from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file=".env", extra="ignore")

    mobilityops_env: str = "development"
    mobilityops_demo_mode: bool = True
    database_url: str = "postgresql+psycopg://mobilityops:mobilityops@db:5432/mobilityops"
    knowledge_provider: str = "demo"
    ragcore_base_url: str = "http://ragcore-api:8000"
    ragcore_tenant: str = "northstar-mobility-demo"
    ragcore_workspace: str = "mobilityops"
    ragcore_collection: str = "internal-procedures"
    ragcore_api_token: str = ""
    ragcore_http_timeout_seconds: float = 5.0
    n8n_webhook_url: str = "http://n8n:5678/webhook/mobilityops-return"
    n8n_callback_token: str = "replace-me-n8n-callback-token"
    n8n_dispatch_enabled: bool = True
    n8n_dispatch_interval_seconds: float = 3.0
    n8n_http_timeout_seconds: float = 5.0
    n8n_max_attempts: int = 5
    app_secret: str = "replace-in-production"
    session_cookie_name: str = "mobilityops_session"
    session_ttl_seconds: int = 60 * 60 * 8
    seed_dir: str = "/app/seed"
    knowledge_dir: str = "/app/knowledge/procedures"
    cors_allow_origins: str = "http://localhost:1228"
    demo_today: str = "2026-08-01"


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