import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { DEFAULT_MOBILE_TABS, MOBILE_TABS, normalizeMobileTabs } from "./mobileTabs.ts";

describe("normalizeMobileTabs", () => {
  it("合法子集原样保留", () => {
    assert.deepEqual(normalizeMobileTabs(["home", "me"]), ["home", "me"]);
    assert.deepEqual(normalizeMobileTabs(["messages"]), ["messages"]);
  });
  it("snippets 为白名单合法项，显式启用时保留", () => {
    assert.deepEqual(normalizeMobileTabs(["snippets"]), ["snippets"]);
    assert.deepEqual(normalizeMobileTabs(["home", "snippets", "me"]), ["home", "snippets", "me"]);
  });
  it("去重与去空白", () => {
    assert.deepEqual(normalizeMobileTabs(["home", "home", "", "  ", "me"]), ["home", "me"]);
  });
  it("大小写与首尾空格容错", () => {
    assert.deepEqual(normalizeMobileTabs([" HOME ", "Me"]), ["home", "me"]);
  });
  it("非法元素被剔除", () => {
    assert.deepEqual(normalizeMobileTabs(["home", "trophy", 42, null]), ["home"]);
  });
  it("空数组/非法输入回落默认集合", () => {
    assert.deepEqual(normalizeMobileTabs([]), DEFAULT_MOBILE_TABS);
    assert.deepEqual(normalizeMobileTabs(["nope"]), DEFAULT_MOBILE_TABS);
    assert.deepEqual(normalizeMobileTabs(undefined), DEFAULT_MOBILE_TABS);
    assert.deepEqual(normalizeMobileTabs("home"), DEFAULT_MOBILE_TABS);
    assert.deepEqual(normalizeMobileTabs(null), DEFAULT_MOBILE_TABS);
  });
  it("白名单与默认集合：snippets 在白名单内但默认不启用", () => {
    assert.equal(MOBILE_TABS.length, 6);
    assert.ok(MOBILE_TABS.includes("snippets"));
    assert.equal(DEFAULT_MOBILE_TABS.length, 5);
    assert.ok(!DEFAULT_MOBILE_TABS.includes("snippets"));
    assert.deepEqual(DEFAULT_MOBILE_TABS, MOBILE_TABS.filter((k) => k !== "snippets"));
  });
});