'''
Author: Sohie Lee
Purpose: CS111 Dictionaries + File Format practice using 
         jeopardy json file (216930 questions)
         in the provided list of dicts
Date: Fall 2021
Filename: jeopardy.py
'''

import json
import random


def getJeopardyList(jsonfile):
    ''' Returns the Jeopardy list of questions stored in the given json file
    '''
    try:
        with open(jsonfile, 'r') as inputFile:
            jeopardyList = json.load(inputFile)
        return jeopardyList
    
    except FileNotFoundError:
        print('Oops, ran into a problem finding the file', jsonfile)
    except:
        return 'Error attempting to read json file '+jsonfile
                
    
def makeCategoryDict(jList):
    '''Given the list of jeopardy dictionaries, creates a new category-based
     dictionary with categories as keys and lists of tuples with (question, answer)
     as values.
     '''
    
    categoryDict = {}
    for question in jList:
        cat = question['category']
        quest = question['question']
        ans = question['answer']
        if cat in categoryDict:
            categoryDict[cat].append((quest, ans))
        else:
            categoryDict[cat] = [(quest, ans)]
            
    return categoryDict
        

def playJeopardy(categoryDict, categoryList, numRounds):
    '''Relies upon category dictionary to play the game for numRounds, using only
       specified categories in categoryList.
    '''
    try:
        print("Welcome to Jeopardy! I will be your host today.")
        print('You can choose from these categories: ', categoryList)
        # initialize counter outside the for loop
        correct = 0

        for round in range(numRounds):
            categoryChoice = input('Which category? ').upper()
            questionAnswerCombo = categoryDict[categoryChoice]
            theQuestion, theAnswer = random.choice(questionAnswerCombo)
            print(theQuestion)
            print()
            userAnswer = input('Please type your answer here: ')
            if userAnswer.lower().strip() == theAnswer.lower().strip():
                print('Correct!')
                # count this as a correct answer
                correct += 1
            else:
                print('Sorry, you were wrong, the correct answer is', theAnswer)
                
        print('-' * 30)
        print('Your score:', correct, 'answer(s) correct out of ',numRounds, '('+f"{correct/numRounds*100}%"+')')
    
    except KeyError:
        print('Sorry, that does not match one of my categories:', categoryList)
        
    
# Testing code below here
jeopardyList = getJeopardyList('jeopardy.json')
jeopardyCategoryDict = makeCategoryDict(jeopardyList)
playJeopardy(jeopardyCategoryDict, ['FASHION', 'ALMA MATERS', 'FACT OR FICTION?', 'THE OSCARS'], 5)