package library.loans;

import java.util.ArrayList;
import java.util.List;

public class LoanManager {
    private List<Loan> loans;

    public LoanManager() {
        loans = new ArrayList<>();
    }

    public void issueBook(String loanId, String memberId, String bookIsbn, String loanDate) {
        Loan loan = new Loan(loanId, memberId, bookIsbn, loanDate, null);
        loans.add(loan);
    }

    public void returnBook(String loanId, String returnDate) {
        for (Loan loan : loans) {
            if (loan.getLoanId().equals(loanId)) {
                loan.setReturnDate(returnDate);
                break;
            }
        }
    }

    public void displayAllActiveLoans() {
        for (Loan loan : loans) {
            if (loan.getReturnDate() == null) {
                System.out.println(loan);
            }
        }
    }
}