import csv
def validatelogin(username, password):
    with open("Users.csv", "r") as file:
        read=csv.DictReader(file)
        for row in read:
            if username in row["Username"]:
                #UserName works
                if password in row["Password"]:
                    return True
                else:
                    return False
            else:
                return False

def login():
    x=False
    while x==False:
        username = input("What is your username? ")
        password = input("What is your password? ")
        x = validatelogin(username, password)
        if x == False:
            print("Nope, Try again! ")
    print("Logged in!")


def register():
    firstname=input("What is your first name? ")
    lastname=input("What is your last name? ")
    age=input("What is your age? ")
    year=input("What is your school year? ")
    username=firstname[0:3]+age
    print("Your username is "+ username)
    password=input("What do you want your password to be? ")

    with open("Users.csv","a") as file:
        write=csv.writer(file)
        write.writerow([username,password,firstname,lastname,age,year])

def writequestions(sub,question,ansA,ansB,ansC,ansD,correct):
    with open("Questions.csv","a") as file:
        write=csv.writer(file)
        write.writerow([sub,question,ansA,ansB,ansC,ansD,correct])

def questionmaker():
    sub=input("What is the subject? ")
    question=input("What is the question? ")
    ansA=input("What is answer A")
    ansB=input("What is answer B")
    ansC=input("What is answer C")
    ansD=input("What is answer D")
    correct=input("Which answer is correct? A B C or D")
    writequestions(sub,question,ansA,ansB,ansC,ansD,correct)

def gettopics():
    topics=[]
    with open("Questions.csv","r") as file:
        read=csv.DictReader(file)
        for row in read:
            topics.append(row["Questions"])
    return topics

def removedupes(lst):
    return list(set(lst))

def questions():
    questions=[]
    print("Choose a topic out of the list below.")
    topics=removedupes(gettopics())
    for i in topics:
        print(i)
    UI=input("Option:  ")
    while UI not in topics:
        print("That was not an option. Look at the list again and try to select one of them")
        UI=input("Option: ")
    alltopics=gettopics()
    with open("Questions.csv","r") as file:
        read=csv.DictReader(file)
        for row in read:
            if UI in row["Questions"]
    questions.append()
    #need to randomly select for test function