/*
 * Hangman - The Game
 */
#include <iostream>
#include <string>
#include <vector>
#include <cstdlib>
#include <conio.h>

bool check(const std::string& secretWord, std::string& guess, int chr)
{
  bool found = false;
  for (size_t i = 0; i < secretWord.size(); i++) {
    if (secretWord[i] == chr) {
      guess[i] = chr;
      found = true;
    }
  }
  return found;
}

int main() {

  bool loop = true;
  int attempt = 5;

  std::vector<std::string> words = {"concealed", "secret", "hidden", "unknown", "mysterious" };

  std::srand(std::time(nullptr));

  std::string secretWord = words[std::rand() % words.size()];
  std::string guess(secretWord.size(), '_');

  // Welcome Screen
  std::cout << "Hangman - The Game\n\n";
  while (loop) {
    // Input guess
    std::cout << "Attempt: " << attempt << "\n";
    std::cout << "Hint   : Secret\n";
    std::cout << "Rules  : Only write lower case letters or the secret word.\n";
    std::cout << "Guess  : " << guess;

    if (!check(secretWord, guess, _getch()))
    {
      attempt--;
    }

    std::cout << "\n";

    if (secretWord == guess) {
      loop = false;
      std::cout << "\nCongratulations, you have won!\n";
    } else if (attempt == 0) {
      loop = false;
      std::cout << "\nGame over!\n";
    }
  }

  std::cout << "the secret word was: " << secretWord << "\n";
}