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

from typing import Any, Optional, Self, Sequence
from Interfaces.Application.AnPInterface import AnPInterface
from Utils.Common import Common

class SettingsManager:

    DEFAULT_SETTINGS:dict[str, Any|None] = {
        "default_settings_files" : "/JSON/AnP.settings.json",
    }

    def __init__(self:Self, 
        anp:AnPInterface, 
        inputs:Optional[dict[str, Any|None]|Sequence[Any|None]] = None
    ) -> None:
        
        self.anp:AnPInterface = anp
        self.__inputs:dict[str, Any|None] = Common.get_dictionary(inputs)
        self.__settings:dict[str, Any|None] = {}
        self.__secrets:dict[str, Any|None] = {}

        self.update()

    def update(self:Self) -> None:

        key:str

        for key in ("default_settings_files", "settings_files", "default_settings", "settings"):
            self.add(self.get(key), True)
        for key in ("default_secrets_files", "secrets_files", "default_secrets", "secrets"):
            self.add_secret(self.get(key), True)

    def reset(self:Self) -> None:

        self.__settings = {}
        self.__secrets = {}

        self.update()

    def get(self:Self, 
        keys:str|Sequence[str], 
        inputs:Optional[dict[str, Any|None]|Sequence[Any|None]] = None, 
        default:Optional[Any] = None
    ) -> Any|None:
        return Common.get_value(keys, (
            inputs, self.__inputs, self.__secrets, self.__settings, self.DEFAULT_SETTINGS
        ), default)
    
    def add(self:Self, inputs:Any|None, overwrite:bool = False) -> None:
        
        subinputs:dict[str, Any|None]

        for subinputs in Common.load_json(inputs, True):

            key:str
            value:Any|None

            for key, value in subinputs.items():
                if Common.is_mark_key(key) and value is None:
                    continue
                if overwrite or key not in self.__settings:
                    self.__settings[key] = value

    def add_secret(self:Self, inputs:Any|None, overwrite:bool = False) -> None:
        
        subinputs:dict[str, Any|None]

        for subinputs in Common.load_json(inputs, True):

            key:str
            value:Any|None

            for key, value in subinputs.items():
                if Common.is_mark_key(key) and value is None:
                    continue
                if overwrite or key not in self.__secrets:
                    self.__secrets[key] = value