<?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
{
	/**
	 * 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()
	{
		$conn = Yii::app()->businessDb;
		//$coachInfo = BusinessCoach::model()->find('coach_name=:name and status=0', array(':name'=>$this->username));
		$coachInfo = BusinessCoach::model()->find('coach_name=:name', array(':name'=>$this->username));
		if(empty($coachInfo)){
			//$this->errorCode=self::ERROR_USERNAME_INVALID;
			//return false;
			return 'not exist';
		} else if ($coachInfo->status == 1) {
			return 'account is disabled';
		}
		else if($coachInfo->password !== md5(sha1($this->password))){
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
			return false;
		}
		else if($coachInfo->school_id){
			$school = $conn->createCommand("select * from school where school_id = '{$coachInfo->school_id}'")->queryRow();
			if(!$school)
				return "SCHOOL_NOT_EXISTS";
			
			if($school["status"] == 1)
				return "SCHOOL_DELETED";
		}
		
		$this->errorCode=self::ERROR_NONE;
	
		//Coach::model()->updateByPk($userInfo['user_id'],array('login_time'=>time()));
		unset(Yii::app()->session['myDatebase']);
		Yii::app()->session['coachInfo'] = $coachInfo;
		Yii::app()->session['coachInfo']['default_subject_id'] = 3;

		return true;
	}
	
	/* public function authenticate()
	{
		$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);
		if(!isset($users[$this->username]))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		elseif($users[$this->username]!==$this->password)
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
			$this->errorCode=self::ERROR_NONE;
		return !$this->errorCode;
	} */
}