using System.Collections.Generic;
using Library;

namespace MySystem
{
    public class RedisDbconn
    {
        public readonly static RedisDbconn Instance = new RedisDbconn();
        private RedisDbconn()
        {
            var csredis = new CSRedis.CSRedisClient(ConfigurationManager.AppSettings["RedisConnStr"].ToString());
            //初始化 RedisHelper
            RedisHelper.Initialization(csredis);
        }

        #region 设置单个字段
        public bool Set(string key, object value)
        {
            return RedisHelper.Set(key, value);
            // return false;
        }
        #endregion

        #region 整数累加
        public long AddInt(string key, long value = 1)
        {
            return RedisHelper.IncrBy(key, value);
            // return 0;
        }
        #endregion

        #region 数字累加
        public decimal AddNumber(string key, decimal value = 1)
        {
            return RedisHelper.IncrByFloat(key, value);
            // return 0;
        }
        #endregion

        #region 获取单个字段
        public T Get<T>(string key)
        {
            return RedisHelper.Get<T>(key);
        }
        #endregion

        #region 设置散列字段
        public bool HSet(string key, string field, object value)
        {
            return RedisHelper.HSet(key, field, value);
            // return false;
        }
        #endregion

        #region 散列整数累加
        public long HAddInt(string key, string field, long value = 1)
        {
            return RedisHelper.HIncrBy(key, field, value);
            // return 0;
        }
        #endregion

        #region 散列数字累加
        public decimal HAddNumber(string key, string field, decimal value = 1)
        {
            return RedisHelper.HIncrByFloat(key, field, value);
            // return 0;
        }
        #endregion

        #region 获取散列元素
        public T HGet<T>(string key, string field)
        {
            return RedisHelper.HGet<T>(key, field);
        }
        #endregion

        #region 获取散列所有元素
        public Dictionary<string, T> HGetAll<T>(string key)
        {
            return RedisHelper.HGetAll<T>(key);
        }
        #endregion

        #region 添加列表对象
        public long AddList(string key, object value)
        {
            return RedisHelper.LPush(key, value);
            // return 0;
        }
        public long AddList(string key, object[] value)
        {
            return RedisHelper.LPush(key, value);
            // return 0;
        }
        public long AddRightList(string key, object value)
        {
            return RedisHelper.RPush(key, value);
            // return 0;
        }
        public T RPop<T>(string key)
        {
            return RedisHelper.RPop<T>(key);
        }
        #endregion

        #region 添加集合对象
        public long SAdd(string key, object value)
        {
            return RedisHelper.SAdd(key, value);
            // return 0;
        }
        public long SAdd(string key, object[] value)
        {
            return RedisHelper.SAdd(key, value);
            // return 0;
        }
        #endregion

        #region 获取集合对象
        public T[] SGetList<T>(string key)
        {
            return RedisHelper.SMembers<T>(key);
        }
        #endregion

        #region 修改列表对象
        public bool SetList(string key, int index, object value)
        {
            return RedisHelper.LSet(key, index, value);
            // return false;
        }
        #endregion

        #region 获取列表
        public List<T> GetList<T>(string key, int pageNum = 1, int pageSize = 10)
        {
            int start = (pageNum - 1) * pageSize;
            int end = start + pageSize - 1;
            string[] list = RedisHelper.LRange(key, start, end);
            List<T> lists = new List<T>();
            foreach (string record in list)
            { 
                lists.Add(Newtonsoft.Json.JsonConvert.DeserializeObject<T>(record));
            }
            return lists;
        }
        #endregion

        #region 移除列表对象
        public long DelFromList(string key, object value, int count = 1)
        {
            return RedisHelper.LRem(key, count, value);
        }
        #endregion

        #region 移动列表元素位置
        public T RPopLPush<T>(string key, string tokey)
        {
            return RedisHelper.RPopLPush<T>(key, tokey);
        }
        #endregion

        #region 添加排序列表对象
        public long AddSort(string key, object value, decimal score)
        {
            return RedisHelper.ZAdd(key, (score, value));
            // return 0;
        }
        #endregion

        #region 获取排序列表
        public List<T> GetSort<T>(string key, int pageNum = 1, int pageSize = 10)
        {
            int start = (pageNum - 1) * pageSize;
            int end = start + pageSize;
            string[] list = RedisHelper.ZRangeByScore(key, start, end);
            List<T> lists = new List<T>();
            foreach (string record in list)
            { 
                lists.Add(Newtonsoft.Json.JsonConvert.DeserializeObject<T>(record));
            }
            return lists;
        }
        public List<T> GetSortDesc<T>(string key, int pageNum = 1, int pageSize = 10)
        {
            int start = (pageNum - 1) * pageSize;
            int end = start + pageSize;
            string[] list = RedisHelper.ZRevRangeByScore(key, start, end);
            List<T> lists = new List<T>();
            foreach (string record in list)
            { 
                lists.Add(Newtonsoft.Json.JsonConvert.DeserializeObject<T>(record));
            }
            return lists;
        }
        #endregion

        public bool Remove(string key, long start, long end)
        {
            return RedisHelper.LTrim(key, start, end);
        }

        public bool RemoveTop(string key, long count)
        {
            return RedisDbconn.Instance.Remove(key, count, RedisDbconn.Instance.Count(key) - 1);;
        }

        public long Count(string key)
        {
            return RedisHelper.LLen(key);
        }

        public void Clear(string pattern)
        {
            string[] keys = RedisHelper.Keys(pattern);
            RedisHelper.Del(keys);
        }

        public string[] GetKeys(string pattern)
        { 
            string[] keys = RedisHelper.Keys(pattern);
            return keys;
        }

        public void SetExpire(string key, int expire)
        { 
            RedisHelper.Expire(key, expire); //秒为单位
        }
    }
}