import torch
from PIL import Image
from transformers import AutoImageProcessor, AutoModelForImageClassification

MODEL_ID = "prithivMLmods/Deepfake-Detection-Exp-02-21"

processor = AutoImageProcessor.from_pretrained(MODEL_ID)
model = AutoModelForImageClassification.from_pretrained(MODEL_ID)
model.eval()

def predict(image: Image.Image):
    inputs = processor(images=image, return_tensors="pt")
    with torch.no_grad():
        outputs = model(**inputs)
        probs = torch.softmax(outputs.logits, dim=1)

    conf, pred = torch.max(probs, dim=1)
    pred = pred.item()
    conf = conf.item()

    label = "Fake" if pred == 0 else "Real"
    trust_score = int(conf*100 if label=="Real" else (1-conf)*100)

    return label, conf, trust_score