from fastapi import FastAPI, UploadFile, File
from fastapi.responses import JSONResponse
from tensorflow.keras.models import load_model
from PIL import Image
import numpy as np
import io

app = FastAPI()

# Load model and class names
model = load_model("hf_keras_model.keras")
class_names = ['buildings', 'forest', 'glacier', 'mountain', 'sea', 'street']

@app.post("/predict/")
async def predict(file: UploadFile = File(...)):
    contents = await file.read()
    image = Image.open(io.BytesIO(contents)).convert("RGB")
    image = image.resize((150, 150))
    img_array = np.array(image) / 255.0
    img_array = np.expand_dims(img_array, axis=0)

    preds = model.predict(img_array)[0]
    confidences = {class_names[i]: float(preds[i]) for i in range(len(class_names))}

    return JSONResponse(content=confidences)