using System;
using ln.types.net;
using ln.types.odb.attributes;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
namespace ln.dhcp
{
    [JsonConverter(typeof(StringEnumConverter))]
    public enum DHCPLeaseState
    {
        RELEASED,
        OFFERED,
        BOUND,
        DECLINED
    }
    public class DHCPLease
    {
        [DocumentID]
        public readonly Guid ID = Guid.NewGuid();

        public MAC ClientMAC { get; set; }
        public IPv4 ClientIP { get; set; }
        public String ClientName { get; set; }

        public IPv4 ServerInterface { get; set; }

        public DateTimeOffset Created { get; set; }
        public DateTimeOffset LastUpdate { get; set; }
        public DateTimeOffset ValidThrough { get; set; }
        public DateTimeOffset Released { get; set; }

        public DHCPLeaseState LeaseState { get; set; } = DHCPLeaseState.OFFERED;

        private DHCPLease()
        {}

        public DHCPLease(IPv4 serverInterface,MAC clientMac, IPv4 clientIP)
            :this(serverInterface,clientMac)
        {
            ClientIP = clientIP;
        }
        public DHCPLease(IPv4 serverInterface,MAC clientMac)
        {
            Created = DateTimeOffset.Now;
            LastUpdate = Created;
            ValidThrough = Created + TimeSpan.FromSeconds(60);
            Released = DateTimeOffset.MinValue;
            ServerInterface = serverInterface;

            ClientMAC = clientMac;
            ClientName = "";
            ClientIP = IPv4.ANY;
        }

    }
}