package com.lumaserv.bgp.protocol.message;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.Setter;

@Getter
@Setter
public class BGPNotification {

    byte majorErrorCode;
    byte minorErrorCode;

    /** Major error codes */
    @Getter
    public enum Error {
        MESSAGE_HEADER_ERROR(1),
        OPEN_MESSAGE_ERROR(2),
        UPDATE_MESSAGE_ERROR(3),
        HOLD_TIMER_ERROR(4),
        FSM_ERROR(5),
        CEASE(6);

        byte code;

        Error(int code) {
            this.code = (byte)code;
        }
    }

    /** Minor error codes for OPEN_MESSAGE_ERROR */
    @Getter
    public enum OpenMessageError {
        UNSUPPORTED_VERSION_NUMBER(1),
        BAD_PEER_AS(2),
        BAD_BGP_IDENTIFIER(3),
        UNSUPPORTED_OPTION_PARAMETER(4),
        UNACCEPTABLE_HOLD_TIME(5);

        byte code;

        OpenMessageError(int code) {
            this.code = (byte)code;
        }
    }

    public BGPNotification(byte[] message) {
        this.majorErrorCode = message[0];
        this.minorErrorCode = message[1];
    }

    @Override
    public String toString() {
        return "" + majorErrorCode + ":" + minorErrorCode;
    }
}