<?php
defined('BASEPATH') OR exit('No direct script access allowed');
/**
 * Created by PhpStorm.
 * User: xuxb
 * Date: 2019/12/23
 * Time: 10:51
 */
class Cache extends CI_Controller{

    /**
     * @param $method
     * @param string $version
     */
    function _remap($method, $version = ''){
        $segments = array_slice($this->uri->segment_array(), 2);

        if('redis' == $method){
            $this->get_redis($segments);
        }

    }

    function get_redis($params){
        list($method, $key, $p1, $p2, $p3) = $params;

        if(!$key){
            exit('key is null');
        }

        $r = &load_cache('redis');
        $redis = $r->redis();

        switch(strtolower($method)){
            case 'keys':
                $ret = $redis->keys('*'.$key.'*');
                break;
            case 'get':
                $ret = $redis->get($key);
                break;
            case 'smembers':
                $ret = $redis->sMembers($key);
                break;
            case 'sismember':
                $ret = $redis->sIsMember($key, $p1);
                break;
            case 'scard':
                $ret = $redis->sCard($key);
                break;
            case 'zrange':
                $ret = $redis->zRange($key, $p1, $p2, true);
                break;
            case 'zrangebyscore':
                $ret = $redis->zRangeByScore($key, $p1, $p2);
                break;
            case 'llen':
                $ret = $redis->lLen($key);
                break;
            case 'lindex':
                $ret = $redis->lIndex($key, $p1);
                break;
            case 'lrange':
                $ret = $redis->lRange($key, $p1, $p2);
                break;
            default:
                exit("method forbidden");
        }

        if(is_string($ret)){
            $json = json_decode($ret, true);
            json_last_error() == JSON_ERROR_NONE && $ret = $json;
        }

        $data = array('params' => $params, 'ret' => $ret);

        echo json_encode($data);
        exit;
    }
}