use windows_sys::Win32::UI::WindowsAndMessaging::MB_OK;

use stealth::{
    debug::{check_being_debugged, check_debug_port, check_nt_global_flag},
    hash::fnv1a_ci,
    import::{get_function, get_module},
    string::hs,
};

type LoadLibraryA =
    unsafe extern "system" fn(windows_sys::core::PCSTR) -> windows_sys::Win32::Foundation::HMODULE;
type MessageBoxA =
    unsafe extern "system" fn(
        windows_sys::Win32::Foundation::HWND,
        windows_sys::core::PCSTR,
        windows_sys::core::PCSTR,
        windows_sys::Win32::UI::WindowsAndMessaging::MESSAGEBOX_STYLE,
    )
        -> windows_sys::Win32::UI::WindowsAndMessaging::MESSAGEBOX_RESULT;

fn main() {
    #[cfg(target_os = "windows")]
    unsafe {
        if check_being_debugged() && check_nt_global_flag() && check_debug_port() {
            let load_library_a: LoadLibraryA = std::mem::transmute(
                get_function(
                    get_module(fnv1a_ci(b"kernel32.dll")).unwrap(),
                    fnv1a_ci(b"LoadLibraryA"),
                )
                .unwrap(),
            );
            load_library_a(hs!("user32.dll").as_ptr());

            let message_box_a: MessageBoxA = std::mem::transmute(
                get_function(
                    get_module(fnv1a_ci(b"user32.dll")).unwrap(),
                    fnv1a_ci(b"MessageBoxA"),
                )
                .unwrap(),
            );
            message_box_a(
                0,
                hs!("This is a very secret message").as_ptr(),
                hs!("Secret Title").as_ptr(),
                MB_OK,
            );
        }
    }
}