"""
"""
from fastapi import Depends
from sqlmodel import Session, SQLModel, select
from app.core.db import get_session
from app.schemas.models import Client
from typing import Type, Optional, Annotated


SessionDep = Annotated[Session, Depends(get_session)]


def exists(session: Session, model: Type[SQLModel], **filters) -> Optional[bool]:
    """
    Checks if a request exists in the given model using any filters.

    Example:
        exists(session, Client, phone="0781232465", tax_number="TIN123")
    """
    if not filters:
        raise ValueError("At least one filter must be provided")

    stmt = select(model)
    for field, value in filters.items():
        if not hasattr(model, field):
            raise ValueError(f"Invalid filter field: {field}")
        stmt = stmt.where(getattr(model, field) == value)

    result = session.exec(stmt).first()
    return result is not None