using System.Collections.Immutable;
using System.Text.RegularExpressions;

namespace LTEMvcApp.Models;

/// <summary>
/// LTE客户端类 - 对应JavaScript中的lte.client对象
/// </summary>
public class LTEClient
{
    #region 基础属性

    /// <summary>
    /// 客户端ID
    /// </summary>
    public int ClientId { get; set; }

    /// <summary>
    /// 客户端名称
    /// </summary>
    public string Name { get; set; } = string.Empty;

    /// <summary>
    /// 客户端配置
    /// </summary>
    public ClientConfig Config { get; set; } = new();

    /// <summary>
    /// 客户端状态
    /// </summary>
    public ClientState State { get; set; } = ClientState.Stop;

    /// <summary>
    /// 版本信息
    /// </summary>
    public string? Version { get; set; }

    /// <summary>
    /// 许可证信息
    /// </summary>
    public string? License { get; set; }

    /// <summary>
    /// 模型类型
    /// </summary>
    public string? Model { get; set; }

    #endregion

    #region 日志相关属性

    /// <summary>
    /// 日志列表
    /// </summary>
    public List<LTELog> Logs { get; set; } = new();

    /// <summary>
    /// 日志数量
    /// </summary>
    public int LogCount => Logs.Count;

    /// <summary>
    /// 是否已过滤
    /// </summary>
    public bool Filtered { get; set; }

    /// <summary>
    /// 重置标志
    /// </summary>
    public bool ResetFlag { get; set; }

    #endregion

    #region 解析器状态

    /// <summary>
    /// 最后HARQ信息
    /// </summary>
    public Dictionary<int, Dictionary<int, LTELog>> LastHarq { get; set; } = new();

    /// <summary>
    /// 最后NB HARQ信息
    /// </summary>
    public Dictionary<int, Dictionary<int, List<LTELog>>> LastNbHarq { get; set; } = new();

    /// <summary>
    /// 帧信息
    /// </summary>
    public FrameInfo Frame { get; set; } = new();

    /// <summary>
    /// TMSI到UE ID的映射
    /// </summary>
    public Dictionary<int, int> TmsiToUeId { get; set; } = new();

    /// <summary>
    /// RNTI到UE ID的映射
    /// </summary>
    public Dictionary<int, int> RntiToUeId { get; set; } = new();

    /// <summary>
    /// UE列表
    /// </summary>
    public Dictionary<int, UEInfo> UeList { get; set; } = new();

    /// <summary>
    /// 最后时间戳
    /// </summary>
    public long LastTimestamp { get; set; }

    /// <summary>
    /// 时间戳偏移
    /// </summary>
    public long TimestampOffset { get; set; }

    /// <summary>
    /// 最后小区
    /// </summary>
    public int? LastCell { get; set; }

    #endregion

    #region 功能标志

    /// <summary>
    /// 是否有小区信息
    /// </summary>
    public bool HasCell { get; set; }

    /// <summary>
    /// 是否有物理层信息
    /// </summary>
    public bool HasPhy { get; set; }

    /// <summary>
    /// 是否有数据
    /// </summary>
    public bool HasData { get; set; }

    /// <summary>
    /// 是否有RNTI
    /// </summary>
    public bool HasRnti { get; set; }

    /// <summary>
    /// 是否有资源块
    /// </summary>
    public bool HasRb { get; set; }

    /// <summary>
    /// 是否有信号记录
    /// </summary>
    public bool HasSignalRecord { get; set; }

    #endregion

    #region 参数和组件

    /// <summary>
    /// 参数信息
    /// </summary>
    public Dictionary<string, object> Parameters { get; set; } = new();

    /// <summary>
    /// 组件列表
    /// </summary>
    public Dictionary<string, object> Components { get; set; } = new();

    #endregion

    #region 构造函数

    public LTEClient(ClientConfig config)
    {
        Config = config;
        Name = config.Name;
        ClientId = GenerateClientId();
        ResetParserState();
    }

    /// <summary>
    /// 使用名称创建客户端
    /// </summary>
    /// <param name="name">客户端名称</param>
    public LTEClient(string name)
    {
        Config = new ClientConfig { Name = name, Enabled = true };
        Name = name;
        ClientId = GenerateClientId();
        ResetParserState();
    }

    #endregion

    #region 公共方法

    /// <summary>
    /// 启动客户端
    /// </summary>
    public void Start()
    {
        SetState(ClientState.Start);
    }

    /// <summary>
    /// 停止客户端
    /// </summary>
    public void Stop()
    {
        SetState(ClientState.Stop);
    }

    /// <summary>
    /// 销毁客户端
    /// </summary>
    public void Destroy()
    {
        SetState(ClientState.Destroy);
    }

    /// <summary>
    /// 重置日志
    /// </summary>
    public void ResetLogs()
    {
        if (LogCount > 0)
        {
            ResetFlag = true;
            Logs.Clear();
            ResetParserState();
            HasCell = false;
            HasPhy = false;
            HasData = false;
            HasRnti = false;
            HasRb = false;
            HasSignalRecord = false;
        }
    }

    /// <summary>
    /// 添加日志
    /// </summary>
    public void AddLog(LTELog log)
    {
        // 检查时间戳回绕
        var timestamp = log.Timestamp + TimestampOffset;
        if (timestamp < LastTimestamp - 100)
        {
            Console.WriteLine($"Log wrap by {LastTimestamp - timestamp}");
            timestamp += 86400000; // 24小时
            TimestampOffset += 86400000;
        }
        LastTimestamp = log.Timestamp = timestamp;

        log.Client = this;
        log.Id = GenerateLogId();
    }

    /// <summary>
    /// 设置头信息
    /// </summary>
    public void SetHeaders(string[] headers)
    {
        // 实现头信息设置逻辑
    }

    /// <summary>
    /// 初始化模型猜测
    /// </summary>
    public void LogModelGuessInit()
    {
        // 实现模型猜测初始化逻辑
    }

    /// <summary>
    /// 模型猜测
    /// </summary>
    public void LogModelGuess(List<Dictionary<string, object>> logs)
    {
        // 实现模型猜测逻辑
    }

    /// <summary>
    /// 方向转换
    /// </summary>
    public int DirConvert(LTELog log)
    {
        // 实现方向转换逻辑
        return 0;
    }

    /// <summary>
    /// 字符串转ID
    /// </summary>
    public int StringToId(string str)
    {
        // 实现字符串转ID逻辑
        return 0;
    }

    #endregion

    #region 私有方法

    /// <summary>
    /// 设置状态
    /// </summary>
    private void SetState(ClientState state)
    {
        if (State != state)
        {
            State = state;
            switch (state)
            {
                case ClientState.Stop:
                    ResetLogs();
                    break;
                case ClientState.Start:
                case ClientState.Connected:
                    break;
                case ClientState.Destroy:
                    return;
            }
        }
    }

    /// <summary>
    /// 重置解析器状态
    /// </summary>
    private void ResetParserState()
    {
        LastHarq.Clear();
        LastNbHarq.Clear();
        Frame = new FrameInfo();
        TmsiToUeId.Clear();
        RntiToUeId.Clear();
        UeList.Clear();
        LastTimestamp = 0;
        TimestampOffset = 0;
        LastCell = null;
    }

    /// <summary>
    /// 生成客户端ID
    /// </summary>
    private static int GenerateClientId()
    {
        return Interlocked.Increment(ref _clientIdCounter);
    }

    /// <summary>
    /// 生成日志ID
    /// </summary>
    private static int GenerateLogId()
    {
        return Interlocked.Increment(ref _logIdCounter);
    }

    #endregion

    #region 静态字段

    private static int _clientIdCounter = 0;
    private static int _logIdCounter = 0;

    #endregion
}

/// <summary>
/// 客户端配置
/// </summary>
public class ClientConfig
{
    public string Name { get; set; } = string.Empty;
    public bool Enabled { get; set; } = true;
    public string? Model { get; set; }
    public string? Address { get; set; }
    public bool Ssl { get; set; }
    public int ReconnectDelay { get; set; } = 15000;
    public bool Pause { get; set; }
    public bool Readonly { get; set; }
    public bool SkipLogMenu { get; set; }
    public bool Locked { get; set; }
    public bool Active { get; set; }
    public string? Password { get; set; }
    public Dictionary<string, object> Logs { get; set; } = new();
}

/// <summary>
/// 客户端状态
/// </summary>
public enum ClientState
{
    Stop,
    Start,
    Loading,
    Connecting,
    Connected,
    Error,
    Destroy
}

/// <summary>
/// 帧信息
/// </summary>
public class FrameInfo
{
    public int Last { get; set; }
    public int Hfn { get; set; }
    public long Timestamp { get; set; } = -1;
}

/// <summary>
/// UE信息
/// </summary>
public class UEInfo
{
    public int UeId { get; set; }
    public string? Imsi { get; set; }
    public string? Imei { get; set; }
    public object? Caps { get; set; }
}