#! /usr/bin/python3

user = ''
passW = ''

def login():
    correctUser = False
    correctPass = False
    loggedIn = False
    attempts = 0
    print('You are now at the login screen. Enter a username or type "exit" to leave.')
    while correctUser == False:
        user = input()
        if user == 'admin':
            print('Access granted.')
            correctUser = True
            print('Enter the password.')
        elif user == '':
            print('Enter a username.')
        elif user == 'exit':
            print('Exiting.')
            exit()
        else:
            print('"' + user + '" is not a valid username. Try again.')
    while correctPass == False:
        passW = input()
        if passW == 'admin':
            print('Access granted.')
            correctPass = True
            loggedIn = True
            console()
        elif passW == '':
            print('Enter a password.')
        else:
            attempts = attempts + 1
            if attempts == 5:
                print('Too many attempts.')
                exit()
            else:
                print('Access denied. Try again.')

def console():
    loggedIn = True
    msg = 'You have 3 messages. Type "read" to view, or "back" to go back.'
    print('Welcome to the admin console.')
    while loggedIn == True:
        print('What would you like to do?')
        print('You can try "help," "view messages," or "logout."')
        choice = input()
        if choice == 'help':
            continue
        elif choice == 'view messages':
            print(msg)
            choice = input()
            if choice == 'read':
                msg()
            elif choice == 'back':
                continue
            else:
                stupid = True
                while stupid == True:
                    print('You need to either choose "read" or "back."')
                    choice = input()
                    if choice == 'read':
                        msg()
                    elif choice == 'back':
                        stupid = False
                    else:
                        continue
        elif choice == 'logout':
            loggedIn = False
            login()

def msg():
    viewingMessage = True
    msg1 = 'Hi, this is Bob. I was wondering if you finished those documents. Thanks.'
    msg2 = 'Hello, this is Rachel. Do we still have our meeting scheduled for Thursday?'
    msg3 = 'Howdy, this is Randy from engineering. We have a couple of things to look at in the server room and we will need your help. What time are you available?'
    print('You have 3 messages.')
    print('view 1')
    print('view 2')
    print('view 3')
    print('')
    print('What would you like to do?')
    while viewingMessage == True:
        choice = input()
        if choice == 'help':
            print('Your options are one of the messages, "view" to see the list again, or "back."')
        elif choice == 'view 1':
            print(msg1)
            print('')
        elif choice == 'view 2':
            print(msg2)
            print('')
        elif choice == 'view 3':
            print(msg2)
            print('')
        elif choice == 'view':
            print('You have 3 messages.')
            print('view 1')
            print('view 2')
            print('view 3')
        elif choice == 'back':
            stupid = True
            while stupid == True:
                print('Go back to the admin console? (yes/no)')
                choice2 = input()
                if choice2 == 'yes':
                    stupid = False
                    viewingMessage = False
                    console()
                elif choice2 == 'no':
                    stupid = False
                    print('What would you like to do?')
                else:
                    print('You must type "yes" or "no."')
                    continue
        else:
            print('Are you stuck? Try typing "help."')

login()