import java.awt.*;                 // Java GUI classews
import java.applet.*;
import java.awt.event.*;

// Presentation Layer
public class StockApplet extends Applet implements ActionListener {
  // buttons 
  private Button newinvestor, newacct, login, deposit, withdraw, 
          portfolio, orders, trans, quote, buy, sell, test, chgacct;
  
  // lables for fields
  private Label acctLabel, firstLabel, lastLabel, idLabel, phoneLabel, 
          passLabel, cashLabel, stockLabel, sharesLabel, priceLabel;
 
  // fields
  private TextField acctField, firstField, lastField, idField, phoneField, 
          passField, cashField, stockField, sharesField, priceField;
  
  // print to textArea
  private TextArea textArea1;
  
  // references to Domain Logic
  private AccountManagement management;
  private ReportGenerator report;
  private TradeExecution trade;
  
  public void init() {
    super.init();
    setLayout(null);
    
    //  create a label and field, place on the screen 
    idLabel = new Label("Investor ID:"); 
    idLabel.setBounds(20,10,70,30);
    add(idLabel);
    idField = new TextField(130); 
    idField.setBounds(100,10,80,30);
    add(idField);
  
    passLabel = new Label("Password:"); 
    passLabel.setBounds(210,10,70,30);
    add(passLabel);
    passField = new TextField(100); 
    passField.setEchoChar('*');
    passField.setBounds(280,10,80,30);
    add(passField);
   
    acctLabel = new Label("Account#:"); 
    acctLabel.setBounds(380,10,70,40);
    add(acctLabel);
    acctField = new TextField(50); 
    acctField.setBounds(460,10,80,30);
    add(acctField);
  
    firstLabel = new Label("First:"); 
    firstLabel.setBounds(20,50,63,30);
    add(firstLabel);
    firstField = new TextField(150); 
    firstField.setBounds(100,50,80,30);
    add(firstField);
  
    lastLabel = new Label("Last:"); 
    lastLabel.setBounds(210,50,63,30);
    add(lastLabel);
    lastField = new TextField(150); 
    lastField.setBounds(280,50,80,30);
    add(lastField);
  
  
    phoneLabel = new Label("Phone:"); 
    phoneLabel.setBounds(380,50,45,30);
    add(phoneLabel);
    phoneField = new TextField(130); 
    phoneField.setBounds(460,50,130,30);
    add(phoneField);
  
    cashLabel = new Label("Cash:"); 
    cashLabel.setBounds(20,110,63,30);
    add(cashLabel);
    cashField = new TextField(150); 
    cashField.setBounds(100,110,80,30);
    add(cashField);
  
    stockLabel = new Label("Stock:"); 
    stockLabel.setBounds(20,160,50,30);
    add(stockLabel);
    stockField = new TextField(80); 
    stockField.setBounds(100,160,80,30);
    add(stockField);
 
    sharesLabel = new Label("Shares:"); 
    sharesLabel.setBounds(210,160,50,30);
    add(sharesLabel);
    sharesField = new TextField(80); 
    sharesField.setBounds(280,160,80,30);
    add(sharesField);
 
    priceLabel = new Label("Price:"); 
    priceLabel.setBounds(380,160,50,30);
    add(priceLabel);
    priceField = new TextField(80); 
    priceField.setBounds(460,160,80,30);
    add(priceField);
 
    // create a TextArea for printing
    textArea1 = new TextArea();
    textArea1.setBounds(20,270,580,350);
    Font font = new Font("Courier",Font.PLAIN,20);
    textArea1.setFont(font);
    add(textArea1);
    
    // create a button, place on the screen, applet "listens" for button push
    login = new Button("Login");
    login.setBounds(20,210,60,25);
    add(login);
    login.addActionListener(this);
 
    chgacct = new Button("Chg Acct");
    chgacct.setBounds(20,240,60,25);
    add(chgacct);
    chgacct.addActionListener(this);
 
    newinvestor = new Button("New Investor");
    newinvestor.setBounds(90,210,100,25);  
    add(newinvestor);
    newinvestor.addActionListener(this);
  
    newacct = new Button("New Account");
    newacct.setBounds(90,240,100,25);
    add(newacct);
    newacct.addActionListener(this);
  
    deposit = new Button("Deposit");
    deposit.setBounds(200,210,70,25);
    add(deposit);
    deposit.addActionListener(this);

    withdraw = new Button("Withdraw");
    withdraw.setBounds(200,240,70,25);
    add(withdraw);
    withdraw.addActionListener(this);
    
    buy = new Button("Buy");
    buy.setBounds(280,210,50,25);
    add(buy);
    buy.addActionListener(this);
  
    sell = new Button("Sell");
    sell.setBounds(280,240,50,25);
    add(sell);
    sell.addActionListener(this);
    
    orders = new Button("Pending Orders");
    orders.setBounds(340,210,110,25);
    add(orders);
    orders.addActionListener(this);
    
    trans = new Button("Transactions");
    trans.setBounds(340,240,110,25);
    add(trans);
    trans.addActionListener(this);
    
    quote = new Button("Quote");
    quote.setBounds(460,210,70,25);
    add(quote);
    quote.addActionListener(this);
  
    portfolio = new Button("Portfolio");
    portfolio.setBounds(460,240,70,25);
    add(portfolio);
    portfolio.addActionListener(this);
  
    test = new Button("Test");
    test.setBounds(540,240,50,25);
    add(test);
    test.addActionListener(this);

    // pre-populate some Domain Objects
    new StockInit();
    
    // create the Domain Logic classes
    // hand over textArea1 so class can print to it (in this case, same TextArea)
    management = new AccountManagement(textArea1);
    report     = new ReportGenerator(textArea1);
    trade      = new TradeExecution(textArea1);
  }
  // called by actionPerformed whenever a button is pushed
  // also called by StockTest to do Automated Test 
  public void doAction(String arg) {
    
    // depending on the button, call the appropriate method in Domain Logic 
    if (arg.equals("Login"))
      management.doLogin(idField.getText(),passField.getText(),acctField,firstField,
                  lastField,phoneField);
    if (arg.equals("Chg Acct"))
      management.doChgAcct(acctField.getText());
    if (arg.equals("New Investor")) 
      management.doNewInvestor(idField.getText(), passField.getText(), firstField.getText(), 
                        lastField.getText(),phoneField.getText(),acctField);
    if (arg.equals("New Account"))
      management.doNewAccount(acctField);
    if (arg.equals("Deposit"))
      management.doCash("DEPOSIT",cashField.getText());
    if (arg.equals("Withdraw"))
      management.doCash("WITHDRAW",cashField.getText());
    if (arg.equals("Portfolio"))
      report.doPortfolio();
    if (arg.equals("Pending Orders"))
      report.showOrders();
    if (arg.equals("Transactions"))
      report.showTrans();
    if (arg.equals("Quote"))
      report.showQuote(stockField.getText());
    if (arg.equals("Buy")) 
      trade.doOrder("BUY",stockField.getText(),sharesField.getText(),priceField.getText());
    if (arg.equals("Sell"))
      trade.doOrder("SELL",stockField.getText(),sharesField.getText(),priceField.getText());
    if (arg.equals("Test"))
      new StockTest (this,textArea1,acctField,firstField,lastField,idField,phoneField,
                     passField,cashField,stockField, sharesField, priceField);
  }
  // called by the window manager whenever a button is pushed
  public void actionPerformed(ActionEvent event) {
    String arg = event.getActionCommand();
    doAction(arg);
  } 
} // class StockApplet