/**
 * @file Tests for the shared UI primitives: the toast queue (errors stay,
 * successes fade, duplicates collapse), promise confirms (a second ask cancels
 * the first) and the IME-aware Enter check.
 *
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

import { afterEach, describe, expect, it, vi } from "vitest";
import { dismissToast, subscribeToasts, toast, type ToastItem } from "../toast";
import { confirmDialog, settleConfirm, subscribeConfirm } from "../confirm";
import { isSubmitEnter } from "../keys";

afterEach(() => vi.useRealTimers());

describe("toast", () => {
  it("keeps an error, fades a success, collapses a repeat", () => {
    vi.useFakeTimers();
    let seen: ToastItem[] = [];
    const off = subscribeToasts((i) => (seen = i));
    const errId = toast.error(new Error("boom"));
    toast.success("saved");
    toast.success("saved");
    expect(seen.map((t) => t.message)).toEqual(["boom", "saved"]);
    vi.advanceTimersByTime(5000);
    expect(seen.map((t) => t.message)).toEqual(["boom"]);
    dismissToast(errId);
    expect(seen).toEqual([]);
    off();
  });
});

describe("confirmDialog", () => {
  it("resolves on settle and cancels an earlier pending ask", async () => {
    const off = subscribeConfirm(() => {});
    const first = confirmDialog({ title: "a" });
    const second = confirmDialog({ title: "b" });
    await expect(first).resolves.toBe(false);
    settleConfirm(true);
    await expect(second).resolves.toBe(true);
    off();
  });
});

describe("isSubmitEnter", () => {
  const ev = (o: Partial<KeyboardEvent>) =>
    ({ key: "Enter", shiftKey: false, isComposing: false, keyCode: 13, ...o }) as KeyboardEvent;
  it("submits a plain Enter only", () => {
    expect(isSubmitEnter(ev({}))).toBe(true);
    expect(isSubmitEnter(ev({ shiftKey: true }))).toBe(false);
    expect(isSubmitEnter(ev({ isComposing: true }))).toBe(false);
    expect(isSubmitEnter(ev({ keyCode: 229 }))).toBe(false);
    expect(isSubmitEnter(ev({ key: "a" }))).toBe(false);
  });
});