import numpy as np
import cv2
from datetime import datetime

def extract_candle_data(image):
    # Basic HSV-based detection placeholder
    # You should replace with your detailed TRANSFINITY detection logic
    return {
        "candles": [],  # Populate with parsed candle info
        "current_time": datetime.utcnow() + timedelta(hours=6),  # UTC+6
        "asset": "UNKNOWN_OTC"
    }

def detect_valid_signal(data):
    # Placeholder signal logic (replace with scoring engine)
    current_time = data["current_time"]
    time_str = current_time.strftime("%H:%M")
    asset = data["asset"]

    # Insert your advanced scoring + filter logic here
    # For now, simulate a PUT signal
    signal_ok = True  # Replace with your conditions

    if signal_ok:
        return f"{time_str} • {asset} • PUT"
    return None