// Bulls and Cows the game
// CGame.cpp
//
#include "defines.h"
#include "CGame.h"
#include "CUserInput.h"
#include "CPrint.h"
#include <iostream>
#include <random>

void CGame::Init()
{
	m_ucBulls = 0;
	m_ucCows = 0;
	m_uStepCounter = 0;
	m_fGameIsEnd = false;
	m_sLastError = L"";

	std::random_device r;
	std::default_random_engine e(r());
	std::uniform_int_distribution<int> d(0, 9);

	m_uGuessedNumber = new int[m_ucDigits] { 0 };

	int n = 0;

	for (int i = 0; i < m_ucDigits; ++i)
	{
		n = d(e);
		if (i > 0)
		{
			while (IsEqual(m_uGuessedNumber, n, i))
			{
				n = d(e);
			}
		}
		m_uGuessedNumber[i] = n;
	}
}

void CGame::Start()
{
	CStep step;

	int ret = 0;

	while (!m_fGameIsEnd)
	{
		do
		{
			CPrint::GameHeader();
			CPrint::GuessedNumber(this, IS_SHOW);
			CPrint::Steps(this);
		} while (!GetNumber(step));

		m_uStepCounter++;
	}

	CPrint::GameHeader();
	CPrint::GuessedNumber(this, true);
	CPrint::Steps(this);
	CPrint::GameFooter(this);
}

bool CGame::GetNumber(CStep step)
{
	std::wcout << L"\t\t\t\t\t" << m_sLastError << L"\r";
	std::wcout << "=>\t";

	CUserInput userInput(m_ucDigits);

	if (userInput.Get())
	{
		for (unsigned i = 0; i < userInput.m_vUserInput.size(); i++)
		{
			if (IsEqual(userInput.m_vUserInput, userInput.m_vUserInput.at(i), i))
			{
				m_sLastError = strERROR_1;
				return false;
			}
		}
	}
	else
	{
		m_sLastError = strERROR_2_1 + std::to_wstring(m_ucDigits) + strERROR_2_2;
		return false;
	}

	step.StoreStepNumber(userInput.m_vUserInput);
	step.CheckForAnimals(m_uGuessedNumber, m_ucDigits);
	m_Steps.push_back(step);

	if (step.GetStepAnimals().first == m_ucDigits) m_fGameIsEnd = true;

	m_sLastError = L"";
	return true;
}

CGame::CGame()
{
	CUserInput userInput(1);

	bool ok = false;

	do
	{
		CPrint::GameHeader();
		CPrint::GameInitialQuery();
		std::wcout << "=> ";

		if (userInput.Get())
		{
			if ((userInput.m_vUserInput.at(0) >= 3) && (userInput.m_vUserInput.at(0) <= 5))
			{
				m_ucDigits = userInput.m_vUserInput.at(0);
				ok = true;
			}
			else
			{
				userInput.m_vUserInput.clear();
			}
		}
	} while (!ok);
}

CGame::~CGame()
{
	delete[] m_uGuessedNumber;
}