import builtins

from loguru import logger


class EventsSystem:
    def __init__(self):
        self.log = logger.bind(module="EventsSystem", prefix="EVENTS")
        self.__events = {}
        logger.debug("Injected to builtins")
        builtins.event = self
        logger.debug("EventsSystem ready")

    def register(self, event_name, callback):
        log = self.log.bind(prefix="register")
        log.debug(f"{event_name!r}; {callback.__name__}({callback})")
        if not callable(callback):
            return log.error(f"Bad event '{event_name}' - cannot registered")
        if event_name not in self.__events:
            self.__events.update({str(event_name): [callback]})
        else:
            self.__events[event_name].append(callback)

    def call(self, event_name, *args, **kwargs):
        log = self.log.bind(prefix="call")
        funcs_data = []
        if event_name in self.__events.keys():
            for callback in self.__events[event_name]:
                log.debug(f"{event_name!r}; execute: '{callback.__name__}'; data: {args=}; {kwargs=}")
                try:
                    event_data = {"event_name": event_name, "args": args, "kwargs": kwargs}
                    funcs_data.append(callback(event_data))
                except Exception as e:
                    log.error(f"Error in {callback.__name__}. See debug.log")
                    log.exception(e)
        else:
            log.error(f"Event '{event_name}' not found.")

        return funcs_data