const { test } = require('node:test');
const assert = require('node:assert');
const fs = require('node:fs');
const path = require('node:path');
const { parseStudyLoadTable } = require('../parsers.js');

const fixture = fs.readFileSync(path.join(__dirname, 'fixtures', 'study-load-table.html'), 'utf8');

test('parseStudyLoadTable extracts all course rows', () => {
  const rows = parseStudyLoadTable(fixture);
  assert.strictEqual(rows.length, 5);
});

test('parseStudyLoadTable maps columns correctly', () => {
  const rows = parseStudyLoadTable(fixture);
  const first = rows[0];
  assert.strictEqual(first.group, '1');
  assert.strictEqual(first.courseCode, 'CS 5105');
  assert.strictEqual(first.units, '3.00');
  assert.strictEqual(first.status, 'DISSOLVED');
  assert.ok(first.schedule.includes('F 01:30 PM'));
});

test('parseStudyLoadTable handles empty faculty', () => {
  const rows = parseStudyLoadTable(fixture);
  const it4102 = rows.find(r => r.courseCode === 'IT 4102N');
  assert.strictEqual(it4102.faculty, '');
});