/*
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, it } from "vitest";

import { MicLevelQuantizer } from "./lotusMicLevel";

describe("MicLevelQuantizer", () => {
  it("maps RMS to 0–3 bars", () => {
    expect(new MicLevelQuantizer().push(0.001)).toBe(0);
    expect(new MicLevelQuantizer().push(0.008)).toBe(1);
    expect(new MicLevelQuantizer().push(0.02)).toBe(2);
    expect(new MicLevelQuantizer().push(0.2)).toBe(3);
  });

  it("rises at once and falls one bar per sample", () => {
    const q = new MicLevelQuantizer();
    expect(q.push(0.2)).toBe(3);
    expect(q.push(0)).toBe(2);
    expect(q.push(0)).toBe(1);
    expect(q.push(0.02)).toBe(2);
    expect(q.push(0)).toBe(1);
    expect(q.push(0)).toBe(0);
    expect(q.push(0)).toBe(0);
  });

  it("reset drops straight to 0", () => {
    const q = new MicLevelQuantizer();
    q.push(0.2);
    q.reset();
    expect(q.push(0)).toBe(0);
  });
});