/*
Copyright 2026 Lotus Guild

SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE in the repository root for full details.
*/

import { describe, expect, test } from "vitest";
import { type AudioProcessorOptions } from "livekit-client";

import { LotusDenoiseProcessor } from "./lotusDenoiseProcessor";

function makeProcessor(): LotusDenoiseProcessor {
  return new LotusDenoiseProcessor({
    model: "rnnoise",
    assetBase: "https://example.invalid/denoise/",
    gate: false,
    gateThreshold: -45,
    floor: 0.15,
  });
}

describe("LotusDenoiseProcessor.restart", () => {
  test("falls back to processedTrack = undefined (never the raw LiveKit track) when graph rebuild fails", async () => {
    const processor = makeProcessor();

    // Stub out the AudioContext/graph plumbing: pretend the context is fine
    // but the graph rebuild (wasm load / worklet construction) throws, which
    // is the path this test targets.
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    (processor as any).ensureContext = async (): Promise<void> => {
      await Promise.resolve();
    };
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    (processor as any).buildGraph = async (): Promise<never> => {
      await Promise.resolve();
      throw new Error("simulated graph build failure");
    };

    const rawTrack = {
      stop: (): void => undefined,
    } as unknown as MediaStreamTrack;

    await processor.restart({
      track: rawTrack,
    } as unknown as AudioProcessorOptions);

    // Must NOT be the raw, LiveKit-owned track: LiveKit's
    // internalStopProcessor() calls `processor.processedTrack?.stop()` then
    // re-publishes the same `_mediaStreamTrack` object, which would kill the
    // live mic on the next stopProcessor()/teardown if we handed it back here.
    expect(processor.processedTrack).toBeUndefined();
    expect(processor.processedTrack).not.toBe(rawTrack);
  });
});