"""Shared browser response value objects and challenge detection."""

from __future__ import annotations

from dataclasses import dataclass


@dataclass(frozen=True)
class BrowserResponse:
    status: int
    body: str
    challenge: str = ""


@dataclass(frozen=True)
class BrowserMediaResponse:
    status: int
    content_type: str
    body_base64: str


@dataclass(frozen=True)
class BrowserLoginQRResponse:
    content_type: str
    body_base64: str
    qr_detected: bool


def detect_challenge(status: int, body: str) -> str:
    if status == 429:
        return ""
    if status == 412:
        return "captcha"
    lowered = body.lower()
    if any(token in lowered for token in ("captcha", "verify_code", "验证码")):
        return "captcha"
    if any(token in lowered for token in ("device_verify", "device_check", "设备验证")):
        return "device"
    return ""