"""Application configuration via Pydantic Settings."""
from pydantic_settings import BaseSettings
from functools import lru_cache


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

    # Database
    database_url: str = "sqlite+aiosqlite:///./test.db"

    # Redis
    redis_url: str = "redis://localhost:6379/0"

    # Rentman
    rentman_api_token: str = ""

    # JWT
    jwt_secret: str = "change-me-in-production"
    jwt_algorithm: str = "HS256"
    jwt_expire_hours: int = 24

    # SMTP
    smtp_host: str = ""
    smtp_port: int = 587
    smtp_user: str = ""
    smtp_password: str = ""
    smtp_from: str = "info@hms-licht-ton.de"

    # CORS
    cors_origins: str = "https://hms.media-on.de,http://localhost:3000"

    # Admin seed
    admin_username: str = "admin"
    admin_password: str = "change_me_in_production"

    model_config = {"env_file": ".env", "extra": "ignore"}


@lru_cache
def get_settings() -> Settings:
    """Return cached settings instance."""
    return Settings()