using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using CoreAgent.ProtocolClient.Context;
using CoreAgent.ProtocolClient.Models;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;

namespace CoreAgent.ProtocolClient.ProtocolEngineCore
{
    public class LogDetailProcessor
    {
        private readonly ProtocolClientContext _context;
        private readonly ILogger logger;

        public LogDetailProcessor(ProtocolClientContext context, ILogger logger)
        {
            _context = context;
            this.logger = logger;
        }

        public List<SourceProtocolLogDetail> ConvertLogsToDetails(JToken logs)
        {
            return logs.Type switch
            {
                JTokenType.Array => logs.ToObject<List<SourceProtocolLogDetail>>() ?? new List<SourceProtocolLogDetail>(),
                JTokenType.Object => new List<SourceProtocolLogDetail> { logs.ToObject<SourceProtocolLogDetail>()! },
                _ => new List<SourceProtocolLogDetail>()
            };
        }

        public List<BuildProtocolLog> ConvertDetailsToProtocolLogs(List<SourceProtocolLogDetail> details)
        {
            var logList = new List<BuildProtocolLog>();
            foreach (var logItem in details)
            {
                var item = logItem.DeepClone();
                var protocolLog = new BuildProtocolLog
                {
                    Timestamp = item.Timestamp,
                    Layer = item.Layer,
                    UeId = item.UeId,
                    Cell = item.Cell,
                    Direction = ConvertDirection(item.Dir),
                    Message = (item.Data != null && item.Data.Count > 0) ? item.Data[0] : string.Empty,
                    Data = (item.Data != null && item.Data.Count > 1) ? item.Data.Skip(1).ToList() : new List<string>(),
                    Rnti = item.Rnti,
                    Phy = new PhyLayerFields
                    {
                        Frame = item.Frame,
                        Slot = item.Slot,
                        Channel = item.Channel,
                    },
                };
                _context.LogContext.UpdateLogTimestampAndAssignId(ref protocolLog);
                // 处理PHY层的信号记录
                if (logItem.Layer == "PHY" && logItem.Data is List<string> data)
                {
                    var signalRecord = new Dictionary<string, object>();
                    for (int j = data.Count - 1; j >= 0; j--)
                    {
                        var line = data[j];
                        var match = Regex.Match(line, @"Link:\s([\w\d]+)@(\d+)");
                        if (match.Success)
                        {
                            var linkName = match.Groups[1].Value;
                            var offset = uint.Parse(match.Groups[2].Value);
                            signalRecord[linkName] = new { offset = offset };
                            data.RemoveAt(j);
                        }
                    }
                    if (signalRecord.Count > 0)
                    {
                        protocolLog.DataInfo.SignalRecord = signalRecord;
                        _context.FeatureFlags.HasSignalRecord = true;
                    }
                }
                logList.Add(protocolLog);
            }
            return logList;
        }

        // 字符串方向转 LayerDir 枚举 int
        private int ConvertDirection(string dir)
        {
            if (string.IsNullOrEmpty(dir)) return (int)Enums.LayerDir.None;
            switch (dir.Trim().ToLower())
            {
                case "-":
                case "none":
                    return (int)Enums.LayerDir.None;
                case "ul":
                    return (int)Enums.LayerDir.UL;
                case "dl":
                    return (int)Enums.LayerDir.DL;
                case "to":
                    return (int)Enums.LayerDir.TO;
                case "from":
                    return (int)Enums.LayerDir.FROM;
                default:
                    return (int)Enums.LayerDir.None;
            }
        }
    }
}