<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); 

class Myredis{
	
    private $redis;
    private $config;
    /**
     * 初始化Redis 
     * @param array $config 
     */
    public function __construct($param = array()) {
        $this->init($param);

    }

    public function init($param = array()) {

        if($param['host'] && $param['port']) {

            $this->config = $param;

        } else {
            $CI =& get_instance();
			if ($CI->config->load('redis')){
				$host = $CI->config->item('host');
				$port = $CI->config->item('port');
				if($host && $port){
					$this->config['host'] = $host;
					$this->config['port'] = $port;
				}else{
					return false;
				}
            }else{
                return false;
            }

        }
        $this->redis = new Redis();
        $this->redis->connect($this->config['host'], $this->config['port']);

    }

    /** 
     * 设置值 
     * @param string $key KEY名称 
     * @param string|array $value 获取得到的数据 
     * @param int $timeOut 时间 
     */  
    public function save($key, $value, $timeOut = 0) {
        $value = json_encode($value);
        $retRes = $this->redis->set($key, $value);
        if ($timeOut > 0) $this->redis->setTimeout($key, $timeOut);
        return $retRes;
    }  

    /** 
     * 通过KEY获取数据 
     * @param string $key KEY名称 
     */  
    public function get($key) {
        $result = $this->redis->get($key);
        return json_decode($result, TRUE);
    }

    /**
     * 获取一组Key
     * @param $key
     * @return mixed
     */
    public function keys($key) {

        return $this->redis->keys($key);

    }

    /** 
     * 删除一条数据 
     * @param string $key KEY名称 
     */  
    public function delete($key) {
        return $this->redis->delete($key);
    }

    /** 
     * 清空数据 
     */  
    public function flushAll() {
        return $this->redis->flushAll();
    }

    /** 
     * 数据入队列 
     * @param string $key KEY名称 
     * @param string|array $value 获取得到的数据 
     * @param bool $right 是否从右边开始入 
     */  
    public function push($key, $value ,$right = true) {
        $value = json_encode($value);
        return $right ? $this->redis->rPush($key, $value) : $this->redis->lPush($key, $value);
    }

    /** 
     * 数据出队列 
     * @param string $key KEY名称 
     * @param bool $left 是否从左边开始出数据 
     */  
    public function pop($key , $left = true) {
        $val = $left ? $this->redis->lPop($key) : $this->redis->rPop($key);
        return json_decode($val);
    }  

    /** 
     * 数据自增 
     * @param string $key KEY名称 
     */  
    public function increment($key) {
        return $this->redis->incr($key);
    }  

    /** 
     * 数据自减 
     * @param string $key KEY名称 
     */  
    public function decrement($key) {
        return $this->redis->decr($key);
    }  

    /** 
     * key是否存在，存在返回ture 
     * @param string $key KEY名称 
     */  
    public function exists($key) {
        return $this->redis->exists($key);
    }

    /**
     * 数值+$num
     * @param $key
     * @param $num
     */
    public function calculate($key,$num){
        $result = $this->redis->get($key);
        $data =  json_decode($result, TRUE);
        $this->redis->set($key,doubleval(($data?$data:0))+doubleval($num));
    }

    public function hget($key,$filed)
    {
        return $this->redis->hGet($key,$filed);
    }

    public function hset($key,$filed,$count,$time_out=0){
        $res = $this->redis->hSet($key,$filed,$count);
        if($time_out>0){
            $this->redis->setTimeout($key,$time_out);
        }
        return $res;
    }



    /** 
     * 返回redis对象 
     * redis有非常多的操作方法，我们只封装了一部分 
     * 拿着这个对象就可以直接调用redis自身方法 
     */  
    public function redis() {
        return $this->redis;
    }

//    public function setRedisFLK($shop_id,$order_id,$status,$order_info=array()){
//        $this->redis->select(4);
//        $this->redis->hSet('FLK_order_status_'.$shop_id, $order_id, $status);
//        if(count($order_info)){
//            $order_info_data = json_encode($order_info);
//            $this->redis->hSet('FLK_order_info_'.$shop_id, $order_id, $order_info_data);
//        }
//    }
//
//    public function getRedisFLK($shop_id,$order_id){
//        $this->redis->select(4);
//        $res['status'] = $this->redis->hGet('FLK_order_status_'.$shop_id,$order_id);
//        $res['order_info'] = $this->redis->hGet('FLK_order_info_'.$shop_id,$order_id);
//        return $res;
//    }
//
//
//    /**
//     * 增加品牌的评论数
//     * @param $brand_id
//     */
//    public function setBrandOrderComment($brand_id){
//        $brand_id = "brand_id:".$brand_id;
//        $this->redis->select(4);
//        return $this->redis->hIncrBy('FLK_brand_order_comment',$brand_id,1);
//    }
//    //获取品牌的评论数
//    public function getBrandOrderComment($brand_id){
//        $brand_id = "brand_id:".$brand_id;
//        $this->redis->select(4);
//        $count = $this->redis->hGet('FLK_brand_order_comment',$brand_id);
//        return intval($count);
//    }
//    //设置品牌的好评
//    public function setBrandOrderGoodComment($brand_id){
//        $brand_id = "brand_id:".$brand_id;
//        $this->redis->select(4);
//        $this->redis->hIncrBy('FLK_brand_order_good_comment',$brand_id,1);
//    }
//    //获取品牌的好评
//    public function getBrandOrderGoodComment($brand_id){
//        $brand_id = "brand_id:".$brand_id;
//        $this->redis->select(4);
//        $count = $this->redis->hGet('FLK_brand_order_good_comment',$brand_id);
//        return intval($count);
//    }
//
//
//
//    //设置服务的好评
//    public function setItemGoodComment($item_id){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        $this->redis->hIncrBy('FLK_item_good_comment',$brand_id,1);
//    }
//    //获取服务的好评
//    public function getItemGoodComment($item_id){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        $count = $this->redis->hGet('FLK_item_good_comment',$brand_id);
//        return intval($count);
//    }
//    //设置服务的评论
//    public function setItemComment($item_id){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        return $this->redis->hIncrBy('FLK_item_comment',$brand_id,1);
//    }
//    //获取服务的评论
//    public function getItemComment($item_id){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        $count = $this->redis->hGet('FLK_item_comment',$brand_id);
//        return intval($count);
//    }
//
//    /**
//     * 设置服务好评总数
//     * @param $item_id
//     * @param $count
//     */
//    public function setItemTotalGoodComment($item_id,$count){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        $this->redis->hSet('FLK_item_good_comment',$brand_id,$count);
//    }
//    /**
//     * 设置服务评论总数
//     * @param $item_id
//     * @param $count
//     */
//    public function setItemTotalComment($item_id,$count){
//        $brand_id = "item_id:".$item_id;
//        $this->redis->select(4);
//        $this->redis->hSet('FLK_item_comment',$brand_id,$count);
//    }

}
?>