/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).

Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop

#include "../sys/sys_local.h"
#include "../framework/EventLoop.h"
#include "../framework/DeclManager.h"

#include <direct.h>
#include <io.h>

idEventLoop* eventLoop;



#define MAXPRINTMSG 4096

#define STDIO_PRINT( pre, post )	\
	char msg[MAXPRINTMSG];			\
	va_list argptr;					\
	va_start( argptr, fmt );		\
	idStr::vsnPrintf( msg, MAXPRINTMSG - 1, fmt, argptr ); \
	msg[ sizeof( msg ) - 1 ] = '\0'; \
	va_end( argptr );				\
	Sys_DebugPrintf( "%s%s%s", pre, msg, post );			\


//idCVar com_developer( "developer", "0", CVAR_BOOL|CVAR_SYSTEM, "developer mode" );
idCVar com_productionMode( "com_productionMode", "0", CVAR_SYSTEM | CVAR_BOOL, "0 - no special behavior, 1 - building a production build, 2 - running a production build" );

/*
==============================================================

	idSys

==============================================================
*/



/*
==============
Sys_DebugPrintf
==============
*/

void Sys_DebugPrintf( const char* fmt, ... )
{
	char msg[MAXPRINTMSG];

	va_list argptr;
	va_start( argptr, fmt );
	idStr::vsnPrintf( msg, MAXPRINTMSG - 1, fmt, argptr );
	msg[ sizeof( msg ) - 1 ] = '\0';
	va_end( argptr );

	printf( msg );
	OutputDebugString( msg );
}

/*
==============
Sys_DebugVPrintf
==============
*/
void Sys_DebugVPrintf( const char* fmt, va_list arg )
{
	char msg[MAXPRINTMSG];

	idStr::vsnPrintf( msg, MAXPRINTMSG - 1, fmt, arg );
	msg[ sizeof( msg ) - 1 ] = '\0';

	printf( msg );
	OutputDebugString( msg );
}

/*
==============
Sys_Mkdir
==============
*/
void Sys_Mkdir( const char* path )
{
	_mkdir( path );
}


/*
========================
Sys_Rmdir
========================
*/
bool Sys_Rmdir( const char* path )
{
	return _rmdir( path ) == 0;
}

/*
==============
Sys_EXEPath
==============
*/
const char* Sys_EXEPath()
{
	static char exe[MAX_OSPATH];
	GetModuleFileName( NULL, exe, sizeof( exe ) - 1 );
	return exe;
}

/*
==============
Sys_ListFiles
==============
*/
int Sys_ListFiles( const char* directory, const char* extension, idStrList& list )
{
	idStr		search;
	struct _finddata_t findinfo;
	// RB: 64 bit fixes, changed int to intptr_t
	intptr_t	findhandle;
	// RB end
	int			flag;

	if( !extension )
	{
		extension = "";
	}

	// passing a slash as extension will find directories
	if( extension[0] == '/' && extension[1] == 0 )
	{
		extension = "";
		flag = 0;
	}
	else
	{
		flag = _A_SUBDIR;
	}

	sprintf( search, "%s\\*%s", directory, extension );

	// search
	list.Clear();

	findhandle = _findfirst( search, &findinfo );
	if( findhandle == -1 )
	{
		return -1;
	}

	do
	{
		if( flag ^ ( findinfo.attrib & _A_SUBDIR ) )
		{
			list.Append( findinfo.name );
		}
	}
	while( _findnext( findhandle, &findinfo ) != -1 );

	_findclose( findhandle );

	return list.Num();
}



int idEventLoop::JournalLevel() const
{
	return 0;
}

/*
========================
Sys_IsFolder
========================
*/
sysFolder_t Sys_IsFolder( const char* path )
{
	struct _stat buffer;
	if( _stat( path, &buffer ) < 0 )
	{
		return FOLDER_ERROR;
	}
	return ( buffer.st_mode & _S_IFDIR ) != 0 ? FOLDER_YES : FOLDER_NO;
}

const char* Sys_DefaultSavePath()
{
	return "";
}

const char* Sys_Lang( int )
{
	return "";
}


/*
=================
Sys_FileTimeStamp
=================
*/
ID_TIME_T Sys_FileTimeStamp( idFileHandle fp )
{
	FILETIME writeTime;
	GetFileTime( fp, NULL, NULL, &writeTime );

	/*
		FILETIME = number of 100-nanosecond ticks since midnight
		1 Jan 1601 UTC. time_t = number of 1-second ticks since
		midnight 1 Jan 1970 UTC. To translate, we subtract a
		FILETIME representation of midnight, 1 Jan 1970 from the
		time in question and divide by the number of 100-ns ticks
		in one second.
	*/

	SYSTEMTIME base_st =
	{
		1970,   // wYear
		1,      // wMonth
		0,      // wDayOfWeek
		1,      // wDay
		0,      // wHour
		0,      // wMinute
		0,      // wSecond
		0       // wMilliseconds
	};

	FILETIME base_ft;
	SystemTimeToFileTime( &base_st, &base_ft );

	LARGE_INTEGER itime;
	itime.QuadPart = reinterpret_cast<LARGE_INTEGER&>( writeTime ).QuadPart;
	itime.QuadPart -= reinterpret_cast<LARGE_INTEGER&>( base_ft ).QuadPart;
	itime.QuadPart /= 10000000LL;
	return itime.QuadPart;
}

/*
================
Sys_GetClockTicks
================
*/
double Sys_GetClockTicks()
{
	LARGE_INTEGER li;

	QueryPerformanceCounter( &li );
	return ( double ) li.LowPart + ( double ) 0xFFFFFFFF * li.HighPart;
}

/*
================
Sys_ClockTicksPerSecond
================
*/
double Sys_ClockTicksPerSecond()
{
	static double ticks = 0;

	if( !ticks )
	{
		LARGE_INTEGER li;
		QueryPerformanceFrequency( &li );
		ticks = li.QuadPart;
	}

	return ticks;
}

/*
==============
Sys_Cwd
==============
*/
const char* Sys_Cwd()
{
	static char cwd[MAX_OSPATH];

	_getcwd( cwd, sizeof( cwd ) - 1 );
	cwd[MAX_OSPATH - 1] = 0;

	return cwd;
}

/*
==============
Sys_DefaultBasePath
==============
*/
const char* Sys_DefaultBasePath()
{
	return Sys_Cwd();
}

int Sys_NumLangs()
{
	return 0;
}

/*
================
Sys_Milliseconds
================
*/
int Sys_Milliseconds()
{
	static DWORD sys_timeBase = timeGetTime();
	return timeGetTime() - sys_timeBase;
}

class idSysCmdline : public idSys
{
public:
	virtual void			DebugPrintf( VERIFY_FORMAT_STRING const char* fmt, ... )
	{
		va_list argptr;

		va_start( argptr, fmt );
		Sys_DebugVPrintf( fmt, argptr );
		va_end( argptr );
	}

	virtual void			DebugVPrintf( const char* fmt, va_list arg )
	{
		Sys_DebugVPrintf( fmt, arg );
	}

	virtual double			GetClockTicks()
	{
		return Sys_GetClockTicks();
	}

	virtual double			ClockTicksPerSecond()
	{
		return Sys_ClockTicksPerSecond();
	}

	virtual cpuid_t			GetProcessorId()
	{
		return CPUID_NONE;
	}

	virtual const char* 	GetProcessorString()
	{
		return NULL;
	}
	virtual const char* 	FPU_GetState()
	{
		return NULL;
	}
	virtual bool			FPU_StackIsEmpty()
	{
		return NULL;
	}
	virtual void			FPU_SetFTZ( bool enable ) {}
	virtual void			FPU_SetDAZ( bool enable ) {}

	virtual void			FPU_EnableExceptions( int exceptions ) {}

	virtual bool			LockMemory( void* ptr, int bytes )
	{
		return false;
	}
	virtual bool			UnlockMemory( void* ptr, int bytes )
	{
		return false;
	}

	virtual int				DLL_Load( const char* dllName )
	{
		return 0;
	}
	virtual void* 			DLL_GetProcAddress( int dllHandle, const char* procName )
	{
		return NULL;
	}
	virtual void			DLL_Unload( int dllHandle ) {}
	virtual void			DLL_GetFileName( const char* baseName, char* dllName, int maxLength ) {}

	virtual sysEvent_t		GenerateMouseButtonEvent( int button, bool down )
	{
		sysEvent_t ev;
		ev.evType = SE_NONE;
		return ev;
	}
	virtual sysEvent_t		GenerateMouseMoveEvent( int deltax, int deltay )
	{
		sysEvent_t ev;
		ev.evType = SE_NONE;
		return ev;
	}

	virtual void			OpenURL( const char* url, bool quit ) {}
	virtual void			StartProcess( const char* exeName, bool quit ) {}
};

idSysCmdline		idSysLocal;
idSys* 				sys = &idSysLocal;

/*
==============================================================

	idCommon

==============================================================
*/

class idCommonLocal : public idCommon
{
public:

	// Initialize everything.
	// if the OS allows, pass argc/argv directly (without executable name)
	// otherwise pass the command line in a single string (without executable name)
	virtual void				Init( int argc, const char* const* argv, const char* cmdline ) { };

	// Shuts down everything.
	virtual void				Shutdown() {}
	virtual bool				IsShuttingDown() const
	{
		return false;
	};

	virtual	void				CreateMainMenu() {}

	// Shuts down everything.
	virtual void				Quit() {}

	// Returns true if common initialization is complete.
	virtual bool				IsInitialized() const
	{
		return true;
	};

	// Called repeatedly as the foreground thread for rendering and game logic.
	virtual void				Frame() {}

	// Redraws the screen, handling games, guis, console, etc
	// in a modal manner outside the normal frame loop
	virtual void				UpdateScreen() {}

	virtual void				UpdateLevelLoadPacifier() {}


	// Checks for and removes command line "+set var arg" constructs.
	// If match is NULL, all set commands will be executed, otherwise
	// only a set with the exact name.
	virtual void				StartupVariable( const char* match ) {}

	// Begins redirection of console output to the given buffer.
	virtual void				BeginRedirect( char* buffer, int buffersize, void ( *flush )( const char* ) ) { };

	// Stops redirection of console output.
	virtual void				EndRedirect() {}

	// Update the screen with every message printed.
	virtual void				SetRefreshOnPrint( bool set ) {}

	virtual void			Printf( const char* fmt, ... )
	{
		STDIO_PRINT( "", "" );
	}
	virtual void			VPrintf( const char* fmt, va_list arg )
	{
		vprintf( fmt, arg );
	}
	virtual void			DPrintf( const char* fmt, ... )
	{
		STDIO_PRINT( "", "" );
	}
	virtual void			Warning( const char* fmt, ... )
	{
		STDIO_PRINT( "WARNING: ", "\n" );
	}
	virtual void			DWarning( const char* fmt, ... )
	{
		STDIO_PRINT( "WARNING: ", "\n" );
	}

	// Prints all queued warnings.
	virtual void				PrintWarnings() {}

	// Removes all queued warnings.
	virtual void				ClearWarnings( const char* reason ) {}

	virtual void			Error( const char* fmt, ... )
	{
		STDIO_PRINT( "ERROR: ", "\n" );
		exit( 0 );
	}
	virtual void			FatalError( const char* fmt, ... )
	{
		STDIO_PRINT( "FATAL ERROR: ", "\n" );
		exit( 0 );
	}

	// Returns key bound to the command
	virtual const char* KeysFromBinding( const char* bind )
	{
		return NULL;
	};

	// Returns the binding bound to the key
	virtual const char* BindingFromKey( const char* key )
	{
		return NULL;
	};

	// Directly sample a button.
	virtual int					ButtonState( int key )
	{
		return 0;
	};

	// Directly sample a keystate.
	virtual int					KeyState( int key )
	{
		return 0;
	};

	// Returns true if a multiplayer game is running.
	// CVars and commands are checked differently in multiplayer mode.
	virtual bool				IsMultiplayer()
	{
		return false;
	};
	virtual bool				IsServer()
	{
		return false;
	};
	virtual bool				IsClient()
	{
		return false;
	};

	// Returns true if the player has ever enabled the console
	virtual bool				GetConsoleUsed()
	{
		return false;
	};

	// Returns the rate (in ms between snaps) that we want to generate snapshots
	virtual int					GetSnapRate()
	{
		return 0;
	};

	virtual void				NetReceiveReliable( int peer, int type, idBitMsg& msg ) { };
	virtual void				NetReceiveSnapshot( class idSnapShot& ss ) { };
	virtual void				NetReceiveUsercmds( int peer, idBitMsg& msg ) { };

	// Processes the given event.
	virtual	bool				ProcessEvent( const sysEvent_t* event )
	{
		return false;
	};

	virtual bool				LoadGame( const char* saveName )
	{
		return false;
	};
	virtual bool				SaveGame( const char* saveName )
	{
		return false;
	};

	virtual idGame* Game()
	{
		return NULL;
	};
	virtual idRenderWorld* RW()
	{
		return NULL;
	};
	virtual idSoundWorld* SW()
	{
		return NULL;
	};
	virtual idSoundWorld* MenuSW()
	{
		return NULL;
	};
	virtual idSession* Session()
	{
		return NULL;
	};
	virtual idCommonDialog& Dialog()
	{
		static idCommonDialog useless;
		return useless;
	};

	virtual void				OnSaveCompleted( idSaveLoadParms& parms ) {}
	virtual void				OnLoadCompleted( idSaveLoadParms& parms ) {}
	virtual void				OnLoadFilesCompleted( idSaveLoadParms& parms ) {}
	virtual void				OnEnumerationCompleted( idSaveLoadParms& parms ) {}
	virtual void				OnDeleteCompleted( idSaveLoadParms& parms ) {}
	virtual void				TriggerScreenWipe( const char* _wipeMaterial, bool hold ) {}

	virtual void				OnStartHosting( idMatchParameters& parms ) {}

	virtual int					GetGameFrame()
	{
		return 0;
	};

	virtual void				LaunchExternalTitle( int titleIndex, int device, const lobbyConnectInfo_t* const connectInfo ) { };

	virtual void				InitializeMPMapsModes() { };
	virtual const idStrList& GetModeList() const
	{
		static idStrList useless;
		return useless;
	};
	virtual const idStrList& GetModeDisplayList() const
	{
		static idStrList useless;
		return useless;
	};
	virtual const idList<mpMap_t>& GetMapList() const
	{
		static idList<mpMap_t> useless;
		return useless;
	};

	virtual void				ResetPlayerInput( int playerIndex ) {}

	virtual bool				JapaneseCensorship() const
	{
		return false;
	};

	virtual void				QueueShowShell() { };		// Will activate the shell on the next frame.
	virtual void				UpdateScreen( bool, bool ) { }
	void						InitTool( const toolFlag_t, const idDict*, idEntity* ) {}

	//virtual currentGame_t		GetCurrentGame() const {
	//	return DOOM_CLASSIC;
	//};
	//virtual void				SwitchToGame(currentGame_t newGame) {}

	void LoadPacifierBinarizeFilename( const char* filename, const char* reason ) {}
	void LoadPacifierBinarizeInfo( const char* info ) {}
	void LoadPacifierBinarizeMiplevel( int level, int maxLevel ) {}
	void LoadPacifierBinarizeProgress( float progress ) {}
	void LoadPacifierBinarizeEnd() { };
	// for images in particular we can measure more accurately this way (to deal with mipmaps)
	void LoadPacifierBinarizeProgressTotal( int total ) {}
	void LoadPacifierBinarizeProgressIncrement( int step ) {}
};

idCommonLocal		commonLocal;
idCommon* common = &commonLocal;

int com_editors = 0;

/*
==============================================================

	main

==============================================================
*/

#if 0

int main( int argc, char** argv )
{
	idLib::common = common;
	idLib::cvarSystem = cvarSystem;
	idLib::fileSystem = fileSystem;
	idLib::sys = sys;

	idLib::Init();
	cmdSystem->Init();
	cvarSystem->Init();
	idCVar::RegisterStaticVars();

	// set cvars before filesystem init to use mod paths
	idCmdArgs args;
	for( int i = 0; i < argc; i++ )
	{
		if( idStr::Icmp( argv[ i ], "+set" ) == 0 )
		{
			if( ( i + 2 ) < argc )
			{
				cvarSystem->SetCVarString( argv[ i + 1 ], argv[ i + 2 ] );
			}

			i += 2;
		}
		else
		{
			args.AppendArg( argv[i] );
		}
	}

	fileSystem->Init();
	declManager->InitTool();

	Dmap_f( args );

	return 0;
}

#else

#include "imtui/imtui.h"
#include "imtui/imtui-impl-ncurses.h"
#include "imtui/imtui-demo.h"

int main()
{
	IMGUI_CHECKVERSION();
	ImGui::CreateContext();

	auto screen = ImTui_ImplNcurses_Init( true );
	ImTui_ImplText_Init();

	bool demo = true;
	int nframes = 0;
	float fval = 1.23f;

	while( true )
	{
		ImTui_ImplNcurses_NewFrame();
		ImTui_ImplText_NewFrame();

		ImGui::NewFrame();

		ImGui::SetNextWindowPos( ImVec2( 4, 27 ), ImGuiCond_Once );
		ImGui::SetNextWindowSize( ImVec2( 50.0, 10.0 ), ImGuiCond_Once );
		ImGui::Begin( "Hello, world!" );
		ImGui::Text( "NFrames = %d", nframes++ );
		ImGui::Text( "Mouse Pos : x = %g, y = %g", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y );
		ImGui::Text( "Time per frame %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate );
		ImGui::Text( "Float:" );
		ImGui::SameLine();
		ImGui::SliderFloat( "##float", &fval, 0.0f, 10.0f );

#ifndef __EMSCRIPTEN__
		ImGui::Text( "%s", "" );
		if( ImGui::Button( "Exit program", { ImGui::GetContentRegionAvail().x, 2 } ) )
		{
			break;
		}
#endif

		ImGui::End();

		ImTui::ShowDemoWindow( &demo );

		ImGui::Render();

		ImTui_ImplText_RenderDrawData( ImGui::GetDrawData(), screen );
		ImTui_ImplNcurses_DrawScreen();
	}

	ImTui_ImplText_Shutdown();
	ImTui_ImplNcurses_Shutdown();

	return 0;
}

#endif