from pydantic_settings import BaseSettings, SettingsConfigDict
from functools import lru_cache


class Settings(BaseSettings):
    # Google OAuth
    google_client_id: str = ""
    google_client_secret: str = ""

    # JWT
    jwt_secret: str = "supersecretchangeme"
    jwt_algorithm: str = "HS256"
    jwt_expire_hours: int = 168  # 7 days

    # MongoDB
    mongodb_uri: str = "mongodb://localhost:27017"
    mongodb_db: str = "hireai"

    # Gemini
    gemini_api_key: str = ""

    # URLs
    frontend_url: str = "http://localhost:5173"
    backend_url: str = "http://localhost:8000"

    # Email
    mail_username: str = ""
    mail_password: str = ""
    mail_from: str = ""
    mail_server: str = "smtp.gmail.com"
    mail_port: int = 587
    mail_tls: bool = True
    mail_ssl: bool = False

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


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