import assert from "node:assert";
import {
  afterEach, describe, it, mock,
} from "node:test";
import { Modals } from "./index";

describe("Modals plugin", () => {
  const originalInstance = Modals.instance;
  const originalFancybox = Modals.fancybox;

  afterEach(() => {
    Modals.instance = originalInstance;
    Modals.fancybox = originalFancybox;
    mock.restoreAll();
  });

  it("exposes reasons and closed default state", () => {
    assert.equal(typeof Modals.reasons.open, "string");
    assert.equal(Modals.isOpen(), false);
  });

  it("resolves close when requested id is missing and no active instances", async () => {
    Modals.instance = {} as Modals;
    Modals.fancybox = {
      getInstance: () => null,
      close: () => null,
    } as unknown as typeof Modals.fancybox;

    const result = await Modals.getClose("unknown-modal");

    assert.equal(result.reason, Modals.reasons.close);
    assert.equal(result.instance, null);
  });

  it("falls back to top-most instance when requested id is missing", async () => {
    let closeCalls = 0;
    const fakeInstance = {
      getContainer: () => null,
      close: () => {
        closeCalls += 1;
      },
    };

    Modals.instance = {} as Modals;
    Modals.fancybox = {
      getInstance: (id?: string) => {
        if (id) {
          return null;
        }
        return fakeInstance;
      },
      close: () => null,
    } as unknown as typeof Modals.fancybox;

    const result = await Modals.getClose("unknown-modal");

    assert.equal(result.reason, Modals.reasons.close);
    assert.equal(result.instance, fakeInstance);
    assert.equal(closeCalls, 1);
  });
});