import { describe, expect, it } from "vitest";
import { SETTINGS_TABS, loadSettingsTab, parseSettingsTab, requestSettingsTab, saveSettingsTab } from "./settingsTab";

describe("settings tab persistence", () => {
  it("maps stored ids to indexes and falls back to the first tab", () => {
    expect(parseSettingsTab("fonts")).toBe(SETTINGS_TABS.findIndex((t) => t.id === "fonts"));
    expect(parseSettingsTab("nope")).toBe(0);
    expect(parseSettingsTab(null)).toBe(0);
  });

  it("does not throw when storage is unavailable", () => {
    // The node test environment has no localStorage at all.
    expect(loadSettingsTab()).toBe(0);
    expect(() => saveSettingsTab(2)).not.toThrow();
    expect(() => saveSettingsTab(99)).not.toThrow();
  });

  it("honours a requested tab once, then goes back to the stored one", () => {
    requestSettingsTab("integrations");
    expect(loadSettingsTab()).toBe(SETTINGS_TABS.findIndex((t) => t.id === "integrations"));
    expect(loadSettingsTab()).toBe(0);
  });
});