/**
 * Check Database Connection Configuration
 * Shows which database the application will connect to
 * 
 * Usage: node scripts/checkDbConnection.js
 */

import dotenv from 'dotenv';
import { testConnection } from '../src/db.js';

dotenv.config();

console.log('🔍 Database Connection Configuration Check\n');
console.log('='.repeat(50));

console.log('\n📋 Environment Variables:');
console.log('   USE_LOCAL_DB:', process.env.USE_LOCAL_DB || '❌ not set');
console.log('   LOCAL_DB_HOST:', process.env.LOCAL_DB_HOST || '❌ not set (will default to: 100.121.163.23)');
console.log('   LOCAL_DB_PORT:', process.env.LOCAL_DB_PORT || '❌ not set (will default to: 5432)');
console.log('   LOCAL_DB_USER:', process.env.LOCAL_DB_USER || '❌ not set (will default to: postgres)');
console.log('   LOCAL_DB_NAME:', process.env.LOCAL_DB_NAME || '❌ not set (will default to: institutional_trader)');
console.log('   LOCAL_DB_PASSWORD:', process.env.LOCAL_DB_PASSWORD ? '✅ set' : '❌ not set');
console.log('   DATABASE_URL:', process.env.DATABASE_URL ? '✅ set (masked)' : '❌ not set');

console.log('\n🔌 Actual Connection Details:');
const actualHost = process.env.LOCAL_DB_HOST || '100.121.163.23';
const actualPort = process.env.LOCAL_DB_PORT || '5432';
const actualUser = process.env.LOCAL_DB_USER || 'postgres';
const actualDb = process.env.LOCAL_DB_NAME || 'institutional_trader';

console.log(`   Host: ${actualHost}`);
console.log(`   Port: ${actualPort}`);
console.log(`   User: ${actualUser}`);
console.log(`   Database: ${actualDb}`);

if (actualHost === 'localhost' || actualHost === '127.0.0.1') {
  console.log('\n⚠️  WARNING: You are connecting to localhost!');
  console.log('   If you want to use the remote database at 100.121.163.23,');
  console.log('   either:');
  console.log('   1. Remove LOCAL_DB_HOST from your .env file, OR');
  console.log('   2. Set LOCAL_DB_HOST=100.121.163.23 in your .env file');
} else if (actualHost === '100.121.163.23') {
  console.log('\n✅ Correct: Connecting to remote database at 100.121.163.23');
} else {
  console.log(`\n📌 Connecting to: ${actualHost}`);
}

console.log('\n🧪 Testing connection...');
testConnection()
  .then(connected => {
    if (connected) {
      console.log('\n✅ Connection test successful!');
      console.log(`   Data will be saved to: ${actualHost}:${actualPort}/${actualDb}`);
    } else {
      console.log('\n❌ Connection test failed!');
      console.log('   Please check your database credentials and network connectivity.');
    }
    process.exit(connected ? 0 : 1);
  })
  .catch(error => {
    console.error('\n❌ Error testing connection:', error.message);
    process.exit(1);
  });