<?php
namespace KIF\Core;
use Cas\Module\Passport;
use KIF\Data\ResultWrapper;
use KIF\String\String;
/**
 * 
 * 继承自Controller，封装了微信用户登录状态、用户信息等一些方法
 * @author lishumingoo@gmail.com
 */
class WXController extends \KIF\Core\Controller {
	
	/**
	 * 
	 * 判断是否登录
	 * @return boolean
	 */
	public function isLogin() {
		$user =  self::getUser();
		if (!$user) {
			return false;
		}
		
		if ($user['loginType'] == Passport::LOGIN_TYPE_NOT_AUTH) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * 
	 * 获取用户id
	 * @return boolean | int
	 */
	public function getUid() {
		$user = $this->getUser();
		if (!$user) {
			return false;
		}
		
		return $user['uid'];
	}
	
	/**
	 * 
	 * 获取用户登陆类型
	 * 授权、未授权登陆
	 * @return boolean | int Passport::LOGIN_TYPE_NOT_AUTH Passport::LOGIN_TYPE_HAS_AUTH
	 */
	public function getLoginType() {
		$user = $this->getUser();
		if (!$user) {
			return false;
		}
		
		return $user['loginType'];
	}
	
	/**
	 * 
	 * 获取登陆用户openid
	 * @return boolean | string
	 */
	public function getOpenid() {
		$user = $this->getUser();
		if (!$user) {
			return false;
		}
		
		return $user['openid'];
	}
	
	/**
	 * 
	 * 获取用户微信昵称
	 * @return boolean | string
	 */
	public function getNickname() {
		$user = $this->getUser();
		if (!$user) {
			return false;
		}
		
		return $user['nickname'];
	}
	
	/**
	 * 
	 * 获取用户微信头像
	 * @return boolean | string
	 */
	public function getHeadimgurl() {
		$user = $this->getUser();
		if (!$user) {
			return false;
		}
		
		return $user['headimgurl'];
	}
	
	/**
	 * 
	 * 从Cookie中获取用户的登陆信息
	 * @return boolean | array
	 */
	public function getUser() {
		static $user = null;
		if ($user) {
			return $user;
		}
		
		$objPassport = new Passport();
		$tmpResult = $objPassport->getLoginInfo();
		if ($tmpResult->isSuccess()) {
			$user = $tmpResult->getData();
		}
		
		return $user;
	}
	
	/**
	 * 判断登陆状态是否满足活动要求，满足时返回true，不满足返回授权地址
	 * @param Boolean $isAuth 是否需要授权。true时需要loginType = Passport::LOGIN_TYPE_HAS_AUTH; false时loginType至少属于Passport::LOGIN_TYPE_NOT_AUTH;
	 * @return ResultWrapper success 满足条件; fail 不满足条件，需要通过返回的授权url进行授权
	 */
	public function checkLoginStatus($isAuth = false, $from) {
		$authUrl = Request::schemeDomain() . '/connect/';
		
		if (!$isAuth) {
			if (!self::getUser()) {
				$state = 'base';
			}
		} else {
			if (!self::isLogin()) {
				$state = 'userinfo';
			}
		}
		
		if ($state) {
			return ResultWrapper::fail(String::jointUrl($authUrl, array('from' => $from, 'state' => $state)));
		}
		
		return ResultWrapper::success();
	}
	
	public function __construct() {
		if (self::isLogin()) {
			define('IS_LOGIN', 1);
			define('UID', self::getUid());
			define('NICKNAME', self::getNickname());
			define('AVATAR', self::getHeadimgurl());
		} else {
// 			$tmpResult = self::checkLoginStatus(false, Request::url());
// 			if (!$tmpResult->isSuccess()) {
// 				self::redirect($tmpResult->getData());
// 			}
			
			define('IS_LOGIN', 0);
		}
	}
	
	public function run() {
		$action = $this->action;
		$this->$action();
	}
}