import { describe, it, expect, beforeEach } from "vitest";
import { PettyToggle } from "../src/components/toggle/index";
import { h } from "./helpers";

describe("petty-toggle", () => {
  let el: PettyToggle;

  beforeEach(() => {
    document.body.textContent = "";
    el = document.createElement("petty-toggle") as PettyToggle;
    el.appendChild(h("button", { "data-part": "control", type: "button" }, "Bold"));
    document.body.appendChild(el);
  });

  it("registers the custom element", () => {
    expect(customElements.get("petty-toggle")).toBe(PettyToggle);
  });

  it("defaults to unpressed with aria-pressed false", () => {
    expect(el.pressed).toBe(false);
    expect(el.dataset.state).toBe("off");
    expect(el.querySelector("button")!.getAttribute("aria-pressed")).toBe("false");
  });

  it("sets pressed via property", () => {
    el.pressed = true;
    expect(el.hasAttribute("pressed")).toBe(true);
    expect(el.querySelector("button")!.getAttribute("aria-pressed")).toBe("true");
    expect(el.dataset.state).toBe("on");
  });

  it("toggles on click and fires petty-change", () => {
    let detail: { pressed: boolean } | null = null;
    el.addEventListener("petty-change", ((e: CustomEvent) => {
      detail = e.detail;
    }) as EventListener);
    el.querySelector("button")!.click();
    expect(el.pressed).toBe(true);
    expect(detail).toEqual({ pressed: true });
  });

  it("does not toggle when disabled", () => {
    el.setAttribute("disabled", "");
    el.querySelector("button")!.click();
    expect(el.pressed).toBe(false);
  });
});