// The toast list. Run by `npm test`, which Node runs with its built-in test
// runner and type stripping, so the `.ts` module is imported as it is.
import assert from "node:assert/strict";
import { test } from "node:test";
import {
  currentToasts,
  dismissToast,
  showToast,
  subscribeToasts,
  toastDuration,
} from "../src/ui/toast/toasts.ts";

test("an error stays longer than the other tones", () => {
  assert.ok(toastDuration("error") > toastDuration("ok"));
  assert.equal(toastDuration("info"), toastDuration("ok"));
});

test("a toast is listed with its tone and duration, oldest first", () => {
  const a = showToast("first", "ok");
  const b = showToast("second", "error", 100);
  const list = currentToasts().filter((t) => t.id === a || t.id === b);
  assert.deepEqual(
    list.map((t) => [t.message, t.tone, t.duration]),
    [
      ["first", "ok", toastDuration("ok")],
      ["second", "error", 100],
    ],
  );
  dismissToast(a);
  dismissToast(b);
});

test("dismissing removes one toast and tells the subscribers once", () => {
  const a = showToast("keep");
  const b = showToast("drop");
  let calls = 0;
  const stop = subscribeToasts(() => calls++);
  dismissToast(b);
  dismissToast(b);
  assert.equal(calls, 1);
  assert.ok(currentToasts().some((t) => t.id === a));
  assert.ok(!currentToasts().some((t) => t.id === b));
  stop();
  dismissToast(a);
  assert.equal(calls, 1);
});