import assert from 'node:assert/strict';
import test from 'node:test';
import { programmeForPathname, programmeSwitchTargets, sidebarForPathname } from '../src/config/programme-navigation.mjs';

test('programme routes select the matching sidebar while retaining global groups', () => {
  assert.equal(programmeForPathname('/computer-science/year-1/'), 'computer-science');
  assert.equal(programmeForPathname('/data-science-and-ai/year-2/'), 'data-science-and-ai');
  assert.equal(programmeForPathname('/useful-information/'), null);
  for (const path of ['/computer-science/', '/data-science-and-ai/', '/useful-information/']) {
    const text = JSON.stringify(sidebarForPathname(path));
    assert.match(text, /Useful Information/);
    assert.match(text, /Master AI/);
    assert.match(text, /previous-exams-and-documents/);
  }
});

test('shared course switches to its paired programme route', () => {
  const targets = programmeSwitchTargets('/computer-science/year-1/period-2/calculus/');
  assert.equal(targets.dataScience, '/data-science-and-ai/year-1/block-2/calculus/');
  assert.equal(targets.computerScience, '/computer-science/year-1/period-2/calculus/');
});