# modules/remote_control.py

from typing import Dict, Any


class RemoteControl:
    # Klassen-Attribut verhindert den Verlust der Geräteliste bei Neu-Instanziierung
    _connected_devices: Dict[str, Dict[str, str]] = {}

    def __init__(self):
        print("RemoteControl geladen")

    @property
    def connected_devices(self) -> Dict[str, Dict[str, str]]:
        return RemoteControl._connected_devices

    def connect_device(self, device_id: str, device_type: str) -> Dict[str, str]:
        self.connected_devices[device_id] = {
            "type": device_type,
            "status": "connected"
        }
        return {
            "device_id": device_id,
            "status": "connected"
        }

    def disconnect_device(self, device_id: str) -> Dict[str, str]:
        if device_id in self.connected_devices:
            self.connected_devices[device_id]["status"] = "disconnected"
            return {
                "device_id": device_id,
                "status": "disconnected"
            }
        return {
            "error": "Gerät nicht gefunden"
        }

    def send_command(self, device_id: str, command: str) -> Dict[str, Any]:
        if device_id not in self.connected_devices:
            return {
                "error": "Gerät nicht verbunden"
            }

        # Falls ein Gerät den Status 'disconnected' hat, wird das Senden blockiert
        if self.connected_devices[device_id].get("status") != "connected":
            return {
                "error": "Gerät ist offline"
            }

        return {
            "device_id": device_id,
            "command": command,
            "status": "sent"
        }

    def list_devices(self) -> Dict[str, Dict[str, str]]:
        return self.connected_devices