package com.gkhy.safePlatform.account.utils;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.redis.connection.RedisClusterConnection;
import org.springframework.data.redis.connection.RedisClusterNode;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisClusterConnection;
import org.springframework.data.redis.connection.jedis.JedisConnection;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
* @Description: redis工具类
*/

@Repository("accountRedisRepository")
@SuppressWarnings(value = { "unchecked", "rawtypes" })
public class RedisUtils {


    @Resource
    private RedisTemplate redisTemplate;
    /**
     * logger
     */
    private final Logger logger = LoggerFactory.getLogger(this.getClass());


    @PostConstruct
    public void initRepository(){
        try {
            this.set("test:module:Account", "testConnection", 60L, TimeUnit.SECONDS);
            logger.info("[ModuleRedis][Account] is connected");
        } catch (Exception e) {
            logger.error("[ModuleRedis][Account] connected failed!!");
        }
    }


    /**
     * 写入缓存
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 写入缓存设置时效时间
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value, Long expireTime ,TimeUnit timeUnit) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, timeUnit);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 批量删除对应的value
     * @param keys
     */
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }
    /**
     * 批量删除key
     * @param pattern
     */
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0){
            redisTemplate.delete(keys);
        }
    }
    /**
     * 删除对应的value
     * @param key
     */
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }
    /**
     * 判断缓存中是否有对应的value
     * @param key
     * @return
     */
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }
    /**
     * 读取缓存
     * @param key
     * @return
     */
    public Object get(final String key) {
        Object result = null;
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        result = operations.get(key);
        return result;
    }
    /**
     * 哈希 添加
     * @param key
     * @param hashKey
     * @param value
     */
    public void hmSet(String key, Object hashKey, Object value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key,hashKey,value);
    }
    /**
     * 哈希获取数据
     * @param key
     * @param hashKey
     * @return
     */
    public Object hmGet(String key, Object hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        return hash.get(key,hashKey);
    }
    /**
     * 列表添加
     * @param k
     * @param v
     */
    public void lPush(String k,Object v){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k,v);
    }
    /**
     * 列表获取
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<Object> lRange(String k, long l, long l1){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k,l,l1);
    }
    /**
     * 集合添加
     * @param key
     * @param value
     */
    public void add(String key,Object value){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key,value);
    }
    /**
     * 集合获取
     * @param key
     * @return
     */
    public Set<Object> setMembers(String key){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }
    /**
     * 有序集合添加
     * @param key
     * @param value
     * @param scoure
     */
    public void zAdd(String key,Object value,double scoure){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key,value,scoure);
    }
    /**
     * 有序集合获取
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<Object> rangeByScore(String key,double scoure,double scoure1){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

    /**
    * @Description: 获取过期时间 返回 秒
    */

    public Long getExpireTime(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }


    /**
     * @Description: 重置key 的 过期时间
     */
    public void resetKeyExpireTime(String key, Long seconds) {
        redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
    }

    public  Set<String> scanMatch(String matchKey) {
    Set<String> keys = new HashSet();
    RedisConnectionFactory connectionFactory = redisTemplate.getConnectionFactory();
    RedisConnection redisConnection = connectionFactory.getConnection();
    Cursor<byte[]> scan = null;
        if(redisConnection instanceof JedisClusterConnection){
        RedisClusterConnection clusterConnection = connectionFactory.getClusterConnection();
        Iterable<RedisClusterNode> redisClusterNodes = clusterConnection.clusterGetNodes();
        Iterator<RedisClusterNode> iterator = redisClusterNodes.iterator();
        while (iterator.hasNext()) {
            RedisClusterNode next = iterator.next();
            scan = clusterConnection.scan(next, ScanOptions.scanOptions().match(matchKey).count(Integer.MAX_VALUE).build());
            while (scan.hasNext()) {
                keys.add(new String(scan.next()));
            }
            scan.close();
        }
        return keys;
    }
        if(redisConnection instanceof JedisConnection){
        scan = redisConnection.scan(ScanOptions.scanOptions().match(matchKey).count(Integer.MAX_VALUE).build());
        while (scan.hasNext()){
            //找到一次就添加一次
            keys.add(new String(scan.next()));
        }
            scan.close();
            return keys;
    }

        return keys;
}

}