<?php
/**
 * 微信安全支持 扫描
 * 检测 Cookie 统一跳转
 */

namespace Frontend\Controller\Safe;

use Com\Cookie;
use Common\Common\Login;
use Common\Common\User;
use Think\Controller;
use VcySDK\Service;

class IndexController extends Controller
{
    /**
     * 接收的数据
     * @var array
     */
    protected $postData = [];

    /**
     * 企业详情
     * @var array
     */
    private $epDetail = [];

    /**
     * cookie 实例
     * @var null
     */
    private $cookie = null;

    public function Index()
    {
        // 获取企业信息
        $this->epDetail = $this->getEpDetail();
        // 初始化 Cookie
        $this->startCookie();
        // 初始化 SDK
        $this->initSdk();

        // 获取 Cookie
        $login = &Login::instance();
        $uid = $login->getCookie('uid');
        $auth = $login->getCookie('auth');
        $lastlogin = $login->getCookie('lastlogin');
        $qydomain = $login->getCookie('qyDomain');

        // 如果 Cookie 值为空
        if (empty($uid) || empty($auth) || empty($lastlogin) ||
                // 访问企业和 Cookie 不一样
                (strtolower($qydomain) != strtolower($this->epDetail['epEnumber']))) {
            $this->returnError('未找到人员');
        }
        // 获取人员
        $userServ = &User::instance();
        $user = $userServ->getByUid($uid, true);
        // 未找到用户或用户已删除
        if (empty($user) || !$userServ->isNormal($user)) {
            $this->cookie->destroy();
            return false;
        }

        // 跳转前端首页
        $this->redirectFront('/app/page/index/index/index');
    }

    /**
     * corpId 获取企业详情
     * @return array|mixed
     */
    private function getEpDetail()
    {
        if (empty($_COOKIE)) {
            $this->returnError('非法请求');
        }

        try {
            // 不是常规调用 UC 接口
            $sdkService = new Service();
            $response = [];
            $sdkService->request($response, cfg('UC_APIURL') . '/s/enterprise/detail', [
                'corpId' => $_COOKIE['corpid'],
            ], [
                'Content-Type' => 'application/json',
            ], 'POST');
        } catch (\Exception $e) {
            $this->returnError('未找到企业');
        }

        return $response['data'];
    }

    /**
     * 初始化 Cookie
     */
    private function startCookie()
    {
        $domain = cfg('COOKIE_DOMAIN');
        $expired = cfg('COOKIE_EXPIRE');
        $secret = md5(cfg('COOKIE_SECRET') . $this->epDetail['epEnumber']);

        // 初始化
        $this->cookie = &Cookie::instance($domain, $expired, $secret);
        ob_start([
            $this->cookie,
            'send',
        ]);
    }

    /**
     * 初始化 SDk
     * @return bool
     */
    private function initSdk()
    {
        $config = array(
            'apiUrl' => cfg('UC_APIURL'),
            'enumber' => $this->epDetail['epEnumber'],
            'pluginIdentifier' => APP_IDENTIFIER,
            'thirdIdentifier' => cfg('SDK_THIRD_IDENTIFIER'),
            'logPath' => RUNTIME_PATH . '/Logs/VcySDK/',
            'apiSecret' => cfg('API_SECRET'),
            'apiSigExpire' => cfg('API_SIG_EXPIRE'),
            'fileConvertApiUrl' => cfg('FILE_CONVERT_API_URL'),
        );
        $service = &Service::instance();
        $service->initSdk($config);

        return true;
    }

    /**
     * 跳转至前端Url
     *
     * @author zhonglei
     *
     * @param string $pageUrl 前端地址（#号之后的页面地址，不包含参数）
     * @param array  $params  参数
     * @param string $appdir  应用目录，默认为当前目录
     *
     * @return void
     */
    private function redirectFront($pageUrl, $params = [], $appdir = '')
    {
        if (!isset($params['ts'])) {
            $params['ts'] = MILLI_TIME;
        }

        if (cfg('STATIC_URL_DEBUG') === false) {
            unset($params['ts']);
        }

        if (empty($appdir)) {
            $appdir = APP_DIR;
        }

        $frontPath = cfg('FRONTEND_PATH');
        $url = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'];
        $url .= sprintf(
            '/%s/%s/%s/index.html#%s?%s',
            $this->epDetail['epEnumber'],
            $appdir,
            $frontPath,
            $pageUrl,
            http_build_query($params)
        );

        redirect($url);
    }

    /**
     * 返回错误
     * @param $errmsg
     */
    protected function returnError($errmsg)
    {
        $this->_response(['errmsg' => $errmsg], 'json');
    }
}