#include "HGConsole.h"
#include "HGInc.h"

struct HGConsoleImpl
{
	HGConsoleImpl()
	{
#if defined(HG_CMP_MSC)
		m_bAllocConsole = FALSE;
		m_hConsole = INVALID_HANDLE_VALUE;
#endif
	}

	~HGConsoleImpl()
	{
#if defined(HG_CMP_MSC)
		if (INVALID_HANDLE_VALUE != m_hConsole)
			m_hConsole = INVALID_HANDLE_VALUE;
		if (m_bAllocConsole)
		{
			FreeConsole();
			m_bAllocConsole = FALSE;
		}
#endif
	}

#if defined(HG_CMP_MSC)
	BOOL m_bAllocConsole;
	HANDLE m_hConsole;
#endif
};

HGResult HGAPI HGBase_OpenConsole(HGConsole* console)
{
	if (NULL == console)
	{
		return HGBASE_ERR_INVALIDARG;
	}

	HGConsoleImpl* consoleImpl = new HGConsoleImpl;
#if defined(HG_CMP_MSC)
	consoleImpl->m_bAllocConsole = AllocConsole();
	consoleImpl->m_hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
#endif
	*console = (HGConsole)consoleImpl;
	return HGBASE_ERR_OK;
}

HGResult HGAPI HGBase_CloseConsole(HGConsole console)
{
	if (NULL == console)
	{
		return HGBASE_ERR_INVALIDARG;
	}

	HGConsoleImpl* consoleImpl = (HGConsoleImpl*)console;
	delete consoleImpl;
	return HGBASE_ERR_OK;
}

HGResult HGAPI HGBase_WriteConsole(HGConsole console, const HGChar* info)
{
	if (NULL == console || NULL == info || '\0' == *info)
	{
		return HGBASE_ERR_INVALIDARG;
	}

	HGConsoleImpl* consoleImpl = (HGConsoleImpl*)console;
#if defined(HG_CMP_MSC)
	DWORD dwNumberOfCharsWritten;
	WriteConsoleA(consoleImpl->m_hConsole, info, (DWORD)strlen(info), &dwNumberOfCharsWritten, NULL);
    if (info[strlen(info) - 1] != '\n')
        WriteConsoleA(consoleImpl->m_hConsole, "\r\n", (DWORD)strlen("\r\n"), &dwNumberOfCharsWritten, NULL);
#else
	printf(info);
    if (info[strlen(info) - 1] != '\n')
        printf("\n");
#endif
	return HGBASE_ERR_OK;
}