/*--------------------------------------------------------
 * Program 2: Mastermind Game
 *
 * Class: CS 141, Summer 2019
 * System: Windows 10, Codio.com
 * Author: Travis Lee
 *
 * --------------------------------------------------------
 */

#include <iostream>
#include <stdlib.h>
#include <iomanip>

using namespace std;


int main()
{
    //Declare Variables
    int origValue[3];
    int userInput;
    int inpArray[3];
    int turnCap = 11;
    int correctCount = 0;
    int wrongCount = 0;
    int zeroCount = 0;
    int nineCount = 0;

    //Print out ID information (class, author)
    cout << "Class: CS 141, Summer 2019" << endl;
    cout << "Author: Travis Lee" << endl;
    cout << endl;

    // Print out the program instructions and name of program
    cout << "Program 2: Mastermind" << endl;
    cout << "The program selects 3 distinct random digits 0..9." << endl;
    cout << "On each turn you guess 3 digits. The program indicates" << endl;
    cout << "how many are correct. You have 10 moves to guess the number." << endl;
    cout << "Good luck!" << endl;
    cout << endl;
    cout << "Input of 000 displays the hidden digits. Input of 999 exits the program" << endl;

    //choose 3 digits from 0..9 at random and store them
    for(int i = 0; i < 3; ++i)
    {
        origValue[i] = rand() % 10;
    }


    //Display top of "Board"
    cout << "\t\t\tIn place   Out of place" << endl;
    cout << "\t\t\t--------   --------" << endl;

    //Main loop to run through the 10 turns
    for(int i = 1; i < turnCap; ++i)
    {
        cout << i << ". Your guess: ";

        //Take in the user's input
        cin >> userInput;

        //splits up the input and puts them into an array
        inpArray[0] = (userInput / 100) % 10;
        inpArray[1] = (userInput / 10) % 10;
        inpArray[2] = userInput % 10;

        cout << "\tYou entered: ";

        //Print user's input and check compares original value
        //with input value increments Count variables based off of result
        for(int c = 0; c < 3; ++c)
        {
            cout << inpArray[c];
            if(inpArray[c] == 9)
            {
                nineCount = nineCount + 1;
            }
            if(inpArray[c] == 0)
            {
                zeroCount = zeroCount + 1;
            }
            if(inpArray[c] == origValue[c])
            {
                correctCount = correctCount + 1;
            }
            else if(inpArray[0] == origValue[c])
            {
                wrongCount = wrongCount +1;
            }
            else if(inpArray[1] == origValue[c])
            {
                wrongCount = wrongCount +1;
            }
            else if(inpArray[2] == origValue[c])
            {
                wrongCount = wrongCount +1;
            }

        }

        //Exits program if user enters 999
        if(nineCount == 3)
        {
            cout << endl;
            cout << "Exiting program..." << endl;
            exit(0);
        }

        //Prints the in place and out of place spots
        cout << "   ";
        cout << correctCount << "\t\t";
        cout << wrongCount << endl;

        //Exit the program and print out exiting statements if user guessed correctly
        if(correctCount == 3)
        {
            cout << endl;
            cout << "*** Congratulations! ***" << endl;
            cout << "Exiting program..." << endl;
            exit(0);
        }

        //Resets correctCount and wrongCount
        if(zeroCount == 3)
        {
            cout << "\t\t\t Hidden digits: ";
            for(int i = 0; i < 3; ++i)
            {
                cout << origValue[i];
            }
            cout << endl;
        }
        correctCount = 0;
        wrongCount = 0;

        //Resets nineCount so the program only ends when user
        //types 3 nines at the same time
        nineCount = 0;

        //Resets zeroCount so the program only prints hidden digits
        //when user types three zeros at the same time
        zeroCount = 0;

    }

    //Prints program exit after the 10 turns from the loop above
    cout << " Better luck next time." << endl;
    cout << endl;
    cout << "Exiting program..." << endl;

}