import test from "node:test";
import assert from "node:assert/strict";
import { describeState, displayLabel } from "../ui/popup.js";

test("a suspended state shows the end time in DD/MM/YYYY and says it retries", () => {
  const text = describeState({ state: "suspended", suspendedUntil: "2026-03-05T10:07:00Z", detail: "x" });
  assert.match(text, /^Suspended until \d{2}\/\d{2}\/2026 \d{2}:\d{2}, retrying automatically$/);
  assert.equal(describeState({ state: "suspended", suspendedUntil: "" }), "Suspended, retrying automatically");
});

test("other states show detail then last error", () => {
  assert.equal(describeState({ state: "online", detail: "ok", lastError: "e" }), "ok");
  assert.equal(describeState({ state: "backoff", detail: "", lastError: "e" }), "e");
});

test("the server label is the authority and the local label is the fallback", () => {
  assert.equal(displayLabel({ deviceLabel: "Server name" }, { label: "typed" }), "Server name");
  assert.equal(displayLabel({ deviceLabel: "" }, { label: "typed" }), "typed");
  assert.equal(displayLabel({}, { label: "typed" }), "typed");
});