/*
    * Created on Jun 20, 2006
    *
    */
   package org.musicontroller.security;
   
   import java.util.Date;
   import java.util.HashSet;
   import java.util.LinkedList;
  import java.util.List;
  import java.util.Set;
  
  import org.acegisecurity.GrantedAuthority;
  
  /**
   * Implements a User
   * @author Arjan Verstoep
   * @version $Id: User.java,v 1.1 2010/03/16 18:55:42 varienaja Exp $
   */
  public class User implements IUser {
  	
  	static final long serialVersionUID = 200606201141L;
  	
  	private Date _expiryDate;
  	private boolean _locked;
  	private boolean _credentialsExpired;
  	private String _loginname;
  	private String _name;
  	private String _encryptedPassword;
  	private String _disabledMessage;
  	private Set<Role> _roles;
  	private long _id;
  
  	/**
  	 * Creates a new non-expired, non-locked, non-disabled User-object with
  	 * an empty loginname and an empty username. This new object cannot be used to login
  	 * before the password is set using the setUnencryptedPassword-method, and being
  	 * persisted using the UserDao.
  	 * 
  	 *  @see UserDao
  	 *  @see IUser
  	 *  @see Encrypter
  	 *  @see Role
  	 *  @see Authority
  	 */
  	public User() {
  		_id = -1L;
  		_expiryDate = null;
  		_locked = false;
  		_credentialsExpired = false;
  		_loginname = "";
  		_name = "";
  		_encryptedPassword = "";
  		_disabledMessage = "";
  		_roles = new HashSet<Role>();
  	}
  	
  	public void setId(long id) {
  		_id = id;
  	}
  	
  	public long getId() {
  		return _id;
  	}
  	
  	public boolean isAccountNonExpired() {
  		return (_expiryDate==null) ? true : 
  				_expiryDate.after(new Date());
  	}
  	
  	public void setExpiryDate(Date expiryDate) {
  		_expiryDate = expiryDate;
  	}
  	
  	public Date getExpiryDate() {
  		return _expiryDate;
  	}
  
  	public boolean isAccountNonLocked() {
  		return !_locked;
  	}
  	
  	public void setAccountNonLocked(boolean nonLocked) {
  		_locked = !nonLocked;
  	}
  
  	public GrantedAuthority[] getAuthorities() {
  		GrantedAuthority[] sampleArray = new GrantedAuthority[0];
  		
  		Set<GrantedAuthority> allAuthorities = new HashSet<GrantedAuthority>();
  		for (Role r : _roles) {
  			allAuthorities.addAll(r.getAuthorities());
  		}
  		return allAuthorities.toArray(sampleArray);
  	}
  	
  	/**
  	 * @return True if this User is an Admin.
  	 */
 	public boolean isAdmin() {
 		return hasRole("ROLE_ADMIN");
 	}
 	
 	/**
 	 * Returns whether or not this User has a certain role.
 	 * @param roledescription The description of the role, such as ROLE_USER
 	 * @return True, if this User has the specified role.
 	 */
 	public boolean hasRole(String roledescription) {
 		if (roledescription==null) return false;
 		
 		GrantedAuthority[] authorities = getAuthorities();
 		for (int i=0;i<authorities.length;i++) {
 			if (roledescription.equalsIgnoreCase(authorities[i].getAuthority())) {
 				return true;
 			}
 		}
 		return false;
 	}
 	
 	public void setRoles(Set<Role> roles) {
 		_roles = roles;
 	}
 	
 	public Set<Role> getRoles() {
 		return _roles;
 	}
 	
 	public void addRole(Role role) {
 		_roles.add(role);
 	}
 
 	public boolean isCredentialsNonExpired() {
 		return !_credentialsExpired;
 	}
 	
 	public void setCredentialsNonExired(boolean nonExpired) {
 		_credentialsExpired = !nonExpired;
 	}
 
 	public boolean isEnabled() {
 		return "".equals(_disabledMessage);
 	}
 	
 	public String getPassword() {
 		return _encryptedPassword;
 	}
 	
 	public void setPassword(String encryptedPassword) {
 		_encryptedPassword = encryptedPassword;
 	}
 
 	public String getUsername() {
 		return _loginname;
 	}
 	
 	public String getLoginname() {
 		return _loginname;
 	}
 	
 	public void setLoginname(String loginname) {
 		_loginname = loginname;
 	}
 	
 	public String getName() {
 		return _name;
 	}
 	
 	public void setName(String name) {
 		_name = name;
 	}
 	
 	/**
 	 * When the disabledmessage is set, the User is automatically disabled, and cannot logon.
 	 * @param message A message specifying why the user is disabled.
 	 */
 	public void setDisabledMessage(String message) {
 		_disabledMessage = message==null ? "" : message;
 	}
 
 	public void setUnencryptedPassword(String unencryptedpass) {
 		this._encryptedPassword=Encrypter.encrypt(unencryptedpass);
 	}
 
 	/**
 	 * A short description of the user, fit for human
 	 * consumption. Note: This name need not be unique.
 	 * @return The users' name.
 	 */
 	public String toString() {
 		return getUsername();
 	}
 	
 	public boolean equals(Object o) {
 		if (o==null) return false;
 		if (o instanceof User) {
 			User other = (User) o;
 			return getId()==other.getId();
 		}
  		return false;
  	}
 	
 	/*
 	 * (non-Javadoc)
 	 * @see java.lang.Object#hashCode()
 	 */
 	@Override
 	public int hashCode() {
 		return Long.valueOf(_id).hashCode();
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * @see org.musicontroller.security.IUser#getRolesList()
 	 */
 	public List<Role> getRolesList() {
 		List<Role> result = new LinkedList<Role>();
 		result.addAll(_roles);
 		return result;
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * @see org.musicontroller.security.IUser#setRolesList(java.util.List)
 	 */
 	public void setRolesList(List<Role> roles) {
 		_roles.clear();
 		_roles.addAll(roles);
 	}
 
 
 }