#include <glwebtools/internal/glwebtools_default_config.h>

#include <glwebtools/os/glwebtools_console.h>
#include <glwebtools/internal/glwebtools_macro.h>
#include <glwebtools/internal/glwebtools_memory.h>

#ifdef ANDROID
#include <android/log.h>
#else
	#if defined(WINAPI_FAMILY) && ((WINAPI_FAMILY==WINAPI_FAMILY_APP) || (WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP))
		#include <Windows.h>
		#include <string>
	#else
		#include <stdio.h>
	#endif
#endif

namespace glwebtools 
{
	#if defined(WINAPI_FAMILY) && ((WINAPI_FAMILY==WINAPI_FAMILY_APP) || (WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP))
	namespace
	{

		bool s2ws(const char* input, std::wstring& output)
		{
			const int wchars_num = MultiByteToWideChar( CP_UTF8, 0, input, -1, NULL, 0);
			output.clear();
			output.resize(wchars_num);
			return SUCCEEDED(MultiByteToWideChar( CP_UTF8, 0, input, -1, &output[0], wchars_num));
		}

		bool s2ws(const std::string& input, std::wstring& output)
		{
			return s2ws(input.c_str(), output);
		}
	}
#endif

	//statics
	ConsoleImplInterface* Console::s_impl = 0;
	Console* Console::s_instance = 0;
	unsigned int ConsoleImplInterface::s_logLevel = GLWEBTOOLS_CONSOLE_DEFAULT_LEVEL;
	
	void Console::SetConsoleImpl(ConsoleImplInterface* externalConsole)
	{
		s_impl = externalConsole;
	}

	void Console::SetLogLevel(unsigned int level)
	{
		glwebtools::ConsoleImplInterface::s_logLevel = level;
	}
	
	void Console::Print(unsigned int level, const char* format, ...)
	{
#if GLWEBTOOLS_ENABLE_CONSOLE
		va_list	argptr;
		va_start (argptr,format);
		if(s_impl) //custom console
		{
			s_impl->Print(level, format, argptr);
		}
		else
		{
			_Print(level, format, argptr);
		}
		va_end(argptr);
#endif
	}

	Console::Console()
	{
#ifdef GLWEBTOOLS_DEBUG
		GLWEBTOOLS_ASSERT(false);
		GLWEBTOOLS_LOG_INFO("%s", "glwebtools::Console is a purely static class do not instanciate");
#endif
	}
	
	Console::~Console()
	{

	}	
	
	void Console::_Print(unsigned int level, const char* format, va_list arguments)
	{
		if(level <= glwebtools::ConsoleImplInterface::s_logLevel)
		{				
#ifdef ANDROID
	#if _DEBUG
			__android_log_vprint(ANDROID_LOG_FATAL-level, "GLWT", format, arguments);
	#endif
#else
	#if defined(WINAPI_FAMILY) && ((WINAPI_FAMILY==WINAPI_FAMILY_APP) || (WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP))
		static const wchar_t* LEVEL_STR[6] = { L"", L"FATAL", L"MAJOR", L"MINOR", L"INFO", L"VERBOSE" };

		wchar_t wbuffer[1024];

		swprintf_s(wbuffer, 1024, L"[GLWEBTOOLS_%s] ", level <= 5 ? LEVEL_STR[level] : LEVEL_STR[5]);
		OutputDebugStringW(wbuffer);

		char buffer[1024];
		std::wstring wstr;

		vsnprintf_s(buffer, 1024, _TRUNCATE, format, arguments);
		s2ws(buffer, wstr);
		OutputDebugStringW(wstr.c_str());

		OutputDebugStringW(L"\n");
	#else

		static const char* LEVEL_STR[6] = { "", "FATAL", "MAJOR", "MINOR", "INFO", "VERBOSE" };
		printf("[GLWEBTOOLS_%s] ", level <= 5 ? LEVEL_STR[level] : LEVEL_STR[5]);
		vprintf(format, arguments);
		printf("\n");
	#endif
#endif
		}
	}	
}