from functools import lru_cache
from pydantic_settings import BaseSettings, SettingsConfigDict


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

    app_name: str = "VerifyPack"
    environment: str = "development"
    secret_key: str = "change-me-in-production-please-32chars-min"
    access_token_expire_minutes: int = 1440
    algorithm: str = "HS256"
    frontend_url: str = "http://localhost:3000"

    # Database
    mongodb_url: str = "mongodb://localhost:27017"
    mongodb_db: str = "verifypack"
    mock_db: bool = False

    # Mock toggles
    mock_email: bool = True
    mock_storage: bool = True

    # AWS
    aws_region: str = "ap-south-1"
    aws_access_key_id: str = ""
    aws_secret_access_key: str = ""
    ses_from_email: str = "no-reply@verifypack.example"
    s3_bucket: str = "verifypack-uploads"

    # Google OAuth
    google_client_id: str = ""
    google_client_secret: str = ""
    google_redirect_uri: str = "http://localhost:8000/auth/google/callback"

    # Razorpay
    razorpay_key_id: str = ""
    razorpay_key_secret: str = ""
    razorpay_webhook_secret: str = ""
    gst_rate: float = 0.18

    @property
    def google_configured(self) -> bool:
        return bool(self.google_client_id and self.google_client_secret)

    @property
    def razorpay_configured(self) -> bool:
        return bool(self.razorpay_key_id and self.razorpay_key_secret)

    @property
    def ses_configured(self) -> bool:
        return bool(self.aws_access_key_id and self.aws_secret_access_key)


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


settings = get_settings()