import {
  TOOLBOX_PREFERENCES_KEY,
  defaultToolboxPreferences,
  parseToolboxPreferences,
  readToolboxPreferences,
  writeToolboxPreferences,
} from "../src/index.js";
import { describe, expect, it } from "vitest";

function memoryStorage(initial?: string) {
  const values = new Map<string, string>();
  if (initial !== undefined) values.set(TOOLBOX_PREFERENCES_KEY, initial);
  return {
    getItem: (key: string) => values.get(key) ?? null,
    setItem: (key: string, value: string) => values.set(key, value),
  };
}

describe("shared toolbox preferences", () => {
  it("parses version 1 and removes duplicate ids", () => {
    expect(
      parseToolboxPreferences({
        version: 1,
        pinned: ["pdf", "pdf"],
        order: ["pdf", "xslt"],
        hidden: [],
        theme: "dark",
      }),
    ).toEqual({
      version: 1,
      pinned: ["pdf"],
      order: ["pdf", "xslt"],
      hidden: [],
      theme: "dark",
    });
  });

  it("returns independent defaults for missing or corrupt storage", () => {
    const missing = readToolboxPreferences(memoryStorage());
    const corrupt = readToolboxPreferences(memoryStorage("not json"));
    missing.pinned.push("pdf");
    expect(corrupt).toEqual(defaultToolboxPreferences);
    expect(corrupt.pinned).toEqual([]);
  });

  it("writes validated preferences under the compatible portal key", () => {
    const storage = memoryStorage();
    writeToolboxPreferences(
      {
        version: 1,
        pinned: ["pdf"],
        order: ["pdf"],
        hidden: [],
        theme: "light",
      },
      storage,
    );
    expect(readToolboxPreferences(storage)).toMatchObject({
      pinned: ["pdf"],
      theme: "light",
    });
  });
});