import ctypes, time
from PIL import ImageGrab
import win32gui

user32 = ctypes.windll.user32
hdesk = user32.OpenInputDesktop(0, False, 0x01FF)
if hdesk: user32.SetThreadDesktop(hdesk)

hwnd = 0x2f0bf4 # PID 32572 (BoCuaCacCon / nguvansi)

def make_lparam(x, y):
    return ((y & 0xFFFF) << 16) | (x & 0xFFFF)

def click(x, y):
    lp = make_lparam(x, y)
    user32.PostMessageW(hwnd, 0x0200, 0, lp)
    time.sleep(0.03)
    user32.PostMessageW(hwnd, 0x0201, 1, lp)
    time.sleep(0.08)
    user32.PostMessageW(hwnd, 0x0202, 0, lp)
    time.sleep(0.05)

def send_key(vk):
    lp = (0x1C << 16) | 1
    user32.PostMessageW(hwnd, 0x0100, vk, lp)
    time.sleep(0.04)
    user32.PostMessageW(hwnd, 0x0101, vk, lp | (3 << 30))
    time.sleep(0.04)

def send_char(c):
    lp = (ord(c) << 16) | 1
    user32.PostMessageW(hwnd, 0x0102, ord(c), lp)
    time.sleep(0.04)

user32.SetForegroundWindow(hwnd)
time.sleep(0.2)

# Click on Password field: Client (464, 342)
print("Focusing password field at (464, 342)...")
click(464, 342)
time.sleep(0.1)

for _ in range(30):
    send_key(0x08) # Backspace
time.sleep(0.1)

print("Typing password 'Ngu123@@'...")
for c in "Ngu123@@":
    send_char(c)
time.sleep(0.2)

# Submit login
print("Submitting login for nguvansi...")
send_key(0x0D) # VK_RETURN
time.sleep(4.0)

if win32gui.IsWindow(hwnd):
    rect = win32gui.GetWindowRect(hwnd)
    if rect[2] > rect[0] and rect[3] > rect[1]:
        img = ImageGrab.grab(bbox=rect, all_screens=True)
        img.save(r"c:\Projects\JX\logs\p32572_after_login.png")
        print("Saved p32572_after_login.png")
else:
    print("HWND no longer valid!")

with open(r"c:\Projects\JX\logs\p32572_status.txt", "w") as f:
    f.write("DONE\n")