<?php

namespace App\Controllers\Admin;

use App\Models\DetectLog;
use App\Models\DetectRule;
use App\Utils\Telegram;
use App\Controllers\AdminController;

use Ozdemir\Datatables\Datatables;
use App\Utils\DatatablesHelper;

class DetectController extends AdminController
{
    public function index($request, $response, $args)
    {
        $table_config['total_column'] = array("op" => "操作", "id" => "ID", "name" => "名称",
                          "text" => "介绍", "regex" => "正则表达式",
                          "type" => "类型");
        $table_config['default_show_column'] = array();
        foreach ($table_config['total_column'] as $column => $value) {
            array_push($table_config['default_show_column'], $column);
        }
        $table_config['ajax_url'] = 'detect/ajax';
        return $this->view()->assign('table_config', $table_config)->display('admin/detect/index.tpl');
    }

    public function log($request, $response, $args)
    {
        $table_config['total_column'] = array("id" => "ID", "user_id" => "用户ID",
                          "user_name" => "用户名", "node_id" => "节点ID",
                          "node_name" => "节点名", "rule_id" => "规则ID",
                          "rule_name" => "规则名", "rule_text" => "规则描述",
                          "rule_regex" => "规则正则表达式", "rule_type" => "规则类型",
                          "datetime" => "时间");
        $table_config['default_show_column'] = array();
        foreach ($table_config['total_column'] as $column => $value) {
            array_push($table_config['default_show_column'], $column);
        }
        $table_config['ajax_url'] = 'log/ajax';
        return $this->view()->assign('table_config', $table_config)->display('admin/detect/log.tpl');
    }

    public function create($request, $response, $args)
    {
        return $this->view()->display('admin/detect/add.tpl');
    }

    public function add($request, $response, $args)
    {
        $rule = new DetectRule();
        $rule->name =  $request->getParam('name');
        $rule->text =  $request->getParam('text');
        $rule->regex =  $request->getParam('regex');
        $rule->type =  $request->getParam('type');

        if (!$rule->save()) {
            $rs['ret'] = 0;
            $rs['msg'] = "添加失败";
            return $response->getBody()->write(json_encode($rs));
        }

        Telegram::SendMarkdown("有新的审计规则：".$rule->name);

        $rs['ret'] = 1;
        $rs['msg'] = "添加成功";
        return $response->getBody()->write(json_encode($rs));
    }

    public function edit($request, $response, $args)
    {
        $id = $args['id'];
        $rule = DetectRule::find($id);
        return $this->view()->assign('rule', $rule)->display('admin/detect/edit.tpl');
    }

    public function update($request, $response, $args)
    {
        $id = $args['id'];
        $rule = DetectRule::find($id);

        $rule->name =  $request->getParam('name');
        $rule->text =  $request->getParam('text');
        $rule->regex =  $request->getParam('regex');
        $rule->type =  $request->getParam('type');

        if (!$rule->save()) {
            $rs['ret'] = 0;
            $rs['msg'] = "修改失败";
            return $response->getBody()->write(json_encode($rs));
        }

        Telegram::SendMarkdown("规则更新：".PHP_EOL.$request->getParam('name'));

        $rs['ret'] = 1;
        $rs['msg'] = "修改成功";
        return $response->getBody()->write(json_encode($rs));
    }


    public function delete($request, $response, $args)
    {
        $id = $request->getParam('id');
        $rule = DetectRule::find($id);
        if (!$rule->delete()) {
            $rs['ret'] = 0;
            $rs['msg'] = "删除失败";
            return $response->getBody()->write(json_encode($rs));
        }
        $rs['ret'] = 1;
        $rs['msg'] = "删除成功";
        return $response->getBody()->write(json_encode($rs));
    }

    public function ajax_rule($request, $response, $args)
    {
        $datatables = new Datatables(new DatatablesHelper());
        $datatables->query('Select id as op,id,name,text,regex,type from detect_list');

        $datatables->edit('op', function ($data) {
            return '<a class="btn btn-brand" href="/admin/detect/'.$data['id'].'/edit">编辑</a>
                    <a class="btn btn-brand-accent" id="delete" value="'.$data['id'].'" href="javascript:void(0);" onClick="delete_modal_show(\''.$data['id'].'\')">删除</a>';
        });

        $datatables->edit('type', function ($data) {
            return $data['type'] == 1 ? '数据包明文匹配' : '数据包十六进制匹配';
        });

        $body = $response->getBody();
        $body->write($datatables->generate());
    }

    public function ajax_log($request, $response, $args)
    {
        $datatables = new Datatables(new DatatablesHelper());
        $datatables->query('Select detect_log.id,user_id,user.user_name,node_id,node.name as node_name,list.id as rule_id,list.name as rule_name,list.text as rule_text,list.regex as rule_regex,list.type as rule_type,detect_log.datetime from detect_log,user,ss_node as node,detect_list as list where user.id=detect_log.user_id and node.id = detect_log.node_id and list.id = detect_log.list_id');

        $datatables->edit('rule_type', function ($data) {
            return $data['rule_type'] == 1 ? '数据包明文匹配' : '数据包十六进制匹配';
        });

        $datatables->edit('datetime', function ($data) {
            return date('Y-m-d H:i:s', $data['datetime']);
        });

        $body = $response->getBody();
        $body->write($datatables->generate());
    }
}