from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Configuration applicative, alimentée par l'environnement."""

    model_config = SettingsConfigDict(
        env_file=".env", env_file_encoding="utf-8", extra="ignore"
    )

    environment: str = "development"

    database_url: str = (
        "postgresql+psycopg://benevoles:benevoles@localhost:5432/benevoles"
    )
    test_database_url: str = (
        "postgresql+psycopg://benevoles:benevoles@localhost:5432/benevoles_test"
    )

    # Utilisés par l'étape authentification (lien magique). Pas encore actifs.
    jwt_secret: str = "dev-only-change-me"
    magic_link_ttl_minutes: int = 30

    log_level: str = "INFO"
    cors_origins: list[str] = ["http://localhost:5173"]

    @property
    def is_production(self) -> bool:
        return self.environment == "production"


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