import pandas as pd
import time

from typing import Union
from PyQt5.QtWidgets import QWidget

from utils.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.update_status("CSV found! Calculating...")
            self._converter.convert_data(data)

        if issubclass(source.__class__, BaseDataConverter):
            self.update_status(0.5)
            self._passportFormer.form_passports(data)

        if issubclass(source.__class__, BasePointPassportFormer):
            self.update_status(1)
            self._plot.build(data)

        if issubclass(source.__class__, BasePlotWidget):
            self.update_status(100)
            self._controller.send_widgets(data)
        
    def update_settings(self, settings: list[dict]):
        self._monitor.update_settings(settings)
        self._passportFormer.update_settings(settings)
    
    def update_status(self, msg: Union[str, float]) -> None:
        self._controller.update_status(msg)