using CircleSDK.Model;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using Path = System.IO.Path;

namespace CDPShared
{
    public class ActivityRow
    {
        private MessageInfo _mi;
        private CircleViewEventRecord _rec;
        
        // resolved fields
        public string Filename { get; set; }
        public string Sender { get; set; }

        public DateTime EventTime
        {
            get
            {
                if (_mi != null)
                {
                    DateTime start = new DateTime(1970, 1, 1, 0, 0, 0);
                    return start.AddMilliseconds(Convert.ToUInt64(_mi.MessageTimeOffset)).ToLocalTime();
                }

                if (_rec != null)
                    return _rec.Event.ToLocalTime();

                return  DateTime.MinValue;
            }
        }
        public string Operation
        {
            get
            {
                CircleViewMessages cvm = CircleViewMessages.Unknown; 

                if (_mi != null)
                    cvm = (CircleViewMessages)_mi.MessageType.GetValueOrDefault(10000);

                if (_rec != null)
                    cvm = (CircleViewMessages)_rec.MsgType;

                switch (cvm)
                {
                    case CircleViewMessages.FileViewed:
                        return "View";
                    case CircleViewMessages.FileEncrypted:
                        return "Protect";
                    case CircleViewMessages.InviteGenerated:
                        return "Invite";
                    case CircleViewMessages.MemberRevoked:
                        return "User revoked";
                    case CircleViewMessages.DeviceRevoked:
                        return "Device revoked";
                    case CircleViewMessages.BlockedViewAttempt:
                        return "Blocked view";
                    default:
                        return "Unknown";
                }
            }
        }

        public Int32 MessageType
        {
            get
            {
                if (_mi != null)
                    return (Int32) _mi.MessageType;
                if (_rec != null)
                    return (Int32)_rec.MsgType;
                return 0;
            }
        }

        public string Message
        {
            get
            {
                if (_mi != null)
                    return _mi.Message;
                if (_rec != null)
                    return _rec.Message;

                return "Unknown";
            }
        }

        private List<string> _meta = new List<string>();

        private Dictionary<string, string> _dic = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);
        public ActivityRow(MessageInfo mi)
        {
            _mi = mi;
            _meta = JsonConvert.DeserializeObject<List<string>>(_mi.AdditionalJson);
            BuildDictionary();
        }

        void BuildDictionary()
        {
            List<TwoStrings> l2s = new List<TwoStrings>();
            foreach (string line in _meta)
            {
                int iPos = line.IndexOf('|');
                if (iPos == -1)
                    iPos = line.IndexOf(':');
                string one = line.Substring(0, iPos);
                string two = line.Substring(iPos + 1);
                _dic[one] = two;
            }

            if (_dic.ContainsKey("Full path"))
            {
                string fileName = Path.GetFileName(_dic["Full path"]);
                _dic["Filename"] = fileName;
            }
        }

        public ActivityRow(CircleViewEventRecord rec)
        {
            _rec = rec;
            _meta = JsonConvert.DeserializeObject<List<string>>(_rec.Meta);
            BuildDictionary();
        }

        public List<string> Meta
        {
            get
            {
                return _meta;
            }
        }

        public string GetValue(string name)
        {
            if (_dic.ContainsKey(name))
                return _dic[name];
            return null;
        }
        public void AddValue(string name, string value)
        {
            _dic[name] = value;
            _meta.Add($"{name}|{value}");
        }
    }
}