main.cpp

#include <iostream>
#include "Library.h"

using namespace std;

int main()
{
    Library library;
    library.loadBooks();
library.loadMembers();
library.loadTransactions();

    int choice;

    while (true)
    {
        cout << "\n========== LIBRARY MANAGEMENT SYSTEM ==========\n";
        cout << "1. Add Book\n";
        cout << "2. Search Book\n";
        cout << "3. Delete Book\n";
        cout << "4. Display All Books\n";
        cout << "5. Add Member\n";
        cout << "6. Search Member\n";
        cout << "7. Display All Members\n";
        cout << "8. Issue Book\n";
        cout << "9. Return Book\n";
        cout << "10. Display Transactions\n";
        cout << "11. Exit\n";

        cout << "\nEnter your choice: ";
        cin >> choice;

        switch(choice)
        {
        case 1:
         {
            int id;
            string title;
            string author;

            cout << "Enter Book ID: ";
            cin >> id;

            cin.ignore();
            cout << "Enter Title: ";
            getline(cin, title);
            cout << "Enter Author: ";
            getline(cin, author);

            Book book(id, title, author);
            library.addBook(book);
            cout << "Book added successfully.\n";
            break;
             }
        case 2:
        {
            int id;
            cout << "Enter Book ID: ";
            cin >> id;
            library.searchBook(id);
            break;
            }

        case 3:
        {  
            int id;
            cout << "Enter Book ID: ";
            cin >> id;
            library.deleteBook(id);
            break;
        }

        case 4:
        {
            library.displayAllBooks();
            break;
        }

        case 5:
{
    int id;
    string name;
    string email;

    cout << "Enter Member ID: ";
    cin >> id;

    cin.ignore();

    cout << "Enter Member Name: ";
    getline(cin, name);

    cout << "Enter Email: ";
    getline(cin, email);

    Member member(id, name, email);

    library.addMember(member);

    cout << "Member added successfully.\n";

    break;
}

        case 6:
{
    int id;

    cout << "Enter Member ID: ";
    cin >> id;

    library.searchMember(id);

    break;
}

        case 7:
{
    library.displayAllMembers();
    break;
}

        case 8:
{
    int bookId;
    int memberId;
    string issueDate;

    cout << "Enter Book ID: ";
    cin >> bookId;

    cout << "Enter Member ID: ";
    cin >> memberId;

    cin.ignore();

    cout << "Enter Issue Date: ";
    getline(cin, issueDate);

    library.issueBook(bookId, memberId, issueDate);

    break;
}

        case 9:
{
    int transactionId;

    cout << "Enter Transaction ID: ";
    cin >> transactionId;

    library.returnBook(transactionId);

    break;
}

        case 10:
{
    library.displayAllTransactions();

    break;
}

        case 11:
                cout << "Thank you for using the Library Management System!\n";
                return 0;

            default:
                cout << "Invalid Choice!\n";
        }
    }
}