import assert from 'node:assert/strict';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import test from 'node:test';

import { loadConfig } from './config.ts';

function createTempProjectRoot(prefix: string) {
  return fs.mkdtempSync(path.join(os.tmpdir(), prefix));
}

test('development config auto-enables aliyun sms auth when local credentials are provided', () => {
  const projectRoot = createTempProjectRoot('genarrative-config-dev-');
  fs.writeFileSync(
    path.join(projectRoot, '.env.example'),
    'SMS_AUTH_ENABLED=\"false\"\nSMS_AUTH_PROVIDER=\"aliyun\"\n',
    'utf8',
  );
  fs.writeFileSync(
    path.join(projectRoot, '.env.local'),
    'ALIYUN_SMS_ACCESS_KEY_ID=\"test-ak\"\nALIYUN_SMS_ACCESS_KEY_SECRET=\"test-sk\"\n',
    'utf8',
  );

  const config = loadConfig({
    projectRoot,
    env: {
      NODE_ENV: 'development',
    },
  });

  assert.equal(config.smsAuth.enabled, true);
  assert.equal(config.smsAuth.provider, 'aliyun');
  assert.equal(config.smsAuth.accessKeyId, 'test-ak');
  assert.equal(config.smsAuth.accessKeySecret, 'test-sk');
});

test('development config respects explicit local sms auth overrides', () => {
  const projectRoot = createTempProjectRoot('genarrative-config-local-');
  fs.writeFileSync(
    path.join(projectRoot, '.env.example'),
    'SMS_AUTH_ENABLED=\"false\"\nSMS_AUTH_PROVIDER=\"aliyun\"\n',
    'utf8',
  );
  fs.writeFileSync(
    path.join(projectRoot, '.env.local'),
    'SMS_AUTH_ENABLED=\"false\"\nSMS_AUTH_PROVIDER=\"aliyun\"\nALIYUN_SMS_ACCESS_KEY_ID=\"test-ak\"\nALIYUN_SMS_ACCESS_KEY_SECRET=\"test-sk\"\n',
    'utf8',
  );

  const config = loadConfig({
    projectRoot,
    env: {
      NODE_ENV: 'development',
    },
  });

  assert.equal(config.smsAuth.enabled, false);
  assert.equal(config.smsAuth.provider, 'aliyun');
});