using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.CancelFriendRequestReq), typeof(CancelFriendRequestPacketHandler), typeof(GameLoginListener))]
public class CancelFriendRequestPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var owner = session as Player;
        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
        var recv_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!!");

        var target_guid = recv_msg.Request.CancelFriendRequestReq.Guid;

        IFriendInterlockAction interlock_actioin = new CancelFriendRequestInterlockAction(owner, owner.getUserGuid(), target_guid);
        var result = await interlock_actioin.doInterlockAction();
        if (result.isFail())
        {
            send_GS2C_ACK_CANCLE_FRIEND_REQUEST(owner, result);
            return result;
        }

        send_GS2C_ACK_CANCLE_FRIEND_REQUEST(owner, result);
        
        //상대방에게 삭제 됐다고 Noti
        result = await send_GS2CS_NFT_CANCLE_FRIEND_REQUEST(owner, target_guid);
        if (result.isFail())
        {
            Log.getLogger().error($"send_GS2CS_NFT_CANCLE_FRIEND_REQUEST send Fail, owner : {owner.toBasicString()}, target_guid : {target_guid}");
        }
        return result;
    }

    public async Task<Result> send_GS2CS_NFT_CANCLE_FRIEND_REQUEST(Player owner, string targetGuid)
    {
        ServerMessage notiMessage = new ServerMessage();
        notiMessage.CancelFriendRequestNoti = new();
        notiMessage.CancelFriendRequestNoti.SenderId = "";
        notiMessage.CancelFriendRequestNoti.SenderGuid = owner.getUserGuid();
        notiMessage.CancelFriendRequestNoti.SenderNickName = owner.getUserNickname();
        notiMessage.CancelFriendRequestNoti.ReceiverId = "";
        notiMessage.CancelFriendRequestNoti.ReceiverGuid = targetGuid;

        var server_logic = GameServerApp.getServerLogic();
        var rabbit_mq = GameServerApp.getServerLogic().getRabbitMqConnector() as RabbitMqConnector;
        NullReferenceCheckHelper.throwIfNull(rabbit_mq, () => $"rabbit_mq is null !!!");
        var login_cache_request = new LoginCacheOtherUserRequest(owner, server_logic.getRedisConnector(), targetGuid);
        var result = await login_cache_request.fetchLogin();
        if (result.isSuccess())
        {
            var login_cache = login_cache_request.getLoginCache();
            NullReferenceCheckHelper.throwIfNull(login_cache, () => $"login_cache is null !!!");
            rabbit_mq.SendMessage(login_cache.CurrentServer, notiMessage);
        }

        return result;
    }

    public static Result send_GS2C_ACK_CANCLE_FRIEND_REQUEST(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.CancelFriendRequestRes = new();

        //CancelFriendRequestRes
        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            string err_msg = $"send_GS2C_ACK_CANCLE_FRIEND_REQUEST Fail !!! : owner:{owner.toBasicString()}";
            result.setFail(ServerErrorCode.ProudNetException, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;

    }
}