import json

import pydantic.json
from sqlmodel import SQLModel, create_engine, Session

sqlite_file_name = "database7.db"
sqlite_url = f"sqlite:///{sqlite_file_name}"


def _custom_json_serializer(*args, **kwargs) -> str:
    """
    Encodes json in the same way that pydantic does.
    """

    return json.dumps(*args, default=pydantic.json.pydantic_encoder, **kwargs)

engine = create_engine(sqlite_url, echo=False, connect_args={"check_same_thread": False}, json_serializer=_custom_json_serializer)

def create_db_and_tables():
    SQLModel.metadata.create_all(engine)

def get_session():
    with Session(engine, expire_on_commit=False) as s:
        yield s