/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.shiro.samples.aspectj.bank;
  
  
  import org.apache.commons.lang3.builder.ToStringBuilder;
  import org.apache.commons.lang3.builder.ToStringStyle;
  
  import java.sql.Timestamp;
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.List;
  
  public class Account {
  
      private static long _SEQUENCE;
  
      private long _id;
  
      private String _ownerName;
  
      private volatile boolean _isActive;
  
      private double _balance;
  
      private final List<AccountTransaction> _transactions;
  
      private String _createdBy;
  
      private Date _creationDate;
  
      public Account(String anOwnerName) {
          _id = ++_SEQUENCE;
          _ownerName = anOwnerName;
          _isActive = true;
          _balance = 0.0d;
          _transactions = new ArrayList<AccountTransaction>();
          _createdBy = "unknown";
          _creationDate = new Date();
      }
  
      /**
       * Returns the id attribute.
       *
       * @return The id value.
       */
      public long getId() {
          return _id;
      }
  
      /**
       * Returns the ownerName attribute.
       *
       * @return The ownerName value.
       */
      public String getOwnerName() {
          return _ownerName;
      }
  
      /**
       * Returns the isActive attribute.
       *
       * @return The isActive value.
       */
      public boolean isActive() {
          return _isActive;
      }
  
      /**
       * Changes the value of the attributes isActive.
       *
       * @param aIsActive The new value of the isActive attribute.
       */
      public void setActive(boolean aIsActive) {
          _isActive = aIsActive;
      }
  
      /**
       * Changes the value of the attributes ownerName.
       *
       * @param aOwnerName The new value of the ownerName attribute.
       */
      public void setOwnerName(String aOwnerName) {
         _ownerName = aOwnerName;
     }
 
     /**
      * Returns the balance attribute.
      *
      * @return The balance value.
      */
     public double getBalance() {
         return _balance;
     }
 
     /**
      * Returns the transactions attribute.
      *
      * @return The transactions value.
      */
     public List<AccountTransaction> getTransactions() {
         return _transactions;
     }
 
     protected void applyTransaction(AccountTransaction aTransaction) throws NotEnoughFundsException, InactiveAccountException {
         if (!_isActive) {
             throw new InactiveAccountException("Unable to apply " + aTransaction.getType() + " of amount " + aTransaction.getAmount() + " to account " + _id);
         }
 
         synchronized (_transactions) {
             if (AccountTransaction.TransactionType.DEPOSIT == aTransaction.getType()) {
                 _transactions.add(aTransaction);
                 _balance += aTransaction.getAmount();
 
             } else if (AccountTransaction.TransactionType.WITHDRAWAL == aTransaction.getType()) {
                 if (_balance < aTransaction.getAmount()) {
                     throw new NotEnoughFundsException("Unable to withdraw " + aTransaction.getAmount() + "$ from account " + _id + " - current balance is " + _balance);
                 }
                 _transactions.add(aTransaction);
                 _balance -= aTransaction.getAmount();
 
             } else {
                 throw new IllegalArgumentException("The transaction passed in has an invalid type: " + aTransaction.getType());
             }
         }
     }
 
     /**
      * Changes the value of the attributes createdBy.
      *
      * @param aCreatedBy The new value of the createdBy attribute.
      */
     protected void setCreatedBy(String aCreatedBy) {
         _createdBy = aCreatedBy;
     }
 
     /**
      * Returns the createdBy attribute.
      *
      * @return The createdBy value.
      */
     public String getCreatedBy() {
         return _createdBy;
     }
 
     /**
      * Returns the creationDate attribute.
      *
      * @return The creationDate value.
      */
     public Date getCreationDate() {
         return _creationDate;
     }
 
     /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
 
     public String toString() {
         return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).
                 append("id", _id).
                 append("ownerName", _ownerName).
                 append("isActive", _isActive).
                 append("balance", _balance).
                 append("tx.count", _transactions.size()).
                 append("createdBy", _createdBy).
                 append("creationDate", new Timestamp(_creationDate.getTime())).
                 toString();
     }
 }