"""CMDB: Institution + Server management endpoints."""
from typing import List

from fastapi import APIRouter, Depends
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from database import get_db
from models import Institution, InstitutionOut, Server, ServerOut

router = APIRouter(prefix="/api/cmdb", tags=["cmdb"])


@router.get("/institutions", response_model=List[InstitutionOut])
async def list_institutions(db: AsyncSession = Depends(get_db)):
    result = await db.execute(select(Institution).order_by(Institution.inst_name))
    return result.scalars().all()


@router.get("/institutions/{inst_code}/servers", response_model=List[ServerOut])
async def list_servers(inst_code: str, db: AsyncSession = Depends(get_db)):
    r = await db.execute(
        select(Institution).where(Institution.inst_code == inst_code)
    )
    inst = r.scalars().first()
    if not inst:
        from fastapi import HTTPException
        raise HTTPException(404, detail="기관을 찾을 수 없습니다.")

    result = await db.execute(
        select(Server).where(Server.inst_id == inst.id, Server.is_active == True)
                       .order_by(Server.server_name)
    )
    return result.scalars().all()