from pydantic import BaseModel, EmailStr, Field, validator
from datetime import datetime
from typing import Optional
#
import re
from enum import Enum

from sqlalchemy.orm import Session
from datetime import datetime
from typing import Optional
from fastapi import HTTPException
from app.modules.location.models import Locations
from app.modules.location.schema import LocationBase, LocationUpdate

class LocationsService:
    @staticmethod
    def create_locations(db: Session, data:LocationBase ):
        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: LocationUpdate, 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"}