# tool/core/cmd/proto.py
import struct
from core.utils import console, console_err
from core.protocol import COMMANDS, ERRORS

class proto:
    def __init__(self, bus):
        self.bus = bus

    def get(self):
        self.bus.send_request(COMMANDS['get_protocol_version'], None)

        data = self.bus.receive_response(length=1)  
        if not data or data.get('type') == 'error':
            return None

        payload = data['data']
        result = {
            'protocol_version': payload[0]
        }
        return result

    def print(self, result):
        if not result:
            return

        protocol_version = result['protocol_version']
        console.print(f"[title]Protokoll Version[/info] des Controllers ist [info]{protocol_version}[/info]:")