/**
 * Database utility for Prisma client
 * 
 * Provides a global Prisma instance to avoid connection issues
 */

const { PrismaClient } = require('@prisma/client');

// Global Prisma instance
let prisma = null;

/**
 * Get the global Prisma database instance
 */
async function getDB() {
  if (!prisma) {
    prisma = new PrismaClient();
    
    // Test the connection
    try {
      await prisma.$connect();
      console.log('✅ Database connection established');
    } catch (error) {
      console.error('❌ Database connection failed:', error.message);
      throw error;
    }
  }
  
  return prisma;
}

/**
 * Close the database connection
 */
async function closeDB() {
  if (prisma) {
    await prisma.$disconnect();
    prisma = null;
    console.log('✅ Database connection closed');
  }
}

module.exports = {
  getDB,
  closeDB
};