package com.moral.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.moral.common.BooleanValueFilter;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

@Component
public class RedisUtils {
    private static final String AlarmPrefix = "alarm_";
    public static String getAlarmKey(int organizationId){
       return AlarmPrefix+organizationId;
    }
    private static final String Adjust = "adjust_";
    public static String getAdjustKey(String mac){
        return Adjust + mac;
    }
    @Resource
    private RedisTemplate redisTemplate;
    @Resource
    private BooleanValueFilter javaTypePatchValueFilter;
    /**
     * 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;
    }
    /**
     * 读取缓存,返回指定类型
     *
     * @param key
     * @return
     */
    public  <T>T get(String key,Class<T> clazz) {
      	Object obj = get(key);
      	String json = obj!=null?obj.toString():null;
      	if(json!=null) {
      		return (T) parseObject(json,clazz);
      	}
      	return null;
      }
    /**
     * 读取缓存,返回指定类型
     *
     * @param key
     * @return
     */
      public  <T>T get(String key,TypeReference typeReference) {
      	Object obj = get(key);
      	String json = obj!=null?obj.toString():null;
      	if(json!=null) {
      		return (T) parseObject(json,typeReference);
      	}
      	return null;
      }
      private static <T>T parseObject(String key,Class<T> clazz) {
          return (T) JSON.parseObject(key,clazz);
     }
      private static <T>T parseObject(String key,TypeReference typeReference) {
    	   return (T) JSON.parseObject(key,typeReference);
      }
      public <T> List<T> getList(String pattern,TypeReference typeReference){
    	  List<String> jsonList = getList(pattern);
    	  List<T>  list = new ArrayList<T>();
    	  for(String json:jsonList) {
    		     list.add((T)parseObject(json,typeReference));
    	  }
    	  return list;
      }
      public <T> List<T> getList(String pattern,Class<T> clazz){
    	  List<String> jsonList = getList(pattern);
    	  List<T>  list = new ArrayList<>();
    	  for(String json:jsonList) {
    		     list.add(parseObject(json,clazz));
    	  }
    	  return list;
      }
      public List<String> getList(String pattern){
    	  Set<String> keys = keys(pattern);
    	  List<String> list = new ArrayList<String>();
    	  for(String key:keys) {
    		 Object obj = get(key);
    		 String json = obj!=null?obj.toString():null;
    		 if(json!=null) {
    			 list.add(json);
    		 }
    	  }
    	  return list;
      }
      public Set<String> keys(String pattern) {
      	return redisTemplate.keys(pattern);
      }
    /**
     * 写入缓存
     *
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        RedisSerializer stringSerializer = new StringRedisSerializer();
        redisTemplate.setKeySerializer(stringSerializer);
        redisTemplate.setValueSerializer(stringSerializer);
        redisTemplate.setHashKeySerializer(stringSerializer);
        redisTemplate.setHashValueSerializer(stringSerializer);
        this.redisTemplate = redisTemplate;
        try {
        	if(value!=null&&!(value instanceof String)) {
        		value = JSON.toJSONString(value,new BooleanValueFilter());
        	}
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

}