using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Text.RegularExpressions;
using System.Text.RegularExpressions.Generated;
using Dalamud.Bindings.ImGui;
using Dalamud.Game.Text;
using Dalamud.Interface;
using Dalamud.Interface.Colors;
using Dalamud.Interface.Components;
using Dalamud.Interface.Utility.Raii;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;
using Questionable.Controller;
using Questionable.Controller.Steps.Shared;
using Questionable.Functions;
using Questionable.Model;
using Questionable.Model.Questing;

namespace Questionable.Windows.QuestComponents;

internal sealed class ActiveQuestComponent
{
	private readonly QuestController _questController;

	private readonly MovementController _movementController;

	private readonly CombatController _combatController;

	private readonly GatheringController _gatheringController;

	private readonly QuestFunctions _questFunctions;

	private readonly ICommandManager _commandManager;

	private readonly Configuration _configuration;

	private readonly QuestRegistry _questRegistry;

	private readonly PriorityWindow _priorityWindow;

	private readonly UiUtils _uiUtils;

	private readonly IClientState _clientState;

	private readonly IChatGui _chatGui;

	private readonly ILogger<ActiveQuestComponent> _logger;

	public event EventHandler? Reload;

	[GeneratedRegex("\\s\\s+", RegexOptions.IgnoreCase, "en-US")]
	[GeneratedCode("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
	private static Regex MultipleWhitespaceRegex()
	{
		return _003CRegexGenerator_g_003EFBB8301322196CF81C64F1652C2FA6E1D6BF3907141F781E9D97ABED51BF056C4__MultipleWhitespaceRegex_0.Instance;
	}

	public ActiveQuestComponent(QuestController questController, MovementController movementController, CombatController combatController, GatheringController gatheringController, QuestFunctions questFunctions, ICommandManager commandManager, Configuration configuration, QuestRegistry questRegistry, PriorityWindow priorityWindow, UiUtils uiUtils, IClientState clientState, IChatGui chatGui, ILogger<ActiveQuestComponent> logger)
	{
		_questController = questController;
		_movementController = movementController;
		_combatController = combatController;
		_gatheringController = gatheringController;
		_questFunctions = questFunctions;
		_commandManager = commandManager;
		_configuration = configuration;
		_questRegistry = questRegistry;
		_priorityWindow = priorityWindow;
		_uiUtils = uiUtils;
		_clientState = clientState;
		_chatGui = chatGui;
		_logger = logger;
	}

	public void Draw(bool isMinimized)
	{
		(QuestController.QuestProgress, QuestController.ECurrentQuestType)? currentQuestDetails = _questController.CurrentQuestDetails;
		QuestController.QuestProgress questProgress = currentQuestDetails?.Item1;
		QuestController.ECurrentQuestType? currentQuestType = currentQuestDetails?.Item2;
		if (questProgress != null)
		{
			DrawQuestNames(questProgress, currentQuestType);
			QuestProgressInfo questProgressInfo = DrawQuestWork(questProgress, isMinimized);
			if (_combatController.IsRunning)
			{
				ImGui.TextColored(ImGuiColors.DalamudOrange, "In Combat");
			}
			else
			{
				string currentTaskState = _questController.CurrentTaskState;
				if (currentTaskState != null)
				{
					using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.DalamudOrange))
					{
						ImGui.TextUnformatted(currentTaskState);
					}
				}
				else
				{
					using (ImRaii.Disabled())
					{
						ImGui.TextUnformatted(_questController.DebugState ?? string.Empty);
					}
				}
			}
			try
			{
				QuestSequence questSequence = questProgress.Quest.FindSequence(questProgress.Sequence);
				QuestStep questStep = questSequence?.FindStep(questProgress.Step);
				if (!isMinimized)
				{
					using (ImRaii.Color color = new ImRaii.Color())
					{
						bool flag;
						if (questStep != null)
						{
							EInteractionType interactionType = questStep.InteractionType;
							if (interactionType == EInteractionType.WaitForManualProgress || interactionType == EInteractionType.Snipe || interactionType == EInteractionType.Instruction)
							{
								flag = true;
								goto IL_0154;
							}
						}
						flag = false;
						goto IL_0154;
						IL_0154:
						if (flag)
						{
							color.Push(ImGuiCol.Text, ImGuiColors.DalamudOrange);
						}
						ImGui.TextUnformatted(questStep?.Comment ?? questSequence?.Comment ?? questProgress.Quest.Root.Comment ?? string.Empty);
					}
					ImGui.Text(_questController.ToStatString());
				}
				DrawQuestButtons(questProgress, questStep, questProgressInfo, isMinimized);
			}
			catch (Exception ex)
			{
				ImGui.TextColored(ImGuiColors.DalamudRed, ex.ToString());
				_logger.LogError(ex, "Could not handle active quest buttons");
			}
			DrawSimulationControls();
		}
		else
		{
			ImGui.Text("No active quest");
			if (!isMinimized)
			{
				Vector4 col = ImGuiColors.DalamudGrey;
				ImU8String text = new ImU8String(14, 1);
				text.AppendFormatted(_questRegistry.Count);
				text.AppendLiteral(" quests loaded");
				ImGui.TextColored(in col, text);
			}
			if (ImGuiComponents.IconButton(FontAwesomeIcon.Stop))
			{
				_movementController.Stop();
				_questController.Stop("Manual (no active quest)");
				_gatheringController.Stop("Manual (no active quest)");
			}
			ImGui.SameLine();
			if (ImGuiComponents.IconButton(FontAwesomeIcon.SortAmountDown))
			{
				_priorityWindow.ToggleOrUncollapse();
			}
		}
	}

	private void DrawQuestNames(QuestController.QuestProgress currentQuest, QuestController.ECurrentQuestType? currentQuestType)
	{
		if (currentQuestType == QuestController.ECurrentQuestType.Simulated)
		{
			using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.DalamudRed))
			{
				ImU8String text = new ImU8String(26, 4);
				text.AppendLiteral("Simulated Quest: ");
				text.AppendFormatted(Shorten(currentQuest.Quest.Info.Name));
				text.AppendLiteral(" (");
				text.AppendFormatted(currentQuest.Quest.Id);
				text.AppendLiteral(") / ");
				text.AppendFormatted(currentQuest.Sequence);
				text.AppendLiteral(" / ");
				text.AppendFormatted(currentQuest.Step);
				ImGui.TextUnformatted(text);
				return;
			}
		}
		if (currentQuestType == QuestController.ECurrentQuestType.Gathering)
		{
			using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.ParsedGold))
			{
				ImU8String text = new ImU8String(20, 4);
				text.AppendLiteral("Gathering: ");
				text.AppendFormatted(Shorten(currentQuest.Quest.Info.Name));
				text.AppendLiteral(" (");
				text.AppendFormatted(currentQuest.Quest.Id);
				text.AppendLiteral(") / ");
				text.AppendFormatted(currentQuest.Sequence);
				text.AppendLiteral(" / ");
				text.AppendFormatted(currentQuest.Step);
				ImGui.TextUnformatted(text);
				return;
			}
		}
		QuestController.QuestProgress startedQuest = _questController.StartedQuest;
		if (startedQuest != null)
		{
			if (startedQuest.Quest.Source == Quest.ESource.UserDirectory)
			{
				ImGui.PushFont(UiBuilder.IconFont);
				ImGui.TextColored(ImGuiColors.DalamudOrange, FontAwesomeIcon.FilePen.ToIconString());
				ImGui.PopFont();
				ImGui.SameLine(0f);
				if (ImGui.IsItemHovered())
				{
					ImGui.SetTooltip("This quest is loaded from your 'pluginConfigs\\Questionable\\Quests' directory.\nThis gets loaded even if Questionable ships with a newer/different version of the quest.");
				}
			}
			ImU8String text = new ImU8String(16, 4);
			text.AppendLiteral("Quest: ");
			text.AppendFormatted(Shorten(startedQuest.Quest.Info.Name));
			text.AppendLiteral(" (");
			text.AppendFormatted(startedQuest.Quest.Id);
			text.AppendLiteral(") / ");
			text.AppendFormatted(startedQuest.Sequence);
			text.AppendLiteral(" / ");
			text.AppendFormatted(startedQuest.Step);
			ImGui.TextUnformatted(text);
			if (startedQuest.Quest.Root.Disabled)
			{
				ImGui.SameLine();
				ImGui.TextColored(ImGuiColors.DalamudRed, "Disabled");
			}
			bool flag = _configuration.Stop.Enabled && _configuration.Stop.LevelToStopAfter;
			bool flag2 = _configuration.Stop.Enabled && _configuration.Stop.QuestsToStopAfter.Any((ElementId x) => !_questFunctions.IsQuestComplete(x) && !_questFunctions.IsQuestUnobtainable(x));
			bool flag3 = _configuration.Stop.Enabled && _configuration.Stop.SequenceToStopAfter;
			if (flag || flag2 || flag3)
			{
				ImGui.SameLine();
				Vector4 col = ImGuiColors.ParsedPurple;
				if (flag)
				{
					int num = _clientState.LocalPlayer?.Level ?? 0;
					if (num > 0 && num >= _configuration.Stop.TargetLevel)
					{
						col = ImGuiColors.ParsedGreen;
					}
					else if (num > 0)
					{
						col = ImGuiColors.ParsedBlue;
					}
				}
				if (flag3)
				{
					col = ((startedQuest.Sequence < _configuration.Stop.TargetSequence) ? ImGuiColors.ParsedBlue : ImGuiColors.ParsedGreen);
				}
				ImGui.TextColored(in col, SeIconChar.Clock.ToIconString());
				if (ImGui.IsItemHovered())
				{
					using ImRaii.IEndObject endObject = ImRaii.Tooltip();
					if (endObject)
					{
						ImGui.Text("Stop Conditions:");
						ImGui.Separator();
						if (flag)
						{
							int num2 = _clientState.LocalPlayer?.Level ?? 0;
							text = new ImU8String(14, 1);
							text.AppendLiteral("Stop at level ");
							text.AppendFormatted(_configuration.Stop.TargetLevel);
							ImGui.BulletText(text);
							if (num2 > 0)
							{
								ImGui.SameLine();
								if (num2 >= _configuration.Stop.TargetLevel)
								{
									Vector4 col2 = ImGuiColors.ParsedGreen;
									text = new ImU8String(22, 1);
									text.AppendLiteral("(Current: ");
									text.AppendFormatted(num2);
									text.AppendLiteral(" - Reached!)");
									ImGui.TextColored(in col2, text);
								}
								else
								{
									Vector4 col2 = ImGuiColors.ParsedBlue;
									text = new ImU8String(11, 1);
									text.AppendLiteral("(Current: ");
									text.AppendFormatted(num2);
									text.AppendLiteral(")");
									ImGui.TextColored(in col2, text);
								}
							}
						}
						if (flag3)
						{
							if (flag)
							{
								ImGui.Spacing();
							}
							int sequence = startedQuest.Sequence;
							text = new ImU8String(23, 1);
							text.AppendLiteral("Stop at quest sequence ");
							text.AppendFormatted(_configuration.Stop.TargetSequence);
							ImGui.BulletText(text);
							ImGui.SameLine();
							if (sequence >= _configuration.Stop.TargetSequence)
							{
								Vector4 col2 = ImGuiColors.ParsedGreen;
								text = new ImU8String(22, 1);
								text.AppendLiteral("(Current: ");
								text.AppendFormatted(sequence);
								text.AppendLiteral(" - Reached!)");
								ImGui.TextColored(in col2, text);
							}
							else
							{
								Vector4 col2 = ImGuiColors.ParsedBlue;
								text = new ImU8String(11, 1);
								text.AppendLiteral("(Current: ");
								text.AppendFormatted(sequence);
								text.AppendLiteral(")");
								ImGui.TextColored(in col2, text);
							}
						}
						if (flag2)
						{
							if (flag || flag3)
							{
								ImGui.Spacing();
							}
							ImGui.BulletText("Stop after completing any of these quests:");
							ImGui.Indent();
							foreach (ElementId item in _configuration.Stop.QuestsToStopAfter)
							{
								if (_questRegistry.TryGetQuest(item, out Quest quest))
								{
									var (color, icon, _) = _uiUtils.GetQuestStyle(item);
									_uiUtils.ChecklistItem($"{quest.Info.Name} ({item})", color, icon);
								}
							}
							ImGui.Unindent();
						}
					}
				}
			}
			if (_configuration.Advanced.AdditionalStatusInformation && _questController.IsInterruptible())
			{
				ImGui.SameLine();
				ImGui.TextColored(ImGuiColors.DalamudYellow, SeIconChar.Hyadelyn.ToIconString());
				if (ImGui.IsItemHovered())
				{
					using ImRaii.IEndObject endObject2 = ImRaii.Tooltip();
					if (endObject2)
					{
						ImGui.Text("This quest sequence starts with a teleport to an Aetheryte.");
						ImGui.Text("Certain priority quest (e.g. class quests) may be started/completed by the plugin prior to continuing with this quest.");
						ImGui.Separator();
						ImGui.Text("Available priority quests:");
						List<PriorityQuestInfo> nextPriorityQuestsThatCanBeAccepted = _questFunctions.GetNextPriorityQuestsThatCanBeAccepted();
						List<ElementId> list = (from x in nextPriorityQuestsThatCanBeAccepted
							where x.IsAvailable
							select x.QuestId).ToList();
						if (list.Count > 0)
						{
							foreach (ElementId item2 in list)
							{
								if (_questRegistry.TryGetQuest(item2, out Quest quest2))
								{
									text = new ImU8String(3, 2);
									text.AppendFormatted(quest2.Info.Name);
									text.AppendLiteral(" (");
									text.AppendFormatted(item2);
									text.AppendLiteral(")");
									ImGui.BulletText(text);
								}
							}
						}
						else
						{
							ImGui.BulletText("(none)");
						}
						if (_configuration.Advanced.AdditionalStatusInformation)
						{
							List<PriorityQuestInfo> list2 = nextPriorityQuestsThatCanBeAccepted.Where((PriorityQuestInfo x) => !x.IsAvailable).ToList();
							if (list2.Count > 0)
							{
								ImGui.Text("Unavailable priority quests:");
								foreach (var (elementId2, value) in list2)
								{
									if (_questRegistry.TryGetQuest(elementId2, out Quest quest3))
									{
										text = new ImU8String(6, 3);
										text.AppendFormatted(quest3.Info.Name);
										text.AppendLiteral(" (");
										text.AppendFormatted(elementId2);
										text.AppendLiteral(") - ");
										text.AppendFormatted(value);
										ImGui.BulletText(text);
									}
								}
							}
						}
					}
				}
			}
		}
		QuestController.QuestProgress nextQuest = _questController.NextQuest;
		if (nextQuest != null)
		{
			using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.DalamudYellow))
			{
				ImU8String text = new ImU8String(21, 4);
				text.AppendLiteral("Next Quest: ");
				text.AppendFormatted(Shorten(nextQuest.Quest.Info.Name));
				text.AppendLiteral(" (");
				text.AppendFormatted(nextQuest.Quest.Id);
				text.AppendLiteral(") / ");
				text.AppendFormatted(nextQuest.Sequence);
				text.AppendLiteral(" / ");
				text.AppendFormatted(nextQuest.Step);
				ImGui.TextUnformatted(text);
			}
		}
	}

	private unsafe QuestProgressInfo? DrawQuestWork(QuestController.QuestProgress currentQuest, bool isMinimized)
	{
		QuestProgressInfo questProgressInfo = _questFunctions.GetQuestProgressInfo(currentQuest.Quest.Id);
		if (questProgressInfo != null)
		{
			if (isMinimized)
			{
				return questProgressInfo;
			}
			Vector4* styleColorVec = ImGui.GetStyleColorVec4(ImGuiCol.TextDisabled);
			Vector4 color = ((styleColorVec == null) ? ImGuiColors.ParsedOrange : (*styleColorVec));
			using (ImRaii.PushColor(ImGuiCol.Text, color))
			{
				ImU8String text = new ImU8String(0, 1);
				text.AppendFormatted(questProgressInfo);
				ImGui.Text(text);
				if (ImGui.IsItemClicked())
				{
					string text2 = MultipleWhitespaceRegex().Replace(questProgressInfo.ToString(), " ");
					ImGui.SetClipboardText(text2);
					_chatGui.Print("Copied '" + text2 + "' to clipboard");
				}
				if (ImGui.IsItemHovered())
				{
					ImGui.SameLine();
					ImGui.PushFont(UiBuilder.IconFont);
					ImGui.Text(FontAwesomeIcon.Copy.ToIconString());
					ImGui.PopFont();
				}
				if (currentQuest.Quest.Info.AlliedSociety != EAlliedSociety.None)
				{
					ImGui.SameLine();
					text = new ImU8String(2, 1);
					text.AppendLiteral("/ ");
					text.AppendFormatted(questProgressInfo.ClassJob);
					ImGui.Text(text);
				}
			}
		}
		else if (currentQuest.Quest.Id is QuestId)
		{
			using (ImRaii.Disabled())
			{
				if (currentQuest.Quest.Id == _questController.NextQuest?.Quest.Id)
				{
					ImGui.TextUnformatted("(Next quest in story line not accepted)");
				}
				else
				{
					ImGui.TextUnformatted("(Not accepted)");
				}
			}
		}
		return questProgressInfo;
	}

	private void DrawQuestButtons(QuestController.QuestProgress currentQuest, QuestStep? currentStep, QuestProgressInfo? questProgressInfo, bool isMinimized)
	{
		using (ImRaii.Disabled(_questController.IsRunning))
		{
			if (ImGuiComponents.IconButton(FontAwesomeIcon.Play))
			{
				if (questProgressInfo == null)
				{
					_questController.SetNextQuest(currentQuest.Quest);
				}
				_questController.Start("UI start");
			}
			if (!isMinimized)
			{
				ImGui.SameLine();
				if (ImGuiComponents.IconButtonWithText(FontAwesomeIcon.StepForward, "Step"))
				{
					_questController.StartSingleStep("UI step");
				}
			}
		}
		ImGui.SameLine();
		if (ImGuiComponents.IconButton(FontAwesomeIcon.Stop))
		{
			_movementController.Stop();
			_questController.Stop("UI stop");
			_gatheringController.Stop("UI stop");
		}
		if (isMinimized)
		{
			ImGui.SameLine();
			if (ImGuiComponents.IconButton(FontAwesomeIcon.RedoAlt))
			{
				this.Reload?.Invoke(this, EventArgs.Empty);
			}
			return;
		}
		bool flag = currentStep == currentQuest.Quest.FindSequence(currentQuest.Sequence)?.Steps.LastOrDefault();
		WaitAtEnd.WaitNextStepOrSequence task;
		bool condition = currentStep != null && !flag && currentStep.InteractionType == EInteractionType.Instruction && _questController.HasCurrentTaskMatching<WaitAtEnd.WaitNextStepOrSequence>(out task);
		using (ImRaii.Disabled(flag))
		{
			using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.ParsedGreen, condition))
			{
				if (ImGuiComponents.IconButtonWithText(FontAwesomeIcon.ArrowCircleRight, "Skip"))
				{
					_movementController.Stop();
					_questController.Skip(currentQuest.Quest.Id, currentQuest.Sequence);
				}
				if (ImGui.IsItemHovered())
				{
					ImGui.SetTooltip("Skip the current step of the quest path.");
				}
			}
		}
		if (_commandManager.Commands.ContainsKey("/questinfo"))
		{
			ImGui.SameLine();
			if (ImGuiComponents.IconButton(FontAwesomeIcon.Atlas))
			{
				_commandManager.ProcessCommand($"/questinfo {currentQuest.Quest.Id}");
			}
			if (ImGui.IsItemHovered())
			{
				ImU8String tooltip = new ImU8String(46, 1);
				tooltip.AppendLiteral("Show information about '");
				tooltip.AppendFormatted(currentQuest.Quest.Info.Name);
				tooltip.AppendLiteral("' in Quest Map plugin.");
				ImGui.SetTooltip(tooltip);
			}
		}
	}

	private void DrawSimulationControls()
	{
		if (_questController.SimulatedQuest == null)
		{
			return;
		}
		QuestController.QuestProgress simulatedQuest = _questController.SimulatedQuest;
		ImGui.Separator();
		ImGui.TextColored(ImGuiColors.DalamudRed, "Quest sim active (experimental)");
		ImU8String text = new ImU8String(10, 1);
		text.AppendLiteral("Sequence: ");
		text.AppendFormatted(simulatedQuest.Sequence);
		ImGui.Text(text);
		ImGui.BeginDisabled(simulatedQuest.Sequence == 0);
		if (ImGuiComponents.IconButton(FontAwesomeIcon.Minus))
		{
			_movementController.Stop();
			_questController.Stop("Sim-");
			byte oldSequence = simulatedQuest.Sequence;
			byte sequence = simulatedQuest.Quest.Root.QuestSequence.Select((QuestSequence x) => x.Sequence).LastOrDefault<byte>((byte x) => x < oldSequence, 0);
			_questController.SimulatedQuest.SetSequence(sequence);
		}
		ImGui.EndDisabled();
		ImGui.SameLine();
		ImGui.BeginDisabled(simulatedQuest.Sequence >= byte.MaxValue);
		if (ImGuiComponents.IconButton(FontAwesomeIcon.Plus))
		{
			_movementController.Stop();
			_questController.Stop("Sim+");
			byte oldSequence2 = simulatedQuest.Sequence;
			byte sequence2 = simulatedQuest.Quest.Root.QuestSequence.Select((QuestSequence x) => x.Sequence).FirstOrDefault((byte x) => x > oldSequence2, byte.MaxValue);
			simulatedQuest.SetSequence(sequence2);
		}
		ImGui.EndDisabled();
		QuestSequence questSequence = simulatedQuest.Quest.FindSequence(simulatedQuest.Sequence);
		if (questSequence == null)
		{
			return;
		}
		using (ImRaii.PushId("SimulatedStep"))
		{
			text = new ImU8String(9, 2);
			text.AppendLiteral("Step: ");
			text.AppendFormatted(simulatedQuest.Step);
			text.AppendLiteral(" / ");
			text.AppendFormatted(questSequence.Steps.Count - 1);
			ImGui.Text(text);
			ImGui.BeginDisabled(simulatedQuest.Step == 0);
			if (ImGuiComponents.IconButton(FontAwesomeIcon.Minus))
			{
				_movementController.Stop();
				_questController.Stop("SimStep-");
				simulatedQuest.SetStep(Math.Min(simulatedQuest.Step - 1, questSequence.Steps.Count - 1));
			}
			ImGui.EndDisabled();
			ImGui.SameLine();
			ImGui.BeginDisabled(simulatedQuest.Step >= questSequence.Steps.Count);
			if (ImGuiComponents.IconButton(FontAwesomeIcon.Plus))
			{
				_movementController.Stop();
				_questController.Stop("SimStep+");
				simulatedQuest.SetStep((simulatedQuest.Step == questSequence.Steps.Count - 1) ? 255 : (simulatedQuest.Step + 1));
			}
			ImGui.EndDisabled();
			if (ImGui.Button("Skip current task"))
			{
				_questController.SkipSimulatedTask();
			}
			ImGui.SameLine();
			if (ImGui.Button("Clear sim"))
			{
				_questController.SimulateQuest(null, 0, 0);
				_movementController.Stop();
				_questController.Stop("ClearSim");
			}
		}
	}

	private static string Shorten(string text)
	{
		if (text.Length > 35)
		{
			return string.Concat(text.AsSpan(0, 30).Trim(), ((SeIconChar)57434).ToIconString());
		}
		return text;
	}
}