#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import math
from os import path

SAVE_FILE = '/usr/bin/.grade1'

QUESTIONS = [
        'Question 1) What is the answer to level 1?',
        'Question 2) What is the answer to level 2?',
        ]

ANSWERS = ['', '000ff2bf441600488eb474a24fa1dce3012449ea']

SCORE = 0

CONGRATULATIONS = '''CONGRATULATIONS!!!'''

AWESOME = '''Awesome :D'''

FAIL = '''Fail :('''

def get_input():
    ans = raw_input('> ')
    return ans.strip()

def load_level():
    global SCORE
    try:
        f = open(SAVE_FILE, 'rt')
        level = int(f.read().strip())
        f.close()
        SCORE = level * 10
        print 'Your current score is %d' % SCORE
    except:
        level = 0
    return level

def write_level(l):
    f = open(SAVE_FILE, 'wt')
    f.write(str(l))
    f.close()

def check_ans(l, ans):
    if(l == 0):
	try:
	    nums = ans.split()
	    a = float(nums[0])
	    b = float(math.log(float(nums[1]), 10))
	    if(a == b):
		return True
	except:
	    return False

    import hashlib
    return hashlib.sha1(ans).hexdigest() == ANSWERS[l]

def ask_question(l):
    print QUESTIONS[l]
    if(l != 2):
        ans = get_input()
    else:
	ans = ''
    if check_ans(l, ans):
        correct(l)
    else:
        lose(l)

def correct(l):
    global SCORE
    write_level(l + 1)
    SCORE = SCORE + 10
    print AWESOME
    print '+10 marks'
    if l == len(QUESTIONS) - 1:
        win()
    else:
        print 'Your current score is %d' % SCORE
        print 'You have %d questions to go!' % (len(QUESTIONS) - l - 1)
        print ''


def win():
    print CONGRATULATIONS
    print 'Your final score is %d' % SCORE
    raw_input('Press any key to continue...')
    exit()

def lose(l):
    print FAIL
    print 'Your current score is %d' % SCORE
    print 'You have %d questions to go!' % (len(QUESTIONS) - l)
    raw_input('Press any key to continue...')
    exit()

if __name__=="__main__":
    if(len(sys.argv) == 2):
	if(sys.argv[1] == 'r'):
	    write_level(0)
    l = load_level()
    if l == len(QUESTIONS):
        win()
    else:
        for i in range(l, len(QUESTIONS)):
            ask_question(i)