#include <assert.h>
#include <glad.h>
#include <Noesis_pch.h>

#include "local_xml_provider.h"
#include "Render/OpenGL/render_device_openGL.h"

using namespace Noesis;

Ptr<IView> view;

void Noesis_Update(double time)
{
	//return;

	view->Update(time);
	view->GetRenderer()->UpdateRenderTree();
	view->GetRenderer()->RenderOffscreen();

	glBindFramebuffer(GL_FRAMEBUFFER, 0);
	glViewport(0, 0, 1440, 900);

	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
	glClearStencil(0);
	glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

	view->GetRenderer()->Render();
}

void Noesis_SetViewSize(int width, int height)
{
	//return;

	view->SetSize(width, height);
}

void NoesisLogHandler(const char* filename, uint32_t line, uint32_t level, const char* channel,
	const char* message)
{
	if (strcmp(channel, "") == 0)
	{
		// [TRACE] [DEBUG] [INFO] [WARNING] [ERROR]
		const char* prefixes[] = { "T", "D", "I", "W", "E" };
		const char* prefix = level < NS_COUNTOF(prefixes) ? prefixes[level] : " ";
		fprintf(stderr, "[NOESIS/%s] %s\n", prefix, message);
	}
}

void Noesis_Init()
{
	//return;
	if (!gladLoadGL()) {
		assert(false);
	}

	GUI::Init(nullptr, NoesisLogHandler, nullptr);

	GUI::SetXamlProvider(MakePtr<LocalXamlProvider>("czerox/resource/xmls"));
	//Noesis::GUI::SetFontProvider(MakePtr<LocalFontProvider>("czerox/resource/fonts"));
	//GUI::SetTextureProvider(MakePtr<LocalTextureProvider>("czerox/resource/textures"));

	Ptr<FrameworkElement> xaml = GUI::LoadXaml<FrameworkElement>("test.xaml");
	view = GUI::CreateView(xaml);
	view->SetSize(0, 0);

	Ptr<RenderDevice> device = *new GLRenderDevice();
	view->GetRenderer()->Init(device);
}

void Noesis_Shutdown()
{
	view->GetRenderer()->Shutdown();
	view.Reset();
	GUI::Shutdown();
}

// Called when client.dll was loaded
int CL_DLLEXPORT Initialize(cl_enginefunc_t *pEnginefuncs, int iVersion)
{
	gEngfuncs = *pEnginefuncs;

	if (iVersion != CLDLL_INTERFACE_VERSION)
		return 0;

	memcpy(&gEngfuncs, pEnginefuncs, sizeof(cl_enginefunc_t));

	EV_HookEvents();
	CL_LoadParticleMan();
	Noesis_Init();
	// TODO: Get these values from Lua config file
	Noesis_SetViewSize(1440, 900);

	// get tracker interface, if any
	return 1;
}

/*
Called when the game initializes
and whenever the vid_mode is changed
so the HUD can reinitialize itself.
*/
int CL_DLLEXPORT HUD_VidInit()
{
	gHUD.VidInit();
	Noesis_SetViewSize(ScreenWidth, ScreenHeight);

	VGui_Startup();

	return 1;
}

// Called by engine every frame that client .dll is loaded
void CL_DLLEXPORT HUD_Frame(double time)
{
	Noesis_Update(time);

	ServersThink(time);
	GetClientVoiceMgr()->Frame(time);
}