#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from typing import Any, Self, TypeVar
from Interfaces.Application.NucelarMonitorInterface import NucelarMonitorInterface
from Interfaces.Owners.DispatchersInterface import DispatchersInterface

T = TypeVar("T", bound = DispatchersInterface)

class DispatchersManager:

    def __init__(self:Self, nucelar_monitor:NucelarMonitorInterface) -> None:
        self.nucelar_monitor:NucelarMonitorInterface = nucelar_monitor

        key:str

        self.__dispatchers:dict[str, DispatchersInterface] = {}

        for key in (
            "default_dispatchers_files", "dispatchers_files",
            "default_dispatchers", "dispatchers"
        ):
            self.add(self.nucelar_monitor.settings.get(key, None, []), True)

    def get(self:Self, Type:type[T], key:str) -> T|None:
        if key in self.__dispatchers and isinstance(self.__dispatchers[key], Type):
            return self.__dispatchers[key]
        return None
    
    def add(self:Self, inputs:Any|None, overwrite:bool = False) -> None:
        
        subinputs:dict[str, str|DispatchersInterface]

        for subinputs in self.nucelar_monitor.files.load_json(inputs):

            key:str
            dispatcher:DispatchersInterface|str

            for key, dispatcher in subinputs.items():
                if isinstance(dispatcher, str):
                    dispatcher = self.nucelar_monitor.models.get(DispatchersInterface, dispatcher)(self.nucelar_monitor)
                if dispatcher is not None and isinstance(dispatcher, DispatchersInterface) and (
                    overwrite or key not in self.__dispatchers
                ):
                    self.__dispatchers[key] = dispatcher