import secrets
import string
import json
import time
from datetime import datetime

now = datetime.now()
"""Password generation"""
class PasswordGenerator:
    def __init__(self):
        self.password_dict = {

        }
        self.filename = 'password_login.json'
        self.deleted_logins = []

    def create_password(self, login, length=8):
        """Creating a password and saving it to a dictionary"""
        if login in self.password_dict:
            print(f"Login: {login} is already in password list.\nTake another login.")
        alphabet = string.ascii_letters + string.digits + string.punctuation
        password = ''.join(secrets.choice(alphabet) for _ in range(length))
        while True:
            if self.validate_password(password) == True:
                self.password_dict[login] = password
                print(f"Login: {login} | Password: {password} saved!")
                break
            elif self.validate_password(password) == False:
                print(f"Login: {login} | Password: {password} not saved!")
                print("Try again!")
                continue

    def validate_password(self, password):
        if len(password) < 8:
            print("Password must be at least 8 characters long.")
            return False
        if not any(char.isdigit() for char in password):
            print("Password must contain at least one digit.")
            return False
        if not any(char.isalpha() for char in password):
            print("Password must contain at least one letter.")
            return False
        if not any(char in string.punctuation for char in password):
            print("Password must contain at least one special character.")
            return False
        print("Password is valid.")
        return True

    def delete_password(self, user_login):
        """Deleting a password by login"""
        if user_login in self.password_dict.keys():
                print(f"Are you sure you want to delete: Login: {user_login}"
                      f" | Password: {self.password_dict[user_login]}?")
                user_answer = input("Enter y/n: ")
                if user_answer == 'y':
                    deleted_login = self.password_dict.pop(user_login)
                    print(f"Deleted Login: {deleted_login}")
                elif user_answer == 'n':
                    print(f"Ok we dont delete a {user_login} login!")
                else:
                    print("Invalid input. Enter y/n")
        else:
            print(f"Login: {user_login} not found!")

    def save_password_login_json(self):
        """Saving the password dictionary to a JSON file"""
        with open(self.filename, 'w') as f:
            json.dump(self.password_dict, f, indent=4)
        print("Password and login saved!")

    def show_all(self):
        """Show the password dictionary"""
        print("Here is all logins with passwords.")
        for login, password in self.password_dict.items():
            i = '*'
            result = 0
            for _ in password:
                result += 1
            i *= result
            print(f"\t-- Login: {login} | Password: {password.replace(str(password), str(i))}")

class Admin(PasswordGenerator):
    """Class for admins"""
    ADMIN_PASSWORD = 'Hello_World!'
    def __init__(self):
        super().__init__()
        self.login_attempts = 0


    def open_admin_console(self, password_admina, filename_3='login_attempts.txt'):
        try:
            with open(filename_3, 'r') as f:
                self.login_attempts = json.load(f)
        except FileNotFoundError:
            with open(filename_3, 'w') as f:
                json.dump(self.login_attempts, f, indent=4)
        if self.login_attempts >= 3:
            print("Your admin console is blocked, please contact your manager."
                  "\n\tBy mail >> ([email protected])\n\tBy mobile phone >> (+4901541077327)")
            raise RuntimeError("Admin account is blocked")
        if password_admina == self.ADMIN_PASSWORD:
                    while True:
                        print(f"Time: {now.hour}:{now.minute}")
                        print(f"Date: {now}")
                        print("Hello, Admin here is your console!")
                        print("""
1 -- show all passwords
2 -- how many sessions
3 -- delete a login
4 -- back to user meny
                        """)
                        user_choice = int(input("Enter your choice: "))
                        if user_choice == 1:
                            self.show_all(password_admina)
                        elif user_choice == 2:
                            print(f"This is {session + 1} session | All sessions {session}.")
                        elif user_choice == 3:
                            user_login = input("Enter your login: ")
                            if user_login in self.password_dict.keys():
                                deleted_password = self.password_dict.pop(user_login)
                                print(f"Deleted Login: {user_login} | Password: {deleted_password}")
                            else:
                                print(f"Login: {user_login} not found!")
                        elif user_choice == 4:
                            print("Thank you for using Admin Console!")
                            break
                        else:
                            print("Invalid input.")
                            continue
        elif password_admina != self.ADMIN_PASSWORD:
            print(f"Incorrect admin password."
                  f"\n\tBe careful, after 3 attempts your account will be blocked. "
                  f"Number of attempts: {self.login_attempts} it was {self.login_attempts + 1} attempt!!!")
            self.login_attempts += 1
            with open(filename_3, 'w') as f:
                json.dump(self.login_attempts, f, indent=4)

    def show_all(self, password_admina):
        if password_admina == self.env:
            for login, password in self.password_dict.items():
                print(f"\t-- Login: {login} | Password: {password}")
        else:
            print("You cant see passwords. You are not admin!")



print(f"Date: {now.year}-{now.month}-{now.day} | Time: {now.hour}:{now.minute}")
print("Hello to password generator!")
# object of the class PasswordGenerator()
user = PasswordGenerator()
admin = Admin()
# Loading files from JSON into Python to allow adding new passwords
try:
    with open(user.filename, 'r') as f:
        user.password_dict = json.load(f)
except FileNotFoundError:
    print(f"The file {user.filename} does not exist.")

"""Recording and exporting the number of sessions"""
session = 0
try:
    with open('session.json', "r") as f:
        session = json.load(f)
except OSError:
    with open('session.json', 'w') as f:
        json.dump(session, f)
admin.password_dict = user.password_dict
# Console menu
while True:
    time_start = time.time()
    print(f"Time: {now.hour}:{now.minute}")
    print("Here is all options:")
    print("""
1 — Create a password
2 — Show passwords
3 — Save the password
4 — Delete the password by login
5 — Admin console (only if you are an admin!!!)
6 — Exit
""")
    try:
        user_choice = int(input("Enter your choice: "))
    except ValueError:
        print("Please enter a number.")
        continue
    if user_choice not in [1, 2, 3, 4, 5, 6]:
        print("Invalid choice. Please try again.")
        continue
    if user_choice == 1:
        login = input("Enter your login: ")
        user_answer = input("Do you want to give me a length of your password "
                            "or i make 8-chars password? (y/n): ")
        if user_answer == 'y':
            try:
                user_length_password = int(input("How long would you like your password to be: "))
                user.create_password(login, user_length_password)
            except ValueError:
                print("Please enter a number.")
                continue
        elif user_answer == 'n':
            print("I generate a 8-chars password!")
            user.create_password(login)
        else:
            print("Please enter y or n.")
            continue
    elif user_choice == 2:
        if not user.password_dict:
            print("List is empty! Create a password first!")
        else:
            user.show_all()
    elif user_choice == 3:
        if not user.password_dict:
            print("Password is empty! Create a password first!")
        else:
            user.save_password_login_json()
    elif user_choice == 4:
        user_login = input("Enter your login: ")
        user.delete_password(user_login)
    elif user_choice == 5:
        user_login = input("Enter the administrator password: ")
        print("Authentication...")
        time.sleep(5)
        print("Authentication can take a 1-2 minute long. Thank you for waiting.")
        time.sleep(5)
        print("another 5 seconds and it's ready")
        time.sleep(5)
        admin.open_admin_console(user_login)
    elif user_choice == 6:
        try:
            with open(user.filename, 'w') as f:
                json.dump(user.password_dict, f, indent=4)
        except FileNotFoundError:
            print(f"The file {user.filename} does not exist.")
        session += 1
        with open('session.json', 'w') as f:
            json.dump(session, f)
        print("Thank you! See you next time!")
        break
time_end = time.time()
print(f"This was your {session + 1} session!")
print(f"Current session time was: {time_end - time_start}")