using FreeRedis;
using FreeRedis.Internal;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.IdentityModel.Tokens;
using NetTaste;
using Newtonsoft.Json.Schema;
using SqlSugar.IOC;
using System;
using System.Security.Cryptography;
using System.Text.Json;
using System.Threading.Channels;
using System.Threading.Tasks;
using System.Collections.Concurrent;
using System.Xml.Linq;
using UserCenter.Model.Enum;
using VideoAnalysisCore.AICore.FFMPGE;
using VideoAnalysisCore.AICore.GPT;
using VideoAnalysisCore.AICore.GPT.Dto;


//using VideoAnalysisCore.AICore.FFMPGE;
using VideoAnalysisCore.AICore.SherpaOnnx;
using VideoAnalysisCore.AICore.Whisper;
using VideoAnalysisCore.Model;
using VideoAnalysisCore.Model.Dto;
using VideoAnalysisCore.Model.Enum;

namespace VideoAnalysisCore.Common
{
    /// <summary>
    /// redis key
    /// </summary>
    public static class RedisExpandKey
    {

        /// <summary>
        /// 基础key
        /// </summary>
        public const string BaseKey = "VideoAnalysis:";
        /// <summary>
        /// 基础Channel key
        /// </summary>
        public const string ChannelKey = BaseKey + "TaskChannel";
        /// <summary>
        /// TidySlide 工作流 Channel key
        /// </summary>
        public const string TidySlideChannelKey = BaseKey + "TidySlideTaskChannel";
        /// <summary>
        /// 下载文件
        /// </summary>
        public const string DownloadFile = ChannelKey + "DownloadFile";
        /// <summary>
        /// 分离音频
        /// </summary>
        public const string SeparateAudio = ChannelKey + "SeparateAudio";
        /// <summary>
        /// 解析字幕
        /// </summary>
        public const string ParsingCaptions = ChannelKey + "ParsingCaptions";
        /// <summary>
        /// 解析说话人
        /// </summary>
        public const string ParsingSpeaker = ChannelKey + "ParsingSpeaker";
        /// <summary>
        /// Chat模型分析
        /// </summary>
        public const string ChatModelAnalysis = ChannelKey + "ChatModelAnalysis";

        /// <summary>
        /// 任务数组
        /// </summary>
        public const string TaskArr = BaseKey + "TaskArr";
        /// <summary>
        /// 任务日志缓存
        /// </summary>
        public static string TaskLog => BaseKey + "TaskLog:" + AppCommon.Config.ID;


        /// <summary>
        /// 任务对象地址
        /// </summary>
        public static string Task(object taskId) => BaseKey + "Info:" + taskId;
        public static string IDTask => BaseKey + "Services:" + AppCommon.Config.ID;
        /// <summary>
        /// 在线设备Key集合 (已弃用，直接扫描 Heartbeat)
        /// </summary>
        // public static string OnlineDevices => BaseKey + "OnlineDevices"; 
        /// <summary>
        /// 设备心跳Key前缀 (VideoAnalysis:Heartbeat:{DeviceId})
        /// </summary>
        public static string DeviceHeartbeat(string deviceId) => BaseKey + "Heartbeat:" + deviceId;
        public static string TaskGPT(object taskId) => BaseKey + "GPTCached:" + taskId;
        /// <summary>
        /// 初始化 redis
        /// <para>需要在初始化配置文件时候调用</para>
        /// </summary>
        public static void AddTaskSubscribe(this IServiceCollection service)
        {

            Console.WriteLine($"{DateTime.Now}=>初始化 Redis任务队列");
            service.AddSingleton<RedisInit>();
        }
        /// <summary>
        /// redis连接拓展(包含消息队列任务)
        /// </summary>
        /// <param name="service"></param>
        public static void AddRedisExpand(this IServiceCollection service)
        {
            Console.WriteLine($"{DateTime.Now}=>初始化 Redis");
            var redis = new RedisClient(AppCommon.Config.Redis.ConnectionString);
            redis.Serialize = obj =>
                JsonSerializer.Serialize(obj);
            redis.Deserialize = (json, type) =>
                JsonSerializer.Deserialize(json, type);
            service.AddSingleton(redis);
            service.AddSingleton<RedisManager>();
            service.AddVideoSliceWorkflow();
            service.AddTidySlideWorkflow();
            
            // 注册心跳 Job
            // service.AddTransient<DeviceHeartbeatJob>(); // 迁移到 CoravelExpand 中统一管理
            // service.AddTransient<TaskFileClearJob>();
            // service.AddTransient<ClearAllCacheJob>();
        }
    }

    public class RedisInit
    {

        public RedisInit(IServiceProvider serviceProvider)
        {
            serviceProvider.GetService<VideoSliceWorkflowInit>();
            serviceProvider.GetService<TidySlideWorkflowInit>();
            // serviceProvider.GetService<RedisManager>().InitChannel(); // 已废弃，由各工作流自行初始化
        }
    }
    /// <summary>
    /// redis拓展
    /// </summary>
    public class RedisManager
    {
        public static bool StopTask { get; set; } = false;
        public static Dictionary<RedisChannelEnum, Func<string, Task>> SubscribeList = new Dictionary<RedisChannelEnum, Func<string, Task>>();
        
        /// <summary>
        /// 正在后台运行的任务集合
        /// </summary>
        public static ConcurrentDictionary<string, Task> RunningTasks = new ConcurrentDictionary<string, Task>();

        private static CancellationTokenSource? _cts;
        private static Task? _workerTask;

        public RedisClient Redis { get; set; }
        public Repository<VideoTask> videoTaskDB { get; set; }
        public Repository<TaskLog> taskLogDB { get; set; }

        public RedisManager(RedisClient redis, Repository<VideoTask> videoTaskDB, Repository<TaskLog> taskLogDB)
        {
            Redis = redis;
            this.videoTaskDB = videoTaskDB;
            this.taskLogDB = taskLogDB;
        }


        /// <summary>
        /// 缓存GPT任务缓存
        /// </summary>
        /// <param name="taskId"></param>
        public void SetTaskGPTCached(object taskId, string time, object? data)
        {
            Redis.Set(RedisExpandKey.TaskGPT(taskId) + ":" + time, data, timeoutSeconds: 3600 * 24);
        }
        /// <summary>
        /// 加入到消费队列
        /// </summary>
        /// <param name="taskIds"></param>
        public void JoinQueue(params long[] taskIds)
        {   //事务
            if (taskIds is null || taskIds.Length == 0)
                return;
            using (var tran = Redis.Multi())
            {
                foreach (var item in taskIds)
                    tran.LPush(RedisExpandKey.ChannelKey, item);
                tran.Exec();
            }
        }
        
        // AddTaskLog 已迁移至 WorkflowBase

        /// <summary>
        /// 获取任务进度
        /// </summary>
        /// <param name="taskId"></param>
        /// <param name="workflowName">工作流名称(可选)</param>
        public string GetTaskProgress(object taskId, string workflowName = "VideoSliceWorkflow")
        {
            var fieldName = workflowName == "VideoSliceWorkflow" ? "Progress" : $"Progress:{workflowName}";
            return Redis.HMGet<string>(RedisExpandKey.Task(taskId), fieldName)[0] ?? "";
        }
        
        // 注意：SetTaskProgress, TaskEnd, SetTaskErrorMessage, ClearTaskError, SetTaskError 
        // 已迁移至 WorkflowBase，此处移除或标记为已废弃
        
    }
}