<?php
/**
 * Created by PhpStorm.
 * User: wanggb
 * Date: 2018/12/21
 * Time: 16:04
 */

namespace app\admin\controller\auth;


use app\common\controller\Backend;

class Linkmange extends Backend
{

    const GROUP_QDS = 3; #渠道商
    const GROUP_DLS = 4; #配号代理商
    protected $authgroupaccess_model = null;
    protected $adminextend_model = null;
    protected $book_model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->authgroupaccess_model = model('AuthGroupAccess');
        $this->adminextend_model = model('AdminExtend');
        $this->book_model = model('Book');
    }

    public function index()
    {
        $this->request->filter(['strip_tags']);
        if ($this->request->isAjax()) {
            $params = $this->request->post("row/a");
            $type = $params['type'];
            if ($type) {
                if(!$this->isQdsOrPhdls($params['qdsid'])){
                    return $this->error('渠道商或配号代理商ID错误！');
                }
                // 生成最近阅读
                $url = $this->generateRecentReadLink($params['qdsid']);
            } else {
                if(!$this->isQdsOrPhdls($params['qdsid'])){
                    return $this->error('渠道商或配号代理商ID错误！');
                    //return json(['code' => 0, 'data' => '渠道商或配号代理商ID错误！']);
                }

                if(!$this->isValidBook($params['bookid'])){
                    return $this->error('书籍ID错误！');
                    //return json(['code' => 0, 'data' => '书籍ID错误！']);
                }

                if(!$this->isValidChapter($params['bookid'], $params['chapterid'])){
                    return $this->error('书籍ID与章节ID不匹配！');
                    //return json(['code' => 0, 'data' => '书籍与章节不匹配！']);
                }
                //生成阅读页
                $url = $this->generateReadLink($params['qdsid'], $params['bookid'], $params['chapterid']);
            }
            return json(['code' => 1, 'data' => $url]);
        }
        return $this->fetch();
    }


    /**
     * 判断是否是渠道商或者是配号代理商
     * @param $userid
     */
    public function isQdsOrPhdls($userid)
    {
        $user_groupid = $this->authgroupaccess_model->getGroupId($userid);
        if ($user_groupid == self::GROUP_QDS) {
            return true;
        } elseif ($user_groupid == self::GROUP_DLS) {
            $data = $this->adminextend_model->getInfo($userid);
            return $data['distribute'] ?? 0;
        } else {
            return false;
        }
    }

    /**
     * 判断是否有效的书籍ID
     * @param $bookid
     * @return bool
     */
    public function isValidBook($bookid)
    {
        $bookinfo = $this->book_model->BookInfo($bookid);
        if (empty($bookinfo)) {
            return false;
        } else {
            return true;
        }
    }

    /**
     * 判断章节是否有效
     * @param $bookid
     * @param $chapterid
     * @return bool
     */
    public function isValidChapter($bookid, $chapterid)
    {
        if (!empty($bookid) && !empty($chapterid)) {
            if ($this->isValidBook($bookid)) {
                $chapterList = $this->book_model->getChapterList($bookid, 0, -1);
                $chapterArr = array_column($chapterList['data']['data'], 'id');
                if (in_array($chapterid, $chapterArr)) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * 按渠道商|配号代理商、 书籍ID、 章节ID 生成链接
     * @param $qdsid
     * @param $bookid
     * @param $chapterid
     */
    public function generateReadLink($qdsid, $bookid, $chapterid)
    {
        $url = getCurrentDomain($qdsid);
        $url .="index/book/chapter?";
        $url .="book_id=$bookid&chapter_id=$chapterid";
        return $url;
    }

    /**
     * 按渠道商|配号代理商 生成最近阅读链接
     * @param $qdsid
     * @return string
     */
    public function generateRecentReadLink($qdsid)
    {
        $url = getCurrentDomain($qdsid);
        $url .="index/user/recent";
        return $url;
    }
}