"""Shared Xfyun service value normalization."""

from __future__ import annotations

def websocket_url(value: str, default: str) -> str:
    url = (value or default).strip()
    if url.startswith("https://"):
        return f"wss://{url.removeprefix('https://')}"
    if url.startswith("http://"):
        return f"ws://{url.removeprefix('http://')}"
    return url

def xfyun_language(value: str) -> str:
    normalized = (value or "zh_cn").lower().replace("-", "_")
    return {"zh": "zh_cn", "en": "en_us"}.get(normalized, normalized)


def xfyun_speed(value: float) -> int:
    """Reuse the existing OpenAI-style speed field where 1.0 means normal."""
    return max(0, min(100, round(value * 50 if value <= 4 else value)))