import numpy as np
from PIL import Image
from io import BytesIO
import re
import logging
import easyocr

ocr_reader = easyocr.Reader(['en'], gpu=False)

def extract_text_from_image(image_file):
    try:
        image = Image.open(BytesIO(image_file.read())).convert("RGB")
        image_np = np.array(image)
        results = ocr_reader.readtext(image_np)
        text = " ".join([res[1] for res in results])
        text = re.sub(r'\b(Ingredients|Komposisi|Composition|Bahan|Daftar Bahan)\b', '', text, flags=re.IGNORECASE)
        return re.sub(r'[^A-Za-z,.\s-]', '', text).strip()
    except Exception as e:
        logging.error(f"OCR error: {e}")
        return ""