from sqlalchemy.orm import Session
from datetime import datetime
from typing import Optional
from fastapi import HTTPException
from app.modules.edos.models import EDOS
from app.modules.edos.schema import 


class EDOSService:
    @staticmethod
    def create_edos(db: Session, data: ):
        
        
        
        
        new_edos = EDOS(**data.dict())
        db.add(new_edos)
        db.commit()
        db.refresh(new_edos)
        return new_edos

    @staticmethod
    def get_edos(db: Session, edos_id: int, current_user):
        edos = db.query(EDOS).filter(EDOS.id == edos_id).first()
        if not edos:
            raise ValueError("edos no encontrado")
        return edos

    @staticmethod
    def update_edos(db: Session, edos_id: int, data: , current_user):
        edos = db.query(EDOS).filter(EDOS.id == edos_id).first()
        if not edos:
            raise ValueError("edos no encontrado")
        
        if current_user.role not in ["ROOT", "ADMIN"]:
            raise ValueError("No tienes permisos para actualizar este edos")
        
        update_data = data.dict(exclude_unset=True)
        for key, value in update_data.items():
            setattr(edos, key, value)
        
        db.commit()
        db.refresh(edos)
        return edos

    @staticmethod
    def delete_edos(db: Session, edos_id: int, current_user):
        edos = db.query(EDOS).filter(EDOS.id == edos_id).first()
        if not edos:
            raise ValueError("edos no encontrado")
        
        if current_user.role not in ["ROOT", "ADMIN"]:
            raise ValueError("No tienes permisos para eliminar este edos")
        
        try:
            edos.is_active = False
            edos.deleted_at = datetime.utcnow()
            edos.deleted_by = current_user.id
            db.commit()
            db.refresh(edos)
        except Exception as e:
            db.rollback()
            raise ValueError(f"Error al eliminar el edos: {e}")
        
        return {"message": "edos eliminado correctamente"}