from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


class AppSettings(BaseSettings):
    model_config = SettingsConfigDict(extra="ignore")

    celery_broker_url: str = Field(
        default="redis://localhost:6379/0", alias="CELERY_BROKER_URL"
    )
    celery_result_backend: str = Field(
        default="redis://localhost:6379/0",
        alias="CELERY_RESULT_BACKEND",
    )

    llm_endpoint_url: str | None = Field(default=None, alias="LLM_ENDPOINT_URL")
    llm_endpoint_api_key: str | None = Field(default=None, alias="LLM_ENDPOINT_API_KEY")
    llm_endpoint_timeout_seconds: float = Field(
        default=10.0,
        alias="LLM_ENDPOINT_TIMEOUT_SECONDS",
        gt=0,
    )

    http_log_level: str = Field(default="INFO", alias="HTTP_LOG_LEVEL")
    celery_log_level: str = Field(default="INFO", alias="CELERY_LOG_LEVEL")


def get_settings() -> AppSettings:
    return AppSettings()