from fastapi import FastAPI, Request
from pydantic import BaseModel
from app.model import load_model, predict

app = FastAPI()
model, tokenizer, mlb = load_model()

class PredictRequest(BaseModel):
    text: str

@app.post("/predict")
async def predict_labels(request: PredictRequest):
    text = request.text
    pred_labels = predict(text, model, tokenizer, mlb)
    return {"labels": pred_labels}

@app.get("/")
def root():
    return {"message": "BERT Multi-label API is live"}