from fastapi import FastAPI
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles
from transformers import pipeline

app = FastAPI()

# Serve static files at /static
app.mount("/static", StaticFiles(directory="static", html=True), name="static")

pipe_flan = pipeline("text2text-generation", model="google/flan-t5-small")

@app.get("/")
def index():
    return FileResponse("static/index.html", media_type="text/html")

@app.get("/infer_t5")
def t5(input: str):
    output = pipe_flan(input)
    return {"output": output[0]["generated_text"]}