using MessagePack;
using Newtonsoft.Json;
using StackExchange.Redis;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing.Printing;
using System.IO;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Runtime.InteropServices;
using System.Threading.Tasks;
using YunDa.ISAS.Redis.Configuration;
using YunDa.ISAS.Redis.Factory;
using MessagePack;
using MessagePack.Resolvers;
using System.Diagnostics;
using System.Text;
using MongoDB.Bson;
using Microsoft.AspNetCore.SignalR;
using MessagePack.Formatters;
namespace YunDa.ISAS.Redis.Repositories
{
    public class RedisRepository<TEntity, TPrimaryKey> : IRedisRepository<TEntity, TPrimaryKey>
    {
        private IRedisClientFactory _redisClientFactory;
        private IRedisConfiguration _redisConfiguration;
        private IDatabase _database;
        private ISubscriber _subscriber;
        // 全局配置 CompositeResolver
        private static readonly MessagePackSerializerOptions options = MessagePackSerializerOptions.Standard
            .WithResolver(CompositeResolver.Create(
                new IMessagePackFormatter[] {  },  // 自定义时间格式化器
                new IFormatterResolver[] {
                ContractlessStandardResolver.Instance,  // 支持无特性标记的类
                StandardResolver.Instance 
                }             // 支持有特性标记的类 }  // 无特性标记解析器
            ));
        public RedisRepository(IRedisClientFactory redisClientFactory, IRedisConfiguration redisConfiguration)
        {
            _redisClientFactory = redisClientFactory;
            _redisConfiguration = redisConfiguration;
            _database = _redisClientFactory.InstanceRedisDatabase();
            _subscriber = _redisClientFactory.Subscriber;
            JsonSerializerSettings settings = new JsonSerializerSettings
            {
                ReferenceLoopHandling = ReferenceLoopHandling.Ignore
            };
        }


        public async Task<bool> InsertOrUpdateoneAsync(TEntity entity, string key, TimeSpan? ttl = null)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return false;
            }
            //_database.KeyDeleteAsync(key.ToString());
            var value = GetSerializeObjectString(entity);
            if (ttl == null)
            {
                return await _database.StringSetAsync(key.ToString(), value);
            }
            return await _database.StringSetAsync(key.ToString(), value, ttl);
        }
        public async Task<long> PublishAsync(string channel,TEntity entity)
        {
           
            var jsonMessage = GetSerializeObjectString(entity); //序列化
            var redisChannel = new RedisChannel(channel, RedisChannel.PatternMode.Literal);
            // 发布消息
            return await _subscriber.PublishAsync(redisChannel, jsonMessage);
        }
        
        public event Action<string, TEntity> OnMessageReceived;
        // 订阅接口，支持模式匹配
        public void Subscribe(string pattern)
        {
            var redisChannel = new RedisChannel(pattern, RedisChannel.PatternMode.Pattern);

            _subscriber.Subscribe(redisChannel, (channel, message) =>
            {
                // 当收到消息时触发事件
                OnMessageReceived(channel,GetDeserialize<TEntity>(message));
            });
        }
        //封装的ListSet
        public void ListUpdateAll(string key, List<TEntity> value)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            lock (_database)
            {
                _database.KeyDelete(key);
                //下面的database 是redis的数据库对象.
                var batch = _database.CreateBatch();
                List<Task> tasks = new List<Task>();
                foreach (var single in value)
                {
                    var s = GetSerializeObjectString(single); //序列化
                    //_database.ListLeftPush(key, s); //要一个个的插入
                    var task = batch.ListLeftPushAsync(key, s);
                    tasks.Add(task);
                }
                batch.Execute();
                _database.WaitAll(tasks.ToArray());
            }

        }

        public async Task DeleteHashKeyAsync(string key, Guid id)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            for (int i = 0; i < 3; i++)
            {
                if (await _database.HashDeleteAsync(key, id.ToString()))
                {
                    return;
                }
                Task.Delay(1000).Wait();
            }

        }
        public async Task DeleteHashKeiesAsync(string key, List<Guid> ids)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            var RedisValues = new RedisValue[ids.Count];
            for (int i = 0; i < ids.Count; i++)
            {
                RedisValues[i] = ids[i].ToString();
            }
            await _database.HashDeleteAsync(key, RedisValues);

        }

        public void ListRightPush(string key, List<TEntity> value)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            lock (_database) {
                //下面的database 是redis的数据库对象.
                var batch = _database.CreateBatch();
                List<Task> tasks = new List<Task>();
                foreach (var single in value)
                {
                    var s = GetSerializeObjectString(single); //序列化
                    tasks.Add(batch.ListRightPushAsync(key, s));
                }
                batch.Execute();
                _database.WaitAll(tasks.ToArray());
            }

        }
        public void ListRightPush(string key, TEntity value)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }

            //下面的database 是redis的数据库对象.
            var batch = _database.CreateBatch();
            List<Task> tasks = new List<Task>();
            var s = GetSerializeObjectString(value); //序列化
            tasks.Add(batch.ListRightPushAsync(key, s));
            batch.Execute();
            _database.WaitAll(tasks.ToArray());
        }

        public async Task<long> ListLenghtAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return 0;
            }
            //下面的database 是redis的数据库对象.
            var batch = _database.CreateBatch();
            var lenght = batch.ListLengthAsync(key);
            batch.Execute();
            return await lenght;
        }
        //封装的ListGet
        public List<TEntity> ListGet(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return null;
            }
            lock (_database)
            {
                //ListRange返回的是一组字符串对象
                //需要逐个反序列化成实体
                var vList = _database.ListRange(key);
                List<TEntity> result = new List<TEntity>();
                foreach (var item in vList)
                {
                    var model = GetDeserialize<TEntity>(item); //反序列化
                    result.Add(model);
                }
                return result;
            }

        }
        public async Task<List<TEntity>> ListGetAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return null;
            }
            //ListRange返回的是一组字符串对象
            //需要逐个反序列化成实体
            var vList = await _database.ListRangeAsync(key);
            List<TEntity> result = new List<TEntity>();
            lock (_database)
            {
                foreach (var item in vList)
                {
                    var model = GetDeserialize<TEntity>(item); //反序列化
                    result.Add(model);
                }
                return result;

            }

        }
        public Dictionary<string, TEntity> HashSetGetDicAll(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return null;
            }
            var result = new Dictionary<string, TEntity>();
            lock (_database)
            {
                var arr = _database.HashGetAll(key);
                if (arr != null)
                {
                    foreach (var item in arr)
                    {
                        if (!item.Name.IsNullOrEmpty)
                        {
                            //var id = new Guid(item.Name.ToString());
                            var obj = GetDeserialize<TEntity>(item.Value);
                            result.TryAdd(item.Name, obj);
                        }
                    }
                }
            }
            return result;
        }
        public TEntity HashSetGetOne(string key, Guid id)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            var item = _database.HashGet(key, id.ToString());

            if (!item.IsNullOrEmpty)
            {
                var result = GetDeserialize<TEntity>(item); //反序列化
                return result;
            }
            return default;

        }
        public TEntity HashSetGetOne(string key, string id)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            var item = _database.HashGet(key, id);

            if (!item.IsNullOrEmpty)
            {
                var result = GetDeserialize<TEntity>(item); //反序列化
                return result;
            }
            return default;

        }
        public async Task<TEntity> HashSetGetOneAsync(string key, string id)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            var item =await _database.HashGetAsync(key, id);

            if (!item.IsNullOrEmpty)
            {
                var result = GetDeserialize<TEntity>(item); //反序列化
                return result;
            }
            return default;

        }
        public async Task<long> ListLeftPushAsync(string key, TEntity entity)
        {
            if (string.IsNullOrEmpty(key))
            {
                return 0;
            }
            var s = GetSerializeObjectString(entity);
            if (await _database.ListLengthAsync(key) > int.MaxValue)
            {
                if (!await _database.KeyDeleteAsync(key))
                {
                    await _database.KeyExpireAsync(key, TimeSpan.FromMilliseconds(10));
                }
            }
            var res = await _database.ListLeftPushAsync(key, s);
            return res;
        }
        public async Task ListRemoveStringAsync(string key, string value, long count = 0)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            await _database.ListRemoveAsync(key, value, count);
            return;
        }
        public async Task<TEntity> GetListTailDataAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            if (_database.KeyExists(key))
            {
                var length = await _database.ListLengthAsync(key);
                var res = await _database.ListGetByIndexAsync(key, length - 1);
                var entity = GetDeserialize<TEntity>(res);
                return entity;
            }
            return default;
        }


        public List<TEntity> GetAll()
        {
            if (_database == null)
            {
                return null;
            }
            List<TEntity> entities = new List<TEntity>();
            var keys = _database.Multiplexer.GetServer(_database.Multiplexer.GetEndPoints().First()).Keys();
            foreach (var item in keys)
            {
                if (_database.KeyExists(item))
                {
                    var str = _database.StringGet(item);
                    var entity = GetDeserialize<TEntity>(str);
                    entities.Add(entity);
                }
            }
            return entities;
        }

        public async Task<TEntity> GetOneAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            var str = await _database.StringGetAsync(key);
            return str.IsNull ? default : GetDeserialize<TEntity>(str);
        }

        public async Task<bool> InsertOrUpdateOneAsync(TEntity entity, string key, TimeSpan? ttl = null)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return false;
            }
            var value = GetSerializeObjectString(entity);
            return await _database.StringSetAsync(key, value, ttl);
        }

        private byte[] GetSerializeObjectString(TEntity entity)
        {
            return MessagePackSerializer.Serialize(entity, options);
        }
        private  T GetDeserialize<T>(byte[] data)
        {
            if (data==null || data.Length==0)
            {
                return default;
            }
            //string jsonString = Encoding.UTF8.GetString(data);
            //return JsonConvert.DeserializeObject<T>(jsonString);
            //string hexString = BitConverter.ToString(data);
            //Debug.WriteLine(hexString); // 输出：12-AB-3C-4D
            try
            {
                var entity = MessagePackSerializer.Deserialize<T>(data, options);
                //Debug.WriteLine("MessagePackSerializer success"); // 输出：12-AB-3C-4D

                return entity;
            }
            catch (Exception ex)
            {
                string jsonString = Encoding.UTF8.GetString(data);
                Debug.WriteLine("UTF8: " + jsonString); // 输出：12-AB-3C-4D

                return JsonConvert.DeserializeObject<T>(jsonString);
            }
        }
        public async Task DeleteKeyAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }
            int count = 0;
            while (!await _database.KeyDeleteAsync(key) && count < 5)
            {
                count++;
                await Task.Delay(10);
            }
        }

        public async Task<bool> HashSetUpdateOneAsync(string key, string id, TEntity entity)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return false;
            }
            var s = GetSerializeObjectString(entity);
            return await _database.HashSetAsync(key, id, s);
        }

        public async Task<bool> HashSetUpdateManyAsync(string key, List<Guid> ids, List<TEntity> entities)
        {
            if (string.IsNullOrEmpty(key) || _database == null || ids.Count != entities.Count)
            {
                return false;
            }

            var hashEntries = ids.Select((id, index) =>
                new HashEntry(id.ToString(), GetSerializeObjectString(entities[index]))).ToArray();

            await _database.HashSetAsync(key, hashEntries);
            return true;
        }
        public async Task<bool> HashSetUpdateManyAsync(string key, List<string> ids, List<TEntity> entities)
        {
            if (string.IsNullOrEmpty(key) || _database == null || ids.Count != entities.Count)
            {
                return false;
            }
            var hashEntries = ids.Select((id, index) =>
                new HashEntry(id, GetSerializeObjectString(entities[index]))).ToArray();

            await _database.HashSetAsync(key, hashEntries);
            return true;
        }
        public async Task<List<TEntity>> ListRangeAsync(string key, int start = 0, int stop = -1)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return null;
            }

            var redisValues = await _database.ListRangeAsync(key, start, stop);
            return redisValues
                .Select(item => GetDeserialize<TEntity>(item))
                .ToList();
        }

      

        public async Task<TEntity> ListRightPopAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return default;
            }
            var res = await _database.ListRightPopAsync(key);
            return res.IsNull ? default : GetDeserialize<TEntity>(res);
        }

        public async Task<List<TEntity>> HashSetGetAllAsync(string key)
        {
            var hashEntries = await _database.HashGetAllAsync(key);
            if (hashEntries.Length == 0)
                return default;
            List<TEntity> entities = new List<TEntity>();
            foreach (var entry in hashEntries)
            {
                var value = GetDeserialize<TEntity>(entry.Value);
                entities.Add(value);
            }
            return entities;
        }
        public async Task<TEntity> HashSetGetAllAsync(string key,string hashkey)
        {
            var hashEntries = await _database.HashGetAsync(key, hashkey);
            var value = GetDeserialize<TEntity>(hashEntries);
            return value;
        }

        public async Task<Dictionary<string, TEntity>> HashSetGetDicAllAsync(string key)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return null;
            }
            var result = new Dictionary<string, TEntity>();
            var arr = await _database.HashGetAllAsync(key);

            foreach (var item in arr)
            {
                if (!item.Name.IsNullOrEmpty)
                {
                    var obj = GetDeserialize<TEntity>(item.Value);
                    result.TryAdd(item.Name, obj);
                }
            }
            return result;
        }

        public async Task UpdateOneAsync(TEntity entity, string key, TimeSpan? ttl = null)
        {
            if (string.IsNullOrEmpty(key) || _database == null)
            {
                return;
            }

            var data = await _database.StringGetWithExpiryAsync(key);
            var s = GetSerializeObjectString(entity);
            await _database.StringSetAsync(key, s, data.Expiry ?? ttl);
        }

        public async Task<bool> KeyExistsAsync(string key)
        {
            return _database != null && await _database.KeyExistsAsync(key);
        }
    }
}