#include "render/render.h"
#include "render/renderdevice.h"
#include "render/gl_shared.h"
#include "input/inputsystem.h"
#include "utils/logger.h"

#define RENDER_CLASS_NAME "RenderClassName"
#define RENDER_WINDOW_NAME "UNEASE Alpha"

HWND hWnd = NULL;

LRESULT CALLBACK WndProc (HWND hWnd, UINT message,
                          WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_CREATE:
        return 0;
    case WM_DESTROY:
        PostQuitMessage (0);
        return 0;


    case WM_KEYDOWN:
        switch (wParam)
        {
        case VK_ESCAPE:
            PostQuitMessage(0);
            return 0;
		}
		
		//input->OnKeyAction((int)wParam, true);
		
        return 0;

	case WM_KEYUP:
		//input->OnKeyAction((int)wParam, false);
		
		return 0;

    default:
        return DefWindowProc (hWnd, message, wParam, lParam);
    }
}

void R_CreateWindow(int width, int height)
{
	static bool wndclassRegistered = false;
	if (wndclassRegistered == false)
	{
		WNDCLASS wc;
		/* register window class */
		wc.style = CS_OWNDC;
		wc.lpfnWndProc = WndProc;
		wc.cbClsExtra = 0;
		wc.cbWndExtra = 0;
		wc.hInstance = GetModuleHandle(0);
		wc.hIcon = LoadIcon (NULL, IDI_APPLICATION);
		wc.hCursor = LoadCursor (NULL, IDC_ARROW);
		wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
		wc.lpszMenuName = NULL;
		wc.lpszClassName = RENDER_CLASS_NAME;
		RegisterClass (&wc);

		wndclassRegistered=true;
	}

	/* create main window */
    hWnd = CreateWindow (
      RENDER_CLASS_NAME, RENDER_WINDOW_NAME, 
      WS_CAPTION | WS_POPUPWINDOW | WS_VISIBLE,
      0, 0, width, height,
      NULL, NULL, GetModuleHandle(0), NULL);

	
	LogMsg("Created window %ix%i", width, height);
}

void R_Init()
{
	LogMsg("--- R_Init ---");

	// Create window
	R_CreateWindow(1024, 768);

	// Load OpenGL
	GL_Load();

	// Create render device
	g_renderDevice = new RenderDevice();
}

void R_Shutdown()
{
	if (g_renderDevice != NULL)
	{
		delete g_renderDevice;
		g_renderDevice = NULL;
	}
}

void R_Present()
{
	GL_SwapBuffers(0);
}

void* R_GetWindow()
{
	return hWnd;
}