import { test } from 'node:test';
import assert from 'node:assert/strict';
import { createDiscordNotifier } from '../src/discord.js';

const URL_OK = 'https://discord.com/api/webhooks/123456/geheim_TOKEN-1';

test('Ohne URL ist der Notifier aus und tut nichts', async () => {
  let called = false;
  const n = createDiscordNotifier('', { fetchImpl: async () => { called = true; } });
  assert.equal(n.enabled, false);
  await n.send('Test');
  assert.equal(called, false);
});

test('Ungültige URL wird beim Start abgelehnt, ohne die URL zu zeigen', () => {
  assert.throws(() => createDiscordNotifier('https://example.com/geheim'), (err) => {
    assert.match(err.message, /keine gültige Discord-Webhook-URL/);
    assert.ok(!err.message.includes('geheim'));
    return true;
  });
});

test('Nachricht wird als JSON an den Webhook geschickt, überlange Texte gekürzt', async () => {
  const sent = [];
  const n = createDiscordNotifier(URL_OK, {
    fetchImpl: async (url, init) => { sent.push({ url, init }); return { ok: true, status: 204 }; },
  });
  await n.send('Hallo');
  await n.send('x'.repeat(5000));
  assert.equal(sent[0].url, URL_OK);
  assert.equal(sent[0].init.method, 'POST');
  assert.equal(JSON.parse(sent[0].init.body).content, 'Hallo');
  assert.equal(JSON.parse(sent[1].init.body).content.length, 1900);
});

test('Fehler des Webhooks brechen den Ablauf nicht ab und werden protokolliert ohne URL', async () => {
  const warnings = [];
  const logger = { warn: (m) => warnings.push(m) };
  const failing = createDiscordNotifier(URL_OK, { logger, fetchImpl: async () => { throw new TypeError('fetch failed'); } });
  await failing.send('Test');
  const bad = createDiscordNotifier(URL_OK, { logger, fetchImpl: async () => ({ ok: false, status: 404 }) });
  await bad.send('Test');
  assert.equal(warnings.length, 2);
  assert.match(warnings[1], /HTTP 404/);
  assert.ok(warnings.every((w) => !w.includes('TOKEN')));
});