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 { parseProfilePage } = require('../parsers.js');

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

test('parseProfilePage extracts header fields', () => {
  const p = parseProfilePage(profileFixture);
  assert.strictEqual(p.fullName, 'ADRIAN ALFRED CHIONG BONPIN');
  assert.strictEqual(p.studentId, '22103625');
  assert.strictEqual(p.yearLevel, '4');
  assert.strictEqual(p.studentType, 'CONTINUING');
  assert.strictEqual(p.program, 'BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY');
  assert.strictEqual(p.semester, '1ST Semester 2026');
});

test('parseProfilePage matches bold class token with single quotes and extra classes', () => {
  const html = `
    <h3><b>BACHELOR OF SCIENCE</b></h3>
    <table>
      <tr><td>Full Name</td><td class='bold text-right'>JOHN DOE</td></tr>
      <tr><td>Student Type</td><td class="bold">CONTINUING</td></tr>
    </table>
  `;
  const p = parseProfilePage(html);
  assert.strictEqual(p.fullName, 'JOHN DOE');
  assert.strictEqual(p.studentType, 'CONTINUING');
  assert.strictEqual(p.program, 'BACHELOR OF SCIENCE');
});

test('parseProfilePage degrades gracefully on empty input', () => {
  const p = parseProfilePage('');
  assert.deepStrictEqual(p, {});
});