<?php

namespace Cas\Controller\API;

use KIF\Core\Controller;
use KIF\Core\Request;
use Cas\Module\User;
use Cas\Dao\UserInfo;
use KIF\Math\Math;
use KIF\Cookie;

/**
 * 关于用户和passport接口
 *
 * @author lihuanchun
 *        
 */
class SetUser extends Controller {
	private $key;
	private $params;
	private $objMUser;
	public function __construct() {
		$this->key = 'rD5carfCGbHAhF';
		$this->params = $this->getRequestParams ();
		
		/*
		if (! $this->checkSign ( $params ['sign'], $params )) {
			//exit ( 'Sign error' );
		}
		*/
		
		$this->objMUser = new User ();
		
	}
	
	
	/**
	 * 用户登录caozuo
	 */
	public function doRepLogin(){
		
	}
	
	
	
	/**
	 * 设置用户
	 * 请求地址：http://cas.lishuy.com/index.php?c=API_Req&a=Page&sign=51CE47C9A3681845D5ACCF3728DABD6A
	 * http://cas.lishuy.com/API_SetUser_Req/?sign=51CE47C9A3681845D5ACCF3728DABD6A
	 * 参数:
	 * passport_uid 对方UID
	 * cas_uid 本平台UID
	 * nickname 用户昵称
	 * headimgurl 用户头像地址
	 * sign 加密串
	 *
	 * 返回
	 */
	public function doReq() {
		// 1.获取传递来的相关信息
		$info ['nickname'] = urlencode($this->params ['nickname']);
		$info ['headimgurl'] = urlencode($this->params ['headimgurl']);
		$info ['passport_uid'] = $this->params ['passport_uid'];
		$cas_uid = $this->params ['cas_uid'];
		// 2.绑定用户信息
		if ($this->objMUser->bindingUser ( $info, $cas_uid )) {
			exit ( 'success' );
		}
		;
		exit ( 'fail' );
	}
	
	/**
	 * 统一着陆页面
	 * 页面地址：http://cas.lishuy.com/index.php?c=API_SetUser&a=Page&sign=51CE47C9A3681845D5ACCF3728DABD6A
	 * http://cas.lishuy.com/API_SetUser_Page/?sign=51CE47C9A3681845D5ACCF3728DABD6A
	 * 参数:
	 * passport_uid 对方UID
	 * cas_uid 本平台UID
	 * nickname 用户昵称
	 * headimgurl 用户头像地址
	 * return_url 原跳转地址
	 * sign 加密串
	 */
	public function doPage() {
		
		// 1.获取传递来的相关信息
		$info ['nickname'] = urldecode($this->params ['nickname']);
		$info ['headimgurl'] = urldecode($this->params ['headimgurl']);
		$info ['passport_uid'] = $this->params ['uid'];
		$cas_uid = $this->params['cas_uid'];
		$back_url = urldecode($this->params['cas_return_url']);
		if(isset($this->params ['return_url'])){
			$this_return_url = urldecode($this->params ['return_url']);
			$arr = $this->convertUrlQuery($this_return_url);
			$back_url  = 	urldecode($arr['cas_return_url']);
			$cas_uid = $arr['cas_uid'];
		}
		
		// 2.绑定用户信息
		if($info ['passport_uid']){
			$userData = $this->objMUser->getUserDataPasspord($info ['passport_uid']);
			if(!$userData){
				$this->objMUser->bindingUser ( $info, $cas_uid );
				$userData = $this->objMUser->get($cas_uid);
				print_r($userData);die;
			}	
		}else{
			$userData = $this->objMUser->get($cas_uid);
		}
		$userData ['key'] = Math::md5_16 ( $cas_uid );
		$userData = json_encode ( $userData );
		Cookie::set ( 'USER_INFO', $userData, 60 * 60 * 24 * 20 ,'.'.$_SERVER['HTTP_HOST']);
		
		header ( "Location: " . $back_url );
		exit ();
	}
	
	/**
	 * 校验请求的合法性
	 *
	 * @param array $request_params        	
	 * @param string $sign        	
	 * @return Boolean
	 */
	public function verifySign(array $request_params, $sign) {
		if (empty ( $sign )) {
			return false;
		}
		$new_sign = $this->createSign ( $request_params );
		if (strtolower ( $new_sign ) != strtolower ( $sign )) {
			return false;
		}
		return true;
	}
	
	/**
	 * 获取请求的参数集。依赖 REQUEST_METHOD 做判断
	 *
	 * @return array
	 */
	public function getRequestParams() {
		$params = array ();
		if ($_SERVER ['REQUEST_METHOD'] == 'POST') {
			$params = $_POST;
			if (! $params) {
				$params = $_GET;
			}
		} else if ($_SERVER ['REQUEST_METHOD'] == 'GET') {
			$params = $_GET;
		} else {
			throw new Exception ( 'NOT_SUPPORT_REQUEST_METHOD' );
		}
		return $params;
	}
	
	/**
	 * 生成请求参数的sign
	 *
	 * @param array $params        	
	 * @return String
	 */
	public function createSign(array $params) {
		if ($params && is_array ( $params )) {
			ksort ( $params );
			$str = $this->key;
			foreach ( $params as $key => $value ) {
				if ($key != 'sign') {
					$str .= $key . $value;
				}
			}
			return strtoupper ( md5 ( $str ) );
		}
		return '';
	}
	
	public function convertUrlQuery($url)
	{
		$arr = parse_url($url);
		$query = $arr['query'];
		$queryParts = explode('&', $query);
			
		$params = array();
		foreach ($queryParts as $param)
		{
			$item = explode('=', $param);
			$params[$item[0]] = $item[1];
		}
			
		return $params;
	}
	
	/**
	 * 指定的sign值是否正确
	 *
	 * @param String $sign
	 *        	给定需要验证的sign值
	 * @param Array $params
	 *        	用来计算sign值的参数集合
	 * @return Boolean
	 */
	public function checkSign($sign, $params = null) {
		$sign2 = $this->createSign ( $params );
		return ($sign2 == $sign);
	}
	public function run() {
		$action = $this->action;
		$this->$action ();
	}
	public function display() {
		$this->render ();
	}
}