/**
 * Unit tests for the running-state status line helper (js/running-status.js).
 */

import { test, describe } from 'node:test';
import assert from 'node:assert/strict';
import { formatRunningStatus, RUNNING_STATUS_STAGES, RUNNING_STATUS_TICK_MS } from '../js/running-status.js';

describe('formatRunningStatus', () => {
  test('starts with the neutral line shown at submit time', () => {
    assert.equal(formatRunningStatus(0), 'Searching Confluence…');
    assert.equal(formatRunningStatus(19_999), 'Searching Confluence…');
  });

  test('advances through the playful stages at their boundaries', () => {
    assert.equal(formatRunningStatus(20_000), 'Rummaging through the wiki…');
    assert.equal(formatRunningStatus(59_999), 'Rummaging through the wiki…');
    assert.equal(formatRunningStatus(60_000), "Reading everything so you don't have to…");
    assert.equal(formatRunningStatus(120_000), 'Turning pages faster than a human could…');
    assert.equal(formatRunningStatus(240_000), 'Lost in Confluence, found three more tabs…');
    assert.equal(formatRunningStatus(420_000), 'Has anyone updated this page since 2019? Checking…');
    assert.equal(formatRunningStatus(660_000), 'Still at it. If time runs out, it answers with what it found…');
  });

  test('stays on the last line past the protocol deadline', () => {
    assert.equal(formatRunningStatus(900_000), RUNNING_STATUS_STAGES.at(-1).text);
    assert.equal(formatRunningStatus(3_600_000), RUNNING_STATUS_STAGES.at(-1).text);
  });

  test('treats negative, NaN and non-number input as just started', () => {
    assert.equal(formatRunningStatus(-5), 'Searching Confluence…');
    assert.equal(formatRunningStatus(NaN), 'Searching Confluence…');
    assert.equal(formatRunningStatus(undefined), 'Searching Confluence…');
  });

  test('stages are strictly increasing and start at zero', () => {
    assert.equal(RUNNING_STATUS_STAGES[0].fromMs, 0);
    for (let i = 1; i < RUNNING_STATUS_STAGES.length; i++) {
      assert.ok(RUNNING_STATUS_STAGES[i].fromMs > RUNNING_STATUS_STAGES[i - 1].fromMs);
    }
    assert.ok(RUNNING_STATUS_TICK_MS < RUNNING_STATUS_STAGES[1].fromMs, 'first change must be reachable by the ticker');
  });
});