"""Typed application settings: the only reader of environment variables."""

from enum import StrEnum

from pydantic_settings import BaseSettings, SettingsConfigDict


class AppMode(StrEnum):
    """Runtime mode: live Spotify + Anthropic, or fixture-replay demo."""

    LIVE = "live"
    DEMO = "demo"


class Settings(BaseSettings):
    """Application settings, loaded from the environment or a .env file."""

    model_config = SettingsConfigDict(env_file=".env", extra="ignore")

    app_mode: AppMode = AppMode.DEMO
    spotify_client_id: str = ""
    spotify_redirect_uri: str = "http://127.0.0.1:8888/callback"
    spotify_api_base_url: str = "https://api.spotify.com/v1"
    spotify_timeout_seconds: float = 10.0
    spotify_retry_after_cap_seconds: float = 5.0
    session_cookie_secure: bool = False


settings = Settings()