// TODO: Database Integration & Persistence
// - Implement database schema design
// - Add database connection pooling
// - Implement data migration strategy
// - Add database backup and recovery plans
// - Implement data validation layer
// - Add transaction logging
// - Implement audit trail
// - Add data archival strategy

import type { Account, Transaction } from '../types';

// TODO: Replace in-memory store with persistent database
// - Implement database connection and configuration
// - Create database schema for accounts and transactions
// - Add migration system for schema changes
// - Update all CRUD operations to use database instead of arrays

// Temporary in-memory store for development
export const accounts: Account[] = [
  {
    id: '1',
    name: 'Checking Account',
    last4: '4321',
    balance: 2500.0,
  },
  {
    id: '2',
    name: 'Savings Account',
    last4: '8765',
    balance: 10000.0,
  },
];

export const transactions: Transaction[] = [
  {
    id: '1',
    accountId: '1',
    date: '2025-04-20',
    description: 'Grocery Store',
    amount: -75.5,
  },
  {
    id: '2',
    accountId: '1',
    date: '2025-04-21',
    description: 'Salary Deposit',
    amount: 3000.0,
  },
  {
    id: '3',
    accountId: '2',
    date: '2025-04-22',
    description: 'Transfer to Savings',
    amount: 500.0,
  },
];