"""
Folders API router
"""
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from typing import List

from app.database import get_db
from app.models import Folder, SourceRoot

router = APIRouter()

@router.get("")
async def get_folders(db: AsyncSession = Depends(get_db)):
    """Get folder tree"""
    result = await db.execute(select(Folder))
    folders = result.scalars().all()
    return folders

@router.post("/{folder_id}/scan")
async def scan_folder(folder_id: str, db: AsyncSession = Depends(get_db)):
    """Trigger manual re-scan of folder"""
    from app.tasks.scan import scan_folder as scan_task
    
    result = await db.execute(select(Folder).where(Folder.id == folder_id))
    folder = result.scalar_one_or_none()
    
    if not folder:
        raise HTTPException(status_code=404, detail="Folder not found")
    
    scan_task.delay(folder.path)
    return {"status": "success", "message": f"Scan queued for {folder.path}"}