"""Tradier brokerage settings (sandbox by default — live is an explicit opt-in)."""

from __future__ import annotations

import os
from dataclasses import dataclass

SANDBOX_BASE_URL = "https://sandbox.tradier.com/v1"
LIVE_BASE_URL = "https://api.tradier.com/v1"


@dataclass(frozen=True)
class TradierSettings:
    access_token: str = ""
    account_id: str = ""
    base_url: str = SANDBOX_BASE_URL

    @classmethod
    def from_env(cls, env: dict[str, str] | None = None) -> "TradierSettings":
        values = dict(os.environ)
        if env is not None:
            values.update(env)
        env_name = values.get("TRADIER_ENV", "sandbox").strip().lower()
        base = values.get("TRADIER_BASE_URL") or (
            LIVE_BASE_URL if env_name == "live" else SANDBOX_BASE_URL
        )
        return cls(
            access_token=values.get("TRADIER_ACCESS_TOKEN", "").strip(),
            account_id=values.get("TRADIER_ACCOUNT_ID", "").strip(),
            base_url=base.rstrip("/"),
        )

    @property
    def is_configured(self) -> bool:
        return bool(self.access_token and self.account_id)

    @property
    def is_sandbox(self) -> bool:
        return "sandbox" in self.base_url