package RedisUtil

import (
	"dsSzxy/Utils/ConfigUtil"
	"github.com/go-redis/redis"
	"time"
)

var (
	RedisClient *redis.Client
	RedisHost   string
	RedisDb     int
)

func init() {
	// 从配置文件获取redis的ip以及db
	RedisHost = ConfigUtil.RedisIp + ":" + ConfigUtil.RedisPort
	RedisClient = redis.NewClient(&redis.Options{
		Addr: RedisHost,
		DB:   0, // use default DB
	})
}

func SET(key string, value string, expiration time.Duration) {
	RedisClient.Set(key, value, expiration*time.Second)
}

func GET(key string) (string, error) {
	val, err := RedisClient.Get(key).Result()
	return val, err
}

func EXPIRE(key string, expiration time.Duration) {
	RedisClient.Expire(key, expiration*time.Second)
}

func DEL(key string) {
	RedisClient.Del(key)
}

func HMSET(key string, fields map[string]interface{}) {
	RedisClient.HMSet(key, fields)
}

func HMGETALL(key string) map[string]string {
	resMap, _ := RedisClient.HGetAll(key).Result()
	return resMap
}

func HMGET(key string, fields []string) []interface{} {
	resMap, _ := RedisClient.HMGet(key, fields...).Result()
	return resMap
}