#include "UEContextReleaseRequest.hpp"
#include <iostream>
extern "C"{
  #include "constr_TYPE.h"
  #include "asn_codecs.h"
  #include "per_encoder.h"
  #include "per_decoder.h"
  #include "constraints.h"
}
using namespace ngap;
using namespace std;

UEContextReleaseRequestMsg::UEContextReleaseRequestMsg(){
  pdu = NULL;
}

UEContextReleaseRequestMsg::~UEContextReleaseRequestMsg(){
  delete pdu;
}

void UEContextReleaseRequestMsg::setMessageType(){
  if(!pdu) pdu = (Ngap_NGAP_PDU_t*)calloc(1, sizeof(Ngap_NGAP_PDU_t));
  MessageType msgType;
  msgType.setProcedureCode(Ngap_ProcedureCode_id_UEContextReleaseRequest);
  msgType.setTypeOfMessage(Ngap_NGAP_PDU_PR_initiatingMessage);
  msgType.setCriticality(Ngap_Criticality_ignore);
  msgType.setValuePresent(Ngap_InitiatingMessage__value_PR_UEContextReleaseRequest);
  msgType.encode2pdu(pdu);
  ies = &(pdu->choice.initiatingMessage->value.choice.UEContextReleaseRequest);
}

void UEContextReleaseRequestMsg::setAmfUeNgapId(unsigned long id){
  if(!amfUeNgapId) amfUeNgapId = new AMF_UE_NGAP_ID();
  amfUeNgapId->setAMF_UE_NGAP_ID(id);
  Ngap_UEContextReleaseRequest_IEs * ie = (Ngap_UEContextReleaseRequest_IEs*)calloc(1, sizeof(Ngap_UEContextReleaseRequest_IEs));
  ie->id = Ngap_ProtocolIE_ID_id_AMF_UE_NGAP_ID;
  ie->criticality = Ngap_Criticality_reject;
  ie->value.present = Ngap_UEContextReleaseRequest_IEs__value_PR_AMF_UE_NGAP_ID;
  int ret = amfUeNgapId->encode2AMF_UE_NGAP_ID(ie->value.choice.AMF_UE_NGAP_ID);
  if(!ret){
    cout<<"encode AMF_UE_NGAP_ID IE error"<<endl;
    return ;
  }
  ret = ASN_SEQUENCE_ADD(&ies->protocolIEs.list, ie);
  if( ret != 0) cout<<"encode AMF_UE_NGAP_ID IE error"<<endl;
}

void UEContextReleaseRequestMsg::setRanUeNgapId(uint32_t ran_ue_ngap_id){
  if(!ranUeNgapId) ranUeNgapId = new RAN_UE_NGAP_ID();
  ranUeNgapId->setRanUeNgapId(ran_ue_ngap_id);
  Ngap_UEContextReleaseRequest_IEs * ie = (Ngap_UEContextReleaseRequest_IEs*)calloc(1, sizeof(Ngap_UEContextReleaseRequest_IEs));
  ie->id = Ngap_ProtocolIE_ID_id_RAN_UE_NGAP_ID;
  ie->criticality = Ngap_Criticality_reject;
  ie->value.present = Ngap_UEContextReleaseRequest_IEs__value_PR_RAN_UE_NGAP_ID; 
  int ret = ranUeNgapId->encode2RAN_UE_NGAP_ID(ie->value.choice.RAN_UE_NGAP_ID);
  if(!ret){
    cout<<"encode RAN_UE_NGAP_ID IE error"<<endl;
    return ;
  }
  ret = ASN_SEQUENCE_ADD(&ies->protocolIEs.list, ie);
  if( ret != 0) cout<<"encode RAN_UE_NGAP_ID IE error"<<endl;
}

void UEContextReleaseRequestMsg::setCauseRadioNetwork(e_Ngap_CauseRadioNetwork cause_value){
  if(!causeValue) causeValue = new Cause();
  causeValue->setChoiceOfCause(Ngap_Cause_PR_radioNetwork);
  causeValue->setValue(cause_value);
  addCauseIE();
}

void UEContextReleaseRequestMsg::addCauseIE(){
  Ngap_UEContextReleaseRequest_IEs * ie = (Ngap_UEContextReleaseRequest_IEs*)calloc(1, sizeof(Ngap_UEContextReleaseRequest_IEs));
  ie->id = Ngap_ProtocolIE_ID_id_Cause;
  ie->criticality = Ngap_Criticality_ignore;
  ie->value.present = Ngap_UEContextReleaseRequest_IEs__value_PR_Cause;
  causeValue->encode2Cause(&ie->value.choice.Cause);
  int ret = ASN_SEQUENCE_ADD(&ies->protocolIEs.list, ie);
  if( ret != 0) cout<<"encode Cause IE error"<<endl;
}

int UEContextReleaseRequestMsg::encode2buffer(uint8_t *buf, int buf_size){
  asn_fprint(stderr, &asn_DEF_Ngap_NGAP_PDU, pdu);
  asn_enc_rval_t er = aper_encode_to_buffer(&asn_DEF_Ngap_NGAP_PDU, NULL, pdu, buf, buf_size);
  cout<<"er.encoded("<<er.encoded<<")"<<endl;
  return er.encoded;
}

bool UEContextReleaseRequestMsg::decodefrompdu(Ngap_NGAP_PDU_t *ngap_msg_pdu){
  pdu = ngap_msg_pdu;
  if(pdu->present == Ngap_NGAP_PDU_PR_initiatingMessage){
    if(pdu->choice.initiatingMessage && pdu->choice.initiatingMessage->procedureCode ==  Ngap_ProcedureCode_id_UEContextReleaseRequest && pdu->choice.initiatingMessage->criticality == Ngap_Criticality_reject && pdu->choice.initiatingMessage->value.present == Ngap_InitiatingMessage__value_PR_UEContextReleaseRequest){
      ies = &pdu->choice.initiatingMessage->value.choice.UEContextReleaseRequest;
    }else{
      cout << "Check UEContextReleaseRequest message error" << endl; 
      return false;
    }
  }else{
    cout<<"typeOfMessage of UEContextReleaseRequest is not initiatingMessage"<<endl;
    return false;
  }
  for(int i=0; i< ies->protocolIEs.list.count; i++){
    switch(ies->protocolIEs.list.array[i]->id){
      case Ngap_ProtocolIE_ID_id_AMF_UE_NGAP_ID:{
        if(ies->protocolIEs.list.array[i]->criticality == Ngap_Criticality_reject && ies->protocolIEs.list.array[i]->value.present == Ngap_UEContextReleaseRequest_IEs__value_PR_AMF_UE_NGAP_ID){
          amfUeNgapId = new AMF_UE_NGAP_ID();
          if(!amfUeNgapId->decodefromAMF_UE_NGAP_ID(ies->protocolIEs.list.array[i]->value.choice.AMF_UE_NGAP_ID)){
            cout<<"decode AMF_UE_NGAP_ID error"<<endl;
            return false;
          }
        }else{
          cout<<"IE AMF_UE_NGAP_ID is not correct"<<endl;
          return false;
        }
      }break;
      case Ngap_ProtocolIE_ID_id_RAN_UE_NGAP_ID:{
        if(ies->protocolIEs.list.array[i]->criticality == Ngap_Criticality_reject && ies->protocolIEs.list.array[i]->value.present == Ngap_UEContextReleaseRequest_IEs__value_PR_RAN_UE_NGAP_ID){
          ranUeNgapId = new RAN_UE_NGAP_ID();
          if(!ranUeNgapId->decodefromRAN_UE_NGAP_ID(ies->protocolIEs.list.array[i]->value.choice.RAN_UE_NGAP_ID)){
            cout<<"decode RAN_UE_NGAP_ID error"<<endl;
            return false;
          }
        }else{
          cout<<"IE RAN_UE_NGAP_ID is not correct"<<endl;
          return false;
        }
      }break; 
      case Ngap_ProtocolIE_ID_id_Cause:{
        if(ies->protocolIEs.list.array[i]->criticality == Ngap_Criticality_ignore && ies->protocolIEs.list.array[i]->value.present == Ngap_UEContextReleaseRequest_IEs__value_PR_Cause){
          causeValue = new Cause();
          if(!causeValue->decodefromCause(&ies->protocolIEs.list.array[i]->value.choice.Cause)){
            cout<<"decode Cause error"<<endl;
            return false;
          }
        }else{
          cout<<"IE Cause is not correct"<<endl;
          return false;
        }
      }break;
    }
  }
  return true;
}

bool UEContextReleaseRequestMsg::getCauseRadioNetwork(e_Ngap_CauseRadioNetwork &causeRadioNetwork){
  if(causeValue->getValue() < 0){
    cout<<"Get Cause value from UEContextReleaseRequest Error!!!"<<endl;
    return false;
  }
  causeRadioNetwork = (e_Ngap_CauseRadioNetwork)causeValue->getValue();
  return true;
}

unsigned long UEContextReleaseRequestMsg::getAmfUeNgapId(){
  return amfUeNgapId->getAMF_UE_NGAP_ID();
}

uint32_t UEContextReleaseRequestMsg::getRanUeNgapId(){
  return ranUeNgapId->getRanUeNgapId();
}


