import os
import sys
from pydantic_settings import BaseSettings, SettingsConfigDict

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

    DATABASE_URL: str = "sqlite:///app/mywebdav.db"
    REDIS_URL: str = "redis://redis:6379/0"
    SECRET_KEY: str = "super_secret_key"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7
    DOMAIN_NAME: str = "MyWebdav.eu"
    CERTBOT_EMAIL: str = "admin@example.com"
    STORAGE_PATH: str = "storage"
    S3_ACCESS_KEY_ID: str | None = None
    S3_SECRET_ACCESS_KEY: str | None = None
    S3_ENDPOINT_URL: str | None = None
    S3_BUCKET_NAME: str = "mywebdav-storage"
    SMTP_HOST: str = "mail.example.com"
    SMTP_PORT: int = 587
    SMTP_USERNAME: str = "noreply@example.com"
    SMTP_PASSWORD: str = "your-smtp-password"
    SMTP_USE_TLS: bool = True
    SMTP_SENDER_EMAIL: str = "noreply@example.com"
    TOTP_ISSUER: str = "MyWebdav"
    STRIPE_SECRET_KEY: str = ""
    STRIPE_PUBLISHABLE_KEY: str = ""
    STRIPE_WEBHOOK_SECRET: str = ""
    BILLING_ENABLED: bool = False

settings = Settings()

if settings.SECRET_KEY == "super_secret_key" and os.getenv("ENVIRONMENT") == "production":
    print("ERROR: Secret key must be changed in production. Set SECRET_KEY environment variable.")
    sys.exit(1)