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 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using OpenMetaverse;
using OpenSim.Framework;
using System.Collections.Generic;

namespace OpenSim.Region.Framework.Interfaces
{
    public interface IFriendsModule
    {
        /// <summary>
        /// Offer a friendship to a user from the server end rather than by direct initiation from a client.
        /// </summary>
        /// <param name="fromUserId">
        /// A user with this id must existing in the user data store, but need not be logged on.
        /// </param>
        /// <param name="toUserClient">
        /// An actually logged in client to which the offer is being made.
        /// FIXME: This is somewhat too tightly coupled - it should arguably be possible to offer friendships even if the 
        /// receiving user is not currently online. 
        /// </param>
        /// <param name="offerMessage"></param>
        void OfferFriendship(UUID fromUserId, IClientAPI toUserClient, string offerMessage);
        uint GetFriendPerms(UUID PrincipalID, UUID FriendID);
        void SendFriendsOnlineIfNeeded(IClientAPI client);
    }
}