import json, sys
from pathlib import Path
from unittest import mock
import cv2, numpy as np
from wechat_bot import WeChatBot
sys.stdout.reconfigure(encoding="utf-8")
image_path=Path(sys.argv[1])
image=cv2.imdecode(np.frombuffer(image_path.read_bytes(), dtype=np.uint8), cv2.IMREAD_COLOR)
bot=WeChatBot.__new__(WeChatBot)
bot.scale=2.0
width=bot._nav_column_width_px(image,bot.scale)
band=bot._message_nav_band(image)
selected=bot._message_nav_selected(image)
print("Screenshot navigation:", width, "message band:", band, "selected:", selected, flush=True)
assert width==116 and band[2] and 240 <= (band[0]+band[1])//2 <= 336 and selected
bot.hwnd=100
bot.wait_for_mouse_idle=mock.Mock(return_value=True)
bot._security_gate_visible=mock.Mock(return_value=False)
bot._begin_bot_mouse=mock.Mock(); bot._end_bot_mouse=mock.Mock()
bot._capture_full_window=mock.Mock(return_value=image)
bot._refresh_message_geometry=mock.Mock()
with mock.patch("wechat_bot.safe_set_foreground",return_value=True), mock.patch("wechat_bot.win32gui.GetForegroundWindow",return_value=100), mock.patch("wechat_bot.win32gui.GetWindowRect",return_value=(0,0,614,1476)), mock.patch("wechat_bot.pyautogui.click") as click, mock.patch("wechat_bot.time.sleep"):
    assert bot._open_messages_page("截图回归：")
    click.assert_called_once()
    x,y=click.call_args.args
    assert 0<x<116 and 240<y<336
    print("Verified simulated click:",(x,y),"No real mouse action performed.",flush=True)
result={"image_size":[614,1476],"navigation_width":width,"message_band":band,"selected":selected,"simulated_click":[x,y],"real_clicks":0,"real_messages_sent":0}
Path("tmp/message-nav-screenshot-verification.json").write_text(json.dumps(result,indent=2),encoding="utf-8")