from pydantic_settings import BaseSettings, SettingsConfigDict
from typing import Optional


class Settings(BaseSettings):
    # Base app settings
    model_config = SettingsConfigDict(env_file=".env")
    app_name: str = "F1tness Parser API"
    version: str = "0.0.1"
    debug: bool = False

    # Postgres database settings
    POSTGRES_DATABASE_URL: Optional[str] = None
    POSTGRES_DATABASE_HOST: str = "localhost"
    POSTGRES_DATABASE_PORT: int = 5432
    POSTGRES_DATABASE_DB: str = "f1tness_db"
    POSTGRES_DATABASE_USER: str = "postgres"
    POSTGRES_DATABASE_PASSWORD: str = "password"

    def get_postgres_database_url(self, async_driver: bool = True) -> str:
        """Method for receiving relational database URL"""

        # If POSTGRES_DATABASE_URL is somehow set in env file - return it
        if self.POSTGRES_DATABASE_URL:
            return self.POSTGRES_DATABASE_URL

        driver = "postgresql+asyncpg" if async_driver else "postgresql"
        return (
            f"{driver}://{self.POSTGRES_DATABASE_USER}:{self.POSTGRES_DATABASE_PASSWORD}"
            f"@{self.POSTGRES_DATABASE_HOST}"
            f":{self.POSTGRES_DATABASE_PORT}/{self.POSTGRES_DATABASE_DB}"
        )


settings = Settings()