from functools import lru_cache
from pydantic_settings import BaseSettings, SettingsConfigDict

class Settings(BaseSettings):
    app_env: str = "development"
    app_name: str = "Loyalty Platform API"
    database_url: str
    redis_url: str = "redis://redis:6379/0"
    celery_broker_url: str = "redis://redis:6379/1"
    celery_result_backend: str = "redis://redis:6379/2"
    jwt_secret_key: str
    jwt_algorithm: str = "HS256"
    access_token_expire_minutes: int = 30
    refresh_token_expire_days: int = 30
    sms_provider: str = "demo"
    whatsapp_provider: str = "demo"
    rcs_provider: str = "demo"
    email_provider: str = "demo"
    cors_origins: str = "*"
    model_config = SettingsConfigDict(env_file=".env", extra="ignore")

    @property
    def cors_list(self):
        return [x.strip() for x in self.cors_origins.split(",") if x.strip()]

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