# app/api/v1/ppt.py
from fastapi import APIRouter, HTTPException
from fastapi.responses import FileResponse
from pydantic import BaseModel
from typing import List
from app.services.ppt_service import generate_ppt_file

router = APIRouter()

class Slide(BaseModel):
    title: str
    content: str

class PPTInput(BaseModel):
    slides: List[Slide]

@router.post("/generate")
def generate_ppt(payload: PPTInput):
    try:
        ppt_path = generate_ppt_file([slide.dict() for slide in payload.slides])
        filename = ppt_path.split("/")[-1]
        return FileResponse(
            ppt_path,
            media_type="application/vnd.openxmlformats-officedocument.presentationml.presentation",
            filename=filename
        )
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))