main.py

from settings import Settings
from users import User
from os import system
import json
from getpass import getpass

class ContactApp :
    def __init__(self) :
        self.settings = Settings()
        self.login_attemps = 0
        self.user = None

    def load_data(self) :
        try :
            with open(self.settings.users_location, 'r') as file:
                self.settings.users = json.load(file)
        except :
            self.settings.users = {}

        try :
            with open(self.settings.contacts_location, 'r') as file:
                self.settings.contacts = json.load(file)
        except :
            self.settings.contacts = {}

        print(self.settings.contacts)
        print(self.settings.users)

    def logger(self) :
        system("cls")
        while self.login_attemps < 3 :
            print("\nPlease login")
            username = input("Username\t: ")
            password = getpass("Password\t: ")

            if username in self.settings.users :
                if self.settings.users[username]["password"] == password :
                    self.user = User(username,
                                    first = self.settings.users[username]["first"],
                                    last = self.settings.users[username]["last"],
                                    password = self.settings.users[username]["password"],
                                    )
                    return True

            print("Login Failed.")
            self.login_attemps += 1

        return False

    def show_menus(self) :
        system("cls")
        print("Welcome ..", self.user.first, self.user.last)
        print(self.settings.menu)

    def check_option_user(self, char) :
        if char == "q" :
            self.settings.active = False
        elif char == "1" :
            pass
        elif char == "2" :
            pass
        elif char == "3" :
            pass
        elif char == "4" :
            pass
        elif char == "5" :
            pass

    def run(self) :
        self.load_data()
        if self.logger() :
            self.settings.active = True
        else :
            self.settings.active = False

        while self.settings.active :
            self.show_menus()
            self.check_option_user(input("Option : ").lower())

if __name__ == "__main__" :
    app = ContactApp()
    app.run()