<?php
/**
 * 平台控制器
 */
namespace app\admin\controller;
use Repository\LogRepository;

class WhiteIp extends Base
{
    // 白名单列表
    public function index()
    {
        if(request()->isAjax()){
            $param = input('param.');
            $limit = $param['pageSize'];
            $offset = ($param['pageNumber'] - 1) * $limit;

            try {
                $gdb = db('groups');
                $group_id = $gdb->where('admin_id', $this->admin_id)->value('id');
                if($this->is_root != true && empty($group_id)){
                    return json(['code' => -1, 'data' => '', 'msg' => '您没有该权限']);
                }
                $where = [];
                if ($this->is_root != true) {
                    $where['group_id'] = $group_id;
                } else {
                    if ($param['group_id'] != -1) {
                        $where['group_id'] = $param['group_id'];
                    }
                }
                if ($param['ip']) {
                    $where['ip'] = trim($param['ip']);
                }
                $data = db('white_ip')->where($where)->limit($offset, $limit)->order('id desc')->select();
                if ($data) {
                    $admin_id_arr = array_column($data, 'oper');
                    // 管理员名称
                    $admin_arr = db('admins')->where('id', 'in', $admin_id_arr)->column('user_name', 'id');

                    $group_id_arr = array_column($data, 'group_id');
                    // 平台名称
                    $group_arr = $gdb->where('id', 'in', $group_id_arr)->column('name', 'id');

                    foreach($data as $key => $vo){
                        // 生成操作按钮
                        $data[$key]['operate'] = $this->makeBtn($vo['id']);
                        // 管理员名称
                        $data[$key]['admin_name'] = isset($admin_arr[$vo['oper']]) ? $admin_arr[$vo['oper']] : '--';
                        // 平台名称
                        if ($vo['group_id']) {
                            $data[$key]['group_name'] = isset($group_arr[$vo['group_id']]) ? $group_arr[$vo['group_id']] : '--';
                        } else {
                            $data[$key]['group_name'] = '超管';
                        }
                    }
                }

                $return['total'] = db('white_ip')->where($where)->count();  //总数据
                $return['rows'] = $data;

                return json($return);
            } catch (\Exception $e){
                return json(['code' => -1, 'data' => '', 'msg' => $e->getMessage()]);
            }

        }

        $group_info = [];
        if ($this->is_root) {
            $group_info = db('groups')->where('status', 1)->column('name', 'id');
        }
//        var_dump($group_info);exit;
        $this->assign([
            'is_root' => $this->is_root ? 1 : 0,
            'group_info' => $group_info,
        ]);

        return $this->fetch();
    }

    // 添加
    public function add_white_ip()
    {
        if(request()->isPost()){

            $param = input('post.');

            try{
                if ($this->is_root) {
                    $group_id = $param['group_id'];
                } else {
                    $gdb = db('groups');
                    $group_id = $gdb->where('admin_id', $this->admin_id)->value('id');
                    if($this->is_root != true && empty($group_id)){
                        return json(['code' => -1, 'data' => '', 'msg' => '您没有该权限']);
                    }
                }
                $param['ip'] = htmlentities($param['ip']);
                $where = ['ip' => $param['ip'], 'group_id' => $group_id];
                $db_white_ip = db('white_ip');
                $has = $db_white_ip->field('id')->where($where)->find();
                if(!empty($has)){
                    return json(['code' => -1, 'data' => '', 'msg' => '该ip已经存在']);
                }

                // 先添加平台管理员
                $data = [
                    'ip' => $param['ip'],
                    'group_id' => $group_id,
                    'oper' => $this->admin_id,
                    'create_time' => date('Y-m-d H:i:s'),
                ];
                $add_id = $db_white_ip->insertGetId($data);

                if ($add_id) {
                    LogRepository::write('白名单管理', '添加ip--'.$param['ip']);
                    // 更新 redis
                    $this->_update_white_list($group_id);

                    return json(['code' => 1, 'data' => '', 'msg' => '添加成功']);
                }
            } catch (\Exception $e){
                return json(['code' => -2, 'data' => '', 'msg' => $e->getMessage()]);
            }
        }

        $group_info = [];
        if ($this->is_root) {
            $group_info = db('groups')->where('status', 1)->column('name', 'id');
        }
        $this->assign([
            'is_root' => $this->is_root ? 1 : 0,
            'group_info' => $group_info,
        ]);

        return $this->fetch('');
    }

    protected function _update_white_list($group_id)
    {
        // 更新 redis
        $db_white_ip = db('white_ip');
        $white_ip = $db_white_ip->where('group_id', $group_id)->column('ip');
        $redis = new \Redis();
        $redis->connect(config('cache.host'),config('cache.port'));
        $redis->auth(config('cache.password'));
        $redis->hSet('white_list', $group_id, json_encode($white_ip));
    }

    // 删除
    public function del_white_ip()
    {
        if(request()->isAjax()){
            try{
                $id = input('param.id/d');

                $db_white_ip = db('white_ip');
                $info = $db_white_ip->where('id', $id)->find();
                if (!$info) {
                    return json(['code' => -1, 'data' => '', 'msg' => '该ip已删除']);
                }

                // 只允许超管和平台管理员删除
                if (!$this->is_root) {
                    if ($this->role_name == '平台管理员') {
                        // 查看是否有权限删除
                        $group_id = db('groups')->where('admin_id', $this->admin_id)->value('id');

                        if ($group_id != $info['group_id']) {
                            return json(['code' => -1, 'data' => '', 'msg' => '您无权限，不可删除该ip']);
                        }
                    } else {
                        return json(['code' => -2, 'data' => '', 'msg' => '您无权限，不可删除该ip']);
                    }
                }

                $res = $db_white_ip->where('id', $id)->delete();
                if ($res) {
                    LogRepository::write('白名单管理', '平台id：'.$info['group_id'].',删除的ip--' . $info['ip']);
                    // 更新 redis
                    $this->_update_white_list($info['group_id']);

                    return json(['code' => 1, 'data' => '', 'msg' => '删除成功']);
                }
            } catch (\Exception $e){
                return json(['code' => -1, 'data' => '', 'msg' => $e->getMessage()]);
            }

            return json(['code' => -1, 'data' => '', 'msg' => '删除失败']);
        }
    }

    // 生成按钮
    private function makeBtn($id)
    {
        $operate = '';

//        if ($this->is_root) {
            $operate .= '<a href="javascript:userGroup(' . $id . ')"><button type="button" class="btn btn-danger btn-sm">';
            $operate .= '<i class="fa fa-trash-o"></i> 删除</button></a> ';
//        }

        //$operate .= '<a href="' . url('groups/manageUser') . '">';
        //$operate .= '<button type="button" class="btn btn-info btn-sm"><i class="fa fa-user-plus"></i> 管理组员</button></a>';

        return $operate;
    }
}