import asyncio
import inspect
import traceback

from config import Config
import os
import toml


class BaseModule:

    def __init__(self, client):
        with open(os.path.join(os.path.dirname(inspect.getfile(self.__class__)), "infos.toml")) as f:
            self.infos = toml.load(f)
        self.name = self.infos["name"]
        self.client = client
        self.config = Config(path=os.path.join(client.config["data_folder"], self.name.lower(), "config.toml"))

    async def _run_event(self, coro, event_name, *args, **kwargs):
        try:
            await coro(*args, **kwargs)
        except asyncio.CancelledError:
            pass
        except Exception:
            try:
                self.client.dispatch('error', event_name, traceback.format_exc(), *args, **kwargs)
            except asyncio.CancelledError:
                pass

    def __dispatch__(self, event, *args, **kwargs):
        method = 'on_' + event
        try:
            coro = getattr(self, method)
        except AttributeError:
            pass
        else:
            asyncio.ensure_future(self._run_event(coro, method, *args, **kwargs), loop=self.client.loop)

    async def on_config_update(self):
        self.config.load()