
				return fmt.Errorf("Replication connection ID needs to be different than *internal")
			}
			scfg.ReplicationConns[idx] = connID
		}
	}
	if jsnCfg.Debit_interval != nil {
		if scfg.DebitInterval, err = utils.ParseDurationWithNanosecs(*jsnCfg.Debit_interval); err != nil {
			return err
		}
	}
	if jsnCfg.Store_session_costs != nil {
		scfg.StoreSCosts = *jsnCfg.Store_session_costs
	}
	if jsnCfg.Session_ttl != nil {
		if scfg.SessionTTL, err = utils.ParseDurationWithNanosecs(*jsnCfg.Session_ttl); err != nil {
			return err
		}
	}
	if jsnCfg.Session_ttl_max_delay != nil {
		var maxTTLDelay time.Duration
		if maxTTLDelay, err = utils.ParseDurationWithNanosecs(*jsnCfg.Session_ttl_max_delay); err != nil {
			return err
		}
		scfg.SessionTTLMaxDelay = &maxTTLDelay
	}
	if jsnCfg.Session_ttl_last_used != nil {
		var sessionTTLLastUsed time.Duration
		if sessionTTLLastUsed, err = utils.ParseDurationWithNanosecs(*jsnCfg.Session_ttl_last_used); err != nil {
			return err
		}
		scfg.SessionTTLLastUsed = &sessionTTLLastUsed
	}
	if jsnCfg.Session_ttl_usage != nil {
		var sessionTTLUsage time.Duration
		if sessionTTLUsage, err = utils.ParseDurationWithNanosecs(*jsnCfg.Session_ttl_usage); err != nil {
			return err
		}
		scfg.SessionTTLUsage = &sessionTTLUsage
	}
	if jsnCfg.Session_ttl_last_usage != nil {
		var sessionTTLLastUsage time.Duration
		if sessionTTLLastUsage, err = utils.ParseDurationWithNanosecs(*jsnCfg.Session_ttl_last_usage); err != nil {
			return err
		}
		scfg.SessionTTLLastUsage = &sessionTTLLastUsage
	}
	if jsnCfg.Session_indexes != nil {
		scfg.SessionIndexes = utils.NewStringSet(*jsnCfg.Session_indexes)
	}
	if jsnCfg.Client_protocol != nil {
		scfg.ClientProtocol = *jsnCfg.Client_protocol
	}
	if jsnCfg.Channel_sync_interval != nil {
		if scfg.ChannelSyncInterval, err = utils.ParseDurationWithNanosecs(*jsnCfg.Channel_sync_interval); err != nil {
			return err
		}
	}
	if jsnCfg.Stale_chan_max_extra_usage != nil {
		if scfg.StaleChanMaxExtraUsage, err = utils.ParseDurationWithNanosecs(*jsnCfg.Stale_chan_max_extra_usage); err != nil {
			return err
		}
	}
	if jsnCfg.Terminate_attempts != nil {
		scfg.TerminateAttempts = *jsnCfg.Terminate_attempts
	}
	if jsnCfg.Alterable_fields != nil {
		scfg.AlterableFields = utils.NewStringSet(*jsnCfg.Alterable_fields)
	}
	if jsnCfg.Min_dur_low_balance != nil {
		if scfg.MinDurLowBalance, err = utils.ParseDurationWithNanosecs(*jsnCfg.Min_dur_low_balance); err != nil {
			return err
		}
	}
	if jsnCfg.Default_usage != nil {
		for k, v := range *jsnCfg.Default_usage {
			if scfg.DefaultUsage[k], err = utils.ParseDurationWithNanosecs(v); err != nil {
				return
			}
		}
	}
	if jsnCfg.Scheduler_conns != nil {
		scfg.SchedulerConns = make([]string, len(*jsnCfg.Scheduler_conns))
		for idx, connID := range *jsnCfg.Scheduler_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			scfg.SchedulerConns[idx] = connID
			if connID == utils.MetaInternal {
				scfg.SchedulerConns[idx] = utils.ConcatenatedKey(utils.MetaInternal, utils.MetaScheduler)
			}
		}
	}
	if jsnCfg.Backup_interval != nil {
		if scfg.BackupInterval, err = utils.ParseDurationWithNanosecs(*jsnCfg.Backup_interval); err != nil {
			return err
		}
	}
	return scfg.STIRCfg.loadFromJSONCfg(jsnCfg.Stir)
}

func (scfg *SessionSCfg) GetDefaultUsage(tor string) time.Duration {
	if tor == utils.EmptyString {
		tor = utils.MetaAny
	}
	return scfg.DefaultUsage[tor]
}

// AsMapInterface returns the config as a map[string]any
func (scfg *SessionSCfg) AsMapInterface() (initialMP map[string]any) {
	maxComputed := make(map[string]string)
	for key, item := range scfg.DefaultUsage {
		if key == utils.MetaAny || key == utils.MetaVoice {
			maxComputed[key] = item.String()
		} else {
			maxComputed[key] = strconv.Itoa(int(item))
		}
	}
	initialMP = map[string]any{
		utils.EnabledCfg:                scfg.Enabled,
		utils.ListenBijsonCfg:           scfg.ListenBijson,
		utils.ListenBigobCfg:            scfg.ListenBigob,
		utils.ReplicationConnsCfg:       scfg.ReplicationConns,
		utils.StoreSCostsCfg:            scfg.StoreSCosts,
		utils.SessionIndexesCfg:         scfg.SessionIndexes.AsSlice(),
		utils.ClientProtocolCfg:         scfg.ClientProtocol,
		utils.TerminateAttemptsCfg:      scfg.TerminateAttempts,
		utils.AlterableFieldsCfg:        scfg.AlterableFields.AsSlice(),
		utils.STIRCfg:                   scfg.STIRCfg.AsMapInterface(),
		utils.MinDurLowBalanceCfg:       "0",
		utils.ChannelSyncIntervalCfg:    "0",
		utils.StaleChanMaxExtraUsageCfg: "0",
		utils.DebitIntervalCfg:          "0",
		utils.SessionTTLCfg:             "0",
		utils.BackupIntervalCfg:         "0",
		utils.DefaultUsageCfg:           maxComputed,
	}
	if scfg.DebitInterval != 0 {
		initialMP[utils.DebitIntervalCfg] = scfg.DebitInterval.String()
	}
	if scfg.SessionTTL != 0 {
		initialMP[utils.SessionTTLCfg] = scfg.SessionTTL.String()
	}
	if scfg.SessionTTLMaxDelay != nil {
		initialMP[utils.SessionTTLMaxDelayCfg] = scfg.SessionTTLMaxDelay.String()
	}
	if scfg.SessionTTLLastUsed != nil {
		initialMP[utils.SessionTTLLastUsedCfg] = scfg.SessionTTLLastUsed.String()
	}
	if scfg.SessionTTLUsage != nil {
		initialMP[utils.SessionTTLUsageCfg] = scfg.SessionTTLUsage.String()
	}
	if scfg.SessionTTLLastUsage != nil {
		initialMP[utils.SessionTTLLastUsageCfg] = scfg.SessionTTLLastUsage.String()
	}
	if scfg.ChannelSyncInterval != 0 {
		initialMP[utils.ChannelSyncIntervalCfg] = scfg.ChannelSyncInterval.String()
	}
	if scfg.StaleChanMaxExtraUsage != 0 {
		initialMP[utils.StaleChanMaxExtraUsageCfg] = scfg.StaleChanMaxExtraUsage.String()
	}
	if scfg.MinDurLowBalance != 0 {
		initialMP[utils.MinDurLowBalanceCfg] = scfg.MinDurLowBalance.String()
	}
	if scfg.ChargerSConns != nil {
		chargerSConns := make([]string, len(scfg.ChargerSConns))
		for i, item := range scfg.ChargerSConns {
			chargerSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaChargers) {
				chargerSConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.ChargerSConnsCfg] = chargerSConns
	}
	if scfg.RALsConns != nil {
		RALsConns := make([]string, len(scfg.RALsConns))
		for i, item := range scfg.RALsConns {
			RALsConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaResponder) {
				RALsConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.RALsConnsCfg] = RALsConns
	}
	if scfg.ResSConns != nil {
		resSConns := make([]string, len(scfg.ResSConns))
		for i, item := range scfg.ResSConns {
			resSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaResources) {
				resSConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.ResourceSConnsCfg] = resSConns
	}
	if scfg.ThreshSConns != nil {
		threshSConns := make([]string, len(scfg.ThreshSConns))
		for i, item := range scfg.ThreshSConns {
			threshSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaThresholds) {
				threshSConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.ThresholdSConnsCfg] = threshSConns
	}
	if scfg.StatSConns != nil {
		statSConns := make([]string, len(scfg.StatSConns))
		for i, item := range scfg.StatSConns {
			statSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaStats) {
				statSConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.StatSConnsCfg] = statSConns
	}
	if scfg.RouteSConns != nil {
		routesConns := make([]string, len(scfg.RouteSConns))
		for i, item := range scfg.RouteSConns {
			routesConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaRoutes) {
				routesConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.RouteSConnsCfg] = routesConns
	}
	if scfg.AttrSConns != nil {
		attrSConns := make([]string, len(scfg.AttrSConns))
		for i, item := range scfg.AttrSConns {
			attrSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaAttributes) {
				attrSConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.AttributeSConnsCfg] = attrSConns
	}
	if scfg.CDRsConns != nil {
		CDRsConns := make([]string, len(scfg.CDRsConns))
		for i, item := range scfg.CDRsConns {
			CDRsConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaCDRs) {
				CDRsConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.CDRsConnsCfg] = CDRsConns
	}
	if scfg.SchedulerConns != nil {
		schedulerConns := make([]string, len(scfg.SchedulerConns))
		for i, item := range scfg.SchedulerConns {
			schedulerConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaScheduler) {
				schedulerConns[i] = utils.MetaInternal
			}
		}
		initialMP[utils.SchedulerConnsCfg] = schedulerConns
	}

	if scfg.BackupInterval != 0 {
		initialMP[utils.BackupIntervalCfg] = scfg.BackupInterval.String()
	}
	return
}

// Clone returns a deep copy of SessionSCfg
func (scfg SessionSCfg) Clone() (cln *SessionSCfg) {
	cln = &SessionSCfg{
		Enabled:                scfg.Enabled,
		ListenBijson:           scfg.ListenBijson,
		DebitInterval:          scfg.DebitInterval,
		StoreSCosts:            scfg.StoreSCosts,
		SessionTTL:             scfg.SessionTTL,
		BackupInterval:         scfg.BackupInterval,
		ClientProtocol:         scfg.ClientProtocol,
		ChannelSyncInterval:    scfg.ChannelSyncInterval,
		StaleChanMaxExtraUsage: scfg.StaleChanMaxExtraUsage,
		TerminateAttempts:      scfg.TerminateAttempts,
		MinDurLowBalance:       scfg.MinDurLowBalance,

		SessionIndexes:  scfg.SessionIndexes.Clone(),
		AlterableFields: scfg.AlterableFields.Clone(),
		STIRCfg:         scfg.STIRCfg.Clone(),
		DefaultUsage:    make(map[string]time.Duration),
	}
	for k, v := range scfg.DefaultUsage {
		cln.DefaultUsage[k] = v
	}
	if scfg.SessionTTLMaxDelay != nil {
		cln.SessionTTLMaxDelay = new(time.Duration)
		*cln.SessionTTLMaxDelay = *scfg.SessionTTLMaxDelay
	}
	if scfg.SessionTTLLastUsed != nil {
		cln.SessionTTLLastUsed = new(time.Duration)
		*cln.SessionTTLLastUsed = *scfg.SessionTTLLastUsed
	}
	if scfg.SessionTTLUsage != nil {
		cln.SessionTTLUsage = new(time.Duration)
		*cln.SessionTTLUsage = *scfg.SessionTTLUsage
	}
	if scfg.SessionTTLLastUsage != nil {
		cln.SessionTTLLastUsage = new(time.Duration)
		*cln.SessionTTLLastUsage = *scfg.SessionTTLLastUsage
	}

	if scfg.ChargerSConns != nil {
		cln.ChargerSConns = make([]string, len(scfg.ChargerSConns))
		copy(cln.ChargerSConns, scfg.ChargerSConns)

	}
	if scfg.RALsConns != nil {
		cln.RALsConns = make([]string, len(scfg.RALsConns))
		copy(cln.RALsConns, scfg.RALsConns)
	}
	if scfg.ResSConns != nil {
		cln.ResSConns = make([]string, len(scfg.ResSConns))
		copy(cln.ResSConns, scfg.ResSConns)
	}
	if scfg.ThreshSConns != nil {
		cln.ThreshSConns = make([]string, len(scfg.ThreshSConns))
		copy(cln.ThreshSConns, scfg.ThreshSConns)
	}
	if scfg.StatSConns != nil {
		cln.StatSConns = make([]string, len(scfg.StatSConns))
		copy(cln.StatSConns, scfg.StatSConns)
	}
	if scfg.RouteSConns != nil {
		cln.RouteSConns = make([]string, len(scfg.RouteSConns))
		copy(cln.RouteSConns, scfg.RouteSConns)
	}
	if scfg.AttrSConns != nil {
		cln.AttrSConns = make([]string, len(scfg.AttrSConns))
		copy(cln.AttrSConns, scfg.AttrSConns)
	}
	if scfg.CDRsConns != nil {
		cln.CDRsConns = make([]string, len(scfg.CDRsConns))
		copy(cln.CDRsConns, scfg.CDRsConns)

	}
	if scfg.ReplicationConns != nil {
		cln.ReplicationConns = make([]string, len(scfg.ReplicationConns))
		copy(cln.ReplicationConns, scfg.ReplicationConns)
	}
	if scfg.SchedulerConns != nil {
		cln.SchedulerConns = make([]string, len(scfg.SchedulerConns))
		copy(cln.SchedulerConns, scfg.SchedulerConns)
	}

	return
}

// FsAgentCfg the config section that describes the FreeSWITCH Agent
type FsAgentCfg struct {
	Enabled                bool
	SessionSConns          []string
	SubscribePark          bool
	CreateCDR              bool
	ExtraFields            RSRParsers
	LowBalanceAnnFile      string
	EmptyBalanceContext    string
	EmptyBalanceAnnFile    string
	ActiveSessionDelimiter string
	MaxWaitConnection      time.Duration
	EventSocketConns       []*FsConnCfg
}

func (fscfg *FsAgentCfg) loadFromJSONCfg(jsnCfg *FreeswitchAgentJsonCfg) error {
	if jsnCfg == nil {
		return nil
	}
	var err error
	if jsnCfg.Enabled != nil {
		fscfg.Enabled = *jsnCfg.Enabled
	}
	if jsnCfg.SessionSConns != nil {
		fscfg.SessionSConns = make([]string, len(*jsnCfg.SessionSConns))
		for idx, connID := range *jsnCfg.SessionSConns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			fscfg.SessionSConns[idx] = connID
			if connID == utils.MetaInternal ||
				connID == rpcclient.BiRPCInternal {
				fscfg.SessionSConns[idx] = utils.ConcatenatedKey(connID, utils.MetaSessionS)
			}
		}
	}
	if jsnCfg.SubscribePark != nil {
		fscfg.SubscribePark = *jsnCfg.SubscribePark
	}
	if jsnCfg.CreateCDR != nil {
		fscfg.CreateCDR = *jsnCfg.CreateCDR
	}
	if jsnCfg.ExtraFields != nil {
		if fscfg.ExtraFields, err = NewRSRParsersFromSlice(*jsnCfg.ExtraFields); err != nil {
			return err
		}
	}
	if jsnCfg.LowBalanceAnnFile != nil {
		fscfg.LowBalanceAnnFile = *jsnCfg.LowBalanceAnnFile
	}
	if jsnCfg.EmptyBalanceContext != nil {
		fscfg.EmptyBalanceContext = *jsnCfg.EmptyBalanceContext
	}

	if jsnCfg.EmptyBalanceAnnFile != nil {
		fscfg.EmptyBalanceAnnFile = *jsnCfg.EmptyBalanceAnnFile
	}
	if jsnCfg.ActiveSessionDelimiter != nil {
		fscfg.ActiveSessionDelimiter = *jsnCfg.ActiveSessionDelimiter
	}
	if jsnCfg.MaxWaitConnection != nil {
		if fscfg.MaxWaitConnection, err = utils.ParseDurationWithNanosecs(*jsnCfg.MaxWaitConnection); err != nil {
			return err
		}
	}
	if jsnCfg.EventSocketConns != nil {
		fscfg.EventSocketConns = make([]*FsConnCfg, len(*jsnCfg.EventSocketConns))
		for idx, jsnConnCfg := range *jsnCfg.EventSocketConns {
			fscfg.EventSocketConns[idx] = NewDfltFsConnConfig()
			fscfg.EventSocketConns[idx].loadFromJSONCfg(jsnConnCfg)
		}
	}
	return nil
}

// AsMapInterface returns the config as a map[string]any
func (fscfg *FsAgentCfg) AsMapInterface(separator string) (initialMP map[string]any) {
	initialMP = map[string]any{
		utils.EnabledCfg:                fscfg.Enabled,
		utils.SubscribeParkCfg:          fscfg.SubscribePark,
		utils.CreateCdrCfg:              fscfg.CreateCDR,
		utils.LowBalanceAnnFileCfg:      fscfg.LowBalanceAnnFile,
		utils.EmptyBalanceContextCfg:    fscfg.EmptyBalanceContext,
		utils.EmptyBalanceAnnFileCfg:    fscfg.EmptyBalanceAnnFile,
		utils.ActiveSessionDelimiterCfg: fscfg.ActiveSessionDelimiter,
	}
	if fscfg.SessionSConns != nil {
		sessionSConns := make([]string, len(fscfg.SessionSConns))
		for i, item := range fscfg.SessionSConns {
			sessionSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaSessionS) {
				sessionSConns[i] = utils.MetaInternal
			} else if item == utils.ConcatenatedKey(rpcclient.BiRPCInternal, utils.MetaSessionS) {
				sessionSConns[i] = rpcclient.BiRPCInternal
			}
		}
		initialMP[utils.SessionSConnsCfg] = sessionSConns
	}
	if fscfg.ExtraFields != nil {
		initialMP[utils.ExtraFieldsCfg] = fscfg.ExtraFields.GetRule(separator)
	}

	if fscfg.MaxWaitConnection != 0 {
		initialMP[utils.MaxWaitConnectionCfg] = fscfg.MaxWaitConnection.String()
	} else {
		initialMP[utils.MaxWaitConnectionCfg] = utils.EmptyString
	}
	if fscfg.EventSocketConns != nil {
		eventSocketConns := make([]map[string]any, len(fscfg.EventSocketConns))
		for key, item := range fscfg.EventSocketConns {
			eventSocketConns[key] = item.AsMapInterface()
		}
		initialMP[utils.EventSocketConnsCfg] = eventSocketConns
	}
	return
}

// Clone returns a deep copy of FsAgentCfg
func (fscfg FsAgentCfg) Clone() (cln *FsAgentCfg) {
	cln = &FsAgentCfg{
		Enabled:                fscfg.Enabled,
		SubscribePark:          fscfg.SubscribePark,
		CreateCDR:              fscfg.CreateCDR,
		ExtraFields:            fscfg.ExtraFields.Clone(),
		LowBalanceAnnFile:      fscfg.LowBalanceAnnFile,
		EmptyBalanceContext:    fscfg.EmptyBalanceContext,
		EmptyBalanceAnnFile:    fscfg.EmptyBalanceAnnFile,
		ActiveSessionDelimiter: fscfg.ActiveSessionDelimiter,
		MaxWaitConnection:      fscfg.MaxWaitConnection,
	}
	if fscfg.SessionSConns != nil {
		cln.SessionSConns = make([]string, len(fscfg.SessionSConns))
		copy(cln.SessionSConns, fscfg.SessionSConns)
	}
	if fscfg.EventSocketConns != nil {
		cln.EventSocketConns = make([]*FsConnCfg, len(fscfg.EventSocketConns))
		for i, req := range fscfg.EventSocketConns {
			cln.EventSocketConns[i] = req.Clone()
		}
	}
	return
}

// NewDefaultAsteriskConnCfg is uses stored defaults so we can pre-populate by loading from JSON config
func NewDefaultAsteriskConnCfg() *AsteriskConnCfg {
	if dfltAstConnCfg == nil {
		return new(AsteriskConnCfg) // No defaults, most probably we are building the defaults now
	}
	dfltVal := *dfltAstConnCfg // Copy the value instead of it's pointer
	return &dfltVal
}

// AsteriskConnCfg the config for a Asterisk connection
type AsteriskConnCfg struct {
	Alias                string
	Address              string
	User                 string
	Password             string
	ConnectAttempts      int
	Reconnects           int
	MaxReconnectInterval time.Duration
}

func (aConnCfg *AsteriskConnCfg) loadFromJSONCfg(jsnCfg *AstConnJsonCfg) (err error) {
	if jsnCfg == nil {
		return
	}
	if jsnCfg.Address != nil {
		aConnCfg.Address = *jsnCfg.Address
	}
	if jsnCfg.Alias != nil {
		aConnCfg.Alias = *jsnCfg.Alias
	}
	if jsnCfg.User != nil {
		aConnCfg.User = *jsnCfg.User
	}
	if jsnCfg.Password != nil {
		aConnCfg.Password = *jsnCfg.Password
	}
	if jsnCfg.Connect_attempts != nil {
		aConnCfg.ConnectAttempts = *jsnCfg.Connect_attempts
	}
	if jsnCfg.Reconnects != nil {
		aConnCfg.Reconnects = *jsnCfg.Reconnects
	}
	if jsnCfg.Max_reconnect_interval != nil {
		if aConnCfg.MaxReconnectInterval, err = utils.ParseDurationWithNanosecs(*jsnCfg.Max_reconnect_interval); err != nil {
			return
		}
	}
	return
}

// AsMapInterface returns the config as a map[string]any
func (aConnCfg *AsteriskConnCfg) AsMapInterface() map[string]any {
	return map[string]any{
		utils.AliasCfg:                aConnCfg.Alias,
		utils.AddressCfg:              aConnCfg.Address,
		utils.UserCf:                  aConnCfg.User,
		utils.Password:                aConnCfg.Password,
		utils.ConnectAttemptsCfg:      aConnCfg.ConnectAttempts,
		utils.ReconnectsCfg:           aConnCfg.Reconnects,
		utils.MaxReconnectIntervalCfg: aConnCfg.MaxReconnectInterval.String(),
	}
}

// Clone returns a deep copy of AsteriskConnCfg
func (aConnCfg AsteriskConnCfg) Clone() *AsteriskConnCfg {
	return &AsteriskConnCfg{
		Alias:                aConnCfg.Alias,
		Address:              aConnCfg.Address,
		User:                 aConnCfg.User,
		Password:             aConnCfg.Password,
		ConnectAttempts:      aConnCfg.ConnectAttempts,
		Reconnects:           aConnCfg.Reconnects,
		MaxReconnectInterval: aConnCfg.MaxReconnectInterval,
	}
}

// AsteriskAgentCfg the config section that describes the Asterisk Agent
type AsteriskAgentCfg struct {
	Enabled       bool
	SessionSConns []string
	CreateCDR     bool
	AsteriskConns []*AsteriskConnCfg
}

func (aCfg *AsteriskAgentCfg) loadFromJSONCfg(jsnCfg *AsteriskAgentJsonCfg) (err error) {
	if jsnCfg == nil {
		return nil
	}
	if jsnCfg.Enabled != nil {
		aCfg.Enabled = *jsnCfg.Enabled
	}
	if jsnCfg.Sessions_conns != nil {
		aCfg.SessionSConns = make([]string, len(*jsnCfg.Sessions_conns))
		for idx, attrConn := range *jsnCfg.Sessions_conns {
			// if we have the connection internal we change the name so we can have internal rpc for each subsystem
			aCfg.SessionSConns[idx] = attrConn
			if attrConn == utils.MetaInternal ||
				attrConn == rpcclient.BiRPCInternal {
				aCfg.SessionSConns[idx] = utils.ConcatenatedKey(attrConn, utils.MetaSessionS)
			}
		}
	}
	if jsnCfg.Create_cdr != nil {
		aCfg.CreateCDR = *jsnCfg.Create_cdr
	}

	if jsnCfg.Asterisk_conns != nil {
		aCfg.AsteriskConns = make([]*AsteriskConnCfg, len(*jsnCfg.Asterisk_conns))
		for i, jsnAConn := range *jsnCfg.Asterisk_conns {
			aCfg.AsteriskConns[i] = NewDefaultAsteriskConnCfg()
			aCfg.AsteriskConns[i].loadFromJSONCfg(jsnAConn)
		}
	}
	return nil
}

// AsMapInterface returns the config as a map[string]any
func (aCfg *AsteriskAgentCfg) AsMapInterface() (initialMP map[string]any) {
	initialMP = map[string]any{
		utils.EnabledCfg:   aCfg.Enabled,
		utils.CreateCDRCfg: aCfg.CreateCDR,
	}
	if aCfg.AsteriskConns != nil {
		conns := make([]map[string]any, len(aCfg.AsteriskConns))
		for i, item := range aCfg.AsteriskConns {
			conns[i] = item.AsMapInterface()
		}
		initialMP[utils.AsteriskConnsCfg] = conns
	}
	if aCfg.SessionSConns != nil {
		sessionSConns := make([]string, len(aCfg.SessionSConns))
		for i, item := range aCfg.SessionSConns {
			sessionSConns[i] = item
			if item == utils.ConcatenatedKey(utils.MetaInternal, utils.MetaSessionS) {
				sessionSConns[i] = utils.MetaInternal
			} else if item == utils.ConcatenatedKey(rpcclient.BiRPCInternal, utils.MetaSessionS) {
				sessionSConns[i] = rpcclient.BiRPCInternal
			}
		}
		initialMP[utils.SessionSConnsCfg] = sessionSConns
	}
	return
}

// Clone returns a deep copy of AsteriskAgentCfg
func (aCfg AsteriskAgentCfg) Clone() (cln *AsteriskAgentCfg) {
	cln = &AsteriskAgentCfg{
		Enabled:   aCfg.Enabled,
		CreateCDR: aCfg.CreateCDR,
	}
	if aCfg.SessionSConns != nil {
		cln.SessionSConns = make([]string, len(aCfg.SessionSConns))
		copy(cln.SessionSConns, aCfg.SessionSConns)
	}
	if aCfg.AsteriskConns != nil {
		cln.AsteriskConns = make([]*AsteriskConnCfg, len(aCfg.AsteriskConns))
		for i, req := range aCfg.AsteriskConns {
			cln.AsteriskConns[i] = req.Clone()
		}
	}
	return
}

// STIRcfg the confuguration structure for STIR
type STIRcfg struct {
	AllowedAttest      utils.StringSet
	PayloadMaxduration time.Duration
	DefaultAttest      string
	PublicKeyPath      string
	PrivateKeyPath     string
}

func (stirCfg *STIRcfg) loadFromJSONCfg(jsnCfg *STIRJsonCfg) (err error) {
	if jsnCfg == nil {
		return nil
	}
	if jsnCfg.Allowed_attest != nil {
		stirCfg.AllowedAttest = utils.NewStringSet(*jsnCfg.Allowed_attest)
	}
	if jsnCfg.Payload_maxduration != nil {
		if stirCfg.PayloadMaxduration, err = utils.ParseDurationWithNanosecs(*jsnCfg.Payload_maxduration); err != nil {
			return err
		}
	}
	if jsnCfg.Default_attest != nil {
		stirCfg.DefaultAttest = *jsnCfg.Default_attest
	}
	if jsnCfg.Publickey_path != nil {
		stirCfg.PublicKeyPath = *jsnCfg.Publickey_path
	}
	if jsnCfg.Privatekey_path != nil {
		stirCfg.PrivateKeyPath = *jsnCfg.Privatekey_path
	}
	return nil
}

// AsMapInterface returns the config as a map[string]any
func (stirCfg *STIRcfg) AsMapInterface() (initialMP map[string]any) {
	initialMP = map[string]any{
		utils.DefaultAttestCfg:      stirCfg.DefaultAttest,
		utils.PublicKeyPathCfg:      stirCfg.PublicKeyPath,
		utils.PrivateKeyPathCfg:     stirCfg.PrivateKeyPath,
		utils.AllowedAtestCfg:       stirCfg.AllowedAttest.AsSlice(),
		utils.PayloadMaxdurationCfg: "0",
	}
	if stirCfg.PayloadMaxduration > 0 {
		initialMP[utils.PayloadMaxdurationCfg] = stirCfg.PayloadMaxduration.String()
	} else if stirCfg.PayloadMaxduration < 0 {
		initialMP[utils.PayloadMaxdurationCfg] = "-1"
	}
	return
}

// Clone returns a deep copy of STIRcfg
func (stirCfg STIRcfg) Clone() *STIRcfg {
	return &STIRcfg{
		AllowedAttest:      stirCfg.AllowedAttest.Clone(),
		PayloadMaxduration: stirCfg.PayloadMaxduration,
		DefaultAttest:      stirCfg.DefaultAttest,
		PublicKeyPath:      stirCfg.PublicKeyPath,
		PrivateKeyPath:     stirCfg.PrivateKeyPath,
	}
}