import bcrypt

def create_user(db, login_info, user_info):

    """
    Creates a new user
    
    Parameters:
    db (psycopg2.connection): connection to postgres database
    login_info (dict of str:int): username and password info
    user_info (dict of str:int): name and dob info

    Returns:
    bool: success of user creation
    str: result message
    """

    username, password = login_info["username"], login_info["password"]
    password_hash = bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
    name, dob = user_info["name"], user_info["dob"]
    with db:
        with db.cursor() as curs:
            curs.execute("SELECT * FROM Users WHERE username = %s", (username,))
            conflicts = curs.fetchall()
            if conflicts:
                return False, "Duplicate username"
            curs.execute("INSERT INTO Users (username, password_hash, name, dob) VALUES (%s, %s, %s, %s)", (username, password_hash, name, dob))
        db.commit()
    return True, "Success"

def get_user(db, id):
    pass

def create_event(db):
    pass

def finish_event(db, event):
    pass

def create_tournament(db, events):
    pass