#include "common.h"
#include "user32.h"

typedef int (WINAPI *MessageBoxAPtr)(HWND hwnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType);
typedef int (WINAPI *MessageBoxWPtr)(HWND hwnd, LPCWSTR lpText, LPCWSTR lpCaption, UINT uType);

DLL_EXPORT WINAPI int MessageBoxA(HWND hwnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType) {
    MessageBoxAPtr proc = (MessageBoxAPtr) getFunction("_user32.dll", "MessageBoxA");
    LPSTR buffer = malloc(strlen(lpText) + 1 + 26);
    strcpy(buffer, "MessageBoxA gruesst Sie!\n"),
    strcat(buffer, lpText);
    int result = proc(hwnd, buffer, lpCaption, uType);
    free(buffer);
    return result;
}

DLL_EXPORT WINAPI int MessageBoxW(HWND hwnd, LPCWSTR lpText, LPCWSTR lpCaption, UINT uType) {
    MessageBoxWPtr proc = (MessageBoxWPtr) getFunction("_user32.dll", "MessageBoxW");
    LPWSTR buffer = malloc(wcslen(lpText) + 1 + 26);
    wcscpy(buffer, L"MessageBoxW gruesst Sie!\n");
    wcscat(buffer, lpText);
    int result = proc(hwnd, buffer, lpCaption, uType);
    free(buffer);
    return result;
}

DLL_EXPORT WINAPI HMONITOR MonitorFromWindow(HWND hwnd, DWORD dwFlags) {
    logDebug("MonitorFromWindow: Called");
    return (HMONITOR) 1;
}

DLL_EXPORT WINAPI BOOL GetMonitorInfoA(HMONITOR hMonitor, LPMONITORINFO lpmi) {
    logDebug("GetMonitorInfo: Called");
    if (hMonitor != (HMONITOR) 1) {
        logWarn("GetMonitorInfoA: Called with invalid hMonitor");
        return FALSE;
    }
    if (lpmi->cbSize != sizeof(MONITORINFO)) {
        logWarn("GetMonitorInfoA: Called with invalid lpmi->cbSize");
        return FALSE;
    }
    lpmi->rcMonitor.left = 0;
    lpmi->rcMonitor.top = 0;
    lpmi->rcMonitor.right = GetSystemMetrics(SM_CXSCREEN);
    lpmi->rcMonitor.bottom = GetSystemMetrics(SM_CYSCREEN);
    RECT workArea = { 0 };
    if (!SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0)) {
        logError("GetMonitorInfoA: GetSystemParametersInfo failed");
    }
    lpmi->rcWork = workArea;
    lpmi->dwFlags = MONITORINFOF_PRIMARY;
    return TRUE;
}

DLL_EXPORT WINAPI BOOL GetMonitorInfoW(HMONITOR hMonitor, LPMONITORINFO lpmi) {
    return GetMonitorInfoA(hMonitor, lpmi);
}