import java.util.*; //needed for Scanner and Random class

/* This program illustrates using objects as various TYPES because they
 * implement different interfaces
*/

public class Tester{


 public static void main(String[] args) {
 	
 	//create service provider objects
 	PrintingService printingService = new PrintingService();
 	BankingService bankingService = new BankingService();
 	SortingService sortingService = new SortingService();
 	

    //create some bank account objects
    ArrayList<BankAccount> accounts = new ArrayList<BankAccount>();
    
    //make some bank accounts
    accounts.add(new BankAccount("Lou", 0.0) );
    accounts.add(new BankAccount("Susan", 0.0) );
    accounts.add(new BankAccount("Ann", 0.0) );
    accounts.add(new BankAccount("Jason", 0.0) );
   
    //do some transactions using the BankingService (which expects MoneyAccount objects)
    for(MoneyAccount aMoneyAccount : accounts)
      bankingService.doSomeTransactions(aMoneyAccount);
    
    //print each account using the PrintService (which expect Printable objects)
    for(Printable aPrintable : accounts){
    	printingService.print(aPrintable);
    }
    
    //sort the accounts by balance using the SortingService (which expects Comparable objects)
    
    //creat an actual list of Sortable objects which contains the accounts
    ArrayList<Sortable> accountsAsSortables = new ArrayList<Sortable>();
    accountsAsSortables.addAll(accounts);
    
    sortingService.sort( accountsAsSortables); //sort the list of sortables
    
    System.out.println("");
    System.out.println("The Accounts Sorted By Balance");
    System.out.println("==============================");
    
    for(Sortable s : accountsAsSortables){
    	printingService.print((Printable) s); //notice we need to cast here
    }
     	
} //end main


} //end class Tester

/*Sample output

BankAccount #10001
==================
#10001
OWNER: Lou
$280.0

BankAccount #10002
==================
#10002
OWNER: Susan
$3441.0

BankAccount #10003
==================
#10003
OWNER: Ann
$2616.0

BankAccount #10004
==================
#10004
OWNER: Jason
$-662.0

The Accounts Sorted By Balance
==============================

BankAccount #10004
==================
#10004
OWNER: Jason
$-662.0

BankAccount #10001
==================
#10001
OWNER: Lou
$280.0

BankAccount #10003
==================
#10003
OWNER: Ann
$2616.0

BankAccount #10002
==================
#10002
OWNER: Susan
$3441.0 
 */