from typing import Union

import pandas as pd
from PyQt5.QtWidgets import QWidget

from base.base import (BaseMediator, BaseDirectoryMonitor, 
                             BaseDataConverter, BasePlotWidget, 
                             BasePointPassportFormer)


class Mediator(BaseMediator):

    def notify(self,
               source: Union[BaseDirectoryMonitor, BaseDataConverter, BasePointPassportFormer, BasePlotWidget],
               data: Union[list[str], list[pd.DataFrame], list[list], list[QWidget]]):
        
        if issubclass(source.__class__, BaseDirectoryMonitor):
            self._controller.update_status("CSV found! Calculating...")
            self._converter.convert_data(data)

        if issubclass(source.__class__, BaseDataConverter):
            self._controller.update_status(1)
            self._passportFormer.form_passports(data)

        if issubclass(source.__class__, BasePointPassportFormer):
            self._controller.update_status(2)
            self._plot.build(data)

        if issubclass(source.__class__, BasePlotWidget):
            self._controller.update_status(100)
            self._controller.send_widgets(data)

    def update_settings(self, settings: list[dict]):
        # TODO: А дописать self.notify не?
        #  if issubclass(source.__class__, BaseController):
        #      self._monitor.update_settings(data)
        #      self._passportFormer.update_settings(data)
        self._monitor.update_settings(settings)
        self._passportFormer.update_settings(settings)