const os = require('os');
const path = require('path');

require('dotenv').config({ path: path.resolve(__dirname, '../.env') });

const { validateEnv } = require('./utils/env-validation');
validateEnv();

const config = {
  gcloud: {
    bucket: 'fldemo-files',
    hash: 'afeefb9d49f5b7977577876b99532ac7',
  },
  s3: {
    bucket: process.env.AWS_S3_BUCKET || '',
    region: process.env.AWS_S3_REGION || 'us-east-1',
    accessKeyId: process.env.AWS_ACCESS_KEY_ID || '',
    secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY || '',
    prefix: process.env.AWS_S3_PREFIX || 'afeefb9d49f5b7977577876b99532ac7',
    // Timeout configuration (in milliseconds)
    connectionTimeout:
      parseInt(process.env.AWS_S3_CONNECTION_TIMEOUT, 10) || 5000,
    requestTimeout: parseInt(process.env.AWS_S3_REQUEST_TIMEOUT, 10) || 30000,
    // Retry configuration
    maxAttempts: parseInt(process.env.AWS_S3_MAX_ATTEMPTS, 10) || 3,
    // Connection pool configuration
    maxSockets: parseInt(process.env.AWS_S3_MAX_SOCKETS, 10) || 50,
    keepAlive: process.env.AWS_S3_KEEP_ALIVE !== 'false',
    // Presigned URL expiry (in seconds)
    presignExpirySeconds:
      parseInt(process.env.AWS_S3_PRESIGN_EXPIRY, 10) || 3600,
  },
  bcrypt: {
    saltRounds: 12,
  },
  admin_pass: process.env.ADMIN_PASS || '88dbeaf8',
  user_pass: process.env.USER_PASS || 'c3baadeda5c6',
  admin_email: process.env.ADMIN_EMAIL || 'admin@flatlogic.com',
  providers: {
    LOCAL: 'local',
    GOOGLE: 'google',
    MICROSOFT: 'microsoft',
  },
  secret_key: process.env.SECRET_KEY || '88dbeaf8-e906-405e-9e41-c3baadeda5c6',
  remote: '',
  port: process.env.NODE_ENV === 'production' ? '' : '8080',
  hostUI: process.env.NODE_ENV === 'production' ? '' : 'http://localhost',
  portUI: process.env.NODE_ENV === 'production' ? '' : '3000',

  portUIProd: process.env.NODE_ENV === 'production' ? '' : ':3000',

  swaggerUI: process.env.NODE_ENV === 'production' ? '' : 'http://localhost',
  swaggerPort: process.env.NODE_ENV === 'production' ? '' : ':8080',
  google: {
    clientId: process.env.GOOGLE_CLIENT_ID || '',
    clientSecret: process.env.GOOGLE_CLIENT_SECRET || '',
  },
  microsoft: {
    clientId: process.env.MS_CLIENT_ID || '',
    clientSecret: process.env.MS_CLIENT_SECRET || '',
  },
  uploadDir: os.tmpdir(),
  email: {
    from: 'Tour Builder Platform <app@flatlogic.app>',
    host: 'email-smtp.us-east-1.amazonaws.com',
    port: 587,
    auth: {
      user: process.env.EMAIL_USER || '',
      pass: process.env.EMAIL_PASS,
    },
    tls: {
      rejectUnauthorized: process.env.EMAIL_TLS_REJECT_UNAUTHORIZED !== 'false',
    },
  },
  roles: {
    admin: 'Administrator',

    user: 'Analytics Viewer',
  },

  project_uuid: '88dbeaf8-e906-405e-9e41-c3baadeda5c6',
  flHost:
    process.env.NODE_ENV === 'production' ||
    process.env.NODE_ENV === 'dev_stage'
      ? 'https://flatlogic.com/projects'
      : 'http://localhost:3000/projects',

  gpt_key: process.env.GPT_KEY || '',
};

config.host =
  process.env.NODE_ENV === 'production' ? config.remote : 'http://localhost';
config.apiUrl = `${config.host}${config.port ? `:${config.port}` : ``}/api`;
config.swaggerUrl = `${config.swaggerUI}${config.swaggerPort}`;
config.uiUrl = `${config.hostUI}${config.portUI ? `:${config.portUI}` : ``}/#`;
config.backUrl = `${config.hostUI}${config.portUI ? `:${config.portUI}` : ``}`;

module.exports = config;