from sqlalchemy.orm import Session
from datetime import datetime
from typing import Optional
from fastapi import HTTPException
from app.modules.branches.models import Branches
from app.modules.branches.schema import 


class BranchesService:
    @staticmethod
    def create_branches(db: Session, data: ):
        
        
        
        
        new_branches = Branches(**data.dict())
        db.add(new_branches)
        db.commit()
        db.refresh(new_branches)
        return new_branches

    @staticmethod
    def get_branches(db: Session, branches_id: int, current_user):
        branches = db.query(Branches).filter(Branches.id == branches_id).first()
        if not branches:
            raise ValueError("branches no encontrado")
        return branches

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

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