using CSRedis;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using static CSRedis.CSRedisClient;

namespace Common
{
    /// <summary>
    /// Redis缓存辅助类
    /// </summary>
    public class CSRedisCacheHelper
    {
        public static CSRedisClient? redis;
        public static CSRedisClient? redis14;
        public static CSRedisClient? redis15;

        private const string ip = "127.0.0.1";
        //private const string port = "6379";
        private const string port = "6800";
        static CSRedisCacheHelper()
        {
            var redisHostStr = string.Format("{0}:{1}", ip, port);
            if (!string.IsNullOrEmpty(redisHostStr))
            {
                redis = new CSRedisClient(redisHostStr + ",password=,defaultDatabase=0");
                redis15 = new CSRedisClient(redisHostStr + ",password=,defaultDatabase=15");
                var DingYueMsg = ("CellCorelDRAWUser", new Action<SubscribeMessageEventArgs>(async (args) =>
                {
                    string body = args.Body;
                }));

                CSRedisCacheHelper.redis.Subscribe(DingYueMsg);
            }
        }
        /// <summary>
        /// 添加缓存
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public static void Set<T>(string key, T value, int ExpireTime)
        {
            redis?.Set(key, value, ExpireTime * 60);
        }

        public static T Get<T>(string key)
        {
            return redis.Get<T>(key);
        }

        public static void Forever<T>(string key, T value)
        {
            redis.Set(key, value, -1);
        }
        public static void Del(string key)
        {
            redis.Del(key);
        }
        public static void ListPush<T>(string key, T value)
        {
            redis.LPush(key, value);
        }

        /// <summary>
        /// 判断是否存在
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>

        public static bool Contains(string key)
        {
            bool result = redis.Exists(key);
            return result;
        }

        public static string? XAdd(string key, params (string, string)[] fieldValues)
        {
            try
            {
                var result = redis.XAdd(key, fieldValues);
                return result;
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"XAdd error: {ex.Message}");
                return null;
            }
        }

        public static string? XReadGroup(string key, string group, string consumer, int count = 1, string id = null)
        {
            try
            {
                id = id ?? ">";
                var result = redis.XReadGroup(group, consumer, count, 0, (key, id));
                
                if (result != null && result.Length > 0)
                {
                    // 处理消息
                    var messages = new List<Dictionary<string, object>>();
                    
                    foreach (var streamResult in result)
                    {
                        foreach (var entry in streamResult.data)
                        {
                            var message = new Dictionary<string, object>
                            {
                                ["Id"] = entry.id,
                                ["Values"] = entry.items
                            };
                            
                            messages.Add(message);
                            
                            // 确认消息已处理
                            redis.XAck(key, group, entry.id);
                        }
                    }
                    
                    return System.Text.Json.JsonSerializer.Serialize(messages);
                }
                
                return null;
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"XReadGroup error: {ex.Message}");
                return null;
            }
        }

        public static (string key, (string id, string items)[] data)[] XReadGroup(string group, string consumer, long count, long block, params (string key, string id)[] streams)
        {
            try
            {
                var result = redis.XReadGroup(group, consumer, count, block, streams);
                
                if (result != null && result.Length > 0)
                {
                    // 处理消息并确认已处理
                    var processedResults = new List<(string key, (string id, string items)[] data)>();
                    
                    foreach (var streamResult in result)
                    {
                        var messages = new List<(string id, string items)>();
                        
                        foreach (var entry in streamResult.data)
                        {
                            // 确认消息已处理
                            redis.XAck(streamResult.key, group, entry.id);
                            
                            // entry是一个元组 (string id, string[] items)
                            // 我们需要将string[] items转换为string items
                            var itemsArray = entry.items;
                            var itemsString = string.Join(",", itemsArray);
                            messages.Add((entry.id, itemsString));
                        }
                        
                        processedResults.Add((streamResult.key, messages.ToArray()));
                    }
                    
                    return processedResults.ToArray();
                }
                
                return Array.Empty<(string key, (string id, string items)[] data)>();
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"XReadGroup error: {ex.Message}");
                return Array.Empty<(string key, (string id, string items)[] data)>();
            }
        }

        public static bool XGroupCreate(string key, string group, string id = "0")
        {
            try
            {
                redis.XGroupCreate(key, group, id, true);
                return true;
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 发布消息
        /// </summary>
        /// <param name="Topic"></param>
        /// <param name="Payload"></param>
        public static void Publish(string Topic, string Payload)
        {
            CSRedisCacheHelper.redis.PublishNoneMessageId(Topic, Payload);
        }
    }
}