// /**
//  * File: SnmpMessage.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
using ln.snmp.asn1;
namespace ln.snmp.types
{
    public abstract class SnmpMessage : AbstractSequence
    {
        public SnmpVersion SnmpVersion { get; }
        
        public abstract int MessageID { get; set; }
        public abstract PDU snmpPDU { get; set; }

        public SnmpMessage(SnmpVersion snmpVersion)
            : base(new Identifier(IdentifierClass.UNIVERSAL, true, 0x10))
        {
            SnmpVersion = snmpVersion;
        }

        public override void Add(Variable item) => throw new NotImplementedException();
        public override void Remove(Variable item) => throw new NotImplementedException();


        public static implicit operator SnmpMessage(ASN1Value asn)
        {
            Integer snmpVersion = (Integer)(Variable)asn.Items[0];
            switch (snmpVersion.LongValue)
            {
                case 0:
                    return new SnmpV1Message(asn);
                case 1:
                    return new SnmpV2Message(asn);
                case 3:
                    return new USMMessage(asn);
            }
            throw new ArgumentException();
        }


    }
}