from fastapi import APIRouter, Depends, HTTPException
from sqlmodel import Session, select

from app.core.db import get_session
from app.models import GoogleAccount, AuditLog
from app.google.client import get_service

router = APIRouter()

def get_account(session: Session, email: str) -> GoogleAccount:
    acc = session.exec(select(GoogleAccount).where(GoogleAccount.email == email)).first()
    if not acc:
        raise HTTPException(status_code=404, detail="Cuenta no autorizada. Primero usa /auth/google/start.")
    return acc

@router.get("/courses")
def list_courses(account_email: str, session: Session = Depends(get_session)):
    acc = get_account(session, account_email)
    classroom = get_service("classroom", "v1", acc.token_json)
    try:
        res = classroom.courses().list(pageSize=20).execute()
        session.add(AuditLog(account_email=account_email, action="classroom_courses", detail="ok"))
        session.commit()
        return res
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))