using System;
using System.Collections.Generic;
using KKdMainLib.IO;
using KKdMainLib.A3DA;
using KKdMainLib.MessagePack;

namespace KKdMainLib.DB
{
    public class Auth
    {
        public    int  Signature { get; private set; }
        public string[] Category { get; private set; }
        public    UID[]     _UID { get; private set; }
        public Stream         IO { get; private set; }

        public void BINReader(string file)
        {
            Dictionary<string, object> Dict = new Dictionary<string, object>();
            string[] dataArray;

            IO = File.OpenReader(file + ".bin");

            IO.Format = Main.Format.F;
            Signature = IO.ReadInt32();
            if (Signature != 0x44334123) return;
            Signature = IO.ReadInt32();
            if (Signature != 0x5F5F5F41) return;
            IO.ReadInt64();

            string[] STRData = IO.ReadString(IO.Length - IO.Position).Replace("\r", "").Split('\n');
            for (int i = 0; i < STRData.Length; i++)
            {
                dataArray = STRData[i].Split('=');
                if (dataArray.Length == 2)
                    Dict.GetDictionary(dataArray[0], dataArray[1]);
            }

            if (Dict.FindValue(out string value, "category.length"))
            {
                Category = new string[int.Parse(value)];
                for (int i0 = 0; i0 < Category.Length; i0++)
                    if (Dict.FindValue(out value, "category." + i0 + ".value"))
                        Category[i0] = value;
            }

            if (Dict.FindValue(out value, "uid.length"))
            {
                _UID = new UID[int.Parse(value)];
                for (int i0 = 0; i0 < _UID.Length; i0++)
                {
                    Dict.FindValue(out _UID[i0].Category, "uid." + i0 + ".category");
                    Dict.FindValue(out _UID[i0].OrgUid  , "uid." + i0 + ".org_uid" );
                    Dict.FindValue(out _UID[i0].Size    , "uid." + i0 + ".size"    );
                    Dict.FindValue(out _UID[i0].Value   , "uid." + i0 + ".value"   );
                }
            }

            IO.Close();
        }

        public void BINWriter(string file)
        {
            IO = File.OpenWriter(file + ".bin", true);

            IO.Write("#A3DA__________\n");
            IO.Write("#", DateTime.UtcNow.ToString("ddd MMM dd HH:mm:ss yyyy",
                System.Globalization.CultureInfo.InvariantCulture));

            if (Category != null)
            {
                int[] SO = Category.Length.SortWriter();
                for (int i = 0; i < Category.Length; i++)
                    IO.Write("category." + SO[i] + ".value=", Category[SO[i]]);
                IO.Write("category.length=", Category.Length);
            }

            if (_UID != null)
            {
                int[] SO = _UID.Length.SortWriter();
                for (int i = 0; i < _UID.Length; i++)
                {
                    if (_UID[SO[i]].Category != "")
                        IO.Write("uid." + SO[i] + ".category=", _UID[SO[i]].Category);
                        IO.Write("uid." + SO[i] + ".org_uid=" , _UID[SO[i]].OrgUid  );
                        IO.Write("uid." + SO[i] + ".size="    , _UID[SO[i]].Size    );
                    if (_UID[SO[i]].Value    != "")
                        IO.Write("uid." + SO[i] + ".value="   , _UID[SO[i]].Value   );
                }
                IO.Write("uid.length=", _UID.Length);
            }

            IO.Close();
        }

        public void MsgPackReader(string file, bool JSON)
        {
            MsgPack MsgPack = file.ReadMPAllAtOnce(JSON);

            if (MsgPack.Element("AuthDB", out MsgPack AuthDB))
            {
                if (AuthDB.ElementArray("Category", out MsgPack Temp))
                {
                    Category = new string[Temp.Array.Length];
                    for (int i = 0; i < Category.Length; i++)
                        Category[i] = Temp[i].ReadString();
                }

                if (AuthDB.ElementArray("UID", out Temp))
                {
                    _UID = new UID[Temp.Array.Length];
                    for (int i = 0; i < _UID.Length; i++)
                    {
                        _UID[i].Category = Temp[i].ReadString("Category");
                        _UID[i].OrgUid   = Temp[i].ReadNInt32("OrgUid"  );
                        _UID[i].Size     = Temp[i].ReadNInt32("Size"    );
                        _UID[i].Value    = Temp[i].ReadString("Value"   );
                    }
                }
            }
            MsgPack = MsgPack.New;
        }

        public void MsgPackWriter(string file, bool JSON)
        {
            MsgPack AuthDB = new MsgPack("AuthDB");            
            if (Category != null)
            {
                MsgPack Category = new MsgPack(this.Category.Length, "Category");
                for (int i = 0; i < this.Category.Length; i++)
                    Category[i] = (MsgPack)this.Category[i];
                AuthDB.Add(Category);
            }

            if (_UID != null)
            {
                MsgPack UID = new MsgPack(_UID.Length, "UID");
                for (int i = 0; i < _UID.Length; i++)
                    UID[i] = MsgPack.New.Add("Category", _UID[i].Category)
                                        .Add("OrgUid"  , _UID[i].OrgUid  )
                                        .Add("Size"    , _UID[i].Size    )
                                        .Add("Value"   , _UID[i].Value   );
                AuthDB.Add(UID);
            }

            AuthDB.Write(true, file, JSON);
        }

        public struct UID
        {
            public int? Size;
            public int? OrgUid;
            public string Value;
            public string Category;
        }
    }
}