import uvicorn
from fastapi import FastAPI, Form, Request
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates

from inference import inferenceAPI


# ------ MODELE --------------------------------------------------------------
# appel de la fonction inference, adaptee pour une entree txt
def summarize(text: str):
    return " ".join(inferenceAPI(text))


# ----------------------------------------------------------------------------------


# -------- API ---------------------------------------------------------------------
app = FastAPI()

# static files pour envoi du css au navigateur
templates = Jinja2Templates(directory="templates")
app.mount("/templates", StaticFiles(directory="templates"), name="templates")


@app.get("/")
async def index(request: Request):
    return templates.TemplateResponse("index.html.jinja", {"request": request})


# retourner le texte, les predictions et message d'erreur si formulaire envoye vide
@app.post("/")
async def prediction(request: Request, text: str = Form(None)):
    if not text:
        error = "Merci de saisir votre texte."
        return templates.TemplateResponse(
            "index.html.jinja", {"request": request, "text": error}
        )
    else:
        summary = summarize(text)
        return templates.TemplateResponse(
            "index.html.jinja", {"request": request, "text": text, "summary": summary}
        )


# ------------------------------------------------------------------------------------


# lancer le serveur et le recharger a chaque modification sauvegardee
if __name__ == "__main__":
    uvicorn.run("api:app", port=8000, reload=True)