#include <iostream>
#include <cstdlib>
#include <string>
//#include <fstream>
using namespace std;

void test_gen();
int question_gen(string question, bool invert);

int main()
{
    char end_restart('N');

    while (end_restart != 'Y')
    {
        test_gen();

        cout << "Would you like to quit (Y) or take the test again (N)? ";
        cin >> end_restart;
        cout << endl;
        end_restart = toupper(end_restart);
    }

    //cout << "Thank you for taking the test.\n";
    //system("pause");

    return 0;
}

void test_gen()
{
    int extra_score(0),agree_score(0),con_score(0),emo_score(0),open_score(0);

    cout << "Welcome to the Big Five Index, originally written by Oliver P. John.\n";
    cout << "Please enter a number between 1 and 5 for each question.\n";
    cout << "1 is disagree strongly, 2 is disagree, 3 is neutral, 4 is agree, 5 is agree strongly.\n";
    cout << "There are 54 questions in this test, so have fun and good luck!\n\n";
    cout << "I see myself as someone who...\n";

    extra_score += question_gen("Is talkative: ", false);
    agree_score += question_gen("Tends to find fault with others: ", true);
    con_score += question_gen("Does a thorough job: ", false);
    open_score += question_gen("Has a wide range of interests: ", false);
    emo_score += question_gen("Is depressed, blue: ", true);
    open_score += question_gen("Is original, comes up with new ideas: ", false);
    extra_score += question_gen("Is reserved: ", true);
    agree_score += question_gen("Is helpful and unselfish with others: ", false);
    open_score += question_gen("Prefers the conventional, traditional: ", true);
    con_score += question_gen("Can be somewhat careless: ", true);
    emo_score += question_gen("Is relaxed, handles stress well: ", false);
    open_score += question_gen("Is curious about many different things: ", false);
    extra_score += question_gen("Is full of energy: ", false);
    open_score += question_gen("Prefers work that is routine and simple: ", true);
    agree_score += question_gen("Starts quarrels with others: ", true);
    con_score += question_gen("Is a reliable worker: ", false);
    emo_score += question_gen("Can be tense: ", true);
    open_score += question_gen("Is clever, sharp witted: ", false);
    extra_score += question_gen("Tends to be quiet: ", true);
    open_score += question_gen("Values artistic, aesthetic experiences: ", false);
    con_score += question_gen("Tends to be disorganized: ", true);
    emo_score += question_gen("Is emotionally stable, not easily upset: ", false);
    open_score += question_gen("Has an active imagination: ", false);
    con_score += question_gen("Perseveres until the task is finished: ", false);
    agree_score += question_gen("Is somtimes rude to others: ", true);
    emo_score += question_gen("Has unwavering self-confidence: ", false);
    open_score += question_gen("Is inventive: ", false);
    agree_score += question_gen("Is generally trusting: ", false);
    con_score += question_gen("Tends to be lazy: ", true);
    open_score += question_gen("Is clear-thinking, intelligent: ", false);
    emo_score += question_gen("Worries a lot: ", false);
    open_score += question_gen("Wants things to be simple and clear-cut: ", true);
    extra_score += question_gen("Is sometimes shy, inhibited: ", true);
    agree_score += question_gen("Has a forgiving nature: ", false);
    open_score += question_gen("Is idealistic, can be a dreamer: ", false);
    con_score += question_gen("Does things efficiently: ", false);
    emo_score += question_gen("Can be moody: ", true);
    open_score += question_gen("Is ingenious, a deep thinking: ", false);
    extra_score += question_gen("Generates a lot of enthusiasm: ", false);
    agree_score += question_gen("Can be cold and aloof: ", true);
    open_score += question_gen("Enjoys thinking about complicated problems: ", false);
    con_score += question_gen("Makes plans and follows through with them: ", false);
    emo_score += question_gen("Remains calm in tense situations: ", false);
    open_score += question_gen("Likes to reflect, play with ideas: ", false);
    agree_score += question_gen("Is considerate and kind to almost everyone: ", false);
    extra_score += question_gen("Seeks adventure and excitement: ", false);
    emo_score += question_gen("Gets nervous easily: ", true);
    open_score += question_gen("Is sophisticated in art, music, or literature: ", false);
    extra_score += question_gen("Has an assertive personality: ", false);
    open_score += question_gen("Is insightful, sees different possibilities: ", false);
    agree_score += question_gen("Likes to cooperate with others: ", false);
    con_score += question_gen("Is easily distracted: ", true);
    open_score += question_gen("Has few artistic interests: ", true);

    cout << endl;
    cout << "You have successfully completed the test!\n";
    cout << "All scores range from 9-45, except Openness, which ranges from 18-90.\n";
    cout << "Here are your scores:\n";
    cout << "Extraversion: " << extra_score << endl;
    cout << "Agreeableness: " << agree_score << endl;
    cout << "Conscientiousness: " << con_score << endl;
    cout << "Emotional Stability: " << emo_score << endl;
    cout << "Openness: " << open_score << endl << endl;
}

int question_gen(string question, bool invert)
{
    int input(0);
    bool valid(true);

    cout << question;
    cin >> input;
    if(input <=0 || input >=6)
    {
        valid = false;
        while(!valid)
        {
            cout << "Please enter a valid answer (1-5): ";
            cin >> input;
            if(input >=1 && input <= 5) {valid = true;}
        }
    }

    if(invert == true)
    {
        if(input == 1) {input = 5;}
        if(input == 2) {input = 4;}
        if(input == 4) {input = 2;}
        if(input == 5) {input = 1;}
    }

    return input;
}