<?php
namespace apps\oauth\controllers;

use apps\base\controllers\FrontendController;

class IndexController extends FrontendController
{

    public function actionIndex()
    {
        $type = I('get.type');
        $back_url = I('get.back_url', '', 'urldecode');
        $file = ROOT_PATH . 'plugins/connect/' . $type . '.php';
        if (file_exists($file)) {
            include_once ($file);
        } else {
            show_message('插件未启用', '返回上一页', U('user/login/index'));
        }
        $url = U('oauth/index/index', array(
            'type' => $type,
            'back_url' => empty($back_url) ? U('site/index/index') : $back_url
        ), true);
        $config = $this->getOauthConfig($type);
        // 判断是否安装
        if (! $config) {
            show_message('插件未启用', '返回上一页', U('user/login/index'));
        }
        $obj = new $type($config);
        // 授权回调
        if (isset($_GET['code']) && $_GET['code'] != '') {
            if ($res = $obj->callback($url, $_GET['code'])) {
                if ($this->oauthLogin($res)) {
                    $this->redirect($_GET['back_url']);
                }
                $_SESSION['oauth_userinfo'] = $res;
                $_SESSION['oauth_back_act'] = $_GET['back_url'];
                $this->redirect(U('bind'));
            } else {
                show_message('授权回调失败', '返回上一页', U('user/login/index'));
            }
            return;
        }
        // 授权开始
        $url = $obj->redirect($url);
        ecs_header("Location: " . $url . "\n");
        exit();
    }

    /**
     * 用户绑定
     */
    public function actionBind()
    {
        $userinfo = isset($_SESSION['oauth_userinfo']) ? $_SESSION['oauth_userinfo']:'';
        if(empty($userinfo)){
            $this->redirect(U('site/index/index'));
        }
        if (IS_POST){
            $username = I('username');
            $password = I('password');
            if ($this->users->login($username, $password)) {
                $data = array(
                    'aite_id' => $userinfo['openid'],
                    'sex' => $userinfo['sex'],
                    'user_picture' => $userinfo['avatar']
                );
                //微信用户绑定
                if(class_exists('\apps\wechat\controllers\IndexController')) {
                    if (isset($_SESSION['openid']) && !empty($_SESSION['openid'])) {
                        $wechat = $this->model->table('wechat_user')->field('parent_id, ect_uid')->where(array('openid' => $_SESSION['openid']))->find();
                        if ($wechat) {
                            $data['parent_id'] = $wechat['parent_id'];
                        }
                        if (empty($wechat['ect_uid'])) {
                            $this->db->table('wechat_user')->data(array('ect_uid' => $_SESSION['user_id']))->where(array('openid' => $_SESSION['openid']))->update();
                            //关注送红包
                            $this->sendBonus();
                        }
                    }
                }
                $condition['user_name'] = $username;
                $this->db->table('users')->data($data)->where($condition)->update();

                unset($_SESSION['oauth_userinfo']);
                $back_url = empty($_SESSION['oauth_back_act']) ? U('site/index/index'):$_SESSION['oauth_back_act'];
                $this->redirect($back_url);
            } else {
                show_message('授权绑定失败', '重新绑定', '', 'error');
            }
        }
        $this->assign('page_title', '绑定已有帐号');
        $this->display();
    }

    /**
     * 用户注册
     */
    public function actionRegister()
    {
        $userinfo = isset($_SESSION['oauth_userinfo']) ? $_SESSION['oauth_userinfo']:'';
        if(empty($userinfo)){
            $this->redirect(U('site/index/index'));
        }
        if(IS_POST){
            $username = I('username');
            $password = I('password');
            $email = time(). rand(1, 9999) . '@' . $_SERVER['HTTP_HOST'];
            require BASE_PATH . 'helpers/passport_helper.php';
            if (register($username, $password, $email) !== false) {
                $data = array(
                    'aite_id' => $userinfo['openid'],
                    'sex' => $userinfo['sex'],
                    'user_picture' => $userinfo['avatar']
                );
                //微信用户绑定
                if(class_exists('\apps\wechat\controllers\IndexController')) {
                    if (isset($_SESSION['openid']) && !empty($_SESSION['openid'])) {
                        $wechat = $this->model->table('wechat_user')->field('parent_id, ect_uid')->where(array('openid' => $_SESSION['openid']))->find();
                        if ($wechat) {
                            $data['parent_id'] = $wechat['parent_id'];
                        }
                        if (empty($wechat['ect_uid'])) {
                            $this->db->table('wechat_user')->data(array('ect_uid' => $_SESSION['user_id']))->where(array('openid' => $_SESSION['openid']))->update();
                            //关注送红包
                            $this->sendBonus();
                        }
                    }
                }
                $condition['user_name'] = $username;
                $this->db->table('users')->data($data)->where($condition)->update();
                unset($_SESSION['oauth_userinfo']);
                $back_url = empty($_SESSION['oauth_back_act']) ? U('site/index/index'):$_SESSION['oauth_back_act'];
                $this->redirect($back_url);
            } else {
                show_message('授权注册失败', '重新注册', '', 'error');
            }
            return;
        }
        $this->assign('page_title', '注册新用户');
        $this->display();
    }

    /**
     * 获取第三方登录配置信息
     *
     * @param type $type
     * @return type
     */
    private function getOauthConfig($type)
    {
        $sql = "SELECT auth_config FROM {pre}touch_auth WHERE `type` = '$type'";
        $info = $this->db->getRow($sql);
        if ($info) {
            $res = unserialize($info['auth_config']);
            $config = array();
            foreach ($res as $key => $value) {
                $config[$value['name']] = $value['value'];
            }
            return $config;
        }
        return false;
    }

    /**
     * 授权自动登录
     * @param unknown $res
     */
    private function oauthLogin($res)
    {
        $condition['aite_id'] = $res['openid']; // 登录标识
        $userinfo = $this->db->table('users')
            ->field('user_name')
            ->where($condition)
            ->find();
        if ($userinfo) {
            $this->doLogin($userinfo['user_name']);
            return true;
        } else {
            return false;
        }
    }

    /**
     * 设置成登录状态
     * @param unknown $username
     */
    private function doLogin($username)
    {
        $this->users->set_session($username);
        $this->users->set_cookie($username);
        update_user_info();
        recalculate_price();
    }

    /**
     * 关注送红包
     */
    private function sendBonus(){
        $rs = $this->db->query("SELECT name, keywords, command, config FROM {pre}wechat_extend WHERE keywords like '%$keywords%' and enable = 1 and wechat_id = 1 ORDER BY id ASC");
        $file = ROOT_PATH . 'plugins/wechat/' . $rs[0]['command'] . '/' . $rs[0]['command'] . '.class.php';
        if (file_exists($file)) {
            require_once ($file);
            $wechat = new $rs[0]['command']();
            $data = $wechat->show($_SESSION['openid'], $rs);
            if (! empty($data)) {
                $wxinfo = model()->table('wechat')
                    ->field('id, token, appid, appsecret, encodingaeskey')
                    ->where(array('id'=>1, 'status'=>1))
                    ->find();
                $config['token'] = $wxinfo['token'];
                $config['appid'] = $wxinfo['appid'];
                $config['appsecret'] = $wxinfo['appsecret'];
                $config['encodingaeskey'] = $wxinfo['encodingaeskey'];
                $weObj = new \vendor\Wechat($config);
                $weObj->sendCustomMessage($data['content']);
            }
        }
    }
}