import { describe, expect, it } from "vitest";

import { getAppModelOptions, normalizeCustomModelSlugs } from "./appSettings";

describe("normalizeCustomModelSlugs", () => {
  it("normalizes aliases, removes built-ins, and deduplicates values", () => {
    expect(
      normalizeCustomModelSlugs([
        " custom/internal-model ",
        "gpt-5.3-codex",
        "5.3",
        "custom/internal-model",
        "",
        null,
      ]),
    ).toEqual(["custom/internal-model"]);
  });
});

describe("getAppModelOptions", () => {
  it("appends saved custom models after the built-in options", () => {
    const options = getAppModelOptions(["custom/internal-model"]);

    expect(options.map((option) => option.slug)).toEqual([
      "gpt-5.3-codex",
      "gpt-5.3-codex-spark",
      "gpt-5.2-codex",
      "gpt-5.2",
      "custom/internal-model",
    ]);
  });

  it("keeps the currently selected custom model available even if it is no longer saved", () => {
    const options = getAppModelOptions([], "custom/selected-model");

    expect(options.at(-1)).toEqual({
      slug: "custom/selected-model",
      name: "custom/selected-model",
      isCustom: true,
    });
  });
});