import msgpack

cdef class RemoteCommand:
    def __init__(self, CommandType command_type, str filename, bytes data):
        self.command_type = command_type
        self.filename = filename
        self.data = data

    def __str__(self):
        command_type_names = {
            10: "GET_USER",
            20: "LOAD",
            30: "INFERENCE",
            40: "STOP INFERENCE",
            100: "EXIT"
        }
        data_str = f'. Data: {len(self.data)} bytes' if self.data else ''
        return f'{command_type_names[self.command_type]}: {self.filename}{data_str}'

    @staticmethod
    cdef from_msgpack(bytes data):
        unpacked = msgpack.unpackb(data, strict_map_key=False)
        return RemoteCommand(unpacked.get("CommandType"), unpacked.get("Filename"), unpacked.get("Data"))