'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');
const mongoose = require('mongoose');
const Professor = require('./professorModel');
const { formatProfessorDoc } = require('./professorService');

test('Professor Model & User Merge Tests', async (t) => {
  await t.test('Professor schema has user reference and virtual getters', () => {
    const userId = new mongoose.Types.ObjectId();
    const prof = new Professor({
      user: userId,
      bio: 'استاد ارشد هوش مصنوعی',
      expertise: ['Machine Learning', 'Python'],
      isActive: true
    });

    assert.equal(String(prof.user), String(userId));
    assert.equal(prof.bio, 'استاد ارشد هوش مصنوعی');
    assert.deepEqual(prof.expertise, ['Machine Learning', 'Python']);
    assert.equal(prof.isActive, true);
  });

  await t.test('formatProfessorDoc correctly extracts and formats linked user fields', () => {
    const userId = new mongoose.Types.ObjectId();
    const profId = new mongoose.Types.ObjectId();
    const mockDoc = {
      _id: profId,
      user: {
        _id: userId,
        name: 'علی حسینی',
        nationalIdCode: '0012345678',
        phoneNumber: '09123456789',
        email: 'ali@example.com',
        cardNumber: '6037997112345678',
        shabaNumber: 'IR120000000000000000000000',
        isActive: true
      },
      bio: 'استاد برنامه‌نویسی',
      expertise: ['Web', 'Vue'],
      courses: [],
      isActive: true
    };

    const formatted = formatProfessorDoc(mockDoc);
    assert.equal(String(formatted._id), String(profId));
    assert.equal(String(formatted.user), String(userId));
    assert.equal(formatted.name, 'علی');
    assert.equal(formatted.surname, 'حسینی');
    assert.equal(formatted.fullName, 'علی حسینی');
    assert.equal(formatted.nationalIdCode, '0012345678');
    assert.equal(formatted.phoneNumber, '09123456789');
    assert.equal(formatted.email, 'ali@example.com');
    assert.equal(formatted.cardNumber, '6037997112345678');
    assert.equal(formatted.shabaNumber, 'IR120000000000000000000000');
    assert.deepEqual(formatted.expertise, ['Web', 'Vue']);
    assert.equal(formatted.isActive, true);
  });
});