import win32gui
import ctypes
from ctypes import wintypes
import sys

sys.stdout.reconfigure(encoding='utf-8')
user32 = ctypes.windll.user32
hdesk = user32.OpenInputDesktop(0, False, 0x01FF)
if hdesk: user32.SetThreadDesktop(hdesk)

# TCVN3 Decoder
TCVN3_MAP = {
    0xb8: 'á', 0xb5: 'à', 0xb7: 'ả', 0xb6: 'ã', 0xb9: 'ạ',
    0xca: 'ă', 0xbe: 'ắ', 0xbb: 'ằ', 0xbd: 'ẳ', 0xbc: 'ẵ', 0xc6: 'ặ',
    0xcb: 'â', 0xc1: 'ấ', 0xbf: 'ầ', 0xc0: 'ẩ', 0xc2: 'ẫ', 0xc5: 'ậ',
    0xd0: 'é', 0xcd: 'è', 0xcf: 'ẻ', 0xce: 'ẽ', 0xd1: 'ẹ',
    0xd2: 'ê', 0xd5: 'ế', 0xd3: 'ề', 0xd4: 'ể', 0xd6: 'ễ', 0xd8: 'ệ',
    0xdc: 'í', 0xd9: 'ì', 0xdb: 'ỉ', 0xda: 'ĩ', 0xdd: 'ị',
    0xf3: 'ó', 0xdf: 'ò', 0xee: 'ỏ', 0xde: 'õ', 0xf4: 'ọ',
    0xf5: 'ô', 0xf8: 'ố', 0xf6: 'ồ', 0xf7: 'ổ', 0xf9: 'ỗ', 0xfa: 'ộ',
    0xfb: 'ơ', 0xfe: 'ớ', 0xfc: 'ờ', 0xfd: 'ở', 0xff: 'ỡ', 0x82: 'ợ',
    0x87: 'ú', 0x83: 'ù', 0x85: 'ủ', 0x84: 'ũ', 0x88: 'ụ',
    0x89: 'ư', 0x8c: 'ứ', 0x8a: 'ừ', 0x8b: 'ử', 0x8d: 'ữ', 0x8e: 'ự',
    0x95: 'ý', 0x90: 'ỳ', 0x93: 'ỷ', 0x92: 'ỹ', 0x96: 'ỵ',
    0xa7: 'đ', 0xa1: 'Đ'
}

def decode_tcvn3(s_bytes):
    chars = []
    for b in s_bytes:
        if b in TCVN3_MAP:
            chars.append(TCVN3_MAP[b])
        elif 32 <= b <= 126:
            chars.append(chr(b))
        elif b == 0:
            break
        else:
            chars.append(f"\\x{b:02x}")
    return "".join(chars)

def decode_str(s):
    b = s.encode('latin1', errors='replace')
    return decode_tcvn3(b)

h_buff = None
def win_cb(h, _):
    global h_buff
    txt = win32gui.GetWindowText(h)
    if "Chieu thuc ho tro" in txt:
        h_buff = h
    return True

win32gui.EnumWindows(win_cb, 0)
print("Found Chieu thuc ho tro HWND:", hex(h_buff) if h_buff else "None")

if not h_buff:
    sys.exit(0)

children = []
def cb(h, _):
    cls = win32gui.GetClassName(h)
    children.append((h, cls))
    return True
user32.EnumChildWindows(h_buff, ctypes.WINFUNCTYPE(wintypes.BOOL, wintypes.HWND, wintypes.LPARAM)(cb), 0)

CB_GETCOUNT = 0x0146
CB_GETLBTEXT = 0x0148
CB_GETLBTEXTLEN = 0x0149
CB_GETCURSEL = 0x0147

for h, cls in children:
    if "ComboBox" in cls:
        cnt = user32.SendMessageW(h, CB_GETCOUNT, 0, 0)
        cur = user32.SendMessageW(h, CB_GETCURSEL, 0, 0)
        r = win32gui.GetWindowRect(h)
        print(f"\nComboBox {hex(h)} at {r}: count={cnt}, cur={cur}")
        for i in range(cnt):
            tlen = user32.SendMessageW(h, CB_GETLBTEXTLEN, i, 0)
            tbuf = ctypes.create_unicode_buffer(tlen + 1)
            user32.SendMessageW(h, CB_GETLBTEXT, i, ctypes.byref(tbuf))
            decoded = decode_str(tbuf.value)
            sel = " [SELECTED]" if i == cur else ""
            print(f"  [{i}]: raw='{tbuf.value}' -> '{decoded}'{sel}")