"""Resolve pattern style from n6 or legacy preset pattern id (p)."""


def style_mode(preset, default=0, legacy=None):
    legacy = legacy or {}
    p = getattr(preset, "p", "") or ""
    if p in legacy:
        return legacy[p]
    mode = getattr(preset, "mode", None)
    if mode is None and isinstance(preset, dict):
        mode = preset.get("mode")
    if mode is not None:
        try:
            return int(mode)
        except (TypeError, ValueError):
            pass
    n6 = int(getattr(preset, "n6", 0) or 0)
    return n6 if n6 > 0 else default