package com.abin.mallchat.utils;

import cn.hutool.extra.spring.SpringUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.RedisConnectionUtils;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ZSetOperations.TypedTuple;
import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.data.redis.core.script.RedisScript;

import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Slf4j
public class RedisUtils {

    private static StringRedisTemplate stringRedisTemplate;

    static {
        RedisUtils.stringRedisTemplate = SpringUtil.getBean(StringRedisTemplate.class);
    }

    private static final String LUA_INCR_EXPIRE =
            "local key,ttl=KEYS[1],ARGV[1] \n" +
                    " \n" +
                    "if redis.call('EXISTS',key)==0 then   \n" +
                    "  redis.call('SETEX',key,ttl,1) \n" +
                    "  return 1 \n" +
                    "else \n" +
                    "  return tonumber(redis.call('INCR',key)) \n" +
                    "end ";

    public static Long inc(String key, int time, TimeUnit unit) {
        RedisScript<Long> redisScript = new DefaultRedisScript<>(LUA_INCR_EXPIRE, Long.class);
        return stringRedisTemplate.execute(redisScript, Collections.singletonList(key), String.valueOf(unit.toSeconds(time)));
    }

    public static Long ZSetGet(String key) {
        return stringRedisTemplate.opsForZSet().zCard(key);
    }

    public static void ZSetAddAndExpire(String key, long startTime, long expireTime, long currentTime) {
        stringRedisTemplate.opsForZSet().add(key, String.valueOf(currentTime), currentTime);
        // 删除周期之前的数据
        stringRedisTemplate.opsForZSet().removeRangeByScore(key, 0, startTime);
        // 过期时间窗口长度+时间间隔
        stringRedisTemplate.expire(key, expireTime, TimeUnit.MILLISECONDS);
    }

    /**
     * 指定缓存失效时间
     *
     * @param key  键
     * @param time 时间(秒)
     */
    public static Boolean expire(String key, long time) {
        try {
            if (time > 0) {
                stringRedisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
        return true;
    }

    /**
     * 指定缓存失效时间
     *
     * @param key      键
     * @param time     时间(秒)
     * @param timeUnit 单位
     */
    public static Boolean expire(String key, long time, TimeUnit timeUnit) {
        try {
            if (time > 0) {
                stringRedisTemplate.expire(key, time, timeUnit);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
        return true;
    }

    /**
     * 根据 key 获取过期时间
     *
     * @param key 键 不能为null
     * @return 时间(秒) 返回0代表为永久有效
     */
    public static Long getExpire(String key) {
        return stringRedisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    /**
     * 根据 key 获取过期时间
     *
     * @param key 键 不能为null
     * @return 时间(秒) 返回0代表为永久有效
     */
    public static Long getExpire(String key, TimeUnit timeUnit) {
        return stringRedisTemplate.getExpire(key, timeUnit);
    }

    /**
     * 查找匹配key
     *
     * @param pattern key
     * @return /
     */
    public static List<String> scan(String pattern) {
        ScanOptions options = ScanOptions.scanOptions().match(pattern).build();
        RedisConnectionFactory factory = stringRedisTemplate.getConnectionFactory();
        RedisConnection rc = Objects.requireNonNull(factory).getConnection();
        Cursor<byte[]> cursor = rc.scan(options);
        List<String> result = new ArrayList<>();
        while (cursor.hasNext()) {
            result.add(new String(cursor.next()));
        }
        try {
            RedisConnectionUtils.releaseConnection(rc, factory);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
        return result;
    }

    /**
     * 分页查询 key
     *
     * @param patternKey key
     * @param page       页码
     * @param size       每页数目
     * @return /
     */
    public static List<String> findKeysForPage(String patternKey, int page, int size) {
        ScanOptions options = ScanOptions.scanOptions().match(patternKey).build();
        RedisConnectionFactory factory = stringRedisTemplate.getConnectionFactory();
        RedisConnection rc = Objects.requireNonNull(factory).getConnection();
        Cursor<byte[]> cursor = rc.scan(options);
        List<String> result = new ArrayList<>(size);
        int tmpIndex = 0;
        int fromIndex = page * size;
        int toIndex = page * size + size;
        while (cursor.hasNext()) {
            if (tmpIndex >= fromIndex && tmpIndex < toIndex) {
                result.add(new String(cursor.next()));
                tmpIndex++;
                continue;
            }
            // 获取到满足条件的数据后,就可以退出了
            if (tmpIndex >= toIndex) {
                break;
            }
            tmpIndex++;
            cursor.next();
        }
        try {
            RedisConnectionUtils.releaseConnection(rc, factory);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
        return result;
    }

    /**
     * 判断key是否存在
     *
     * @param key 键
     * @return true 存在 false不存在
     */
    public static Boolean hasKey(String key) {
        try {
            return stringRedisTemplate.hasKey(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }


    /**
     * 删除缓存
     *
     * @param keys
     */
    public static void del(String... keys) {
        if (keys != null && keys.length > 0) {
            if (keys.length == 1) {
                Boolean result = stringRedisTemplate.delete(keys[0]);
                log.debug("--------------------------------------------");
                log.debug("删除缓存：" + keys[0] + "，结果：" + result);
            } else {
                Set<String> keySet = new HashSet<>();
                for (String key : keys) {
                    Set<String> stringSet = stringRedisTemplate.keys(key);
                    if (Objects.nonNull(stringSet) && !stringSet.isEmpty()) {
                        keySet.addAll(stringSet);
                    }
                }
                Long count = stringRedisTemplate.delete(keySet);
                log.debug("--------------------------------------------");
                log.debug("成功删除缓存：" + keySet);
                log.debug("缓存删除数量：" + count + "个");
            }
            log.debug("--------------------------------------------");
        }
    }

    public static void del(List<String> keys) {
        stringRedisTemplate.delete(keys);
    }

    // ============================String=============================

    /**
     * 普通缓存获取
     *
     * @param key 键
     * @return 值
     */
    private static String get(String key) {
        return key == null ? null : stringRedisTemplate.opsForValue().get(key);
    }

    /**
     * 普通缓存放入
     *
     * @param key   键
     * @param value 值
     * @return true成功 false失败
     */
    public static Boolean set(String key, Object value) {
        try {
            stringRedisTemplate.opsForValue().set(key, objToStr(value));
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    public static String getStr(String key) {
        return get(key, String.class);
    }

    public static <T> T get(String key, Class<T> tClass) {
        String s = get(key);
        return toBeanOrNull(s, tClass);
    }

    public static <T> List<T> mget(Collection<String> keys, Class<T> tClass) {
        List<String> list = stringRedisTemplate.opsForValue().multiGet(keys);
        if (Objects.isNull(list)) {
            return new ArrayList<>();
        }
        return list.stream().map(o -> toBeanOrNull(o, tClass)).collect(Collectors.toList());
    }

    static <T> T toBeanOrNull(String json, Class<T> tClass) {
        return json == null ? null : JsonUtils.toObj(json, tClass);
    }

    public static String objToStr(Object o) {
        return JsonUtils.toStr(o);
    }

    public static <T> void mset(Map<String, T> map, long time) {
        Map<String, String> collect = map.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, (e) -> objToStr(e.getValue())));
        stringRedisTemplate.opsForValue().multiSet(collect);
        map.forEach((key, value) -> {
            expire(key, time);
        });
    }


    /**
     * 普通缓存放入并设置时间
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒) time要大于0 如果time小于等于0 将设置无限期
     * @return true成功 false 失败
     */
    public static Boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                stringRedisTemplate.opsForValue().set(key, objToStr(value), time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 普通缓存放入并设置时间
     *
     * @param key      键
     * @param value    值
     * @param time     时间
     * @param timeUnit 类型
     * @return true成功 false 失败
     */
    public static Boolean set(String key, Object value, long time, TimeUnit timeUnit) {
        try {
            if (time > 0) {
                stringRedisTemplate.opsForValue().set(key, objToStr(value), time, timeUnit);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    // ================================Map=================================

    /**
     * HashGet
     *
     * @param key  键 不能为null
     * @param item 项 不能为null
     * @return 值
     */
    public static Object hget(String key, String item) {
        return stringRedisTemplate.opsForHash().get(key, item);
    }

    /**
     * 获取hashKey对应的所有键值
     *
     * @param key 键
     * @return 对应的多个键值
     */
    public static Map<Object, Object> hmget(String key) {
        return stringRedisTemplate.opsForHash().entries(key);

    }

    /**
     * HashSet
     *
     * @param key 键
     * @param map 对应多个键值
     * @return true 成功 false 失败
     */
    public static Boolean hmset(String key, Map<String, Object> map) {
        try {
            stringRedisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * HashSet 并设置时间
     *
     * @param key  键
     * @param map  对应多个键值
     * @param time 时间(秒)
     * @return true成功 false失败
     */
    public static Boolean hmset(String key, Map<String, Object> map, long time) {
        try {
            stringRedisTemplate.opsForHash().putAll(key, map);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 向一张hash表中放入数据,如果不存在将创建
     *
     * @param key   键
     * @param item  项
     * @param value 值
     * @return true 成功 false失败
     */
    public static Boolean hset(String key, String item, Object value) {
        try {
            stringRedisTemplate.opsForHash().put(key, item, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 向一张hash表中放入数据,如果不存在将创建
     *
     * @param key   键
     * @param item  项
     * @param value 值
     * @param time  时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
     * @return true 成功 false失败
     */
    public static Boolean hset(String key, String item, Object value, long time) {
        try {
            stringRedisTemplate.opsForHash().put(key, item, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 删除hash表中的值
     *
     * @param key  键 不能为null
     * @param item 项 可以使多个 不能为null
     */
    public static void hdel(String key, Object... item) {
        stringRedisTemplate.opsForHash().delete(key, item);
    }

    /**
     * 判断hash表中是否有该项的值
     *
     * @param key  键 不能为null
     * @param item 项 不能为null
     * @return true 存在 false不存在
     */
    public static Boolean hHasKey(String key, String item) {
        return stringRedisTemplate.opsForHash().hasKey(key, item);
    }

    /**
     * hash递增 如果不存在,就会创建一个 并把新增后的值返回
     *
     * @param key  键
     * @param item 项
     * @param by   要增加几(大于0)
     * @return
     */
    public static Double hincr(String key, String item, double by) {
        return stringRedisTemplate.opsForHash().increment(key, item, by);
    }

    /**
     * hash递减
     *
     * @param key  键
     * @param item 项
     * @param by   要减少记(小于0)
     * @return
     */
    public static Double hdecr(String key, String item, double by) {
        return stringRedisTemplate.opsForHash().increment(key, item, -by);
    }

    // ============================set=============================

    /**
     * 根据key获取Set中的所有值
     *
     * @param key 键
     * @return
     */
    public static Set<String> sGet(String key) {
        try {
            return stringRedisTemplate.opsForSet().members(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 根据value从一个set中查询,是否存在
     *
     * @param key   键
     * @param value 值
     * @return true 存在 false不存在
     */
    public static Boolean sHasKey(String key, Object value) {
        try {
            return stringRedisTemplate.opsForSet().isMember(key, value);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将数据放入set缓存
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public static Long sSet(String key, Object... values) {
        try {
            String[] s = new String[values.length];
            for (int i = 0; i < values.length; i++) {
                s[i] = objToStr(values[i]);
            }
            return stringRedisTemplate.opsForSet().add(key, s);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    /**
     * 将set数据放入缓存
     *
     * @param key    键
     * @param time   时间(秒)
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public static Long sSetAndTime(String key, long time, Object... values) {
        try {
            String[] s = new String[values.length];
            for (int i = 0; i < values.length; i++) {
                s[i] = objToStr(values[i]);
            }
            Long count = stringRedisTemplate.opsForSet().add(key, s);
            if (time > 0) {
                expire(key, time);
            }
            return count;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    /**
     * 获取set缓存的长度
     *
     * @param key 键
     * @return
     */
    public static Long sGetSetSize(String key) {
        try {
            return stringRedisTemplate.opsForSet().size(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    /**
     * 移除值为value的
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 移除的个数
     */
    public static Long setRemove(String key, Object... values) {
        try {
            return stringRedisTemplate.opsForSet().remove(key, values);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    // ===============================list=================================

    /**
     * 获取list缓存的内容
     *
     * @param key   键
     * @param start 开始
     * @param end   结束 0 到 -1代表所有值
     * @return
     */
    public static List<String> lGet(String key, long start, long end) {
        try {
            return stringRedisTemplate.opsForList().range(key, start, end);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 获取list缓存的长度
     *
     * @param key 键
     * @return
     */
    public static Long lGetListSize(String key) {
        try {
            return stringRedisTemplate.opsForList().size(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    /**
     * 通过索引 获取list中的值
     *
     * @param key   键
     * @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
     * @return
     */
    public static String lGetIndex(String key, long index) {
        try {
            return stringRedisTemplate.opsForList().index(key, index);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @return
     */
    public static Boolean lSet(String key, Object value) {
        try {
            stringRedisTemplate.opsForList().rightPush(key, objToStr(value));
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     * @return
     */
    public static Boolean lSet(String key, Object value, long time) {
        try {
            stringRedisTemplate.opsForList().rightPush(key, objToStr(value));
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @return
     */
    public static Boolean lSet(String key, List<Object> value) {
        try {
            List<String> list = new ArrayList<>();
            for (Object item : value) {
                list.add(objToStr(item));
            }
            stringRedisTemplate.opsForList().rightPushAll(key, list);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     * @return
     */
    public static Boolean lSet(String key, List<Object> value, long time) {
        try {
            List<String> list = new ArrayList<>();
            for (Object item : value) {
                list.add(objToStr(item));
            }
            stringRedisTemplate.opsForList().rightPushAll(key, list);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 根据索引修改list中的某条数据
     *
     * @param key   键
     * @param index 索引
     * @param value 值
     * @return /
     */
    public static Boolean lUpdateIndex(String key, long index, Object value) {
        try {
            stringRedisTemplate.opsForList().set(key, index, objToStr(value));
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 移除N个值为value
     *
     * @param key   键
     * @param count 移除多少个
     * @param value 值
     * @return 移除的个数
     */
    public static Long lRemove(String key, long count, Object value) {
        try {
            return stringRedisTemplate.opsForList().remove(key, count, value);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0L;
        }
    }

    /**
     * @param prefix 前缀
     * @param ids    id
     */
    public void delByKeys(String prefix, Set<Long> ids) {
        Set<String> keys = new HashSet<>();
        for (Long id : ids) {
            Set<String> stringSet = stringRedisTemplate.keys(prefix + id);
            if (Objects.nonNull(stringSet) && !stringSet.isEmpty()) {
                keys.addAll(stringSet);
            }
        }
        Long count = stringRedisTemplate.delete(keys);
        // 此处提示可自行删除
        log.debug("--------------------------------------------");
        log.debug("成功删除缓存：" + keys.toString());
        log.debug("缓存删除数量：" + count + "个");
        log.debug("--------------------------------------------");
    }
    /**------------------zSet相关操作--------------------------------*/

    /**
     * 添加元素,有序集合是按照元素的score值由小到大排列
     *
     * @param key
     * @param value
     * @param score
     * @return
     */
    public static Boolean zAdd(String key, String value, double score) {
        return stringRedisTemplate.opsForZSet().add(key, value, score);
    }

    public static Boolean zAdd(String key, Object value, double score) {
        return zAdd(key, value.toString(), score);
    }

    public static Boolean zIsMember(String key, Object value) {
        return Objects.nonNull(stringRedisTemplate.opsForZSet().score(key, value.toString()));
    }

    /**
     * @param key
     * @param values
     * @return
     */
    public Long zAdd(String key, Set<TypedTuple<String>> values) {
        return stringRedisTemplate.opsForZSet().add(key, values);
    }

    /**
     * @param key
     * @param values
     * @return
     */
    public static Long zRemove(String key, Object... values) {
        return stringRedisTemplate.opsForZSet().remove(key, values);
    }

    public static Long zRemove(String key, Object value) {
        return zRemove(key, value.toString());
    }

    public static Long zRemove(String key, String value) {
        return stringRedisTemplate.opsForZSet().remove(key, value);
    }

    /**
     * 增加元素的score值，并返回增加后的值
     *
     * @param key
     * @param value
     * @param delta
     * @return
     */
    public static Double zIncrementScore(String key, String value, double delta) {
        return stringRedisTemplate.opsForZSet().incrementScore(key, value, delta);
    }

    /**
     * 返回元素在集合的排名,有序集合是按照元素的score值由小到大排列
     *
     * @param key
     * @param value
     * @return 0表示第一位
     */
    public static Long zRank(String key, Object value) {
        return stringRedisTemplate.opsForZSet().rank(key, value);
    }

    /**
     * 返回元素在集合的排名,按元素的score值由大到小排列
     *
     * @param key
     * @param value
     * @return
     */
    public static Long zReverseRank(String key, Object value) {
        return stringRedisTemplate.opsForZSet().reverseRank(key, value);
    }

    /**
     * 获取集合的元素, 从小到大排序
     *
     * @param key
     * @param start 开始位置
     * @param end   结束位置, -1查询所有
     * @return
     */
    public static Set<String> zRange(String key, long start, long end) {
        return stringRedisTemplate.opsForZSet().range(key, start, end);
    }

    public static Set<String> zAll(String key) {
        return stringRedisTemplate.opsForZSet().range(key, 0, -1);
    }

    /**
     * 获取集合元素, 并且把score值也获取
     *
     * @param key
     * @param start
     * @param end
     * @return
     */
    public static Set<TypedTuple<String>> zRangeWithScores(String key, long start,
                                                           long end) {
        return stringRedisTemplate.opsForZSet().rangeWithScores(key, start, end);
    }

    /**
     * 根据Score值查询集合元素
     *
     * @param key
     * @param min 最小值
     * @param max 最大值
     * @return
     */
    public static Set<String> zRangeByScore(String key, double min, double max) {
        return stringRedisTemplate.opsForZSet().rangeByScore(key, min, max);
    }

    /**
     * 根据Score值查询集合元素, 从小到大排序
     *
     * @param key
     * @param min 最小值
     * @param max 最大值
     * @return
     */
    public static Set<TypedTuple<String>> zRangeByScoreWithScores(String key,
                                                                  Double min, Double max) {
        if (Objects.isNull(min)) {
            min = Double.MIN_VALUE;
        }
        if (Objects.isNull(max)) {
            max = Double.MAX_VALUE;
        }
        return stringRedisTemplate.opsForZSet().rangeByScoreWithScores(key, min, max);
    }

    /**
     * @param key
     * @param min
     * @param max
     * @param start
     * @param end
     * @return
     */
    public static Set<TypedTuple<String>> zRangeByScoreWithScores(String key,
                                                                  double min, double max, long start, long end) {
        return stringRedisTemplate.opsForZSet().rangeByScoreWithScores(key, min, max,
                start, end);
    }

    /**
     * 获取集合的元素, 从大到小排序
     *
     * @param key
     * @param start
     * @param end
     * @return
     */
    public static Set<String> zReverseRange(String key, long start, long end) {
        return stringRedisTemplate.opsForZSet().reverseRange(key, start, end);
    }

//    /**
//     * 获取集合的元素, 从大到小排序, 并返回score值
//     *
//     * @param key
//     * @param start
//     * @param end
//     * @return
//     */
//    public Set<TypedTuple<String>> zReverseRangeWithScores(String key,
//                                                           long start, long end) {
//        return redisTemplate.opsForZSet().reverseRangeWithScores(key, start,
//                end);
//    }

    /**
     * 获取集合的元素, 从大到小排序, 并返回score值
     *
     * @param key
     * @param pageSize
     * @return
     */
    public static Set<TypedTuple<String>> zReverseRangeWithScores(String key,
                                                                  long pageSize) {
        return stringRedisTemplate.opsForZSet().reverseRangeByScoreWithScores(key, Double.MIN_VALUE,
                Double.MAX_VALUE, 0, pageSize);
    }

    /**
     * @param key
     * @param max
     * @param pageSize
     * @return
     */
    public static Set<TypedTuple<String>> zReverseRangeByScoreWithScores(String key,
                                                                         double max, long pageSize) {
        return stringRedisTemplate.opsForZSet().reverseRangeByScoreWithScores(key, Double.MIN_VALUE, max,
                1, pageSize);
    }

//    /**
//     * 根据Score值查询集合元素, 从大到小排序
//     *
//     * @param key
//     * @param min
//     * @param max
//     * @return
//     */
//    public Set<String> zReverseRangeByScore(String key, double min,
//                                            double max) {
//        return redisTemplate.opsForZSet().reverseRangeByScore(key, min, max);
//    }

//    /**
//     * 根据Score值查询集合元素, 从大到小排序
//     *
//     * @param key
//     * @param min
//     * @param max
//     * @return
//     */
//    public Set<TypedTuple<String>> zReverseRangeByScoreWithScores(
//            String key, double min, double max) {
//        return redisTemplate.opsForZSet().reverseRangeByScoreWithScores(key,
//                min, max);
//    }


    /**
     * 根据score值获取集合元素数量
     *
     * @param key
     * @param min
     * @param max
     * @return
     */
    public static Long zCount(String key, double min, double max) {
        return stringRedisTemplate.opsForZSet().count(key, min, max);
    }

    /**
     * 获取集合大小
     *
     * @param key
     * @return
     */
    public static Long zSize(String key) {
        return stringRedisTemplate.opsForZSet().size(key);
    }

    /**
     * 获取集合大小
     *
     * @param key
     * @return
     */
    public static Long zCard(String key) {
        return stringRedisTemplate.opsForZSet().zCard(key);
    }

    /**
     * 获取集合中value元素的score值
     *
     * @param key
     * @param value
     * @return
     */
    public static Double zScore(String key, Object value) {
        return stringRedisTemplate.opsForZSet().score(key, value);
    }

    /**
     * 移除指定索引位置的成员
     *
     * @param key
     * @param start
     * @param end
     * @return
     */
    public static Long zRemoveRange(String key, long start, long end) {
        return stringRedisTemplate.opsForZSet().removeRange(key, start, end);
    }

    /**
     * 根据指定的score值的范围来移除成员
     *
     * @param key
     * @param min
     * @param max
     * @return
     */
    public static Long zRemoveRangeByScore(String key, double min, double max) {
        return stringRedisTemplate.opsForZSet().removeRangeByScore(key, min, max);
    }

    /**
     * 获取key和otherKey的并集并存储在destKey中
     *
     * @param key
     * @param otherKey
     * @param destKey
     * @return
     */
    public static Long zUnionAndStore(String key, String otherKey, String destKey) {
        return stringRedisTemplate.opsForZSet().unionAndStore(key, otherKey, destKey);
    }

    /**
     * @param key
     * @param otherKeys
     * @param destKey
     * @return
     */
    public static Long zUnionAndStore(String key, Collection<String> otherKeys,
                                      String destKey) {
        return stringRedisTemplate.opsForZSet()
                .unionAndStore(key, otherKeys, destKey);
    }

    /**
     * 交集
     *
     * @param key
     * @param otherKey
     * @param destKey
     * @return
     */
    public static Long zIntersectAndStore(String key, String otherKey,
                                          String destKey) {
        return stringRedisTemplate.opsForZSet().intersectAndStore(key, otherKey,
                destKey);
    }

    /**
     * 交集
     *
     * @param key
     * @param otherKeys
     * @param destKey
     * @return
     */
    public static Long zIntersectAndStore(String key, Collection<String> otherKeys,
                                          String destKey) {
        return stringRedisTemplate.opsForZSet().intersectAndStore(key, otherKeys,
                destKey);
    }

}
