import sys
from switch import Switch
import select
from machine import Pin


SWITCHES = dict()
LED = Pin("LED", Pin.OUT)  # "LED" — специальное имя для встроенного индикатора



def load_switches():
    with open("config.json", "r") as file:
        import json
        config = json.load(file)
        for sw_cfg in config["switches"]:
            sw = Switch(
                id=sw_cfg["id"],
                pin=sw_cfg["pin"],
                angle_minus=sw_cfg["angle_minus"],
                angle_plus=sw_cfg["angle_plus"]
            )
            SWITCHES[sw.id] = sw
    # print(f"Loaded {len(SWITCHES)} switch{'es' if len(SWITCHES) > 1 else ''}.")


def resolve_command(command: str):
    parts = command.split()
    if len(parts) == 4 and parts[0] == "SWITCH" and parts[2] == "TURN":
        try:
            sw_id = int(parts[1])
        except ValueError:
            return "ERROR Invalid ID"

        direction = parts[3]
        if direction not in ("+", "-"):
            return "ERROR Invalid direction"

        if sw_id not in SWITCHES:
            return f"ERROR Switch {sw_id} not found"

        # Выполняем действие
        if direction == "+":
            SWITCHES[sw_id].set_plus()
        else:
            SWITCHES[sw_id].set_minus()

        # РОВНО ОДНА СТРОКА — подтверждение успеха
        return f"EVENT SWITCH {sw_id} {direction}"
    elif parts[0] == "GET" and parts[1] == "ALL":
        evts = []
        for id, sw in SWITCHES.items():
            evts.append(f"EVENT SWITCH {id} {sw.pos}")
        return "\n".join(evts)


def work():
    poll = select.poll()
    poll.register(sys.stdin, select.POLLIN)

    while True:
        events = poll.poll()
        for fd, event in events:
            if event & select.POLLIN:
                try:
                    line = sys.stdin.readline().strip()
                    if not line:
                        continue

                    parts = line.split()
                    result = resolve_command(line)
                    if result:
                        print(result)

                except Exception as e:
                    # Любая неожиданная ошибка — тоже одна строка
                    print(f"ERROR {e}")

if __name__ == "__main__":
    LED.on()
    load_switches()
    work()