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

describe("getCheckedBoxes", () => {
  afterEach(() => {
    document.body.innerHTML = "";
    mock.restoreAll();
  });

  it("returns checked inputs from NodeList", () => {
    document.body.innerHTML = `
      <form>
        <input type="checkbox" name="one" checked />
        <input type="checkbox" name="two" />
        <input type="radio" name="group" value="a" />
        <input type="radio" name="group" value="b" checked />
      </form>
    `;

    const list = document.querySelectorAll("input");
    const result = getCheckedBoxes(list);

    assert.strictEqual(result.length, 2);
    assert.strictEqual(result[0]?.name, "one");
    assert.strictEqual(result[1]?.value, "b");
  });

  it("filters checked inputs by selector", () => {
    document.body.innerHTML = `
      <form>
        <input type="checkbox" name="one" checked />
        <input type="radio" name="group" value="b" checked />
      </form>
    `;

    const list = document.querySelectorAll("input");
    const result = getCheckedBoxes(list, `[type="radio"]`);

    assert.strictEqual(result.length, 1);
    assert.strictEqual(result[0]?.type, "radio");
  });

  it("returns empty array and logs error for invalid selector", () => {
    document.body.innerHTML = `
      <form>
        <input type="checkbox" name="one" checked />
      </form>
    `;

    const errorSpy = mock.method(console, "error", () => {});
    const list = document.querySelectorAll("input");
    const result = getCheckedBoxes(list, `"[type="radio"]`);

    assert.strictEqual(result.length, 0);
    assert.strictEqual(errorSpy.mock.calls.length, 1);
  });
});