#-------------------------------------------------------------------------------
# Name:        A453 Programming Project Sept 2014
#              CA Material 2 - Task 2
# Purpose:      Simple Maths quiz
#
# Author:      Andrew Baker
#
# Created:     24/02/2015
# Copyright:   (c) Andrew Baker 2015
# Licence:     <your licence>
#-------------------------------------------------------------------------------

import random
#----------------------------------------
def getclass():
    classname=""
    found='No'
    prompt="What class are you in?"
    while found=='No':
        classname=input(prompt)
        if any(classname in s for s in classes):
            found='Yes'
        else:
            prompt="Try again. What class are you in?"
    return classname
#----------------------------------------
def getname():
    name=input("What's your name?")
    return name
#----------------------------------------
def quiz(low,high):
    score=0
    for n in range(10):
        firstnum=random.randrange(low,high+1)
        secondnum=random.randrange(low,high+1)
        operand=random.choice(operands)

        #This is a string version of the question being asked
        ques= str(firstnum)+"  " + operand + "  "+str(secondnum)
        ans=eval(ques)   # eval, evaluates a string as a numeric expresion

        prompt="What is:  " + ques + " ?"  #Makes a string to be used in the Input dialogue box

        response=int(input(prompt))  # Get the answer from the user

        # Right or wrong? Deal with it!
        if response==ans:
            print("Well done")
            score +=1
        else:
            print("Incorrect. {} = {} ".format(ques,ans))

    return score
#----------------------------------------
def showscore(score):
    print ("{} has scored {}".format(name,score))
#----------------------------------------
def writetofile():
    writedata=name+":"+str(score)+"\n"
    filename=classname+".txt"
    file = open(filename,"a+")
    file.write(writedata)
    file.close()
#----------------------------------------

# Set the program's parameters
operands=["+","-","*"]
classes=["4BA","4TC","4XY"]
# Set the range of the random numbers
low=1         #int(input("What's the lowest number?"))
high=10        #int(input("What's the highest number?"))

#Here's the quiz program
classname=getclass()
name=getname()
score=quiz(low,high)
showscore(score)
writetofile()