<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
    /**
     * Authenticated person ID
     * @var    string
     */
	private $_id;
	
	
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		if(empty($this->username)) {
			$this->errorCode=self::ERROR_USERNAME_INVALID;
			return !$this->errorCode;
		}
		
		$manager = Manager::model()->with('access')->find(array(
            "select" => array("id", "name", "login"),
            "condition" => implode(" AND ", array(
                "manager = :manager",
                "login = :login",
                "access.domain = :transport",
                "passwd = :pass"
            )),
            "params" => array(
                ":manager" => 1,
                ":login" => $this->getPartOfName($this->username, 'name'),
                ":transport" => $this->getPartOfName($this->username, 'domain'),
                ":pass" => $this->password
            )
		));
        
		if($manager===null) {
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		}
		else {
			$this->_id = $manager->id;
            
            // Write manager short info
			$this->setState('__fullname', empty($manager->name) ? $manager->login : $manager->name);
            
			$this->errorCode=self::ERROR_NONE;
		}
		
		return !$this->errorCode;
	}
	
    public function getId()
    {
        return $this->_id;
    }
    
    
    /**
     * Returns part of email name
     */
     private function getPartOfName( $param = "", $name = "name")
     {
         $param = trim($param);
         
         $param = explode("@", $param);
         
         if(count($param) > 2) {
             $param = array_slice($param, 0, 2);
         }
         
         switch($name) {
            case 'name': return $param[0];
            case 'domain': return $param[1];
            default: return implode("@", $params);
         }
     }
}