using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Http;
using System.Text;
using System.IO;

namespace DutyContent.Tab
{
	public partial class DutyForm : Form, Interface.ISuppLocale, Interface.IPacketHandler, Interface.ISuppActPlugin
	{
		private static DutyForm _self;
		public static DutyForm Self => _self;

		//
		private bool _is_lock_fate;
		private ushort _last_fate = 0;
		private ushort _last_zone = 0;

		//
		private bool _is_packet_finder;
		private DcContent.SaveTheQueenType _stq_type = DcContent.SaveTheQueenType.No;
		private DcConfig.PacketConfig _new_packet;

		//
		private Dictionary<string, string> _packet_list = new Dictionary<string, string>();

		//
		private Overlay.DutyOvForm _overlay;

		//
		public DutyForm()
		{
			_self = this;

			InitializeComponent();

			_overlay = new Overlay.DutyOvForm();
		}

		private void DutyTabForm_FormClosing(object sender, FormClosingEventArgs e)
		{

		}

		public void PluginInitialize()
		{
			//
			lblCurrentDataSet.Text = DcContent.DisplayLanguage;

			//
			RefreshDatasetList();
			RefreshPacketList();

			//
			chkEnableOverlay.Checked = DcConfig.Duty.EnableOverlay;

			progbOverlayTransparent.Enabled = DcConfig.Duty.EnableOverlay;
			btnOverlayDimming.Enabled = DcConfig.Duty.EnableOverlay;
			chkOverlayClickThru.Checked = DcConfig.Duty.OverlayClickThru;
			chkOverlayAutoHide.Checked = DcConfig.Duty.OverlayAutoHide;

			//
			_overlay.SetText(Locale.Text(99, DcConfig.PluginVersion.ToString()));
			_overlay.Location = DcConfig.Duty.OverlayLocation;

			if (DcConfig.Duty.EnableOverlay)
				_overlay.Show();
			else
				_overlay.Hide();
			if (DcConfig.Duty.OverlayClickThru)
				_overlay.SetClickThruStatus(true);

			//
			chkEnableSound.Checked = DcConfig.Duty.EnableSound;

			txtSoundInstance.Text = DcConfig.Duty.SoundInstanceFile;
			txtSoundInstance.Enabled = DcConfig.Duty.EnableSound;
			btnSoundFindInstance.Enabled = DcConfig.Duty.EnableSound;
			btnSoundPlayInstance.Enabled = DcConfig.Duty.EnableSound;

			txtSoundFate.Text = DcConfig.Duty.SoundFateFile;
			txtSoundFate.Enabled = DcConfig.Duty.EnableSound;
			btnSoundFindFate.Enabled = DcConfig.Duty.EnableSound;
			btnSoundPlayFate.Enabled = DcConfig.Duty.EnableSound;

			//
			chkUseNotifyLine.Checked = DcConfig.Duty.UseNotifyLine;
			txtLineToken.Text = DcConfig.Duty.NotifyLineToken;

			chkUseNotifyTelegram.Checked = DcConfig.Duty.UseNotifyTelegram;
			txtTelegramId.Text = DcConfig.Duty.NotifyTelegramId;
			txtTelegramToken.Text = DcConfig.Duty.NotifyTelegramToken;

			chkUseNotifyDiscowk.Checked = DcConfig.Duty.UseNotifyDiscordWebhook;
			txtDiscowkUrl.Text = DcConfig.Duty.NotifyDiscordWebhookUrl;
			chkDiscowkTts.Checked = DcConfig.Duty.NotifyDiscordWebhookTts;

			btnTestNotify.Enabled = DcConfig.Duty.EnableNotify;

			//
			switch (DcConfig.Duty.ActiveFate)
			{
				case 0: rdoFatePreset1.Checked = true; break;
				case 1: rdoFatePreset2.Checked = true; break;
				case 2: rdoFatePreset3.Checked = true; break;
				case 3: rdoFatePreset4.Checked = true; break;
			}
			UpdateFates();

			//
			if (cboPacketset.SelectedIndex >= 0)
			{
				var p = _packet_list.ElementAt(cboPacketset.SelectedIndex);
				RemotePacketUpdate(p.Key);
			}
		}

		public void PluginDeinitialize()
		{
			_overlay.Hide();
			_overlay = null;
		}

		private void SaveConfig(int interval = 5000)
		{
			DcControl.Self.RefreshSaveConfig(interval);
		}

		public void RefreshLocale()
		{

		}

		public void UpdateUiLocale()
		{
			tabPageContent.Text = Locale.Text(301);
			tabPageSetting.Text = Locale.Text(302);
			tabPagePacket.Text = Locale.Text(337);

			lblDataSet.Text = Locale.Text(304);
			lblPacketSet.Text = Locale.Text(336);
			btnResetContentList.Text = Locale.Text(347);

			chkEnableOverlay.Text = Locale.Text(306);
			lblOverlayTransparent.Text = Locale.Text(307);
			chkOverlayClickThru.Text = Locale.Text(104);
			chkOverlayAutoHide.Text = Locale.Text(105);

			chkEnableSound.Text = Locale.Text(308);
			lblSoundInstance.Text = Locale.Text(309);
			lblSoundFate.Text = Locale.Text(310);

			chkUseNotifyLine.Text = Locale.Text(311);
			lblLineToken.Text = Locale.Text(312);

			chkUseNotifyTelegram.Text = Locale.Text(313);
			lblTelegramId.Text = Locale.Text(314);
			lblTelegramToken.Text = Locale.Text(315);

			chkUseNotifyDiscowk.Text = Locale.Text(338);
			chkDiscowkTts.Text = Locale.Text(341);
			lblDiscowkUrl.Text = Locale.Text(339);

			btnTestNotify.Text = Locale.Text(340);

			lblPacketFinder.Text = Locale.Text(316);
			lblPacketDesc.Text = Locale.Text(317);
			lblPacketBozja.Text = Locale.Text(318);

			lstPacketInfo.Columns[0].Text = Locale.Text(319);
			lstPacketInfo.Columns[1].Text = Locale.Text(320);
			lstPacketInfo.Columns[2].Text = Locale.Text(321);
			lstPacketInfo.Columns[3].Text = Locale.Text(322);

			lstBozjaInfo.Columns[0].Text = Locale.Text(323);
			lstBozjaInfo.Columns[1].Text = Locale.Text(324);
			lstBozjaInfo.Columns[2].Text = Locale.Text(325);
			lstBozjaInfo.Columns[3].Text = Locale.Text(326);

			btnPacketStart.Text = Locale.Text(10007);
			btnPacketApply.Text = Locale.Text(10009);

			// content reset
			lstContents.InitializeContentList(
				Locale.Text(343),   // ID
				Locale.Text(344),   // Type
				Locale.Text(345),   // %
				Locale.Text(346));  // Name

			Image im_r = Properties.Resources.pix_rdrt_red;
			Image im_g = Properties.Resources.pix_rdrt_green;
			Image im_p = Properties.Resources.pix_rdrt_puple;
			Image im_b = Properties.Resources.pix_rdrt_bline;

			lstContents.ClearImages();
			lstContents.AddCategoryImage(im_b, Locale.Text(27), Brushes.Black); // 0, none
			lstContents.AddCategoryImage(im_g, Locale.Text(21));                // 1, roulette
			lstContents.AddCategoryImage(im_g, Locale.Text(22));                // 2, instance
			lstContents.AddCategoryImage(im_r, Locale.Text(23));                // 3, FATE
			lstContents.AddCategoryImage(im_r, Locale.Text(24));                // 4, skirmish
			lstContents.AddCategoryImage(im_p, Locale.Text(25));                // 5, CE
			lstContents.AddCategoryImage(im_p, Locale.Text(38));                // 6, Match
			lstContents.AddCategoryImage(im_g, Locale.Text(39));                // 7, Entry

			lstContents.AddContentItem(0, Locale.Text(27));
		}

		public void PacketHandler(string pid, byte[] message)
		{
			if (_is_packet_finder)
				PacketFinderHandler(message);

			var opcode = BitConverter.ToUInt16(message, 18);

			if (opcode != DcConfig.Packet.OpFate &&
				opcode != DcConfig.Packet.OpDuty &&
				opcode != DcConfig.Packet.OpMatch &&
				opcode != DcConfig.Packet.OpInstance &&
				opcode != DcConfig.Packet.OpZone &&
				opcode != DcConfig.Packet.OpCe)
				return;

			var data = message.Skip(32).ToArray();

			// FATE
			if (opcode == DcConfig.Packet.OpFate)
			{
				var fcode = BitConverter.ToUInt16(data, 4);

				if (fcode > 100)
				{
					// 53=begin, 54=end, 62=progress
					if (data[0] == 53)
					{
						var fate = DcContent.GetFate(fcode);
						TraceFate(fcode, true, fate, 0);

						if (DcConfig.Duty.Fates[DcConfig.Duty.ActiveFate].Selected.Contains(fcode))
						{
							PlayEffectSoundFate();
							NotifyFate(fate);
							_overlay.PlayFate(fate);
						}

						_last_fate = fcode;
					}
					else if (data[0] == 62 && data[8] > 0)  // more than 0%
					{
						var fate = DcContent.TryFate(fcode);

						if (fate != null)
							TraceFate(fcode, false, fate, data[8]);
						else
						{
							if (DcConfig.DebugEnable)
							{
								WriteLog(Color.Magenta, 37, 12, fcode);
								_last_fate = fcode;
							}
						}
					}
					else if (data[0] == 54)
					{
						var fate = DcContent.TryFate(fcode);

						if (fate != null)
							TraceFate(fcode, false, fate);
					}
				}
			}

			// Duty
			else if (opcode == DcConfig.Packet.OpDuty)
			{
				var rcode = data[8];

				if (rcode != 0)
				{
					var roulette = DcContent.GetRoulette(rcode);
					TraceEntryRoulette(roulette);
					_overlay.PlayQueue(roulette.Name);
				}
				else
				{
					// TODO: is this working?
					var insts = new List<int>();
					for (var i = 0; i < 5; i++)
					{
						var icode = BitConverter.ToUInt16(data, 12 + (i * 4));
						if (icode == 0)
							break;
					}

					if (insts.Any())
					{
						TraceEntryInstance(insts);
						_overlay.PlayQueue(Locale.Text(10006, $"#{insts.Count}"));
					}
				}

				DcContent.Missions.Clear();
			}

			// match
			else if (opcode == DcConfig.Packet.OpMatch)
			{
				var rcode = BitConverter.ToUInt16(data, 2);
				var icode = BitConverter.ToUInt16(data, 20);
				string name;

				if (icode == 0 && rcode != 0)
				{
					var roulette = DcContent.GetRoulette(rcode);
					TraceMatchRoulette(roulette);
					name = roulette.Name;
				}
				else if (icode != 0)
				{
					var instance = DcContent.GetInstance(icode);
					TraceMatchInstance(instance);
					name = instance.Name;
				}
				else
				{
					// ???
					name = Locale.Text(10003, icode);
				}

				PlayEffecSoundInstance();
				NotifyMatch(name);
				_overlay.PlayMatch(name);
			}

			// instance
			else if (DcConfig.Packet.OpInstance != 0 && opcode == DcConfig.Packet.OpInstance)
			{
				// 0[2] instance number
				// 2[2] ?
				// 4[1] 0=enter, 4=enter, 5=leave

				if (data[4] == 0)
				{
					var icode = BitConverter.ToUInt16(data, 0);
					var instance = DcContent.GetInstance(icode);
					TraceEnterInstance(instance);
					_overlay.PlayMatch(Locale.Text(10004, instance.Name));

					DcContent.Missions.Clear();
					ResetContentItems();    // frankly no meaning to here
				}
				else if (data[4] != 4)
				{
					_overlay.PlayNone();
				}
			}

			// zone
			else if (DcConfig.Packet.OpZone != 0 && opcode == DcConfig.Packet.OpZone)
			{
				var zone = BitConverter.ToUInt16(data, 4);

				if (zone != _last_zone)
				{
					_last_zone = zone;
					ResetContentItems();
				}
			}

			// save the queen critical engagement
			else if (DcConfig.Packet.OpCe != 0 && opcode == DcConfig.Packet.OpCe)
			{
				//  0[4] timestamp
				//  4[2] mmss
				//  6[2] ?
				//  8[1] code
				//  9[1] members
				// 10[1] status 0=end, 1=register, 2=entry, 3=progress
				// 12[1] progress percentage

				if (_stq_type == DcContent.SaveTheQueenType.No)
				{
					if (IsFateForSouthernBozja(_last_fate))
						_stq_type = DcContent.SaveTheQueenType.Bozja;
					else if (IsFateForZadnor(_last_fate))
						_stq_type = DcContent.SaveTheQueenType.Zadnor;
					else
						_stq_type = DcContent.SaveTheQueenType.Zadnor;
				}

				var ce = data[8] + DcContent.SaveTheQueenTypeToCeBase(_stq_type);
				var stat = data[10];
				var fate = DcContent.GetFate(ce);

				if (stat == 0 /* || data[10] == 3 */)
				{
					if (DcContent.Missions.ContainsKey(ce))
						DcContent.Missions.Remove(ce);

					TraceCe(ce, false, fate);
				}
				else if (stat == 1 || stat == 2)
				{
					var withlog = false;

					if (!DcContent.Missions.ContainsKey(ce))
					{
						withlog = true;
						DcContent.Missions.Add(ce, 0);

						if (DcConfig.Duty.Fates[DcConfig.Duty.ActiveFate].Selected.Contains(ce))
						{
							PlayEffectSoundFate();
							NotifyFate(fate);
							_overlay.PlayFate(fate);
						}
					}

					TraceCe(ce, withlog, fate, stat == 1 ? "R" : "E");
				}
				else if (stat == 3)
				{
					if (!DcContent.Missions.ContainsKey(ce))
						DcContent.Missions.Add(ce, 0);

					TraceCe(ce, false, fate, data[12].ToString());
				}
			}
		}

		//
		public void ZoneChanged(uint zone_id, string zone_name)
		{
			//_overlay.PlayNone();

			_stq_type =
				(zone_id == 920) ? DcContent.SaveTheQueenType.Bozja :
				(zone_id == 921) ? DcContent.SaveTheQueenType.Zadnor :
				DcContent.SaveTheQueenType.No;

#if false
			LogInstance(10025, $"{zone_name} ({zone_id})");

			if (DcConfig.DebugEnable)
				LogDebug("Zone: {0}", zone_id);
#endif

			// Probably receive FATE auto end command before changing zone
			// No end data found: logout, critical engagement -> have to reset
			if (DcConfig.Packet.OpZone == 0)
				ResetContentItems();
		}

		//
		private void WriteLog(Color color, int catkey, int fmtkey, params object[] prms)
		{
			string category = Locale.Text(catkey);
			string format = Locale.Text(fmtkey);
			Logger.WriteCategory(color, category, format, prms);
		}

		//
		private void TraceFate(ushort code, bool withlog, DcContent.Fate fate, int progress = -1)
		{
			// TODO: check area

			int key, subs;

			if (_stq_type != DcContent.SaveTheQueenType.No || IsSkirmishFate(code))
			{
				key = 24;
				subs = 4;
			}
			else
			{
				key = 23;
				subs = 3;
			}

			if (withlog)
				WriteLog(Color.Black, key, 10001, fate.Name);

			WorkerAct.Invoker(() => lstContents.TreatItemFate(code, subs, progress, fate.Name));
		}

		//
		private void TraceCe(int code, bool withlog, DcContent.Fate fate, string progress = null)
		{
			if (withlog)
				WriteLog(Color.Black, 25, 10001, fate.Name);

			WorkerAct.Invoker(() => lstContents.TreatItemCe(code, 5, progress, fate.Name));
		}

		//
		private void UpdateTraceInstance(int imageindex, int count, string insname)
		{
			WorkerAct.Invoker(() => lstContents.TreatItemInstance(imageindex, count, insname));
		}

		//
		private void TraceMatchInstance(DcContent.Instance instance)
		{
			WriteLog(Color.Black, 22, 10003, instance.Name);

			UpdateTraceInstance(6, 0, instance.Name);
		}

		//
		private void TraceEnterInstance(DcContent.Instance instance)
		{
			WriteLog(Color.Black, 22, 10004, instance.Name);

			UpdateTraceInstance(2, 0, instance.Name);
		}

		//
		private void TraceEntryInstance(List<int> instances)
		{
			var insnames = string.Join("/", instances.ToArray());

			WriteLog(Color.Black, 22, 10002, insnames);

			UpdateTraceInstance(7, instances.Count, insnames);
		}

		//
		private void TraceMatchRoulette(DcContent.Roulette roulette)
		{
			WriteLog(Color.Black, 22, 10003, roulette.Name);

			UpdateTraceInstance(6, 0, roulette.Name);
		}

		//
		private void TraceEntryRoulette(DcContent.Roulette roulette)
		{
			WriteLog(Color.Black, 22, 10002, roulette.Name);

			UpdateTraceInstance(1, 0, roulette.Name);
		}

		//
		public void UpdateFates()
		{
			var fs = DcConfig.Duty.Fates[DcConfig.Duty.ActiveFate];

			treeFates.Nodes.Clear();
			fs.MakeSelects(true);

			_is_lock_fate = true;

			foreach (var a in DcContent.Areas)
			{
				var n = treeFates.Nodes.Add(a.Value.Name);
				n.Tag = a.Key + 100000;

				if (fs.Selected.Contains((int)n.Tag))
				{
					n.Checked = true;
					n.Expand();
				}

				foreach (var f in a.Value.Fates)
				{
					var name = f.Value.Name;
					var node = n.Nodes.Add(name);
					node.Tag = f.Key;

					if (fs.Selected.Contains((int)node.Tag))
					{
						node.Checked = true;

						if (!n.IsExpanded)
							n.Expand();
					}
				}
			}

			MakeFatesSelection();

			_is_lock_fate = false;
		}

		//
		private void MakeFatesSelection(bool makeline = false)
		{
			var fs = DcConfig.Duty.Fates[DcConfig.Duty.ActiveFate];

			fs.Selected.Clear();
			FateSelectionMakingLoop(treeFates.Nodes);

			if (makeline)
				fs.MakeLine();
		}

		//
		private void FateSelectionMakingLoop(TreeNodeCollection nodes)
		{
			var fs = DcConfig.Duty.Fates[DcConfig.Duty.ActiveFate];

			foreach (TreeNode n in nodes)
			{
				if (n.Checked)
					fs.Selected.Add((int)n.Tag);
				FateSelectionMakingLoop(n.Nodes);
			}
		}

		private void CboDataset_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			var l = (string)cboDataset.SelectedItem;

			if (!string.IsNullOrWhiteSpace(l) && !l.Equals(DcConfig.Duty.Language) && DcContent.ReadContent(l))
			{

				lblCurrentDataSet.Text = DcContent.DisplayLanguage;

				SaveConfig();

				if (DcConfig.DataRemoteUpdate)
					Updater.CheckNewVersion();

				UpdateFates();
			}
		}

		private void CboPacketset_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (cboPacketset.SelectedIndex >= _packet_list.Count)
				return;

			var p = _packet_list.ElementAt(cboPacketset.SelectedIndex);
			var n = p.Key;

			if (!string.IsNullOrWhiteSpace(n) && !n.Equals(DcConfig.Duty.PacketSet) && DcConfig.ReadPacket(n))
			{
				SaveConfig();

				if (!n.Equals(DcConfig.PacketConfig.DefaultSetNameCustom))
				{
					// check update and save
					RemotePacketUpdate(n);
				}
			}
		}

		private void TreeFates_AfterCheck(object sender, TreeViewEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (_is_lock_fate)
				return;

			_is_lock_fate = true;

			if (((int)e.Node.Tag) > 100000)
			{
				foreach (TreeNode n in e.Node.Nodes)
					n.Checked = e.Node.Checked;
			}
			else
			{
				if (!e.Node.Checked)
					e.Node.Parent.Checked = false;
				else
				{
					var f = true;
					foreach (TreeNode n in e.Node.Parent.Nodes)
						f &= n.Checked;
					e.Node.Parent.Checked = f;
				}
			}

			MakeFatesSelection(true);
			SaveConfig();

			_is_lock_fate = false;
		}

		//
		private void ChangeFatePreset(int index)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (index >= 0 && index < 4)
			{
				DcConfig.Duty.ActiveFate = index;
				UpdateFates();

				SaveConfig();
			}
		}

		private void RdoFatePreset1_CheckedChanged(object sender, EventArgs e)
		{
			ChangeFatePreset(0);
		}

		private void RdoFatePreset2_CheckedChanged(object sender, EventArgs e)
		{
			ChangeFatePreset(1);
		}

		private void RdoFatePreset3_CheckedChanged(object sender, EventArgs e)
		{
			ChangeFatePreset(2);
		}

		private void RdoFatePreset4_CheckedChanged(object sender, EventArgs e)
		{
			ChangeFatePreset(3);
		}

		private void ChkEnableOverlay_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			progbOverlayTransparent.Enabled = chkEnableOverlay.Checked;
			btnOverlayDimming.Enabled = chkEnableOverlay.Checked;

			if (chkEnableOverlay.Checked)
				_overlay.Show();
			else
				_overlay.Hide();

			DcConfig.Duty.EnableOverlay = chkEnableOverlay.Checked;

			SaveConfig();
		}

		private void ProgbOverlayTransparent_Click(object sender, EventArgs e)
		{

		}

		private void BtnOverlayDimming_Click(object sender, EventArgs e)
		{
			_overlay.ResetAutoHide();
			_overlay.StartBlink();
		}

		private void ChkOverlayClickThru_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.OverlayClickThru = chkOverlayClickThru.Checked;
			_overlay.SetClickThruStatus(chkOverlayClickThru.Checked);

			SaveConfig();
		}

		private void ChkOverlayAutoHide_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.OverlayAutoHide = chkOverlayAutoHide.Checked;

			SaveConfig();
		}

		private void ChkEnableSound_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			txtSoundInstance.Enabled = chkEnableSound.Checked;
			btnSoundFindInstance.Enabled = chkEnableSound.Checked;
			btnSoundPlayInstance.Enabled = chkEnableSound.Checked;
			txtSoundFate.Enabled = chkEnableSound.Checked;
			btnSoundFindFate.Enabled = chkEnableSound.Checked;
			btnSoundPlayFate.Enabled = chkEnableSound.Checked;

			DcConfig.Duty.EnableSound = chkEnableSound.Checked;

			SaveConfig();
		}

		//
		private void PlayEffectSoundFate()
		{
			if (DcConfig.Duty.EnableSound)
				WorkerAct.PlayEffectSound(DcConfig.Duty.SoundFateFile, DcConfig.Duty.SoundFateVolume);
		}

		//
		private void PlayEffecSoundInstance()
		{
			if (DcConfig.Duty.EnableSound)
				WorkerAct.PlayEffectSound(DcConfig.Duty.SoundInstanceFile, DcConfig.Duty.SoundInstanceVolume);
		}

		private void BtnSoundPlayInstance_Click(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			PlayEffecSoundInstance();
		}

		private void BtnSoundPlayFate_Click(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			PlayEffectSoundFate();
		}

		//
		private string SoundFileOpenDialog()
		{
			string filename = (string)WorkerAct.Invoker(new WorkerAct.ObjectReturnerDelegate(() =>
			{
				var dg = new OpenFileDialog
				{
					Title = Locale.Text(101),
					DefaultExt = "wav",
					Filter = Locale.Text(102)
				};

				return (dg.ShowDialog() == DialogResult.OK) ? dg.FileName : null;
			}));

			return filename;
		}

		private void BtnSoundFindInstance_Click(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			string filename = SoundFileOpenDialog();

			DcConfig.Duty.SoundInstanceFile = string.IsNullOrEmpty(filename) ? string.Empty : filename;
			txtSoundInstance.Text = DcConfig.Duty.SoundInstanceFile;

			SaveConfig();
		}

		private void BtnSoundFindFate_Click(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			string filename = SoundFileOpenDialog();

			DcConfig.Duty.SoundFateFile = string.IsNullOrEmpty(filename) ? string.Empty : filename;
			txtSoundFate.Text = DcConfig.Duty.SoundFateFile;

			SaveConfig();
		}

		private async void BtnTestNotify_Click(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			string s = Locale.Text(103);

			if (DcConfig.Duty.UseNotifyLine)
				await NotifyUsingLine(s);

			if (DcConfig.Duty.UseNotifyTelegram)
				NotifyUsingTelegram(s);

			if (DcConfig.Duty.UseNotifyDiscordWebhook)
				await NotifyUsingDiscordWebhook(s);
		}

		//
		private void SendNotify(string s)
		{
			if (DcConfig.Duty.UseNotifyLine)
				NotifyUsingLine(s).Wait();

			if (DcConfig.Duty.UseNotifyTelegram)
				NotifyUsingTelegram(s);

			if (DcConfig.Duty.UseNotifyDiscordWebhook)
				NotifyUsingDiscordWebhook(s).Wait();
		}

		//
		private void NotifyFate(DcContent.Fate f)
		{
			if (!DcConfig.Duty.EnableNotify)
				return;

			string s = Locale.Text(10005, f.Name);
			SendNotify(s);
		}

		//
		private void NotifyMatch(string name)
		{
			if (!DcConfig.Duty.EnableNotify)
				return;

			string s = Locale.Text(10003, name);
			SendNotify(s);
		}

		private void ChkUseNotifyLine_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.UseNotifyLine = chkUseNotifyLine.Checked;
			txtLineToken.Enabled = chkUseNotifyLine.Checked;

			btnTestNotify.Enabled = DcConfig.Duty.EnableNotify;

			SaveConfig();
		}

		private void LblLineNotifyBotLink_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			Process.Start(lblLineNotifyBotLink.Text);
		}

		private void TxtLineToken_KeyDown(object sender, KeyEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (e.KeyCode == Keys.Enter)
			{
				DcConfig.Duty.NotifyLineToken = txtLineToken.Text;
				SaveConfig();
			}

			btnTestNotify.Enabled = true;
		}

		//
		internal async Task NotifyUsingLine(string mesg)
		{
			if (txtLineToken.TextLength == 0)
				return;

			if (!txtLineToken.Text.Equals(DcConfig.Duty.NotifyLineToken))
			{
				DcConfig.Duty.NotifyLineToken = txtLineToken.Text;
				SaveConfig();
			}

			var hc = new HttpClient();
			hc.DefaultRequestHeaders.Add("Authorization", $"Bearer {DcConfig.Duty.NotifyLineToken}");

			var param = new Dictionary<string, string>
			{
				{ "message", mesg }
			};

			await hc.PostAsync("https://notify-api.line.me/api/notify",
				new FormUrlEncodedContent(param)).ConfigureAwait(false);
		}

		//
		private void ChkUseNotifyTelegram_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.UseNotifyTelegram = chkUseNotifyTelegram.Checked;
			txtTelegramId.Enabled = chkUseNotifyTelegram.Checked;
			txtTelegramToken.Enabled = chkUseNotifyTelegram.Checked;

			btnTestNotify.Enabled = DcConfig.Duty.EnableNotify;

			SaveConfig();
		}

		private void TxtTelegramId_KeyDown(object sender, KeyEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (e.KeyCode == Keys.Enter)
			{
				DcConfig.Duty.NotifyTelegramId = txtTelegramId.Text;
				SaveConfig();
			}

			btnTestNotify.Enabled = true;
		}

		private void TxtTelegramToken_KeyDown(object sender, KeyEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (e.KeyCode == Keys.Enter)
			{
				DcConfig.Duty.NotifyTelegramToken = txtTelegramToken.Text;
				SaveConfig();
			}

			btnTestNotify.Enabled = true;
		}

		//
		private static string EncodeJsonChars(string text)
		{
			return text.Replace("\b", "\\\b")
			.Replace("\f", "\\\f")
			.Replace("\n", "\\\n")
			.Replace("\r", "\\\r")
			.Replace("\t", "\\\t")
			.Replace("\"", "\\\"")
			.Replace("\\", "\\\\");
		}

		//
		private bool NotifyUsingTelegram(string mesg)
		{
			if (txtTelegramId.TextLength == 0 || txtTelegramToken.TextLength == 0)
				return false;

			if (!txtTelegramId.Text.Equals(DcConfig.Duty.NotifyTelegramId))
			{
				DcConfig.Duty.NotifyTelegramId = txtTelegramId.Text;
				SaveConfig();
			}

			if (!txtTelegramToken.Text.Equals(DcConfig.Duty.NotifyTelegramToken))
			{
				DcConfig.Duty.NotifyTelegramToken = txtTelegramToken.Text;
				SaveConfig();
			}

			// https://codingman.tistory.com/41

			var json = string.Format("{{\"chat_id\":\"{0}\", \"text\":\"{1}\"}}",
				DcConfig.Duty.NotifyTelegramId, EncodeJsonChars(mesg));
			var jbin = Encoding.UTF8.GetBytes(json);

			var url = string.Format("https://api.telegram.org/bot{0}/sendMessage", DcConfig.Duty.NotifyTelegramToken);
			HttpWebRequest req = WebRequest.Create(new Uri(url)) as HttpWebRequest;
			req.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
			req.Timeout = 30 * 1000;
			req.Method = "POST";
			req.ContentType = "application/json";

			using (var st = req.GetRequestStream())
			{
				st.Write(jbin, 0, jbin.Length);
				st.Flush();
			}

			HttpWebResponse res = null;
			try
			{
				res = req.GetResponse() as HttpWebResponse;
				if (res.StatusCode == HttpStatusCode.OK)
				{
					string ss = null;
					using (var st = res.GetResponseStream())
					{
						using (var rdr = new StreamReader(st, Encoding.UTF8))
							ss = rdr.ReadToEnd();
					}

					if (0 < ss.IndexOf("\"ok\":true"))
						return true;
					else
						return false;
				}
				else
				{
					// http status is not ok
					return false;
				}
			}
			catch
			{
				// ???
				return false;
			}
			finally
			{
				if (res != null)
					res.Close();
			}
		}

		private void ChkUseNotifyDiscowk_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.UseNotifyDiscordWebhook = chkUseNotifyDiscowk.Checked;
			txtDiscowkUrl.Enabled = chkUseNotifyDiscowk.Checked;

			btnTestNotify.Enabled = DcConfig.Duty.EnableNotify;

			SaveConfig();
		}

		private void TxtDiscowkUrl_KeyDown(object sender, KeyEventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			if (e.KeyCode == Keys.Enter)
			{
				if (!IsValidDiscwkUrl(txtDiscowkUrl.Text))
				{
					Logger.E(342);
					return;
				}

				DcConfig.Duty.NotifyDiscordWebhookUrl = txtDiscowkUrl.Text;
				SaveConfig();
			}

			btnTestNotify.Enabled = true;
		}

		private void ChkDiscowkTts_CheckedChanged(object sender, EventArgs e)
		{
			if (!DcConfig.PluginEnable)
				return;

			DcConfig.Duty.NotifyDiscordWebhookTts = chkDiscowkTts.Checked;

			btnTestNotify.Enabled = DcConfig.Duty.EnableNotify;

			SaveConfig();
		}

		private static bool IsValidDiscwkUrl(string url)
		{
			url = url.ToLower();
			return url.StartsWith("https://discord.com/api/webhooks/");
		}

		//
		internal async Task NotifyUsingDiscordWebhook(string mesg)
		{
			if (txtDiscowkUrl.TextLength == 0)
				return;

			if (!IsValidDiscwkUrl(txtDiscowkUrl.Text))
			{
				Logger.E(342);
				return;
			}

			if (!txtDiscowkUrl.Text.Equals(DcConfig.Duty.NotifyDiscordWebhookUrl))
			{
				DcConfig.Duty.NotifyDiscordWebhookUrl = txtDiscowkUrl.Text;
				SaveConfig();
			}

			var hc = new HttpClient();
			var param = new Dictionary<string, string>
			{
				{ "content", mesg },
				{ "tts", DcConfig.Duty.NotifyDiscordWebhookTts.ToString() },
			};

			await hc.PostAsync(DcConfig.Duty.NotifyDiscordWebhookUrl,
				new FormUrlEncodedContent(param)).ConfigureAwait(false);
		}

		//
		private void PacketFinderResetUi(bool is_enable)
		{
			if (!is_enable)
			{
				btnPacketStart.Text = Locale.Text(10007);
				btnPacketStart.BackColor = Color.Transparent;
			}
			else
			{
				btnPacketStart.Text = Locale.Text(10008);
				btnPacketStart.BackColor = Color.Salmon;
			}

			btnPacketApply.Visible = is_enable;
			btnPacketApply.Enabled = is_enable;
			lstPacketInfo.Enabled = is_enable;
			txtPacketInfo.Enabled = is_enable;
			txtPacketDescription.Enabled = is_enable;
			lstBozjaInfo.Enabled = is_enable;
		}

		//
		private void PacketFindClearUi(DcConfig.PacketConfig newpk)
		{
			//
			lblPacketVersion.Text = newpk.Version.ToString();
			txtPacketDescription.Text = newpk.Description;
			lstBozjaInfo.Items.Clear();

			// FATE
			lstPacketInfo.Items[0].SubItems[1].Text = DcConfig.Packet.OpFate.ToString();
			lstPacketInfo.Items[0].SubItems[2].Text = "";
			lstPacketInfo.Items[0].SubItems[3].Text = newpk.OpFate.ToString();

			// Duty
			lstPacketInfo.Items[1].SubItems[1].Text = DcConfig.Packet.OpDuty.ToString();
			lstPacketInfo.Items[1].SubItems[2].Text = "";
			lstPacketInfo.Items[1].SubItems[3].Text = newpk.OpDuty.ToString();

			// Match
			lstPacketInfo.Items[2].SubItems[1].Text = DcConfig.Packet.OpMatch.ToString();
			lstPacketInfo.Items[2].SubItems[2].Text = "";
			lstPacketInfo.Items[2].SubItems[3].Text = newpk.OpMatch.ToString();

			// Instance
			lstPacketInfo.Items[3].SubItems[1].Text = DcConfig.Packet.OpInstance.ToString();
			lstPacketInfo.Items[3].SubItems[2].Text = "";
			lstPacketInfo.Items[3].SubItems[3].Text = newpk.OpInstance.ToString();

			// Zone
			lstPacketInfo.Items[4].SubItems[1].Text = DcConfig.Packet.OpZone.ToString();
			lstPacketInfo.Items[4].SubItems[2].Text = "";
			lstPacketInfo.Items[4].SubItems[3].Text = newpk.OpZone.ToString();

			// Bozja
			lstPacketInfo.Items[5].SubItems[1].Text = DcConfig.Packet.OpCe.ToString();
			lstPacketInfo.Items[5].SubItems[2].Text = "";
			lstPacketInfo.Items[5].SubItems[3].Text = newpk.OpCe.ToString();
		}

		private void BtnPacketStart_Click(object sender, EventArgs e)
		{
			if (!_is_packet_finder)
			{
				_new_packet = new DcConfig.PacketConfig(DateTime.Now);
				PacketFindClearUi(_new_packet);
			}

			_is_packet_finder = !_is_packet_finder;
			PacketFinderResetUi(_is_packet_finder);
		}

		private void BtnPacketApply_Click(object sender, EventArgs e)
		{
			var ret = (DialogResult)WorkerAct.Invoker(new WorkerAct.ObjectReturnerDelegate(() =>
				  {
					  var r = MessageBox.Show(Locale.Text(10022), Locale.Text(0), MessageBoxButtons.YesNo, MessageBoxIcon.Question);
					  return r;
				  }));

			if (ret == DialogResult.Yes)
			{
				var newfilename = DcConfig.BuildPacketFileName(DcConfig.PacketConfig.DefaultSetNameCustom);

				_new_packet.Description = txtPacketDescription.Text;
				_new_packet.Save(newfilename);

				_is_packet_finder = false;
				PacketFinderResetUi(false);

				// select custom
				DcConfig.Duty.PacketSet = DcConfig.PacketConfig.DefaultSetNameCustom;
				RefreshPacketList();
			}
		}

		private void LstPacketInfo_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (lstPacketInfo.SelectedIndices.Count != 1)
				return;

			int m;

			switch (lstPacketInfo.SelectedIndices[0])
			{
				case 0: m = 10010; break;
				case 1: m = 10011; break;
				case 2: m = 10011; break;
				case 3: m = 10011; break;
				case 4: m = 10026; break;
				case 5: m = 10014; break;
				default: m = 10015; break;
			}

			txtPacketInfo.Text = Locale.Text(m);
		}

		private void LstPacketInfo_MouseDoubleClick(object sender, MouseEventArgs e)
		{
			if (lstPacketInfo.SelectedIndices.Count != 1)
				return;

			var v = int.MaxValue;

			switch (lstPacketInfo.SelectedIndices[0])
			{
				case 0:
					v = _new_packet.OpFate = DcConfig.Packet.OpFate;
					break;

				case 1:
					v = _new_packet.OpDuty = DcConfig.Packet.OpDuty;
					break;

				case 2:
					v = _new_packet.OpMatch = DcConfig.Packet.OpMatch;
					break;

				case 3:
					v = _new_packet.OpInstance = DcConfig.Packet.OpInstance;
					break;

				case 4:
					v = _new_packet.OpZone = DcConfig.Packet.OpZone;
					break;

				case 5:
					v = _new_packet.OpCe = DcConfig.Packet.OpCe;
					break;
			}

			if (v != int.MaxValue)
			{
				lstPacketInfo.SelectedItems[0].SubItems[2].Text = Locale.Text(10024);
				lstPacketInfo.SelectedItems[0].SubItems[3].Text = v.ToString();
			}
		}

		private void LstBozjaInfo_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (lstBozjaInfo.SelectedItems.Count != 1)
				return;

			ushort opcode = (ushort)lstBozjaInfo.SelectedItems[0].Tag;

			_new_packet.OpCe = opcode;

			lstPacketInfo.Items[5].SubItems[2].Text = Locale.Text(10023);
			lstPacketInfo.Items[5].SubItems[3].Text = _new_packet.OpCe.ToString();
		}

		private void LstBozjaInfo_MouseDoubleClick(object sender, MouseEventArgs e)
		{

		}

		// middle la noscea
		private static readonly ushort[] _fates_middle_la_noscea =
		{
			553, 649, 687, 688, 693, 717,
			220, 221, 222, 223, 225, 226, 227, 229, 231, 233, 235, 237, 238, 239, 240,
			1387,
		};

		// southern bozja front
		private static readonly ushort[] _fates_southern_bojza =
		{
			1597, 1598, 1599,
			1600, 1601, 1602, 1603, 1604, 1605, 1606, 1607, 1608, 1609,
			1610, 1611, 1612, 1613, 1614, 1615, 1616, 1617, 1618, 1619,
			1620, 1621, 1622, 1623, 1624, 1625, 1626, 1627, 1628,
		};

		// zadnor
		private static readonly ushort[] _fates_zadnor =
		{
			1717, 1718, 1719, 1720, 1721, 1722, 1723, 1724,
			1725, 1726, 1727, 1728, 1729, 1730, 1731, 1732,
			1733, 1734, 1735, 1736, 1737, 1738, 1739, 1740, 1741, 1742,
		};

		//
		private bool IsFateInFindList(ushort code)
		{
			return
				_fates_middle_la_noscea.Contains(code) ||
				_fates_southern_bojza.Contains(code) ||
				_fates_zadnor.Contains(code);
		}

		//
		private bool IsSkirmishFate(ushort code)
		{
			return
				_fates_southern_bojza.Contains(code) ||
				_fates_zadnor.Contains(code);
		}

		//
		private bool IsFateForSouthernBozja(ushort code)
		{
			return _fates_southern_bojza.Contains(code);
		}

		//
		private bool IsFateForZadnor(ushort code)
		{
			return _fates_zadnor.Contains(code);
		}

		//
		private void PacketFinderHandler(byte[] message)
		{
			var opcode = BitConverter.ToUInt16(message, 18);
			var data = message.Skip(32).ToArray();

			// fate
			if (_new_packet.OpFate == 0 && data.Length > 4 && data[0] == 0x3E)
			{
				var cc = BitConverter.ToUInt16(data, 4);
				if (IsFateInFindList(cc) && _new_packet.OpFate != opcode)
				{
					_new_packet.OpFate = opcode;

					WorkerAct.Invoker(() =>
					{
						lstPacketInfo.Items[0].SubItems[2].Text = Locale.Text(10016);
						lstPacketInfo.Items[0].SubItems[3].Text = _new_packet.OpFate.ToString();
					});

					_last_fate = cc;

					return;
				}
			}

			// duty
			if (_new_packet.OpDuty == 0 && data.Length > 12)
			{
				var rcode = data[8];
				if (rcode == 0)
				{
					// Urth's Found (82)
					short m = BitConverter.ToInt16(data, 12);
					if (m == 82 && _new_packet.OpDuty != opcode)
					{
						_new_packet.OpDuty = opcode;

						WorkerAct.Invoker(() =>
						{
							lstPacketInfo.Items[1].SubItems[2].Text = Locale.Text(10016);
							lstPacketInfo.Items[1].SubItems[3].Text = _new_packet.OpDuty.ToString();
						});

						return;
					}
				}
			}

			// match
			if (_new_packet.OpMatch == 0 && data.Length > 20)
			{
				var rcode = data[2];
				if (rcode == 0)
				{
					// The Steps of Fath (83)
					short m = BitConverter.ToInt16(data, 20);
					if (m == 83 && _new_packet.OpMatch != opcode)
					{
						_new_packet.OpMatch = opcode;

						WorkerAct.Invoker(() =>
						{
							lstPacketInfo.Items[2].SubItems[2].Text = Locale.Text(10016);
							lstPacketInfo.Items[2].SubItems[3].Text = _new_packet.OpMatch.ToString();
						});

						return;
					}
				}
			}

			// instance
			if (_new_packet.OpInstance == 0 && data.Length >= 16)
			{
				// The Steps of Fath (83)
				short m = BitConverter.ToInt16(data, 0);
				short u = BitConverter.ToInt16(data, 2);
				if (m == 83 && u == 0 && _new_packet.OpInstance != opcode)
				{
					_new_packet.OpInstance = opcode;

					WorkerAct.Invoker(() =>
					{
						lstPacketInfo.Items[3].SubItems[2].Text = Locale.Text(10016);
						lstPacketInfo.Items[3].SubItems[3].Text = _new_packet.OpInstance.ToString();
					});

					return;
				}
			}

			// zone
			if (_new_packet.OpZone == 0 && data.Length == 16)
			{
				// Middle La Noscea (134)
				var h = BitConverter.ToUInt32(data, 0);
				var z = BitConverter.ToUInt16(data, 4);
				if (h == 0 && z == 134)
				{
					_new_packet.OpZone = opcode;

					WorkerAct.Invoker(() =>
					{
						lstPacketInfo.Items[4].SubItems[2].Text = Locale.Text(10016);
						lstPacketInfo.Items[4].SubItems[3].Text = _new_packet.OpZone.ToString();
					});

					return;
				}
			}

			// critical engagement
			if (data.Length >= 12 && _stq_type != DcContent.SaveTheQueenType.No)
			{
				//  0[4] timestamp
				//  4[2] mmss
				//  6[2] ?
				//  8[1] code
				//  9[1] members
				// 10[1] status 0=end, 1=register, 2=entry, 3=progress
				// 12[1] progress percentage

				var code = data[8];

				if (code < 0 || code > 15)
				{
					// not ce
					return;
				}

				var ok = false;
				var mem = data[9];
				var stat = data[10];
				var prg = data[12];

				/*
				if (stat == 0)
				{
					// end. other conditions unknown
					ok = true;
				}
				else*/
				if (stat == 1)
				{
					// register. progress must be 0
					if (mem >= 0 && mem <= 48 && prg == 0)
						ok = true;
				}
				else if (stat == 2)
				{
					// entry. progress must be 0
					if (mem >= 0 && mem <= 48 && prg == 0)
						ok = true;
				}
				else if (stat == 3)
				{
					// progress. progress must be in 1~99
					if (mem > 0 && mem <= 48 && prg >= 1 && prg < 100)
						ok = true;
				}

				if (ok)
				{
					if (_stq_type == DcContent.SaveTheQueenType.No)
					{
						if (IsFateForSouthernBozja(_last_fate))
							_stq_type = DcContent.SaveTheQueenType.Bozja;
						else if (IsFateForZadnor(_last_fate))
							_stq_type = DcContent.SaveTheQueenType.Zadnor;
						else
							_stq_type = DcContent.SaveTheQueenType.Zadnor;
					}

					var ce = DcContent.GetFate(code + DcContent.SaveTheQueenTypeToCeBase(_stq_type));

					var li = new ListViewItem(new string[]
					{
						ce.Name,
						DcContent.CeStatusToString(stat),
						mem.ToString(),
						prg.ToString()
					})
					{
						Tag = opcode
					};

					WorkerAct.Invoker(() =>
					{
						lstBozjaInfo.Items.Add(li);
						lstBozjaInfo.EnsureVisible(lstBozjaInfo.Items.Count - 1);
					});
				}
			}
		}

		private void RemotePacketUpdate(string name)
		{
			// need to resign using thread -> blocked by network troubles
			if (!DcConfig.DataRemoteUpdate)
				return;

			var ns = Updater.CheckNewPacket(name);

			if (!string.IsNullOrWhiteSpace(ns))
			{
				var pk = DcConfig.PacketConfig.ParseString(ns);

				if (pk.Version > DcConfig.Packet.Version)
				{
					DcConfig.Packet.Version = pk.Version;
					DcConfig.Packet.Description = pk.Description;
					DcConfig.Packet.OpFate = pk.OpFate;
					DcConfig.Packet.OpDuty = pk.OpDuty;
					DcConfig.Packet.OpMatch = pk.OpMatch;
					DcConfig.Packet.OpInstance = pk.OpInstance;
					DcConfig.Packet.OpZone = pk.OpZone;
					DcConfig.Packet.OpCe = pk.OpCe;

					var nfn = DcConfig.BuildPacketFileName(name);
					pk.Save(nfn);

					Logger.I(33, pk.Version, pk.Description);

					//
					_packet_list.Remove(name);
					_packet_list.Add(name, pk.Description);

					RefreshPacketList(false);
				}
			}
		}

		private void RefreshDatasetList()
		{
			// quick description read?

			cboDataset.Items.Clear();

			DirectoryInfo di = new DirectoryInfo(DcConfig.DataPath);

			foreach (var fi in di.GetFiles("DcDuty-*.json"))
			{
				var s = fi.Name.Substring(7, fi.Name.Length - 7 - 5);
				var n = cboDataset.Items.Add(s);

				if (s.Equals(DcConfig.Duty.Language))
					cboDataset.SelectedIndex = n;
			}
		}

		private void RefreshPacketList(bool reload_file_info = true)
		{
			if (reload_file_info)
			{
				_packet_list.Clear();

				DirectoryInfo di = new DirectoryInfo(DcConfig.DataPath);

				foreach (var fi in di.GetFiles("DcPacket-*.config"))
				{
					var name = fi.Name.Substring(9, fi.Name.Length - 9 - 7);

					var db = new ThirdParty.LineDb(fi.FullName, Encoding.UTF8, false);
					var desc = db.Get("Description", null);

					if (desc == null)
					{
						// config file was for below version 9
						_packet_list.Add(name, name);
					}
					else
					{
						_packet_list.Add(name, desc);
					}
				}
			}

			cboPacketset.Items.Clear();

			foreach (var i in _packet_list)
			{
				var n = cboPacketset.Items.Add(i.Value);

				if (i.Key.Equals(DcConfig.Duty.PacketSet))
					cboPacketset.SelectedIndex = n;
			}
		}

		private void BtnResetContentList_Click(object sender, EventArgs e)
		{
			lstContents.ResetContentItems();
		}

		public void ResetContentItems()
		{
			WorkerAct.Invoker(() => lstContents.ResetContentItems());
		}
	}
}