BankCustomerRole

####Description Role inside of the bank that is able to open an account, deposit money, withdraw money (if enough money is available in account), and take out a loan (if they meet the requirements for opening up a loan).

####Class Signature

public class BankCustomerRole extends Role implements BankCustomer {}

####Data

BankTellerRole myTeller;
int accountNumber;
double accountBalance;
Intention intent;
CustomerState state = enteringBank;

public enum CustomerState {
    EnteringBank,
    Waiting,
    WalkingToTeller,
    TalkingToTeller,
    OpeningAccount,
    WithdrawingMoney,
    DepositingMoney,
    TakingOutLoan
    LeavingBank
};

public enum Intention {
    OpenAccount,
    WithdrawMoney,
    DepositMoney,
    TakeOutLoan
};

####Scheduler

if state == CustomerState.EnteringBank then,
    addToWaitingList();

if state == CustomerState.WalkingToTeller then,
    goToTeller();

if state == CustomerState.TalkingToTeller && (myPerson.getAccountNumber() == null || intent == Intention.OpenAccount) then,
    openBankAccount();

if state == CustomerState.TalkingToTeller && intent == Intention.WithdrawMoney then,
    withdrawMoney();

if state == CustomerState.TalkingToTeller && intent == Intention.DepositMoney then,
    depositMoney();

if state == CustomerState.TalkingToTeller && intent == Intention.TakeOutLoan then,
    takeOutLoan();

####Messages

public void msgSeeTeller(BankTellerRole teller) {
    state = CustomerState.WalkingToTeller;
    destination = teller.getLocation
}

public void msgAccountIsOpened(int actNum) {
    myPerson.setBankAccount(actNum);
}

public void msgMoneyIsDeposited(int newBalance) {
    accountBalance = newBalance;
}

public void msgMoneyIsWithdrawn(int newBalance) {
    accountBalance = newBalance;
}

public void msgLoanIsGranted(int loanAmount) {
    myPerson.setMoney(myPerson.getMoney() + loanAmount);
}

public void msgLeaveBank() {
    state = CustomerState.LeavingBank;
}

####Actions

private void addToWaitingList() {
    Bank.getGuard.msgHereToSeeTeller(this);
    state = CustomerState.Waiting;
}

private void goToTeller() {
    DoGoToTeller(xDest, yDest);
    state = CustomerState.TalkingToTeller;
}

private void openBankAccount() {
    myTeller.msgOpenAccount(this, startingBalance);
}

private void withdrawMoney() {
    myTeller.msgWithdrawMoney(accountNumber, amtNeeded);
}

private void depositMoney() {
    myTeller.msgDepositMoney(accountNumber, amtToDeposit);
}

private void takeOutLoan() {
    myTeller.msgRequestMoney(accountNumber, amtRequested);
}

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