from fastapi import APIRouter, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select
from sqlalchemy.orm import sessionmaker
from sqlalchemy import desc
from app.database import engine
from app.models import VideoUpload

router = APIRouter()

# Create async DB session
async_session = sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)


@router.get("/dashboard/{user_id}")
async def get_user_dashboard(user_id: int):
    try:
        async with async_session() as session:
            query = (
                select(VideoUpload)
                .where(VideoUpload.user_id == user_id)
                .order_by(desc(VideoUpload.created_at))
            )
            result = await session.execute(query)
            uploads = result.scalars().all()

            # Convert SQLAlchemy objects to dicts for response
            return [
                {
                    "id": upload.id,
                    "video_url": upload.video_url,
                    "pdf_url": upload.pdf_url,
                    "status": upload.status,
                    "created_at": upload.created_at,
                }
                for upload in uploads
            ]
    except Exception as e:
        raise HTTPException(
            status_code=500, detail=f"Error fetching dashboard data: {str(e)}"
        )