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


using ServerCore;
using ServerBase;
using ServerCommon;


namespace GameServer.PacketHandler;

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

        var friend_folder_action = owner.getEntityAction<FriendFolderAction>();
        NullReferenceCheckHelper.throwIfNull(friend_folder_action, () => $"friend folder action is null !!! - {owner.toBasicString()}");

        var result =  await friend_folder_action.loadFriendFolder();
        if (result.isFail())
        {
            send_GS2C_ACK_FRIEND_FOLDER_LIST(owner, result);
            return result;
        }

        send_GS2C_ACK_FRIEND_FOLDER_LIST_BY_SUCCESS(owner, result);

        return result;

    }

    public static Result send_GS2C_ACK_FRIEND_FOLDER_LIST(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.GetFriendFolderListRes = new ClientToGameRes.Types.GetFriendFolderListRes();

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            string err_msg = $"send_S2C_ACK_FRIEND_FOLDER_LIST Fail !!! : owner:{owner.toBasicString()}";
            result.setFail(ServerErrorCode.ProudNetException, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

    public static Result send_GS2C_ACK_FRIEND_FOLDER_LIST_BY_SUCCESS(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.GetFriendFolderListRes = new ClientToGameRes.Types.GetFriendFolderListRes();
        

        var friend_folder_attribute = owner.getEntityAttribute<FriendFolderAttribute>();
        NullReferenceCheckHelper.throwIfNull(friend_folder_attribute, () => $"FriendFolderAttribute is null - player: {owner.toBasicString()}");


        ack_packet.Response.GetFriendFolderListRes.FolderOrderType = friend_folder_attribute.m_folder_order_type;
        foreach (var folder in friend_folder_attribute.m_folders.Values)
        {
            FriendFolder friendFolder = new FriendFolder();
            friendFolder.FolderName = folder.FolderName;
            friendFolder.IsHold = folder.IsHold;
            friendFolder.HoldTime = Timestamp.FromDateTime(folder.HoldTime);
            friendFolder.CreateTime = Timestamp.FromDateTime(folder.CreateTime);
            ack_packet.Response.GetFriendFolderListRes.FriendFolderList.Add(friendFolder);
        }   

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            string err_msg = $"send_S2C_ACK_FRIEND_FOLDER_LIST Fail !!! : owner:{owner.toBasicString()}";
            result.setFail(ServerErrorCode.ProudNetException, err_msg);
            Log.getLogger().error(result.toBasicString());
            
            return result;
        }

        return result;
    }
}