import time
import ctypes
from ctypes import wintypes
import os
import sys

log_fp = open(r"c:\Projects\AutoPOE2\scratch\sendinput_correct.log", "w", encoding="utf-8")
old_print = print
def print(*args, **kwargs):
    old_print(*args, **kwargs)
    old_print(*args, **kwargs, file=log_fp)
    log_fp.flush()

user32 = ctypes.windll.user32
kernel32 = ctypes.windll.kernel32

ULONG_PTR = ctypes.c_uint64

class MOUSEINPUT(ctypes.Structure):
    _fields_ = [
        ('dx', wintypes.LONG),
        ('dy', wintypes.LONG),
        ('mouseData', wintypes.DWORD),
        ('dwFlags', wintypes.DWORD),
        ('time', wintypes.DWORD),
        ('dwExtraInfo', ULONG_PTR),
    ]

class KEYBDINPUT(ctypes.Structure):
    _fields_ = [
        ('wVk', wintypes.WORD),
        ('wScan', wintypes.WORD),
        ('dwFlags', wintypes.DWORD),
        ('time', wintypes.DWORD),
        ('dwExtraInfo', ULONG_PTR),
    ]

class HARDWAREINPUT(ctypes.Structure):
    _fields_ = [
        ('uMsg', wintypes.DWORD),
        ('wParamL', wintypes.WORD),
        ('wParamH', wintypes.WORD),
    ]

class INPUT_UNION(ctypes.Union):
    _fields_ = [
        ('mi', MOUSEINPUT),
        ('ki', KEYBDINPUT),
        ('hi', HARDWAREINPUT),
    ]

class INPUT(ctypes.Structure):
    _anonymous_ = ('u',)
    _fields_ = [
        ('type', wintypes.DWORD),
        ('u', INPUT_UNION),
    ]

KEYEVENTF_SCANCODE = 0x0008
KEYEVENTF_KEYUP = 0x0002
INPUT_KEYBOARD = 1

def send_scancode_down(scan):
    inp = INPUT(type=INPUT_KEYBOARD)
    inp.ki.wVk = 0
    inp.ki.wScan = scan
    inp.ki.dwFlags = KEYEVENTF_SCANCODE
    res = user32.SendInput(1, ctypes.byref(inp), ctypes.sizeof(INPUT))
    return res

def send_scancode_up(scan):
    inp = INPUT(type=INPUT_KEYBOARD)
    inp.ki.wVk = 0
    inp.ki.wScan = scan
    inp.ki.dwFlags = KEYEVENTF_SCANCODE | KEYEVENTF_KEYUP
    res = user32.SendInput(1, ctypes.byref(inp), ctypes.sizeof(INPUT))
    return res

def main():
    try:
        hwinsta = user32.OpenWindowStationW("WinSta0", False, 0x10000000)
        if hwinsta: user32.SetProcessWindowStation(hwinsta)
        hdesk = user32.OpenDesktopW("Default", 0, False, 0x10000000)
        if hdesk: user32.SetThreadDesktop(hdesk)
    except Exception as e:
        print(f"Desktop error: {e}")

    hwnd = user32.FindWindowW("POEWindowClass", None)
    if not hwnd:
        hwnd = user32.FindWindowW(None, "Path of Exile 2")
    print(f"HWND: {hwnd}")
    if not hwnd:
        return

    # Focus
    user32.ShowWindow(hwnd, 9)
    user32.SetForegroundWindow(hwnd)
    user32.BringWindowToTop(hwnd)
    time.sleep(0.3)

    # Click safe screen center to guarantee input focus
    user32.SetCursorPos(1280, 500)
    time.sleep(0.05)
    user32.mouse_event(0x0002, 0, 0, 0, 0) # LEFTDOWN
    time.sleep(0.03)
    user32.mouse_event(0x0004, 0, 0, 0, 0) # LEFTUP
    time.sleep(0.2)

    # Read XYZ
    pid = 43084
    h_proc = kernel32.OpenProcess(0x0010, False, pid)
    xyz_addr = 0x2AF791A0550

    def read_xyz():
        if not h_proc: return (0.0, 0.0, 0.0)
        buf = ctypes.create_string_buffer(12)
        bytes_read = ctypes.c_size_t(0)
        kernel32.ReadProcessMemory(h_proc, ctypes.c_void_p(xyz_addr), buf, 12, ctypes.byref(bytes_read))
        if bytes_read.value == 12:
            import struct
            return struct.unpack('3f', buf.raw)
        return (0.0, 0.0, 0.0)

    print(f"Initial XYZ: {read_xyz()}")

    # Test 'W' (0x11)
    xyz_before = read_xyz()
    print("Sending 'W' (Scan 0x11) via SendInput...")
    r1 = send_scancode_down(0x11)
    time.sleep(1.0)
    r2 = send_scancode_up(0x11)
    time.sleep(0.4)
    xyz_after = read_xyz()
    dx = xyz_after[0] - xyz_before[0]
    dy = xyz_after[1] - xyz_before[1]
    dist = (dx*dx + dy*dy)**0.5
    print(f"W (Down res={r1}, Up res={r2}): Before {xyz_before} -> After {xyz_after} | Delta=({dx:.2f}, {dy:.2f}) Dist={dist:.2f}")

    # Test 'S' (0x1F)
    xyz_before = read_xyz()
    print("Sending 'S' (Scan 0x1F) via SendInput...")
    r1 = send_scancode_down(0x1F)
    time.sleep(1.0)
    r2 = send_scancode_up(0x1F)
    time.sleep(0.4)
    xyz_after = read_xyz()
    dx = xyz_after[0] - xyz_before[0]
    dy = xyz_after[1] - xyz_before[1]
    dist = (dx*dx + dy*dy)**0.5
    print(f"S (Down res={r1}, Up res={r2}): Before {xyz_before} -> After {xyz_after} | Delta=({dx:.2f}, {dy:.2f}) Dist={dist:.2f}")

    # Capture result
    sys.path.insert(0, r"C:\Projects\AutoPOE2")
    from tools.autonomous_map_runner import ScreenCapturerGDI
    c = ScreenCapturerGDI()
    c.capture(r"C:\Projects\AutoPOE2\captures\test_sendinput_correct_after.png")

    if h_proc: kernel32.CloseHandle(h_proc)
    print("Done.")

if __name__ == "__main__":
    main()