import time
from apollo_settings import ApolloSettings, ApolloSettingsConfigDict


class MySettings(ApolloSettings):
    model_config = ApolloSettingsConfigDict(
        meta_url='your_meta_url',
        app_id='your_app_id',
    )

    openai_api_base: str = 'test'
    rerank_model: str = 'test'
    rerank_threshold: float = 0.2


class ChatEninge:

    def __init__(self, rerank_model: str) -> None:
        self.rerank_model = rerank_model
    
    def update_model(self, settings: MySettings):
        self.rerank_model = settings.rerank_model


settings = MySettings()
engine = ChatEninge(rerank_model=settings.rerank_model)
settings.on_change(engine.update_model, fields=['rerank_model'])
print(settings)
print(engine.rerank_model)
time.sleep(1)
print(settings)
print(engine.rerank_model)