<?php

namespace Short\Lib;

use Dever;

class Handle
{
    public function showUrl($id)
    {
        $info = Dever::db('short/info')->one($id);
        $type = Dever::db('short/type')->one($info['type']);

        return $type['host'] . Dever::uid($id);
    }

    public function get($type, $url, $param, $host = '')
    {
        $param = json_encode($param);
        $where['type'] = $type;
        $type = Dever::db('short/type')->one($type);
        $where['key'] = md5($url . '?' . $param);

        $info = Dever::db('short/info')->one($where);

        if ($info) {
            $id = $info['id'];
        } else {
            $where['url'] = $url;
            $where['param'] = $param;
            $id = Dever::db('short/info')->insert($where);
        }
        if ($host) {
            $type['host'] = $host;
        }

        return $type['host'] . Dever::uid($id);
    }

    public function show($str)
    {
        $id = Dever::uid($str, 'decode');
        if ($id && $id > 0) {
            $info = Dever::db('short/info')->one($id);
            if ($info && $info['url']) {
                if ($info['param']) {
                    $param = Dever::json_decode($info['param']);
                    if ($param) {
                        foreach ($param as $k => $v) {
                            if (strstr($v, '|')) {
                                $temp = explode('|', $v);
                                $v = Dever::load($temp[1], $temp[0]);
                                $param[$k] = $v;
                            }
                        }
                        if (strstr($info['url'], '?')) {
                            $info['url'] .= '&' . http_build_query($param);
                        } else {
                            $info['url'] .= '?' . http_build_query($param);
                        }
                    }
                }
                
                Dever::location($info['url']);
            }
        }

        return 'error';
    }
}