<?php
namespace Open\Handler\ClientTokenHandler;

use \Helpers\View as view;
use \Helpers\dbh;
use \Helpers\Table;
use \stdClass;
use \Files\Files;
use \Users\Account;
use \Users\Users;

class Escience
{
	private $db;  			//传入PDO对象误
	private $config;		//全局配置
	
	public $table;

	public $token;			//token信息
	public $userInfo;		//用户信息
	
	public $userid = 0;			//用户ID
							//这个。。。如果有，优先获得session中的，如果没，进行后面的用户比对
							
	function __construct($token = NULL,$db = NULL)
	{
		if(empty($db))
		{
			$this->db = \Zend_Registry::get('db');
		}else{
			$this->db = $db;
		}
		
		$this->config = \Zend_Registry::get('config');
		$this->table = new Table();
		
		//预处理token信息
		$status = $this->preProcess($token);
	}
	
	//考虑加一个接口，每个Token操作类中必须包含此函数
	public function doit()
	{
		//makeUserStorage在先，必须的
		$status = $this->makeUserStorage();
		
		if($status!==true)
		{
			return $status;
		}
		
		$status = $this->makeTokenStorage();
		
		if($status !== true)
		{
			return $status;
		}
		
		return true;
	}
	
	//预处理
	public function preProcess($tokenData)
	{
		if(!is_array($tokenData))
		{
			return "参数错误";
		}
		
		$this->userInfo = json_decode($tokenData['userInfo'],true);
		
		unset($tokenData['userInfo']);
		
		$this->token = $tokenData;
		
		return true;
	}
	
	//检查用户信息,如果没有用户自动注册，有用户就自动绑定。
	public function makeUserStorage()
	{
		$uid = view::User('id');
		
		if(is_numeric($uid) && $uid > 0)
		{
			$this->userid = $uid;
			return "您已经登录，无需重复登录";
		}
		
		if(empty($this->userid))
		{
			$current_oauth_email = $this->userInfo['cstnetId'];
			
			$user = new Users(TRUE);
			$current = $user->userExists($current_oauth_email);
			
			if($current === false)
			//自动注册用户
			{
				$data = array(
					$user->account->FieldUsername => $current_oauth_email,
					$user->account->FieldEmail => $current_oauth_email,
					$user->account->FieldPasword => 0,
					$user->account->FieldRealname => $this->userInfo['truename'],
				);
				
				$dbh = new dbh();
				
				$id = $dbh->insert($user->account->memberTable,$data,true);
				
				//登录
				$user->account->storeLogin(array(
					$user->account->FieldUsername => $data[$user->account->FieldUsername],
					$user->account->FieldPasword => $data[$user->account->FieldPasword]
				));
				
				$this->userid = $id;
				
				return true;
			}
			
			//帮用户自动登录
			else{
				
				$user->account->storeLogin(array(
					$user->account->FieldUsername => $current[$user->account->FieldUsername],
					$user->account->FieldPasword => $current[$user->account->FieldPasword]
				),false);
				
				$this->userid = $current[$user->account->FieldIndex];
				
				return true;
			}
		
		}
		
	}
	
	//生成写入token表的数据
	//有token记录就更新，没有再插入
	public function makeTokenStorage()
	{
		$data = array(
			'access_token' => $this->token['access_token'],
			'refresh_token' => $this->token['refresh_token'],
			'expires_in' => $this->token['expires_in'],
			'userid' => $this->userid,
			"response_data" => json_encode($this->userInfo,JSON_NUMERIC_CHECK),
			"source" => "escience"
		);
		
		//查看用户用escience登录的记录是否存在
		$sql = "SELECT * FROM {$this->table->oauth_token} WHERE userid={$this->userid} AND source='{$data['source']}' LIMIT 1";
		$rs = $this->db->query($sql);
		$row = $rs->fetch();
		
		$dbh = new dbh();
		
		if(isset($row['id']))
		{
			$status = $dbh->update($this->table->oauth_token,$data," id={$row['id']} AND userid={$this->userid} ");
			if($status)
			{
				return true;
			}else{
				return "更新授权信息时发生错误，请重新登录";
			}
		}else{
			$status = $dbh->insert($this->table->oauth_token,$data);
			if($status)
			{
				return true;
			}else{
				return "记录授权信息时发生错误，请重新登录";
			}
		}
		
		return true;
	}
	
	
}