'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');
const { buildXmltv, xmlEscape, xmltvDate } = require('../src/epg');

function event(key, title, startIso, endIso, league = 'Jupiler Pro League') {
  return {
    key,
    title,
    league,
    language: 'nl',
    startAt: new Date(startIso),
    endAt: new Date(endIso),
    sources: [],
  };
}

test('builds XMLTV with channels and projected programmes', () => {
  const a = event('a', 'Standard de Liège - SK Beveren', '2026-11-06T18:25:00Z', '2026-11-06T20:55:00Z');
  const b = event('b', 'Anderlecht & Genk', '2026-11-06T20:55:00Z', '2026-11-06T23:25:00Z');
  const c = event('c', 'Club Brugge - Antwerp', '2026-11-06T20:55:00Z', '2026-11-06T23:25:00Z');
  const state = {
    slots: [{ eventKey: 'a' }, { eventKey: null }, { eventKey: null }],
    events: new Map([['a', a]]),
    upcoming: [a, b, c],
  };
  const scheduler = { state, getSlotCount: () => 3 };

  const xml = buildXmltv(scheduler, Date.parse('2026-11-06T19:00:00Z'));

  assert.ok(xml.startsWith('<?xml version="1.0" encoding="UTF-8"?>'));
  assert.ok(xml.includes('<channel id="jupiler-1">'));
  assert.ok(xml.includes('<channel id="jupiler-3">'));
  assert.ok(xml.includes('start="20261106182500 +0000"'));
  assert.ok(xml.includes('stop="20261106205500 +0000"'));
  assert.ok(xml.includes('channel="jupiler-1"'));
  assert.ok(xml.includes('Standard de Li&#232;ge') === false);
  assert.ok(xml.includes('Standard de Liège - SK Beveren'));
  assert.ok(xml.includes('Anderlecht &amp; Genk'));
  assert.ok(xml.includes('Club Brugge - Antwerp'));
});

test('escapes XML and formats UTC dates', () => {
  assert.equal(xmlEscape('a & <b> "c" \'d\''), 'a &amp; &lt;b&gt; &quot;c&quot; &apos;d&apos;');
  assert.equal(xmltvDate(new Date('2026-11-06T18:25:00Z')), '20261106182500 +0000');
});