#  Copyright (c) 20.09.25, 15:06. a.jurcenko@inproduct.de
import abc
import datetime
import enum
import os


class EVENTPERIOD(enum.Enum):
    ONETIME = 0
    CONTINUOUS = 1


class Event(abc.ABC):

    def __init__(self, name, description, task, period):
        self.name = name
        self.description = description
        self.task = task
        self.period = period
        self.active = True
        self.counter = 0

    @abc.abstractmethod
    def check_conditions(self):
        pass



class TimeEvent(Event):

    def __init__(self, name=None, description=None, task=None, period=EVENTPERIOD.ONETIME, time=None):
        super().__init__(name, description, task, period)
        self.time = time

    def check_conditions(self):
        if not self.active:
            return
        if datetime.datetime.now() > self.time:
            self.task.execute()
            self.counter += 1
            if self.period == EVENTPERIOD.ONETIME and self.counter > 0:
                self.active = False


class SystemEvent(Event):

    def __init__(self, name=None, description=None, task=None, period=EVENTPERIOD.ONETIME, time=None):
        super().__init__(name, description, task, period)

    def check_conditions(self):
        pass


class DirectoryWatchEvent(SystemEvent):
    def __init__(self, name=None, description=None, task=None, period=EVENTPERIOD.CONTINUOUS, directory=None):
        super().__init__(name, description, task, period)
        self.directory = directory
        self.files_in_directory = os.listdir(self.directory)

    def check_conditions(self):
        files = os.listdir(self.directory)
        if sorted(files) != sorted(self.files_in_directory):
            self.task.execute()
        self.files_in_directory = os.listdir(self.directory)