from functools import lru_cache
from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    app_name: str = "FamilyDashboard"
    timezone: str = "Europe/Zurich"
    database_url: str = "sqlite:///./data/familydashboard.db"
    cors_origins: str = "http://localhost:5173,http://127.0.0.1:5173"

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

    @property
    def cors_origin_list(self) -> list[str]:
        return [origin.strip() for origin in self.cors_origins.split(",") if origin.strip()]

    @property
    def sqlite_path(self) -> Path | None:
        if not self.database_url.startswith("sqlite:///"):
            return None
        raw_path = self.database_url.replace("sqlite:///", "", 1)
        return Path(raw_path)


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