package com.stylefeng.guns.modular.system.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.stylefeng.guns.core.util.ToolUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;


/**
 * Redis工具类
 */
@Component
public class RedisUtil {

    @Autowired
    private RestTemplate internalRestTemplate;


    /**
     * 向redis中存储字符串没有过期时间
     * @param key
     * @param value
     */
    public void setStrValue(String key, String value){
        if(ToolUtil.isNotEmpty(key)){
            //发送验证码短信
            HttpHeaders headers = new HttpHeaders();
            // 以表单的方式提交
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            //将请求头部和参数合成一个请求
            MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
            params.add("key", key);
            params.add("value", value);
            HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
            String s = internalRestTemplate.postForObject("http://zuul-gateway/redis/setValue_", requestEntity, String.class);
            JSONObject jsonObject = JSON.parseObject(s, JSONObject.class);
            if(jsonObject.getIntValue("code") != 200){
                System.err.println("调用redis出错了");
            }
        }

    }


    /**
     * 以分钟为单位设置存储值（设置过期时间）
     * @param key
     * @param value
     * @param time 秒
     */
    public void setStrValue(String key, String value, int time){
        if(ToolUtil.isNotEmpty(key)){
            //发送验证码短信
            HttpHeaders headers = new HttpHeaders();
            // 以表单的方式提交
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            //将请求头部和参数合成一个请求
            MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
            params.add("key", key);
            params.add("value", value);
            params.add("time", String.valueOf(time));
            HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<>(params, headers);
            String s = internalRestTemplate.postForObject("http://zuul-gateway/redis/setValue", requestEntity, String.class);
            JSONObject jsonObject = JSON.parseObject(s, JSONObject.class);
            if(jsonObject.getIntValue("code") != 200){
                System.err.println("调用redis出错了");
            }
        }
    }


    /**
     * 从redis中获取值
     * @param key
     * @return
     */
    public String getValue(String key){
        if(ToolUtil.isNotEmpty(key)){
            HttpHeaders headers = new HttpHeaders();
            // 以表单的方式提交
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            //将请求头部和参数合成一个请求
            MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
            params.add("key", key);
            HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
            String s = internalRestTemplate.postForObject("http://zuul-gateway/redis/getValue",requestEntity , String.class);
            JSONObject jsonObject = JSON.parseObject(s, JSONObject.class);
            if(jsonObject.getIntValue("code") != 200){
                System.err.println("调用redis出错了");
            }
            return jsonObject.getString("data");
        }
        return null;
    }


    /**
     * 删除key
     * @param key
     */
    public String remove(String key){
        if(ToolUtil.isNotEmpty(key)){
            HttpHeaders headers = new HttpHeaders();
            // 以表单的方式提交
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            //将请求头部和参数合成一个请求
            MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
            params.add("key", key);
            HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
            String s = internalRestTemplate.postForObject("http://zuul-gateway/redis/remove",requestEntity , String.class);
            JSONObject jsonObject = JSON.parseObject(s, JSONObject.class);
            if(jsonObject.getIntValue("code") != 200){
                System.err.println("调用redis出错了");
            }
            return jsonObject.getString("data");
        }
        return null;
    }
}