import os
import torch
import faiss
import base64
from PIL import Image
from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse
from io import BytesIO
from src.modules import FeatureExtractor
from fastapi.middleware.cors import CORSMiddleware
import zipfile
from pydantic import BaseModel, Field
import json
from dotenv import load_dotenv




def base64_to_image(base64_str: str) -> Image.Image:
    try:
        image_data = base64.b64decode(base64_str)
        image = Image.open(BytesIO(image_data)).convert("RGB")
        return image
    except Exception as e:
        raise HTTPException(status_code=400, detail="Invalid Base64 image")


def image_to_base64(image: Image.Image) -> str:
    buffered = BytesIO()
    image.save(buffered, format="JPEG")
    return base64.b64encode(buffered.getvalue()).decode("utf-8")