from fastapi import FastAPI
from fastapi.responses import FileResponse
from pydantic import BaseModel
from pptx_generator import generate_pptx
import uuid
import os

app = FastAPI()

class Slide(BaseModel):
    title: str
    bullets: list[str]

class PresentationData(BaseModel):
    slides: list[Slide]

@app.post("/generate")
def generate(data: PresentationData):
    output_file = f"/tmp/{uuid.uuid4()}.pptx"
    generate_pptx(data.slides, output_file)
    return FileResponse(output_file, media_type="application/vnd.openxmlformats-officedocument.presentationml.presentation")