class Register:

    def register_user(self, username_input, password_input):

        if (username_input and password_input) != "":
            file = open("user_list.txt")
            delimiter = ";"
            data = {}
            for line in file.readlines():
                a = line.strip().split(delimiter)
                if len(a) == 2:
                    data[a[0]] = a[1]
                    file.close()

            if username_input in data:
                save = 2
            else:
                file_write = open("user_list.txt", "a")
                file_write.write(username_input + "," + password_input + "\n")
                file_write.close()
                save = 1
        else:
            save = 3
        return save

class Control:

    def user_control(self, username_input, password_input):

        if (username_input and password_input) != "":
            file = open("user_list.txt")
            delimiter = ";"
            data = {}
            for line in file.readlines():
                a = line.strip().split(delimiter)
                if len(a) == 2:
                    data[a[0]] = a[1]

            if username_input in data:
                password = data[username_input]
                if password == password_input:
                    access = 1
                else:
                    access = 2
            else:
                access = 3
        else:
            access = 4
        return access


class Input:

    def input_main_register(self):

        save_main = 0
        while save_main != 1:
            save_username = input("Insert Username: ")
            save_password = input("Insert Password: ")
            save_main = Register().register_user(username_input=save_username, password_input=save_password)
            if save_main == 2:
                print("USERNAME already in use")
            if save_main == 3:
                print("Invalid")
        if save_main == 1:
            print("succesfully saved")



    def input_main_login(self):

        try_main = 3
        access_main = 0

        while try_main != 0 and access_main != 1:
            control_username = input("USERNAME: ")
            control_password = input("PASSWORD: ")
            access_main = Control().user_control(username_input=control_username, password_input=control_password)

            if access_main == 2 or access_main == 3:
                try_main -= 1
                print("Wrong Parameter try again: ", "you have ", str(try_main), "tries left", "\n")

            if access_main == 3:
                print("try to register")

            if access_main == 4:
                print("Invalid")
        if access_main == 1:
            print("ACCESS")

first_input = 0
while first_input != 0 and first_input != 1:
    first_input = input("0 or 1")
    if first_input != 0 or first_input != 1:
        print("invalid")
if first_input == 0:
    Input().input_main_register()
if first_input == 1:
    Input().input_main_login()