def mainmenu():
    print ("""
        ################################################################################
        #                                                                              #
        #                               clive's carpets                                #
        #                                 login below!                                 #
        #                                                                              #
        ################################################################################
        """)
    validateuser()
def adminmenu():

    print ("""
    ################################################################################
    #                                                                              #
    #                           clive's carpets                                    #
    #                             admin menu                                       #
    #                                                                              #
    #                                                                              #
    # 1 - add a new user                                                           #
    # 2 - exit                                                                     #
    #                                                                              #
    ################################################################################
    """)
    adminmenu = input("\nWhat option would you like to chose? 1 or 2?: \n")
    while True:
        if adminmenu == "1":
            newuser()
            break
        elif adminmenu == "2":
            mainmenu()
            break
def usermenu():
    print("""
        ################################################################################
        #                                                                              #
        #                               clive's carpets                                #
        #                                 user menu                                    #
        #                                                                              #
        ################################################################################
        """)
def newuser():
    usertype, username, password1, password2 = "", "", "", ""

    while True:

        usertype = input("what type of user are you creating\n(1)Admin \n(2)User\nType -1 to exit to the mainn menu\n")
        if usertype == "-1":
            mainmenu()
        if len(usertype) > 1:
            print("\ninvalid input!\n")
        elif usertype.isdigit() != True:
            print("\nplease enter a number: \n")
        elif int (usertype) <1:
            print("\ninvalid input!\n")
        elif int (usertype) >2:
            print("\ninvalid input!\n")
        else:
            break

    while True:

        username = input("\nEnter the name of new user: \n")
        if username == "-1":
            mainmenu()
        if len (username) > 10:
            print ("\nusermane must be less than 11 chars: \n")
        elif username.isalpha() == False:
            print ("\nthe usermane must contain alpha!\n")
        else:
            break
    while True:
        password1 = input("what is your password?\n")
        if password1 == "-1":
            mainmenu()
        if len (password1) >10:
            print ("\npassword must be less than 11 chars: \n")

        password2 = input("AGAIN!\n")
        if password2 == "-1":
            mainmenu()
        if len (password2) >10:
            print ("\npassword must be less than 11 chars: \n")
        if password1 != password2:
            print ("\npassword does not match: \n")
        else:
            break

    username = username.lower()
    password1 = password1.lower()
    password2 = password2.lower()


    usertypestore = str(usertype).ljust(1)
    usernamestore = username.ljust(10)
    passwordstore = password1.ljust(10)

    store = open ("users.txt","a")
    istore = usernamestore + passwordstore + usertypestore + "\n"
    store.write(istore)
    store.close()

    print("\nNew user added: ")
    print("usertype: ",usertype)
    print("username: ",username)
    print("Password: *********")
def validateuser():
    validateusertype, validateusername, validatepassword = "","",""


    username = str(input("\nplease enter your username: \n"))
    password = str(input("\nplease enter your password: \n"))

    while True:
        try:
            readusers = open("users.txt","r")
            validatecounter = 0

            while True:
                location = readusers.readline()
                validateusertype = location[20:21]
                validateusertype = validateusertype.strip()

                validateusername = location[0:10]
                validateusername = validateusername.strip()
                validateusername = validateusername.lower()
                username = username.lower()

                validatepassword = location[10:20]
                validatepassword = validatepassword.strip()
                validatepassword = validatepassword.lower()


                if location == "":
                    readusers.close()
                    break
                if validateusertype == str(1) and validateusername == username and validatepassword == password:
                    validatecounter = validatecounter + 1
                    adminmenu()
                    break
                if validateusertype == str(2) and validateusername == username and validatepassword == password:
                    validatecounter = validatecounter + 1
                    usermenu()
                    break
            if validatecounter == 0:
                print ("\nNo user in file with login details\n")
                validateuser()

        except FileNotFoundError:
            print("\nthere is no user file to search. How about making a new account?  \n")
            newuser()
def main():
    mainmenu()
main()