import java.util.LinkedList;

public class Bank {

private LinkedList<Customer> customers = new LinkedList<Customer>();

private int numberOfCustomers;

private String bankName;

public Bank(String bName){

bankName = bName;

}

public void addCustomer(Customer c){

customers.add(c);

}

public void deleteCustomer(int index){

customers.remove(index);

}

public int getNumberOfCustomers() {

return customers.size();

}

public Customer getCustomers(int index) {

return customers.get(index);

}

public int searchCustomer(long snNumber, String expirationDate,int cvvNumber, int pinNumber){

int index = -1; //declare the index to be negative one at start

for(int i=0;i<customers.size();i++){ //Traverse through the linked list,

Customer llElement = customers.get(i);

long llcardNumber = llElement.getAccount().getSn();

String llcardED = llElement.getAccount().getEd();

int llcardCVV = llElement.getAccount().getCvv();

int llcardPIN = llElement.getAccount().getPin();

// Check whether the current element's data values matches with the one from parameter

if(llcardNumber==snNumber && llcardED.equals(expirationDate )&& llcardCVV==cvvNumber && llcardPIN==pinNumber){

index = i; //change the index's value to current index

return index;

}

}

return index;

}

public int searchTarget(long accountNumber){

int index = -1; //declare the index to be negative one at start

for(int i=0;i<customers.size();i++){ //Traverse through the linked list,

Customer llElement = customers.get(i);

long llAccountNumber = llElement.getAccountNumber();

// Check whether current element's account number is the same with parameter input's

if(llAccountNumber==accountNumber){

index = i; //change the index's value to current index

return index;

}

}

return index;

}

public boolean searchIDAvailability(String idNumber){

for(int i=0;i<customers.size();i++){

Customer llElement = customers.get(i);

String llIDNumber = llElement.getIdNumber();

if(llIDNumber.equals(idNumber)){return false;}

}

return true;

}

public boolean searchCNAvailability(long cardNumber){

for(int i=0;i<customers.size();i++){

Customer llElement = customers.get(i);

long llCardNumber = llElement.getAccount().getSn();

if(llCardNumber==cardNumber){return false;}

}

return true;

}

}