"""Routing-Endpoints: Gateway-Übersicht (welcher Alias = fast/heavy/…) + Mapping setzen."""

from fastapi import APIRouter, HTTPException
from pydantic import BaseModel

from services import gateway

router = APIRouter(prefix="/api")


@router.get("/routing")
def routing() -> dict:
    return {**gateway.routing_summary(), "gateway_reachable": gateway.gateway_reachable()}


class RouteReq(BaseModel):
    name: str          # Gateway-Modellname, z.B. "fast" / "heavy" / "vision" / "coder"
    target_alias: str  # llama-swap-Alias, der bedient wird
    api_base: str = "http://127.0.0.1:8080/v1"


@router.put("/routing/route")
def set_route(req: RouteReq) -> dict:
    try:
        gateway.set_route(req.name, req.target_alias, api_base=req.api_base)
    except Exception as exc:  # noqa: BLE001
        raise HTTPException(500, str(exc))
    return {"ok": True}