// Manual facade. Keep loader boundary explicit.
type FacadeModule = typeof import("@openclaw/lmstudio/runtime-api.js");
import { loadBundledPluginPublicSurfaceModuleSync } from "./facade-runtime.js";

function loadFacadeModule(): FacadeModule {
  return loadBundledPluginPublicSurfaceModuleSync<FacadeModule>({
    dirName: "lmstudio",
    artifactBasename: "runtime-api.js",
  });
}

export type LmstudioModelWire = Parameters<FacadeModule["mapLmstudioWireEntry"]>[0];
export type LmstudioModelBase = Exclude<ReturnType<FacadeModule["mapLmstudioWireEntry"]>, null>;

// Keep defaults inline so importing the runtime facade stays cold until a helper
// is actually used. These values are part of the public LM Studio contract.
export const LMSTUDIO_DEFAULT_BASE_URL: FacadeModule["LMSTUDIO_DEFAULT_BASE_URL"] =
  "http://localhost:1234";
export const LMSTUDIO_DEFAULT_INFERENCE_BASE_URL: FacadeModule["LMSTUDIO_DEFAULT_INFERENCE_BASE_URL"] = `${LMSTUDIO_DEFAULT_BASE_URL}/v1`;
export const LMSTUDIO_DEFAULT_EMBEDDING_MODEL: FacadeModule["LMSTUDIO_DEFAULT_EMBEDDING_MODEL"] =
  "text-embedding-nomic-embed-text-v1.5";
export const LMSTUDIO_PROVIDER_LABEL: FacadeModule["LMSTUDIO_PROVIDER_LABEL"] = "LM Studio";
export const LMSTUDIO_DEFAULT_API_KEY_ENV_VAR: FacadeModule["LMSTUDIO_DEFAULT_API_KEY_ENV_VAR"] =
  "LM_API_TOKEN";
export const LMSTUDIO_LOCAL_API_KEY_PLACEHOLDER: FacadeModule["LMSTUDIO_LOCAL_API_KEY_PLACEHOLDER"] =
  "lmstudio-local";
export const LMSTUDIO_MODEL_PLACEHOLDER: FacadeModule["LMSTUDIO_MODEL_PLACEHOLDER"] =
  "model-key-from-api-v1-models";
export const LMSTUDIO_DEFAULT_LOAD_CONTEXT_LENGTH: FacadeModule["LMSTUDIO_DEFAULT_LOAD_CONTEXT_LENGTH"] = 64000;
export const LMSTUDIO_DEFAULT_MODEL_ID: FacadeModule["LMSTUDIO_DEFAULT_MODEL_ID"] =
  "qwen/qwen3.5-9b";
export const LMSTUDIO_PROVIDER_ID: FacadeModule["LMSTUDIO_PROVIDER_ID"] = "lmstudio";

export const resolveLmstudioReasoningCapability: FacadeModule["resolveLmstudioReasoningCapability"] =
  createLazyFacadeValue("resolveLmstudioReasoningCapability");
export const resolveLoadedContextWindow: FacadeModule["resolveLoadedContextWindow"] =
  createLazyFacadeValue("resolveLoadedContextWindow");
export const resolveLmstudioServerBase: FacadeModule["resolveLmstudioServerBase"] =
  createLazyFacadeValue("resolveLmstudioServerBase");
export const resolveLmstudioInferenceBase: FacadeModule["resolveLmstudioInferenceBase"] =
  createLazyFacadeValue("resolveLmstudioInferenceBase");
export const normalizeLmstudioProviderConfig: FacadeModule["normalizeLmstudioProviderConfig"] =
  createLazyFacadeValue("normalizeLmstudioProviderConfig");
export const fetchLmstudioModels: FacadeModule["fetchLmstudioModels"] =
  createLazyFacadeValue("fetchLmstudioModels");
export const mapLmstudioWireEntry: FacadeModule["mapLmstudioWireEntry"] =
  createLazyFacadeValue("mapLmstudioWireEntry");
export const discoverLmstudioModels: FacadeModule["discoverLmstudioModels"] =
  createLazyFacadeValue("discoverLmstudioModels");
export const ensureLmstudioModelLoaded: FacadeModule["ensureLmstudioModelLoaded"] =
  createLazyFacadeValue("ensureLmstudioModelLoaded");
export const buildLmstudioAuthHeaders: FacadeModule["buildLmstudioAuthHeaders"] =
  createLazyFacadeValue("buildLmstudioAuthHeaders");
export const resolveLmstudioConfiguredApiKey: FacadeModule["resolveLmstudioConfiguredApiKey"] =
  createLazyFacadeValue("resolveLmstudioConfiguredApiKey");
export const resolveLmstudioProviderHeaders: FacadeModule["resolveLmstudioProviderHeaders"] =
  createLazyFacadeValue("resolveLmstudioProviderHeaders");
export const resolveLmstudioRuntimeApiKey: FacadeModule["resolveLmstudioRuntimeApiKey"] =
  createLazyFacadeValue("resolveLmstudioRuntimeApiKey");

function createLazyFacadeValue<K extends keyof FacadeModule>(key: K): FacadeModule[K] {
  return ((...args: unknown[]) => {
    const value = loadFacadeModule()[key];
    if (typeof value !== "function") {
      return value;
    }
    return (value as (...innerArgs: unknown[]) => unknown)(...args);
  }) as FacadeModule[K];
}