<?php
/**
 * Created by PhpStorm.
 * User: wanggb
 * Date: 2018/11/22
 * Time: 16:25
 */
namespace app\admin\controller\domain;

use app\common\constants\DomainBlackList;
use app\common\controller\Backend;
use app\common\library\Redis;
use app\common\service\BlacklistService;


class Blacklist extends Backend
{
    /**
     * @var \Redis
     */
    protected $redis = null;
    /**
     * @var \think\model\
     */
    protected $model = null;

    /**
     * @var BlacklistService
     */
    protected $blcklistservice = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->redis = Redis::instance();
        $this->model = model('Blacklist');
        $this->blcklistservice = BlacklistService::instance();
        $this->view->assign('typelist', $this->model->getTypeList());
        $this->view->assign('statuslist', $this->model->getStatusList());
    }

    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags']);
        if ($this->request->isAjax()) {
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                ->where($where)
                ->where('status','active')
                ->count();

            $list = $this->model
                ->where($where)
                ->where('status','active')
                ->limit($offset, $limit)
                ->select();

            $result = array("total" => $total, "rows" => $list);
            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 新增
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            $params['domain'] = $this->blcklistservice->formatDomain($params['domain']);
            $type = $params['type'];
            if ($params) {
                try {
                    if ($type == DomainBlackList::LOCKALLDOMAIN) {
                        // 整个链接
                        unset($params['param']);
                        unset($params['path']);
                    } elseif ($type == DomainBlackList::LOCKDOMAINBYPARAM) {
                        unset($params['path']);
                    } elseif ($type == DomainBlackList::LOCKDOMAINBYPATH) {
                        unset($params['param']);
                    }
                    $result = $this->model->save($params);
                    if ($result) {
                        $this->saveRedis($params);
                        $this->success();
                    }
                } catch (\think\exception\PDOException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error(__('Parameter %s can not be empty', ''));
            }
        }
        return $this->view->fetch();
    }

    /**
     * 保存Redis
     * @param $data
     */
    private function saveRedis($data)
    {
        $type = $data['type'];
        $status = $data['status']??'active';
        $redisKey = DomainBlackList::REDISPREFIX . $data['domain'];

        if ($status == DomainBlackList::STATUSACTIVE) {
            if ($type == DomainBlackList::LOCKALLDOMAIN) {
                $this->redis->hset($redisKey, $data['domain'], $type);
            } elseif ($type == DomainBlackList::LOCKDOMAINBYPARAM) {
                $this->redis->hset($redisKey, $data['param'], $type);
            } elseif ($type == DomainBlackList::LOCKDOMAINBYPATH) {
                $this->redis->hset($redisKey, $data['path'], $type);
            }
        }
    }


    /**
     * 删除
     */
    public function del($ids = NULL)
    {
        if ($ids) {
            $params = $this->model->get($ids);
            $params['domain'] = $this->blcklistservice->formatDomain($params['domain']);

            $redis_key = DomainBlackList::REDISPREFIX . $params['domain'];
            if ($params['type'] == DomainBlackList::LOCKALLDOMAIN) {
                $this->redis->hDel($redis_key, $params['domain']);
            } elseif ($params['type'] == DomainBlackList::LOCKDOMAINBYPARAM) {
                $this->redis->hDel($redis_key, $params['param']);
            } elseif ($params['type'] == DomainBlackList::LOCKDOMAINBYPATH) {
                $this->redis->hDel($redis_key, $params['path']);
            }

            try {
                $result = $this->model->save(['status' => 'inactive'], ['id' => $ids]);
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error('删除出错了！');
                }
            } catch (\think\exception\PDOException $e) {
                $this->error($e->getMessage());
            }
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }

    /**
     * 刷新Redis 缓存
     * @return false|string
     */
    public function refreshredis()
    {
        $key = DomainBlackList::REDISPREFIX . "*";
        try {
            $redis = Redis::instance();
            $redis::delScan($key);
            $res = $this->model->where('status', '=', 'active')
                ->select();
            foreach ($res as $val) {
                if ($val['type'] == DomainBlackList::LOCKALLDOMAIN) {
                    $redis->hset(DomainBlackList::REDISPREFIX . $val['domain'], $val['domain'], $val['type']);
                } elseif ($val['type'] == DomainBlackList::LOCKDOMAINBYPARAM) {
                    $redis->hset(DomainBlackList::REDISPREFIX . $val['domain'], $val['param'], $val['type']);
                } elseif ($val['type'] == DomainBlackList::LOCKDOMAINBYPATH) {
                    $redis->hset(DomainBlackList::REDISPREFIX . $val['domain'], $val['path'], $val['type']);
                }
            }
        } catch (\Exception $e) {
            Log::error('刷新域名黑名单缓存失败');
        }
        $arr = ['err' => 1];
        return json_encode($arr);
    }
}