setup-env.js

#!/usr/bin/env node

/**
 * Sphira Environment Setup Script
 * This script helps you set up your environment variables for development
 */

const fs = require('fs');
const path = require('path');
const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

console.log('🚀 Welcome to Sphira Environment Setup!');
console.log('This script will help you configure your .env.local file\n');

const questions = [
  {
    key: 'PRIVATE_KEY',
    question: 'Enter your private key (without 0x prefix) [OPTIONAL for UI testing]: ',
    default: 'your_private_key_here'
  },
  {
    key: 'NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID',
    question: 'Enter your WalletConnect Project ID (get from https://cloud.walletconnect.com/) [OPTIONAL]: ',
    default: 'placeholder_project_id'
  },
  {
    key: 'SOMNIA_API_KEY',
    question: 'Enter your Somnia API Key [OPTIONAL]: ',
    default: 'your_api_key_here'
  }
];

const envConfig = {
  // Blockchain Configuration
  'SOMNIA_TESTNET_RPC_URL': 'https://testnet-rpc.somnia.network',
  'SOMNIA_MAINNET_RPC_URL': 'https://mainnet-rpc.somnia.network',
  
  // Application Configuration
  'NEXT_PUBLIC_API_URL': 'http://localhost:3000/api',
  'NEXT_PUBLIC_APP_URL': 'http://localhost:3000',
  'NEXT_PUBLIC_CHAIN_ID': '2648',
  'NEXT_PUBLIC_CHAIN_NAME': 'Somnia Testnet',
  'NEXT_PUBLIC_CHAIN_SYMBOL': 'SOM',
  'NEXT_PUBLIC_CHAIN_DECIMALS': '18',
  
  // Development Settings
  'NODE_ENV': 'development',
  'NEXT_PUBLIC_ENABLE_TESTNET': 'true',
  'NEXT_PUBLIC_ENABLE_MOCK_DATA': 'true',
  'NEXT_PUBLIC_ENABLE_ANALYTICS': 'false',
  'REPORT_GAS': 'true',
  'LOG_LEVEL': 'info',
  'DEBUG': 'false',
  
  // Feature Flags
  'NEXT_PUBLIC_ENABLE_CHAT': 'true',
  'NEXT_PUBLIC_ENABLE_EMERGENCY_VAULT': 'true',
  'NEXT_PUBLIC_ENABLE_YIELD_FARMING': 'true',
  'NEXT_PUBLIC_ENABLE_NOTIFICATIONS': 'true',
  
  // Security
  'JWT_SECRET': 'development_jwt_secret_change_in_production',
  'NEXTAUTH_URL': 'http://localhost:3000',
  'NEXTAUTH_SECRET': 'development_nextauth_secret'
};

async function askQuestion(question, defaultValue) {
  return new Promise((resolve) => {
    rl.question(question, (answer) => {
      resolve(answer.trim() || defaultValue);
    });
  });
}

async function setupEnvironment() {
  console.log('📝 Setting up your environment variables...\n');
  
  // Ask user questions
  for (const q of questions) {
    const answer = await askQuestion(q.question, q.default);
    envConfig[q.key] = answer;
  }
  
  // Generate .env.local content
  let envContent = '# Sphira DeFi Platform - Local Environment Configuration\n';
  envContent += '# Generated by setup-env.js script\n';
  envContent += `# Created on: ${new Date().toISOString()}\n\n`;
  
  envContent += '# =============================================================================\n';
  envContent += '# BLOCKCHAIN NETWORK CONFIGURATION\n';
  envContent += '# =============================================================================\n\n';
  
  for (const [key, value] of Object.entries(envConfig)) {
    envContent += `${key}=${value}\n`;
  }
  
  // Write to .env.local
  const envPath = path.join(__dirname, '.env.local');
  
  try {
    fs.writeFileSync(envPath, envContent);
    console.log('\n✅ Environment file created successfully!');
    console.log(`📁 File location: ${envPath}`);
    console.log('\n🎯 Next steps:');
    console.log('1. Review your .env.local file');
    console.log('2. Update any placeholder values with real API keys');
    console.log('3. Run: npm run dev');
    console.log('\n🔒 Security Note: Never commit .env.local to git!');
  } catch (error) {
    console.error('❌ Error creating environment file:', error.message);
  }
  
  rl.close();
}

// Check if .env.local already exists
const envPath = path.join(__dirname, '.env.local');
if (fs.existsSync(envPath)) {
  rl.question('⚠️  .env.local already exists. Overwrite? (y/N): ', (answer) => {
    if (answer.toLowerCase() === 'y' || answer.toLowerCase() === 'yes') {
      setupEnvironment();
    } else {
      console.log('👍 Keeping existing .env.local file');
      rl.close();
    }
  });
} else {
  setupEnvironment();
}