from sqlalchemy.orm import Session
from datetime import datetime
from typing import Optional
from fastapi import HTTPException
from app.modules.locations.models import Locations
from app.modules.locations.schema import 


class LocationsService:
    @staticmethod
    def create_locations(db: Session, data: ):
        
        
        
        
        new_locations = Locations(**data.dict())
        db.add(new_locations)
        db.commit()
        db.refresh(new_locations)
        return new_locations

    @staticmethod
    def get_locations(db: Session, locations_id: int, current_user):
        locations = db.query(Locations).filter(Locations.id == locations_id).first()
        if not locations:
            raise ValueError("locations no encontrado")
        return locations

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

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