const assert = require('node:assert/strict');
const test = require('node:test');

const { buildEvent } = require('../server');

test('buildEvent maps Node requests to the existing Lambda event shape', () => {
  const event = buildEvent({
    method: 'GET',
    url: '/students?pageSize=50&afterCursor=12',
    headers: {
      host: 'api.example.test',
      'x-api-token': 'token'
    },
    socket: {
      remoteAddress: '127.0.0.1'
    }
  }, '');

  assert.equal(event.httpMethod, 'GET');
  assert.equal(event.rawPath, '/students');
  assert.equal(event.path, '/students');
  assert.deepEqual(event.queryStringParameters, {
    pageSize: '50',
    afterCursor: '12'
  });
  assert.equal(event.headers['x-api-token'], 'token');
  assert.equal(event.body, undefined);
  assert.equal(event.requestContext.http.sourceIp, '127.0.0.1');
});

test('buildEvent preserves JSON request bodies', () => {
  const body = JSON.stringify({ email: 'test@example.com' });
  const event = buildEvent({
    method: 'POST',
    url: '/auth/login',
    headers: {
      host: 'api.example.test',
      'content-type': 'application/json'
    },
    socket: {}
  }, body);

  assert.equal(event.httpMethod, 'POST');
  assert.equal(event.rawPath, '/auth/login');
  assert.equal(event.body, body);
});