#define _CRT_SECURE_NO_WARNINGS

#ifdef _MSC_VER
#pragma comment(lib, "opengl32.lib")
#pragma comment(lib, "glu32.lib")
#endif

#include "Global.h"
#include "Utils.h"
#include "Render.h"
#include "Physics.h"
#include "RESOURCE.H"
#include "Logger.hpp"
#include "fabula.hpp"

// Deklaracje funkcji lokalnych w Main
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
BOOL APIENTRY AboutDlgProc(HWND hDlg, UINT message, UINT wParam, LONG lParam);

// Zmienne globalne tylko dla okna
static LPCTSTR lpszAppName = "grafikaKBT";
static HINSTANCE hInstance;
static const int targetFPS = 144;

int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    CreateConsole();
    DisableQuickEdit();
    AsyncLogger::getInstance().start();

    MSG msg;
    WNDCLASS wc{};
    HWND hWnd;
    hInstance = hInst;

    wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
    wc.lpfnWndProc = (WNDPROC)WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInstance;
    wc.hIcon = NULL;
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = NULL;
    wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU);
    wc.lpszClassName = lpszAppName;

    if (RegisterClass(&wc) == 0) return FALSE;

    int screenWidth = GetSystemMetrics(SM_CXSCREEN);
    int screenHeight = GetSystemMetrics(SM_CYSCREEN);

    // 2. Utwórz okno z pełnym zestawem przycisków (WS_OVERLAPPEDWINDOW)
    hWnd = CreateWindow(
        lpszAppName, lpszAppName,
        WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
        0, 0,                       // Pozycja startowa (lewy górny róg)
        screenWidth, screenHeight,  // Rozmiar (wstępnie cały ekran)
        NULL, NULL, hInstance, NULL);

    if (hWnd == NULL) return FALSE;

    HDC hDC = GetDC(hWnd);
    const WORD ID_TIMER = 1;
    SetTimer(hWnd, ID_TIMER, 100, NULL);

    ShowWindow(hWnd, SW_SHOWMAXIMIZED);
    UpdateWindow(hWnd);

    ZeroMemory(&msg, sizeof(msg));
    auto lastFrameTime = std::chrono::high_resolution_clock::now();

    while (msg.message != WM_QUIT) {
        if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        else {
            auto currentFrameTime = std::chrono::high_resolution_clock::now();
            std::chrono::duration<float> timeSpan = currentFrameTime - lastFrameTime;
            deltaTime = timeSpan.count();
            lastFrameTime = currentFrameTime;

            RenderScene();
            SwapBuffers(hDC);
            GAME_LOG("Klatka wyrenderowana. FPS: " << fpsCounter.getFPS());
            LimitFPS(targetFPS);
        }
    }

    ReleaseDC(hWnd, hDC);
    return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
    static HGLRC hRC;
    static HDC hDC;

    switch (message) {
    case WM_CREATE:
        hDC = GetDC(hWnd);
        SetDCPixelFormat(hDC);
        GetOpenGLPalette(hDC);
        hRC = wglCreateContext(hDC);
        wglMakeCurrent(hDC, hRC);
        SetupRC();

        // Ładowanie tekstur (uproszczone dla czytelności, można wydzielić funkcję LoadTextures)
        {
            GLfloat fLargest;
            glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest);
            glGenTextures(4, &texture[0]);

            // Tutaj możesz przenieść logikę ładowania tekstur do np. Utils.cpp -> LoadAllTextures()
            // Aby nie zaśmiecać WndProc.
            const char* texFiles[] = {
                "res/img/woodenTextureHighExposure.bmp",
                "res/img/grass02.bmp",
                "res/img/barnroof.bmp",
                "res/img/brickwall.bmp"
            };

            for (int i = 0; i < 4; i++) {
                bitmapData = LoadBitmapFile((char*)texFiles[i], &bitmapInfoHeader);
                if (bitmapData) {
                    glBindTexture(GL_TEXTURE_2D, texture[i]);
                    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, fLargest);
                    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
                    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
                    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT); // lub GL_CLAMP zależnie od idx
                    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
                    gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGB, bitmapInfoHeader.biWidth, bitmapInfoHeader.biHeight, GL_RGB, GL_UNSIGNED_BYTE, bitmapData);
                    free(bitmapData);
                }
            }
            glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
        }
        break;

    case WM_DESTROY:
        user.unload();
        wglMakeCurrent(hDC, NULL);
        wglDeleteContext(hRC);
        PostQuitMessage(0);
        AsyncLogger::getInstance().stop();
        break;

    case WM_SIZE:
        ChangeSize(LOWORD(lParam), HIWORD(lParam));
        break;

    case WM_MOUSEWHEEL:
    {
        int zDelta = GET_WHEEL_DELTA_WPARAM(wParam);
        CameraHeight -= (float)zDelta * 0.1f;
        if (CameraHeight < 20.0f) CameraHeight = 20.0f; // Stała MinDistance
        if (CameraHeight > 1000.0f) CameraHeight = 1000.0f; // Stała MaxDistance
    }
    break;

    case WM_KEYUP:
        switch (wParam) {
        case 'W': keyWPressed = false; break;
        case 'S': keySPressed = false; break;
        case 'A': keyAPressed = false; break;
        case 'D': keyDPressed = false; break;
        case 112: // F1
            fpv_view = !fpv_view;
            if (fpv_view) panoramic_view = false;
            break;
        case 'N': dayNight.toggle(); break;
        }
        break;

    case WM_KEYDOWN:
        switch (wParam) {
        case VK_UP: xRot -= 5.0f; break;
        case VK_DOWN: xRot += 5.0f; break;
        case VK_LEFT: yRot -= 5.0f; break;
        case VK_RIGHT: yRot += 5.0f; break;
        case 'Q': zRot += 5.0f; break;
        case 'E': zRot -= 5.0f; break;
        case 'R': xRot = yRot = zRot = 0; break;
        case ' ': polygonmode = !polygonmode; break;
        case 'K': Kolizja = !Kolizja; break;
        case 'W': keyWPressed = true; break;
        case 'S': keySPressed = true; break;
        case 'A': keyAPressed = true; break;
        case 'D': keyDPressed = true; break;
        case 116: // F5
        case 16:  // Shift
            panoramic_view = !panoramic_view; break;
        case 8: // Backspace
            nadpiszNowaSiatke(biezacy_wzor); // Zakładam, że ta zmienna jest w fabula.hpp
            break;
        }
        break;

    case WM_COMMAND:
        switch (LOWORD(wParam)) {
        case ID_FILE_EXIT: DestroyWindow(hWnd); break;
        case ID_HELP_ABOUT: DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG_ABOUT), hWnd, (DLGPROC)AboutDlgProc); break;
        }
        break;

    default:
        return (DefWindowProc(hWnd, message, wParam, lParam));
    }
    return (0L);
}

BOOL APIENTRY AboutDlgProc(HWND hDlg, UINT message, UINT wParam, LONG lParam) {
    if (message == WM_INITDIALOG) {
        // ... (Kod dialogu bez zmian, ewentualnie dodaj include gluGetString)
        return TRUE;
    }
    if (message == WM_COMMAND && LOWORD(wParam) == IDOK) EndDialog(hDlg, TRUE);
    if (message == WM_CLOSE) EndDialog(hDlg, TRUE);
    return FALSE;
}