from fastapi import FastAPI
from .schemas import PredictRequest, PredictResponse
from .detector import predict_spam

app = FastAPI(
    title="Semantic SMS Spam Detection API",
    description="Embedding-based spam detection using sentence transformers",
    version="1.0.0"
)


@app.get("/")
def status():
    return {
        "status": "ok",
        "model": "all-MiniLM-L6-v2",
        "method": "semantic similarity"
    }


@app.post("/predict", response_model=PredictResponse)
def predict(request: PredictRequest):
    return predict_spam(request.text)