import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { type OoSoundCue, ooSound } from "./oo-sound";
import { readOoSoundEnabled, writeOoSoundEnabled } from "./oo-sound-pref";

describe("oo-sound-pref", () => {
  const storage = new Map<string, string>();

  beforeEach(() => {
    storage.clear();
    const localStorage = {
      getItem: (key: string) => storage.get(key) ?? null,
      setItem: (key: string, value: string) => {
        storage.set(key, value);
      },
      removeItem: (key: string) => {
        storage.delete(key);
      },
    };
    vi.stubGlobal("localStorage", localStorage);
    vi.stubGlobal("window", { localStorage });
  });

  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it("defaults sound to enabled", () => {
    expect(readOoSoundEnabled()).toBe(true);
  });

  it("persists disabled preference", () => {
    writeOoSoundEnabled(false);
    expect(readOoSoundEnabled()).toBe(false);
    writeOoSoundEnabled(true);
    expect(readOoSoundEnabled()).toBe(true);
  });
});

describe("ooSound", () => {
  class FakeContext {
    state: AudioContextState = "running";
    currentTime = 0;
    destination = {};
    createGain() {
      return {
        gain: { value: 0, setValueAtTime: vi.fn(), exponentialRampToValueAtTime: vi.fn() },
        connect: vi.fn(),
      };
    }
    createOscillator() {
      return {
        type: "sine",
        frequency: { setValueAtTime: vi.fn() },
        connect: vi.fn(),
        start: vi.fn(),
        stop: vi.fn(),
      };
    }
    resume = vi.fn(async () => undefined);
  }

  beforeEach(() => {
    vi.stubGlobal("AudioContext", FakeContext);
    vi.stubGlobal("window", {
      matchMedia: () => ({
        matches: false,
        addEventListener: vi.fn(),
        removeEventListener: vi.fn(),
      }),
    });
    vi.stubGlobal("document", { visibilityState: "visible" });
    writeOoSoundEnabled(true);
    ooSound.setEnabled(true);
  });

  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it("plays procedural cues when enabled", () => {
    const cues: OoSoundCue[] = [
      "work-complete",
      "listening-start",
      "listening-stop",
      "speaking-start",
      "speaking-done",
      "attention",
      "message-sent",
      "handoff",
    ];
    for (const cue of cues) {
      expect(() => ooSound.play(cue)).not.toThrow();
    }
  });

  it("skips playback when disabled", () => {
    ooSound.setEnabled(false);
    expect(() => ooSound.play("work-complete")).not.toThrow();
  });
});