from pydantic import BaseModel
import os

class Settings(BaseModel):
    DATABASE_URL: str = os.getenv("DATABASE_URL", "postgresql+asyncpg://postgres:postgres@localhost:5432/tasks")
    RABBITMQ_URL: str = os.getenv("RABBITMQ_URL", "amqp://guest:guest@localhost/")
    RABBITMQ_EXCHANGE: str = os.getenv("RABBITMQ_EXCHANGE", "tasks")
    RABBITMQ_EXCHANGE_TYPE: str = "topic"
    MAX_RETRIES: int = int(os.getenv("MAX_RETRIES", "3"))
    DNS_TIMEOUT: float = float(os.getenv("DNS_TIMEOUT", "3.0"))
    DNS_LIFETIME: float = float(os.getenv("DNS_LIFETIME", "5.0"))
    SMTP_TIMEOUT: float = float(os.getenv("SMTP_TIMEOUT", "10.0"))
    HTTP_TIMEOUT: float = float(os.getenv("HTTP_TIMEOUT", "8.0"))

settings = Settings()