import { describe, expect, it } from "vitest";
import { groupBotsForSidebar, reorderBotTo } from "./bot-sections.js";

const sections = [
  { id: "work", name: "Work" },
  { id: "home", name: "Home" },
];

describe("groupBotsForSidebar", () => {
  it("keeps pinned bots in one top-level group without duplicating them", () => {
    const groups = groupBotsForSidebar(
      [
        { id: "pinned", pinned: true, sectionId: "home" },
        { id: "work", pinned: false, sectionId: "work" },
        { id: "home", pinned: false, sectionId: "home" },
        { id: "loose", pinned: false, sectionId: null },
      ],
      sections,
    );

    expect(groups.map((group) => [group.title, group.bots.map((bot) => bot.id)])).toEqual([
      ["Pinned", ["pinned"]],
      ["Work", ["work"]],
      ["Home", ["home"]],
      ["Unassigned", ["loose"]],
    ]);
  });

  it("treats bots pointing at an unavailable section as unassigned", () => {
    const groups = groupBotsForSidebar(
      [{ id: "orphan", pinned: false, sectionId: "missing" }],
      sections,
    );
    expect(groups).toEqual([
      {
        key: "unassigned",
        title: "Unassigned",
        bots: [{ id: "orphan", pinned: false, sectionId: "missing" }],
      },
    ]);
  });

  it("does not add a heading before sections or pins exist", () => {
    const groups = groupBotsForSidebar([{ id: "first", pinned: false, sectionId: null }], []);
    expect(groups[0]?.title).toBeNull();
  });
});

describe("reorderBotTo", () => {
  const bots = [{ id: "a" }, { id: "b" }, { id: "c" }];

  it("moves a bot to the target bot's position in either direction", () => {
    expect(reorderBotTo(bots, "a", "c").map((bot) => bot.id)).toEqual(["b", "c", "a"]);
    expect(reorderBotTo(bots, "c", "a").map((bot) => bot.id)).toEqual(["c", "a", "b"]);
  });

  it("leaves the list alone when either bot is missing or unchanged", () => {
    expect(reorderBotTo(bots, "a", "missing")).toBe(bots);
    expect(reorderBotTo(bots, "a", "a")).toBe(bots);
  });
});