import java.awt.*;
import java.applet.*;

public class AccountManagement extends DomainLogic { // inherits from DomainLogic
  public AccountManagement(TextArea textArea1) {
    super(textArea1);
  }
  public void doChgAcct(String acct) {           // change to a different account
    if (investor==null) 
      textArea1.append("Must login first.\n");
    else {
      int acctno = toInt(acct);
      account = null;
      // iterate through the list of this investor's accounts
      for (int i=0; i<investor.accounts.size(); i++) {  
        Account acct1 = (Account)(investor.accounts.elementAt(i));
        if (acct1.ACCOUNT_NO == acctno) {
          account = acct1; 
          textArea1.append("Change Account: " + acctno +"\n");
          return;
        }
      }
      textArea1.append("No Account #: " + acctno +"\n");
    }
  }
  public void doNewAccount(TextField acctField) {  // generate a new account
    if (investor==null) 
      textArea1.append("Must login first.\n");
    else {
      account = new Account(investor,0.0);
      acctField.setText(account.ACCOUNT_NO+"");
      textArea1.append("New Account #: " + account.ACCOUNT_NO+"\n");
    }
  }
  public void doNewInvestor(String id, String password, String first, // generate new investor 
                            String last, String phone, TextField acctField) {
    investor = null;
    if (id.equals("") || password.equals("") || first.equals("") || 
        last.equals("") || phone.equals("")) 
      textArea1.append("Must provide Investor ID, Password, First, Last, Phone.\n");
    else 
      if ((Investor)Investor.investors.get(id) != null) 
        textArea1.append("Investor ID already exists: "+id+"\n");
      else {
        investor = new Investor(id, password, first, last, phone);
        textArea1.append("New Investor Complete.\n");
        account = new Account(investor,0.0);
        textArea1.append("New account number: "+account.ACCOUNT_NO+"\n");
        acctField.setText(account.ACCOUNT_NO+" ");
      }
  }
  public void doLogin(String id, String passGiven, TextField acctField, // validate a login
                      TextField firstField, TextField lastField, TextField phoneField) {
    investor = null;
    account = null;
    if ((id.equals("")) || (passGiven.equals(""))) 
      textArea1.append("Must enter Investor ID and Password.\n");
    else {
      investor = (Investor) Investor.investors.get(id);  
      if (investor == null) 
        textArea1.append("No such Investor ID: "+id+"\n");
      else
        if (!investor.PASSWORD.equals(passGiven)) 
          textArea1.append("Incorrect password.\n");
        else {  
          if (investor.accounts.size() > 0) {
            account = (Account)investor.accounts.elementAt(0);
            acctField.setText(account.ACCOUNT_NO+"");
          } 
          else 
            textArea1.append("No open accounts for: "+id+"\n"); 
          firstField.setText(investor.FIRST);
          lastField.setText(investor.LAST);
          phoneField.setText(investor.PHONE);
          textArea1.append("Investor Login: "+id+"\n");
        }
    }
  }
  public void doCash(String type, String amount) {   // DEPOSIT or WITHDRAW cash
    if (chkLogin() )
      if (amount.equals("")) 
        textArea1.append("Empty Cash field.\n"); 
      else {
        double dollars = toDouble(amount);
        if (type.equals("DEPOSIT"))
          account.CASH = account.CASH + dollars;
        else
          account.CASH = account.CASH - dollars;
        Stock cash = (Stock) Stock.stocks.get("CASH");
        new Transaction(account,cash,type,dollars,1);
        textArea1.append(type+ " completed.\n");
      }
  }
} // class AccountManagement