harue.py

from typing import Any, Dict
from json import load, JSONDecodeError, dumps
from os.path import exists, getsize


def read_json(file_name: str) -> Any:
    """
    Reading a JSON file.

    Args:
        file_name: str: The name of the file.

    Returns:
        Any
    """
    try:
        file = open(file_name, "r")
        data: Any = load(file)
        file.close()
        return data
    except JSONDecodeError as error:
        print(f"Failed to decode file.\nFile Path: {file_name}\nError: {error}")
        return None

def check_data_file(file_name: str) -> Dict[str, Any]:
    """
    Checking the data from the file and creating if it is empty or not existing.

    Args:
        file_name: str: The name of the file.

    Returns:
        Dict[str, Any]
    """
    if not (exists(file_name) and getsize(file_name) > 0):
        print(f"Data not found.\nFile Path: {file_name}")
        file = open(file_name, "w")
        data: Dict[str, str] = {
            "Status": "No Accounts"
        }
        file.write(dumps(data, indent=4))
        file.close()
        return data
    return read_json(file_name)

def check_status(data: Dict[str, Any], file_name: str) -> None:
    """
    Checking the status of the data before processing the data.

    Args:
        data: Dict[str, Any]: The data
        file_name: str: The name of the file.

    Returns:
        None
    """
    username: str
    password: str
    username_placeholder: str
    if "Status" in data and data["Status"] == "No Accounts":
        print("No Accounts Found!")
        username = str(input("Enter a username: "))
        password = str(input("Enter a password: "))
        file = open(file_name, "w")
        username_placeholder = f"Account_{username}"
        data[username_placeholder] = {
            "password": password
        }
        del data["Status"]
        file.write(dumps(data, indent=4))
        file.close()
        print(f"Account Created!\nUsername: {username}")
        return None
    print("Accounts Found!")
    username = str(input("Enter your username: "))
    password = str(input("Enter your password: "))
    username_placeholder = f"Account_{username}"
    if data[username_placeholder]["password"] == password:
        print(f"User Logged in!\nUsername: {username}")
        return None
    print(f"Incorrect Password!\nUsername: {username}")
    return None

file_name: str = "data.json"
data: Dict[str, Any] = check_data_file(file_name)
check_status(data, file_name)
exit()