from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    app_name: str = "dodo"
    database_url: str = "postgresql+asyncpg://dodo:dodo@localhost:5432/dodo"
    session_days: int = 30
    cookie_secure: bool = False
    trusted_proxies: str = ""
    auto_create_schema: bool = False
    attachment_dir: str = "./data/attachments"
    attachment_max_mb: int = 20
    backup_max_archive_mb: int = 256
    backup_max_pending_per_user: int = 3
    backup_max_staged_mb_per_user: int = 768
    backup_preflight_ttl_seconds: int = 900
    backup_staging_dir: str = "./data/backup-staging"
    login_attempts: int = 5
    login_window_seconds: int = 300

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


@lru_cache
def get_settings() -> Settings:
    return Settings()