import { describe, expect, it } from "vitest";
import {
  defaultOnboardingVoiceId,
  offlineOnboardingVoices,
  onboardingVoicesFromList,
} from "./onboarding-voices.js";

describe("offlineOnboardingVoices", () => {
  it("offers German voices for de", () => {
    expect(offlineOnboardingVoices("de").map((voice) => voice.id)).toEqual([
      "dm_thorsten",
      "df_kerstin",
      "df_eva",
      "df_ramona",
      "dm_karlsson",
    ]);
  });

  it("offers English voices for en", () => {
    const ids = offlineOnboardingVoices("en").map((voice) => voice.id);
    expect(ids).toContain("af_heart");
    expect(ids).not.toContain("df_eva");
  });
});

describe("onboardingVoicesFromList", () => {
  it("uses offline German presets when the server only lists English voices", () => {
    const englishOnly = [{ id: "af_alloy", label: "Alloy", description: "neutral" }];
    expect(onboardingVoicesFromList(englishOnly, "de").map((voice) => voice.id)).toEqual([
      "dm_thorsten",
      "df_kerstin",
      "df_eva",
      "df_ramona",
      "dm_karlsson",
    ]);
  });
});

describe("defaultOnboardingVoiceId", () => {
  it("prefers Thorsten for German", () => {
    expect(defaultOnboardingVoiceId("de", offlineOnboardingVoices("de"))).toBe("dm_thorsten");
  });
});