package com.icome.bo;

import java.util.Date;
import java.util.List;

import com.icome.dao.*;
import com.icome.entity.*;
import com.icome.dalfactory.*;

public class AccountBO {
	
	private static final  AccountDAO  accountdao = DataAccess.createAccountDAO(); 
	
	public  boolean  save(Account transientInstance)
	{
		try
		{
			accountdao.save(transientInstance);
			return true;
			
		}catch(Exception e)
		{
			e.printStackTrace();
			return false;
		}
	}
	
	
	public boolean  delete(Account persistentInstance)
	{
		try{
			
			accountdao.delete(persistentInstance);
			return  true;
			
		}catch(Exception e)
		{
			return false;
		}
	}
	
	
	public boolean delete(String uid)
	{
		try
		{
			Account account = accountdao.findById(uid);
			return  this.delete(account);
			
		}catch(Exception e)
		{
			return false;
		}
	}
	
	/**
	 * Load the user account info by user id(uid)
	 * @param uid
	 * @return the instance of the Account if ok
	 * @return null if load failed
	 */
	public Account retrieve(String uid)
	{
		try
		{
			return accountdao.findById(uid);
		}catch(Exception e)
		{
			return null;
		}
	}
	
	/**
	 * used for the account login
	 * @param uid
	 * @param pwd
	 * @return true if login success
	 * @return false if login failed
	 */
	public  boolean login(String uid,String pwd)
	{
		try
		{
			return accountdao.login(uid, pwd);
			
		}catch(Exception e)
		{
			return false;
		}
	}
	
	 public Account findById( java.lang.String id)
	 {
		 try
		 {
			 return accountdao.findById(id);
		 }
		 catch(Exception e)
		 {
			 return null;
		 }
	 }
	
	
}