Mini-Financial-Ledger-System/BankSystem.h at main · awrya-cmd/Mini-Financial-Ledger-System · GitHub

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#ifndef BANKSYSTEM_H
#define BANKSYSTEM_H

#include <iostream>
#include <unordered_map>
#include "BankAccount.h"
using namespace std;

class BankSystem
{

    private:
        unordered_map<int, BankAccount> accounts;

    public:

        void createAccount()
        {

            int id;
            string name;

            cout << "Enter account number: ";
            cin >> id;

            if (accounts.find(id) != accounts.end())
            {
                cout << "Account already exists.\n";
                return;
            }

            cout << "Enter name: ";
            cin >> name;

            accounts[id] = BankAccount(id, name);

            cout << "Account created.\n";
        }

        void deposit()
        {

            int id;
            double amount;

            cout << "Enter account number: ";
            cin >> id;

            if (accounts.find(id) == accounts.end())
            {
                cout << "Account not found.\n";
                return;
            }

            cout << "Enter amount: ";
            cin >> amount;

            accounts[id].deposit(amount);
        }

        void withdraw()
        {

            int id;
            double amount;

            cout << "Enter account number: ";
            cin >> id;

            if (accounts.find(id) == accounts.end())
            {
                std::cout << "Account not found.\n";
                return;
            }

            cout << "Enter amount: ";
            cin >> amount;

            accounts[id].withdraw(amount);
        }

        void transfer()
        {

            int from, to;
            double amount;

            cout << "From account: ";
            cin >> from;

            cout << "To account: ";
            cin >> to;

            cout << "Amount: ";
            cin >> amount;

            if (accounts.find(from) == accounts.end() ||
                accounts.find(to) == accounts.end())
            {

                cout << "Invalid account.\n";
                return;
            }

            if (accounts[from].withdraw(amount))
            {
                accounts[to].deposit(amount);
                cout << "Transfer successful.\n";
            }
        }

        void showBalance()
        {

            int id;

            cout << "Enter account number: ";
            cin >> id;

            if (accounts.find(id) == accounts.end())
            {
                cout << "Account not found.\n";
                return;
            }

            cout << "Balance: "
                << accounts[id].getBalance()
                << std::endl;
        }

        void showHistory()
        {

            int id;

            cout << "Enter account number: ";
            cin >> id;

            if (accounts.find(id) == accounts.end())
            {
                cout << "Account not found.\n";
                return;
            }

            accounts[id].showHistory();
        }
};
#endif