/*
==================================================================================
  Copyright (c) 2019 AT&T Intellectual Property.
  Copyright (c) 2019 Nokia

   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 e2ap

import (
	"gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/conv"
	"strconv"
)

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
const (
	E2AP_InitiatingMessage   uint64 = 1
	E2AP_SuccessfulOutcome   uint64 = 2
	E2AP_UnsuccessfulOutcome uint64 = 3
)

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
// E2AP messages
// Initiating message
const (
	E2AP_RICSubscriptionRequest       uint64 = 1
	E2AP_RICSubscriptionDeleteRequest uint64 = 2

	// E2AP_RICServiceUpdate uint64 = 3
	// E2AP_RICControlRequest uint64 = 4
	//
	// //E2AP_X2SetupRequest uint64 = 5;
	// E2AP_ENDCX2SetupRequest uint64 = 6
	// E2AP_ResourceStatusRequest uint64 = 7
	// E2AP_ENBConfigurationUpdate uint64 = 8
	// E2AP_ENDCConfigurationUpdate uint64 = 9
	// E2AP_ResetRequest uint64 = 10
	// E2AP_RICIndication uint64 = 11

	// E2AP_RICServiceQuery uint64 = 12
	// E2AP_LoadInformation uint64 = 13
	// E2AP_GNBStatusIndication uint64 = 14
	// E2AP_ResourceStatusUpdate uint64 = 15
	// E2AP_ErrorIndication uint64 = 16
	//
)

// E2AP messages
// Successful outcome
const (
	E2AP_RICSubscriptionResponse       uint64 = 1
	E2AP_RICSubscriptionDeleteResponse uint64 = 2

	// E2AP_RICserviceUpdateAcknowledge uint64 = 3
	// E2AP_RICcontrolAcknowledge uint64 = 4
	//
	// //E2AP_X2SetupResponse uint64 = 5;
	// E2AP_ENDCX2SetupResponse uint64 = 6
	// E2AP_ResourceStatusResponse uint64 = 7
	// E2AP_ENBConfigurationUpdateAcknowledge uint64 = 8
	// E2AP_ENDCConfigurationUpdateAcknowledge uint64 = 9
	// E2AP_ResetResponse uint64 = 10
	//
)

// E2AP messages
// Unsuccessful outcome
const (
	E2AP_RICSubscriptionFailure       uint64 = 1
	E2AP_RICSubscriptionDeleteFailure uint64 = 2

	// E2AP_RICserviceUpdateFailure uint64 = 3
	// E2AP_RICcontrolFailure uint64 = 4
	//
	// //E2AP_X2SetupFailure uint64 = 5;
	// E2AP_ENDCX2SetupFailure uint64 = 6
	// E2AP_ResourceStatusFailure uint64 = 7
	// E2AP_ENBConfigurationUpdateFailure uint64 = 8
	// E2AP_ENDCConfigurationUpdateFailure uint64 = 9
	//
)

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type PackedData struct {
	Buf []byte
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type MessageInfo struct {
	MsgType uint64
	MsgId   uint64
}

func (msgInfo *MessageInfo) String() string {
	return "msginfo(" + strconv.FormatUint((uint64)(msgInfo.MsgType), 10) + string(":") + strconv.FormatUint((uint64)(msgInfo.MsgId), 10) + ")"
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type RequestId struct {
	Id  uint32
	Seq uint32
}

func (rid *RequestId) String() string {
	return strconv.FormatUint((uint64)(rid.Id), 10) + string(":") + strconv.FormatUint((uint64)(rid.Seq), 10)
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type FunctionId uint16

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------

const (
	E2AP_ENBIDMacroPBits20    uint8 = 20
	E2AP_ENBIDHomeBits28      uint8 = 28
	E2AP_ENBIDShortMacroits18 uint8 = 18
	E2AP_ENBIDlongMacroBits21 uint8 = 21
)

type NodeId struct {
	Bits uint8
	Id   uint32
}

func (nid *NodeId) String() string {
	return strconv.FormatUint((uint64)(nid.Id), 10)
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type GlobalNodeId struct {
	Present      bool
	PlmnIdentity conv.PlmnIdentityTbcd
	NodeId       NodeId
}

func (gnid *GlobalNodeId) String() string {
	return gnid.PlmnIdentity.String() + string(":") + gnid.NodeId.String()
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type InterfaceId struct {
	GlobalEnbId GlobalNodeId
	GlobalGnbId GlobalNodeId
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------

const (
	E2AP_InterfaceDirectionIncoming uint32 = 0
	E2AP_InterfaceDirectionOutgoing uint32 = 1
)

type EventTriggerDefinition struct {
	InterfaceId
	InterfaceDirection uint32
	ProcedureCode      uint32
	TypeOfMessage      uint64
}

/*
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type CallProcessId struct {
  CallProcessIDVal uint32
}
*/

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type ActionDefinition struct {
	Present bool
	StyleId uint64
	ParamId uint32
	//ParamValue
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
const (
	E2AP_SubSeqActionTypeContinue uint64 = 0
	E2AP_SubSeqActionTypeWait     uint64 = 1
)

const (
	E2AP_TimeToWaitZero   uint64 = 0
	E2AP_TimeToWaitW1ms   uint64 = 1
	E2AP_TimeToWaitW2ms   uint64 = 2
	E2AP_TimeToWaitW5ms   uint64 = 3
	E2AP_TimeToWaitW10ms  uint64 = 4
	E2AP_TimeToWaitW20ms  uint64 = 4
	E2AP_TimeToWaitW30ms  uint64 = 5
	E2AP_TimeToWaitW40ms  uint64 = 6
	E2AP_TimeToWaitW50ms  uint64 = 7
	E2AP_TimeToWaitW100ms uint64 = 8
	E2AP_TimeToWaitW200ms uint64 = 9
	E2AP_TimeToWaitW500ms uint64 = 10
	E2AP_TimeToWaitW1s    uint64 = 11
	E2AP_TimeToWaitW2s    uint64 = 12
	E2AP_TimeToWaitW5s    uint64 = 13
	E2AP_TimeToWaitW10s   uint64 = 14
	E2AP_TimeToWaitW20s   uint64 = 15
	E2AP_TimeToWaitW60    uint64 = 16
)

type SubsequentAction struct {
	Present    bool
	Type       uint64
	TimetoWait uint64
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------

const (
	E2AP_ActionTypeReport  uint64 = 0
	E2AP_ActionTypeInsert  uint64 = 1
	E2AP_ActionTypePolicy  uint64 = 2
	E2AP_ActionTypeInvalid uint64 = 99 // For RIC internal usage only
)

type ActionToBeSetupItem struct {
	ActionId   uint64
	ActionType uint64
	ActionDefinition
	SubsequentAction
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------

const (
	E2AP_CauseContent_RadioNetwork uint8 = 1
	E2AP_CauseContent_Transport    uint8 = 2
	E2AP_CauseContent_Protocol     uint8 = 3
	E2AP_CauseContent_Misc         uint8 = 4
	E2AP_CauseContent_Ric          uint8 = 5
)

//const (
//	E2AP_CauseValue_RadioNetwork_ uint8 = 0
//)
//const (
//	E2AP_CauseValue_Transport_ uint8 = 0
//)
//const (
//	E2AP_CauseValue_Protocol_ uint8 = 0
//)
//const (
//	E2AP_CauseValue_Misc_ uint8 = 0
//)

const (
	E2AP_CauseValue_Ric_function_id_Invalid                            uint8 = 0
	E2AP_CauseValue_Ric_action_not_supported                           uint8 = 1
	E2AP_CauseValue_Ric_excessive_actions                              uint8 = 2
	E2AP_CauseValue_Ric_duplicate_action                               uint8 = 3
	E2AP_CauseValue_Ric_duplicate_event                                uint8 = 4
	E2AP_CauseValue_Ric_function_resource_limit                        uint8 = 5
	E2AP_CauseValue_Ric_request_id_unknown                             uint8 = 6
	E2AP_CauseValue_Ric_inconsistent_action_subsequent_action_sequence uint8 = 7
	E2AP_CauseValue_Ric_control_message_invalid                        uint8 = 8
	E2AP_CauseValue_Ric_call_process_id_invalid                        uint8 = 9
	E2AP_CauseValue_Ric_function_not_required                          uint8 = 10
	E2AP_CauseValue_Ric_excessive_functions                            uint8 = 11
	E2AP_CauseValue_Ric_ric_resource_limi                              uint8 = 12
)

type Cause struct {
	Content uint8
	Value   uint8
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type ActionAdmittedItem struct {
	ActionId uint64
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type ActionAdmittedList struct {
	Items []ActionAdmittedItem //16
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type ActionNotAdmittedItem struct {
	ActionId uint64
	Cause    Cause
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type ActionNotAdmittedList struct {
	Items []ActionNotAdmittedItem //16
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
const (
	E2AP_CriticalityReject uint8 = 0
	E2AP_CriticalityIgnore uint8 = 1
	E2AP_CriticalityNotify uint8 = 2
)

type CriticalityDiagnosticsIEListItem struct {
	IeCriticality uint8 //Crit
	IeID          uint32
	TypeOfError   uint8
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type CriticalityDiagnosticsIEList struct {
	Items []CriticalityDiagnosticsIEListItem //256
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type CriticalityDiagnostics struct {
	Present         bool
	ProcCodePresent bool
	ProcCode        uint64
	TrigMsgPresent  bool
	TrigMsg         uint64
	ProcCritPresent bool
	ProcCrit        uint8 //Crit
	CriticalityDiagnosticsIEList
}