// Win32 user32 compatibility stubs. This file provides windowing and message APIs that applications may probe.

#include <stdint.h>
#include <stddef.h>
#include <ntlite/syscall.h>

typedef void* HWND;
typedef void* HDC;
typedef long  LONG;
typedef int   BOOL;

typedef struct _RECT { LONG left, top, right, bottom; } RECT;
typedef struct tagPAINTSTRUCT {
    HDC hdc; BOOL fErase; RECT rcPaint; BOOL fRestore; BOOL fIncUpdate; char res[32];
} PAINTSTRUCT;


// Implements the user32 Debug Print A operation.
static void User32DebugPrintA(const char* s) {
    if (!s) return;
    SYS_PRINT_DEBUG_REQUEST req = { SysSvFromCstr(s) };
    SysPrintDebug(&req);
}

// --- Painting Functions ---.
__declspec(dllexport) HDC BeginPaint(HWND hwnd, PAINTSTRUCT* lpPaint) {
    (void)hwnd;
    if (lpPaint) {
        lpPaint->hdc = (HDC)1;
        lpPaint->rcPaint.right = 1920; lpPaint->rcPaint.bottom = 1080;
    }
    return (HDC)1;
}

// Implements the end Paint operation.
__declspec(dllexport) BOOL EndPaint(HWND hwnd, const PAINTSTRUCT* lp) { (void)hwnd; (void)lp; return 1; }

// --- Message Loop Stubs ---.
__declspec(dllexport) int GetMessage(void* m, HWND h, uint32_t f, uint32_t l) {
    (void)m; (void)h; (void)f; (void)l; SysYield(); return 0;
}
// Returns message.
__declspec(dllexport) int PeekMessage(void* m, HWND h, uint32_t f, uint32_t l, uint32_t r) {
    (void)m; (void)h; (void)f; (void)l; (void)r;
    return 0;
}
// Dispatches message.
__declspec(dllexport) int DispatchMessage(const void* m) { (void)m; return 0; }
// Translates message.
__declspec(dllexport) int TranslateMessage(const void* m) { (void)m; return 0; }

// --- Dialogs & UI ---.
__declspec(dllexport) int MessageBoxA(HWND h, const char* txt, const char* cap, uint32_t type) {
    (void)h; (void)cap; (void)type;
    User32DebugPrintA("USER32: MessageBoxA: ");
    User32DebugPrintA(txt);
    User32DebugPrintA("\n");
    return 1; // IDOK
}

// --- Window Queries ---.
__declspec(dllexport) HWND GetDesktopWindow(void) { return (HWND)0; }
// Returns active Window.
__declspec(dllexport) HWND GetActiveWindow(void)  { return (HWND)0; }
// Returns top Window.
__declspec(dllexport) HWND GetTopWindow(HWND hwnd){ (void)hwnd; return (HWND)0; }

// Returns window.
__declspec(dllexport) HWND GetWindow(HWND hwnd, unsigned int cmd) {
    (void)hwnd; (void)cmd; return (HWND)0;
}

// Returns window Long A.
__declspec(dllexport) long GetWindowLongA(HWND hwnd, int index) {
    (void)hwnd; (void)index; return 0;
}

// Returns window Long Ptr A.
__declspec(dllexport) intptr_t GetWindowLongPtrA(HWND hwnd, int index) {
    (void)hwnd; (void)index; return 0;
}

// Returns window Thread Process Id.
__declspec(dllexport) unsigned long GetWindowThreadProcessId(HWND hwnd, unsigned long* pid) {
    (void)hwnd;
    if (pid) *pid = 1;
    return 1; // Thread ID
}