from dataclasses import dataclass


@dataclass 
class RelayState:
    relay_id: int
    state: bool


def resp_to_relay_state(cmd: str) -> RelayState:
    state = True if cmd.find("ON") > -1 else False
    #state = False if cmd.find("OFF") > -1 and state == None else None
    
    r_state = RelayState(0, state)
    id = 0

    if cmd.startswith("T"):
        id = int(cmd[1]) + (8 if cmd[2] == "B" else 0)
    elif cmd.startswith("re_"):
        id = int(cmd[3]) + (8 if cmd[4] == "B" else 0)

    r_state = RelayState(id, state)
    return r_state


def relay_state_to_cmd(r_state: RelayState) -> str:
    #r[NUM][CMD]
    cmd = 8 if r_state.state else 9
    id = r_state.relay_id
    # banka B
    if id > 8:
        cmd -= 2
        id -= 8
    return f"r{id}{cmd}"
    #return "r" + str(id) + str(cmd)