#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "ServiceReject.h"

int decode_service_reject( service_reject_msg *service_reject, uint8_t* buffer, uint32_t len)
{
    uint32_t decoded = 0;
    int decoded_result = 0;

    // Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
    CHECK_PDU_POINTER_AND_LENGTH_DECODER (buffer, SERVICE_REJECT_MINIMUM_LENGTH, len);

    if((decoded_result = decode_extended_protocol_discriminator (&service_reject->extendedprotocoldiscriminator, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode_security_header_type (&service_reject->securityheadertype, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode_message_type (&service_reject->messagetype, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode__5gmm_cause (&service_reject->_5gmmcause, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode_pdu_session_status (&service_reject->pdusessionstatus, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode_gprs_timer2 (&service_reject->gprstimer2, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;

    if((decoded_result = decode_eap_message (&service_reject->eapmessage, 0, buffer+decoded,len-decoded))<0)
        return decoded_result;
    else
        decoded+=decoded_result;


    return decoded;
}


int encode_service_reject( service_reject_msg *service_reject, uint8_t* buffer, uint32_t len)
{
    uint32_t encoded = 0;
    int encoded_result = 0;
    
    // Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
    CHECK_PDU_POINTER_AND_LENGTH_ENCODER (buffer, SERVICE_REJECT_MINIMUM_LENGTH, len);

    if((encoded_result = encode_extended_protocol_discriminator (service_reject->extendedprotocoldiscriminator, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode_security_header_type (service_reject->securityheadertype, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode_message_type (service_reject->messagetype, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode__5gmm_cause (service_reject->_5gmmcause, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode_pdu_session_status (service_reject->pdusessionstatus, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode_gprs_timer2 (service_reject->gprstimer2, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;

    if((encoded_result = encode_eap_message (service_reject->eapmessage, 0, buffer+encoded,len-encoded))<0)
        return encoded_result;
    else
        encoded+=encoded_result;


    return encoded;
}
