"""Shared platform scope discovery for HTTP and AI consumers."""

from fastapi import HTTPException

from ..worldquant import WqError


async def platform_options(client):
    """Return live account choices, surfacing sanitized upstream failures to callers."""
    if client is None:
        raise HTTPException(409, "请先连接 WorldQuant")
    try:
        return await client.get_platform_setting_options()
    except WqError as exc:
        raise HTTPException(
            409 if exc.code in ("disconnected", "verification_required") else 502, str(exc)
        ) from None


async def validate_platform_scope(client, scope):
    """Reject unsupported combinations before creating a synchronization job."""
    data = await platform_options(client)
    if not any(
        row["instrument_type"] == scope.instrument_type
        and row["region"] == scope.region
        and row["delay"] == scope.delay
        and scope.universe in row["universes"]
        for row in data["instrument_options"]
    ):
        raise HTTPException(422, "平台不支持此 Instrument Type / Region / Delay / Universe 组合")