/**
 * Application Configuration
 */

import dotenv from 'dotenv';

dotenv.config();

export const config = {
  app: {
    name: 'Trading Platform',
    version: '0.1.0',
    env: process.env.NODE_ENV || 'development',
    port: parseInt(process.env.PORT || '3000', 10),
    frontendUrl: process.env.FRONTEND_URL || 'http://localhost:5173',
    apiUrl: process.env.API_URL || 'http://localhost:3000',
  },

  cors: {
    origins: process.env.CORS_ORIGINS?.split(',') || ['http://localhost:5173'],
  },

  jwt: {
    accessSecret: process.env.JWT_ACCESS_SECRET || 'your-access-secret-change-in-production',
    refreshSecret: process.env.JWT_REFRESH_SECRET || 'your-refresh-secret-change-in-production',
    accessExpiry: process.env.JWT_ACCESS_EXPIRES || '15m',
    refreshExpiry: process.env.JWT_REFRESH_EXPIRES || '7d',
  },

  database: {
    host: process.env.DB_HOST || 'localhost',
    port: parseInt(process.env.DB_PORT || '5432', 10),
    name: process.env.DB_NAME || 'trading',
    user: process.env.DB_USER || 'postgres',
    password: process.env.DB_PASSWORD || 'postgres',
    ssl: process.env.DB_SSL === 'true',
    poolMax: parseInt(process.env.DB_POOL_MAX || '20', 10),
    idleTimeout: parseInt(process.env.DB_IDLE_TIMEOUT || '30000', 10),
    connectionTimeout: parseInt(process.env.DB_CONNECTION_TIMEOUT || '5000', 10),
  },

  redis: {
    url: process.env.REDIS_URL,
    host: process.env.REDIS_HOST || 'localhost',
    port: parseInt(process.env.REDIS_PORT || '6379', 10),
    password: process.env.REDIS_PASSWORD,
    db: parseInt(process.env.REDIS_DB || '0', 10),
  },

  stripe: {
    secretKey: process.env.STRIPE_SECRET_KEY || '',
    webhookSecret: process.env.STRIPE_WEBHOOK_SECRET || '',
    publishableKey: process.env.STRIPE_PUBLISHABLE_KEY || '',
  },

  mlEngine: {
    baseUrl: process.env.ML_ENGINE_URL || 'http://localhost:3083',
    timeout: parseInt(process.env.ML_ENGINE_TIMEOUT || '5000', 10),
  },

  rateLimit: {
    windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS || '60000', 10),
    max: parseInt(process.env.RATE_LIMIT_MAX || '100', 10),
  },

  email: {
    host: process.env.EMAIL_HOST || 'smtp.gmail.com',
    port: parseInt(process.env.EMAIL_PORT || '587', 10),
    secure: process.env.EMAIL_SECURE === 'true',
    user: process.env.EMAIL_USER || '',
    password: process.env.EMAIL_PASSWORD || '',
    from: process.env.EMAIL_FROM || 'noreply@trading.io',
  },

  twilio: {
    accountSid: process.env.TWILIO_ACCOUNT_SID || '',
    authToken: process.env.TWILIO_AUTH_TOKEN || '',
    phoneNumber: process.env.TWILIO_PHONE_NUMBER || '',
    whatsappNumber: process.env.TWILIO_WHATSAPP_NUMBER || '',
    verifyServiceSid: process.env.TWILIO_VERIFY_SERVICE_SID || '',
    useVerifyService: process.env.TWILIO_USE_VERIFY_SERVICE === 'true',
  },

  oauth: {
    google: {
      clientId: process.env.GOOGLE_CLIENT_ID || '',
      clientSecret: process.env.GOOGLE_CLIENT_SECRET || '',
      callbackUrl: process.env.GOOGLE_CALLBACK_URL || 'http://localhost:3000/api/auth/google/callback',
      scope: ['openid', 'email', 'profile'],
    },
    facebook: {
      clientId: process.env.FACEBOOK_CLIENT_ID || '',
      clientSecret: process.env.FACEBOOK_CLIENT_SECRET || '',
      callbackUrl: process.env.FACEBOOK_CALLBACK_URL || 'http://localhost:3000/api/auth/facebook/callback',
      scope: ['email', 'public_profile'],
    },
    twitter: {
      clientId: process.env.TWITTER_CLIENT_ID || '',
      clientSecret: process.env.TWITTER_CLIENT_SECRET || '',
      callbackUrl: process.env.TWITTER_CALLBACK_URL || 'http://localhost:3000/api/auth/twitter/callback',
      scope: ['users.read', 'tweet.read', 'offline.access'],
    },
    apple: {
      clientId: process.env.APPLE_CLIENT_ID || '',
      clientSecret: process.env.APPLE_CLIENT_SECRET || '',
      teamId: process.env.APPLE_TEAM_ID || '',
      keyId: process.env.APPLE_KEY_ID || '',
      privateKey: process.env.APPLE_PRIVATE_KEY || '',
      callbackUrl: process.env.APPLE_CALLBACK_URL || 'http://localhost:3000/api/auth/apple/callback',
      scope: ['name', 'email'],
    },
    github: {
      clientId: process.env.GITHUB_CLIENT_ID || '',
      clientSecret: process.env.GITHUB_CLIENT_SECRET || '',
      callbackUrl: process.env.GITHUB_CALLBACK_URL || 'http://localhost:3000/api/auth/github/callback',
      scope: ['read:user', 'user:email'],
    },
  },
};

export type Config = typeof config;