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


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


using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.UseMountPropReq), typeof(UseMountPropPacketHandler), typeof(GameLoginListener))]
internal class UseMountPropPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_USE_MOUNT_PROP(Player owner, Result result, UseMountPropRes res)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.UseMountPropRes = res;

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, Google.Protobuf.IMessage recvMessage)
    {
        var player = entityWithSession as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        var req_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(req_msg, () => $"req_msg is null !!! - {player.toBasicString()}");
        var request = req_msg.Request.UseMountPropReq;
        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        var result = new Result();
        var err_msg = string.Empty;

        var server_logic = GameServerApp.getServerLogic();

        var res = new UseMountPropRes();

        var game_zone_action = player.getEntityAction<GameZoneAction>();
        NullReferenceCheckHelper.throwIfNull(game_zone_action, () => $"game_zone_action is null !!! - {player.toBasicString()}");

        var fn_transaction_runner = delegate ()
        {
            (result, res) = game_zone_action.tryUseMountProp(request.AnchorGuid);
            if (result.isFail())
            {
                err_msg = $"Failed to tryUseMountProp() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_USE_MOUNT_PROP(player, result, res);
                return Task.FromResult(result);
            }

            send_S2C_ACK_USE_MOUNT_PROP(player, result, res);
            player.send_S2C_NTF_USE_MOUNT_PROP(res.AnchorGuid);

            return Task.FromResult(result);
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "UseMountProp", fn_transaction_runner);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        return result;
    }
}