<?php
/**
 * navibar model
 * @package EMLOG
 * @link https://www.emlog.net
 */

class Navi_Model {

    private $db;

    const navitype_custom = 0;//自定义
    const navitype_home = 1;  //首页
    const navitype_t = 2;     //笔记
    const navitype_admin = 3; //后台管理
    const navitype_sort = 4;  //分类
    const navitype_page = 5;  //页面

    function __construct() {
        $this->db = Database::getInstance();
    }

    function getNavis() {
        $navis = [];
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "navi ORDER BY pid ASC, taxis ASC");
        while ($row = $this->db->fetch_array($query)) {
            $url = Url::navi($row['type'], $row['type_id'], $row['url']);
            $naviData = array(
                'id'        => (int)$row['id'],
                'naviname'  => htmlspecialchars(trim($row['naviname'])),
                'url'       => htmlspecialchars(trim($url)),
                'newtab'    => $row['newtab'],
                'isdefault' => $row['isdefault'],
                'type'      => (int)$row['type'],
                'typeId'    => (int)$row['type_id'],
                'taxis'     => (int)$row['taxis'],
                'hide'      => $row['hide'],
                'pid'       => (int)$row['pid'],
            );
            if ($row['type'] == Navi_Model::navitype_custom) {
                if ($naviData['pid'] == 0) {
                    $naviData['childnavi'] = [];
                } elseif (isset($navis[$row['pid']])) {
                    $navis[$row['pid']]['childnavi'][] = $naviData;
                }
            }
            $navis[$row['id']] = $naviData;
        }
        return $navis;
    }

    function updateNavi($naviData, $navid) {
        $Item = [];
        foreach ($naviData as $key => $data) {
            $Item[] = "$key='$data'";
        }
        $upStr = implode(',', $Item);
        $this->db->query("update " . DB_PREFIX . "navi set $upStr where id=$navid");
    }

    function addNavi($name, $url, $taxis, $pid, $newtab, $type = 0, $typeId = 0) {
        if ($taxis > 30000 || $taxis < 0) {
            $taxis = 0;
        }
        $sql = "insert into " . DB_PREFIX . "navi (naviname,url,taxis,pid,newtab,type,type_id) values('$name','$url', $taxis, $pid, '$newtab', $type, $typeId)";
        $this->db->query($sql);
    }

    function getOneNavi($navid) {
        $sql = "select * from " . DB_PREFIX . "navi where id=$navid ";
        $res = $this->db->query($sql);
        $row = $this->db->fetch_array($res);
        $naviData = [];
        if ($row) {
            $naviData = array(
                'naviname'  => htmlspecialchars(trim($row['naviname'])),
                'url'       => htmlspecialchars(trim($row['url'])),
                'newtab'    => $row['newtab'],
                'isdefault' => $row['isdefault'],
                'type'      => (int)$row['type'],
                'type_id'   => (int)$row['type_id'],
                'pid'       => (int)$row['pid'],
            );
        }
        return $naviData;
    }

    function getNaviNameByUrl($url) {
        $CACHE = Cache::getInstance();
        $navi_cache = $CACHE->readCache('navi');
        foreach ($navi_cache as $val) {
            if ($val['url'] == $url) {
                return $val['naviname'];
            }
        }

        return '';
    }

    function getNaviNameByType($type) {
        $CACHE = Cache::getInstance();
        $navi_cache = $CACHE->readCache('navi');
        foreach ($navi_cache as $val) {
            if ($val['type'] == $type) {
                return $val['naviname'];
            }
        }

        return '';
    }

    function deleteNavi($navid) {
        $this->db->query("DELETE FROM " . DB_PREFIX . "navi where id=$navid");
        $this->db->query("UPDATE " . DB_PREFIX . "navi set pid=0 where pid=$navid");
    }

}
