<?php

namespace app\controller;
include_once base_path().'/vendor/laysense/dns/src/resource/ipv6.php';
use dnstools\ipv6;

class DnsController
{
    public function PTR($type,$name,$rip,$id,$query)
    {
        #输出信息
        #echo "\n Type:$type \n Domain: $name\n Client IP: $rip \n";

        #此处请根据业务需要，通过判断$name和$rip返回正确的数据
        
        $send['detail']='dns.laysense.com';
        $send['ttl']=30;

        #以下无需更改
        $send['type']='PTR';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    #后续以此类推，function名为DNS查询类型

    public function A($type,$name,$rip,$id,$query)
    {
        /** 
        $send['detail'][1]='119.29.29.29';
        $send['detail'][2]='8.8.8.8';
        $send['ttl']=30;
        
        $send['type']='A';
        */
        $send['detail'][1]='baidu.cn';
        $send['detail'][2]='baidu.com';
        $send['ttl']=600;
        
        $send['type']='CNAME';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function AAAA($type,$name,$rip,$id,$query)
    {
        $ipv6=new IPv6;
        $send['detail'][1]=bin2hex($ipv6->ip2bin("fe80::2c5f")); #此操作可以还原被简化的IPv6地址 协议内不再对IPv6地址进行处理，请按照本方式传递16进制无":"的完整16位IPv6
        $send['detail'][2]=bin2hex($ipv6->ip2bin("2001:0:2851:b9d0:2c5f:f0d9:21be:4b96"));
        $send['ttl']=30;
        

        $send['type']='AAAA';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function NS($type,$name,$rip,$id,$query)
    {
        
        $send['detail'][1]='coco.bunny.net';
        $send['detail'][2]='kiki.bunny.net';
        $send['ttl']=600;
        
        $send['type']='NS';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function CNAME($type,$name,$rip,$id,$query)
    {
        
        $send['detail'][1]='baidu.cn';
        $send['detail'][2]='baidu.com';
        $send['ttl']=600;
        
        $send['type']='CNAME';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function TEXT($type,$name,$rip,$id,$query)
    {
        
        $send['detail'][1]='text1-test';
        $send['detail'][2]='text2-test';
        $send['ttl']=600;
        
        $send['type']='TEXT';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function MX($type,$name,$rip,$id,$query)
    {
        
        $send['detail'][1]['name']='mx.zoho.com';
        $send['detail'][1]['pre']='20'; #权重
        $send['detail'][2]['name']='mx2.zoho.com';
        $send['detail'][2]['pre']='30'; #权重
        $send['detail'][3]['name']='mx3.zoho.com';
        $send['detail'][3]['pre']='50'; #权重
        $send['ttl']=600;
        
        $send['type']='MX';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }

    public function SOA($type,$name,$rip,$id,$query)
    {
        $send['detail']= array();

        $send['detail']['type']='none';
        $send['detail']['name']=$name;
    
    /**
     * SOA类型，如遇域名存在但无该查询类型的记录时返回
     * 请勿随意填写，本DNS协议将自动向服务器配置的DNS获取SOA
     * 
     * 自行返回SOA记录(不建议)[除非你真的准备直接把域名NS到这里]
     * $send['detail']['type']='self';
     * $send['detail']['mname']='dns31.hichina.com'; #主DNS服务器名
     * $send['detail']['rname']='hostmaster.hichina.com'; #DNS管理员邮箱
     * $send['detail']['serial']='2022052002'; #序列号 序列号必须递增 类似于dns记录的版本号 序列号变大时递归dns将更新记录
     * $send['detail']['refresh']='3600'; #区域应当被刷新前的时间间隔
     * $send['detail']['retry']='1200'; #刷新失败重试的时间间隔
     * $send['detail']['expire']='86400'; #规定在区域不再是权威的之前可以等待的时间间隔的上限
     * $send['detail']['minimum-ttl']='600'; #最小TTL 
     * 
     * $send['ttl']='180'; #当前TTL 
     **/
        

        $send['type']='SOA';
        $send['id']=$id;
        $send['query']=$query;
        $return=json_encode($send);
        return $return;
    }
}