// Copyright (C) 2014-2015 ChaosForge Ltd
// http://chaosforge.org/
//
// This file is part of Nova libraries. 
// For conditions of distribution and use, see copying.txt file in root folder.

#include "nv/sdl/sdl_window_manager.hh"

#include "nv/sdl/sdl_window.hh"
#include "nv/core/logging.hh"
#include "nv/lib/sdl.hh"
#include "nv/lib/sdl_image.hh"
#include "nv/interface/image_data.hh"

using namespace nv;

sdl::window_manager::window_manager()
{
	primal_window = nullptr;
	nv::load_sdl_library();

	if ( SDL_Init(0) < 0 )
	{
		NV_LOG_CRITICAL( "SDL initialization failed: ", SDL_GetError( ) );
		return; // TODO: Error report
	}
}

window* sdl::window_manager::create_window( device* dev, uint16 width, uint16 height, bool fullscreen, bool msaa )
{
	if ( ! SDL_WasInit( SDL_INIT_VIDEO ) ) SDL_InitSubSystem( SDL_INIT_VIDEO );
	sdl::window* result = new sdl::window( dev, width, height, fullscreen, msaa );
	primal_window = result->get_handle();
	return result;
}

void* sdl::window_manager::adopt_window( void* sys_w_handle )
{
	if ( ! SDL_WasInit( SDL_INIT_VIDEO ) ) SDL_InitSubSystem( SDL_INIT_VIDEO );
	if ( primal_window )
	{
		char buffer[128];
		sprintf( buffer, "%p", primal_window );
		SDL_bool result = SDL_SetHint( "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT", buffer );
		NV_UNUSED( result );
		NV_ASSERT( result == SDL_TRUE, "SetHint failed!" );
	}
	primal_window = SDL_CreateWindowFrom( sys_w_handle );
	return primal_window;
}

void nv::sdl::window_manager::sleep( uint32 ms )
{
	SDL_Delay( ms );
}

nv::uint32 nv::sdl::window_manager::get_ticks()
{
	return SDL_GetTicks();
}

nv::sdl::window_manager::~window_manager()
{
	SDL_Quit();
}