"""Configuration management using pydantic-settings."""

from pydantic_settings import BaseSettings
from typing import Optional


class Settings(BaseSettings):
    """Application configuration loaded from environment variables."""

    # App
    APP_NAME: str = "Sanctum Chronicler"
    APP_ENV: str = "development"
    DEBUG: bool = False

    # Database
    DATABASE_URL: str = "postgresql+asyncpg://sanctum:password@localhost:5432/sanctum"

    # Twitch
    TWITCH_CLIENT_ID: Optional[str] = None
    TWITCH_CLIENT_SECRET: Optional[str] = None
    TWITCH_BOT_USERNAME: Optional[str] = None
    TWITCH_CHANNEL_NAME: Optional[str] = None

    # LLM
    LLM_PROVIDER: Optional[str] = None  # "openai", "ollama", "lm_studio", or None
    LLM_BASE_URL: Optional[str] = None
    LLM_API_KEY: Optional[str] = None
    LLM_MODEL: str = "gpt-3.5-turbo"

    # Export
    EXPORT_PATH: str = "exports"

    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"
        case_sensitive = True


settings = Settings()