from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False,
    )

    app_name: str = "CodeTutor API"
    app_version: str = "0.1.0"
    debug: bool = False

    database_url: str

    cors_origins: list[str] = ["http://localhost:3000"]

    default_page_size: int = 20
    max_page_size: int = 100


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