using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using Dalamud.Bindings.ImGui;
using Dalamud.Interface;
using Dalamud.Interface.Utility.Raii;
using Dalamud.Plugin;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;
using Questionable.Controller;
using Questionable.Controller.Conditions;
using Questionable.Data;
using Questionable.Functions;
using Questionable.Model;
using Questionable.Model.Questing;
using Questionable.Windows.QuestComponents;
using Questionable.Windows.Utils;

namespace Questionable.Windows.ConfigComponents;

internal sealed class StopConditionComponent : ConfigComponent
{
	private static readonly string[] ConditionModeNames = new string[2] { "Pause", "Stop" };

	private static readonly string[] ConditionTypeNames = new string[7] { "Quest Complete", "Quest Accept", "Level", "Global Sequence", "Inventory Full", "Before Duty", "Gil Threshold" };

	private readonly IDalamudPluginInterface _pluginInterface;

	private readonly QuestSelector _questSelector;

	private readonly QuestRegistry _questRegistry;

	private readonly QuestData _questData;

	private readonly QuestFunctions _questFunctions;

	private readonly QuestTooltipComponent _questTooltipComponent;

	private readonly UiUtils _uiUtils;

	private readonly IObjectTable _objectTable;

	private readonly QuestController _questController;

	private readonly ILogger<StopConditionComponent> _logger;

	private int _addConditionType;

	private int _addLevel = 50;

	private int _addSequence = 1;

	private int _addGilThreshold = 1000;

	private string _questAcceptSearchText = string.Empty;

	private List<Quest> _acceptedQuests = new List<Quest>();

	private long _acceptedQuestsRefreshAtMs;

	public StopConditionComponent(IDalamudPluginInterface pluginInterface, QuestSelector questSelector, QuestFunctions questFunctions, QuestRegistry questRegistry, QuestData questData, QuestTooltipComponent questTooltipComponent, UiUtils uiUtils, IObjectTable objectTable, QuestController questController, Configuration configuration, ILogger<StopConditionComponent> logger)
		: base(pluginInterface, configuration)
	{
		StopConditionComponent stopConditionComponent = this;
		_pluginInterface = pluginInterface;
		_questSelector = questSelector;
		_questRegistry = questRegistry;
		_questData = questData;
		_questFunctions = questFunctions;
		_questTooltipComponent = questTooltipComponent;
		_uiUtils = uiUtils;
		_logger = logger;
		_objectTable = objectTable;
		_questController = questController;
		_questSelector.SuggestionPredicate = (Quest quest) => !stopConditionComponent.HasQuestCondition(quest.Id, EStopConditionType.QuestComplete);
		_questSelector.DefaultPredicate = (Quest quest) => quest.Info.IsMainScenarioQuest && questFunctions.IsQuestAccepted(quest.Id);
		_questSelector.QuestSelected = delegate(Quest quest)
		{
			stopConditionComponent.Configuration.Stop.Conditions.Add(new QuestCompleteCondition
			{
				QuestId = quest.Id,
				Mode = EStopConditionMode.Stop
			});
			stopConditionComponent.Save();
		};
	}

	public override void DrawTab()
	{
		bool value = base.Configuration.Stop.Enabled;
		UiThemeUtils.SectionHeader("Stop Conditions");
		var (contentStartPos, availableWidth, drawList) = UiThemeUtils.BeginCard();
		if (UiThemeUtils.WrappedCheckbox("Enable stop conditions", ref value, "Pause: Stops automation when condition is met, but allows resuming past it.\nStop: True stop, blocks automation from starting/resuming if condition is already met."))
		{
			base.Configuration.Stop.Enabled = value;
			Save();
		}
		using (ImRaii.Disabled(!value))
		{
			DrawConditionsList();
		}
		UiThemeUtils.EndCard(contentStartPos, availableWidth, drawList);
		UiThemeUtils.SectionSpacing();
		UiThemeUtils.SectionHeader("Add Condition");
		var (contentStartPos2, availableWidth2, drawList2) = UiThemeUtils.BeginCard();
		using (ImRaii.Disabled(!value))
		{
			DrawAddCondition();
		}
		UiThemeUtils.EndCard(contentStartPos2, availableWidth2, drawList2);
		UiThemeUtils.SectionSpacing();
		UiThemeUtils.SectionHeader("After Stopping");
		var (contentStartPos3, availableWidth3, drawList3) = UiThemeUtils.BeginCard();
		using (ImRaii.Disabled(!value))
		{
			string buf = base.Configuration.Stop.CommandAfterStop;
			ImGui.SetNextItemWidth(MathF.Min(260f, ImGui.GetContentRegionAvail().X));
			if (ImGui.InputText("Run command after stop", ref buf, 200))
			{
				base.Configuration.Stop.CommandAfterStop = buf;
				Save();
			}
			ImGui.SameLine();
			UiThemeUtils.InfoIcon("Runs this chat command when a stop condition ends the run - not on a manual stop.");
		}
		UiThemeUtils.EndCard(contentStartPos3, availableWidth3, drawList3);
		DrawSessionConditions();
	}

	private void DrawConditionsList()
	{
		List<StopCondition> conditions = base.Configuration.Stop.Conditions;
		if (conditions.Count == 0)
		{
			ImGui.TextDisabled("No conditions configured.");
			return;
		}
		if (UiThemeUtils.DestructiveButton(FontAwesomeIcon.Trash, "Clear all"))
		{
			conditions.Clear();
			Save();
		}
		int? indexToRemove = null;
		for (int i = 0; i < conditions.Count; i++)
		{
			using (ImRaii.PushId(i))
			{
				StopCondition condition = conditions[i];
				DrawConditionRow(condition, i, ref indexToRemove);
			}
		}
		if (indexToRemove.HasValue)
		{
			int valueOrDefault = indexToRemove.GetValueOrDefault();
			conditions.RemoveAt(valueOrDefault);
			Save();
		}
	}

	private void DrawConditionRow(StopCondition condition, int index, ref int? indexToRemove)
	{
		ImGui.AlignTextToFramePadding();
		if (!(condition is QuestCompleteCondition condition2))
		{
			if (!(condition is QuestAcceptCondition condition3))
			{
				if (!(condition is LevelCondition condition4))
				{
					if (!(condition is GlobalSequenceCondition condition5))
					{
						if (!(condition is InventoryFullCondition))
						{
							if (!(condition is BeforeDutyCondition))
							{
								if (condition is GilThresholdCondition gilThresholdCondition)
								{
									ImU8String text = new ImU8String(10, 1);
									text.AppendLiteral("Gil below ");
									text.AppendFormatted(gilThresholdCondition.MinGil, "N0");
									ImGui.Text(text);
								}
								else
								{
									ImGui.Text(condition.GetDescription());
								}
							}
							else
							{
								ImGui.Text("Before Duty");
							}
						}
						else
						{
							ImGui.Text("Inventory Full");
						}
					}
					else
					{
						DrawGlobalSequenceRow(condition5);
					}
				}
				else
				{
					DrawLevelRow(condition4);
				}
			}
			else
			{
				DrawQuestAcceptRow(condition3);
			}
		}
		else
		{
			DrawQuestCompleteRow(condition2);
		}
		ImGui.SameLine();
		int currentItem = ((condition.Mode != EStopConditionMode.Pause) ? 1 : 0);
		ImGui.SetNextItemWidth(70f);
		if (UiThemeUtils.ThemedCombo("##Mode", ref currentItem, ConditionModeNames, ConditionModeNames.Length))
		{
			condition.Mode = ((currentItem == 0) ? EStopConditionMode.Pause : EStopConditionMode.Stop);
			Save();
		}
		ImGui.SameLine();
		if (UiThemeUtils.IconButton(FontAwesomeIcon.Times, ImGui.GetFrameHeight()))
		{
			indexToRemove = index;
		}
	}

	private void DrawQuestCompleteRow(QuestCompleteCondition condition)
	{
		string text = ResolveQuestName(condition.QuestId);
		(Vector4, FontAwesomeIcon, string) questStyle = _uiUtils.GetQuestStyle(condition.QuestId);
		using (_pluginInterface.UiBuilder.IconFontFixedWidthHandle.Push())
		{
			ImGui.TextColored(in questStyle.Item1, questStyle.Item2.ToIconString());
		}
		ImGui.SameLine();
		float x = ImGui.GetStyle().ItemSpacing.X;
		float frameHeight = ImGui.GetFrameHeight();
		float x2;
		using (ImRaii.PushFont(UiBuilder.IconFont))
		{
			x2 = ImGui.CalcTextSize(FontAwesomeIcon.InfoCircle.ToIconString()).X;
		}
		float reservedRightWidth = x * 6f + frameHeight * 2f + ImGui.CalcTextSize("Seq:").X + x2 + 85f + 70f;
		UiThemeUtils.RowLabel(text, reservedRightWidth);
		if (ImGui.IsItemHovered() && _questRegistry.TryGetQuest(condition.QuestId, out Quest quest))
		{
			_questTooltipComponent.Draw(quest.Info);
		}
		ImGui.SameLine();
		bool value = condition.Sequence.HasValue;
		if (UiThemeUtils.WrappedCheckbox("Seq:", ref value, "Stop at specific sequence (unchecked = stop on completion)"))
		{
			condition.Sequence = (value ? new int?(1) : ((int?)null));
			Save();
		}
		using (ImRaii.Disabled(!value))
		{
			ImGui.SameLine();
			ImGui.SetNextItemWidth(85f);
			int data = condition.Sequence ?? 1;
			if (ImGui.InputInt("##Seq", ref data, 1, 1) && value)
			{
				condition.Sequence = Math.Max(0, Math.Min(255, data));
				Save();
			}
		}
	}

	private void DrawQuestAcceptRow(QuestAcceptCondition condition)
	{
		string text = ResolveQuestName(condition.QuestId);
		(Vector4, FontAwesomeIcon, string) questStyle = _uiUtils.GetQuestStyle(condition.QuestId);
		using (_pluginInterface.UiBuilder.IconFontFixedWidthHandle.Push())
		{
			ImGui.TextColored(in questStyle.Item1, questStyle.Item2.ToIconString());
		}
		ImGui.SameLine();
		float num = ImGui.GetStyle().ItemSpacing.X * 2f + 70f + ImGui.GetFrameHeight() + ImGui.CalcTextSize(" (on accept)").X;
		float maxWidth = ImGui.GetContentRegionAvail().X - num;
		ImGui.TextUnformatted(UiThemeUtils.TruncateToWidth(text, maxWidth) + " (on accept)");
		if (ImGui.IsItemHovered() && _questRegistry.TryGetQuest(condition.QuestId, out Quest quest))
		{
			_questTooltipComponent.Draw(quest.Info);
		}
	}

	private void DrawLevelRow(LevelCondition condition)
	{
		ImGui.Text("Level");
		ImGui.SameLine();
		ImGui.SetNextItemWidth(100f);
		int data = condition.TargetLevel;
		if (ImGui.InputInt("##Level", ref data, 1, 5))
		{
			condition.TargetLevel = Math.Max(1, Math.Min(100, data));
			Save();
		}
		int num = _objectTable.LocalPlayer?.Level ?? 0;
		if (num > 0)
		{
			ImGui.SameLine();
			ImU8String text = new ImU8String(11, 1);
			text.AppendLiteral("(Current: ");
			text.AppendFormatted(num);
			text.AppendLiteral(")");
			ImGui.TextDisabled(text);
		}
	}

	private void DrawGlobalSequenceRow(GlobalSequenceCondition condition)
	{
		ImGui.Text("Global Sequence");
		ImGui.SameLine();
		ImGui.SetNextItemWidth(100f);
		int data = condition.TargetSequence;
		if (ImGui.InputInt("##Seq", ref data, 1, 1))
		{
			condition.TargetSequence = Math.Max(0, Math.Min(255, data));
			Save();
		}
		QuestController.QuestProgress currentQuest = _questController.CurrentQuest;
		if (currentQuest != null)
		{
			ImGui.SameLine();
			ImU8String text = new ImU8String(11, 1);
			text.AppendLiteral("(Current: ");
			text.AppendFormatted(currentQuest.Sequence);
			text.AppendLiteral(")");
			ImGui.TextDisabled(text);
		}
	}

	private void DrawAddCondition()
	{
		ImGui.SetNextItemWidth(MathF.Min(260f, ImGui.GetContentRegionAvail().X));
		UiThemeUtils.ThemedCombo("##AddType", ref _addConditionType, ConditionTypeNames, ConditionTypeNames.Length);
		ImGui.SameLine();
		switch (_addConditionType)
		{
		case 0:
			DrawAddQuestComplete();
			break;
		case 1:
			DrawAddQuestAccept();
			break;
		case 2:
			DrawAddLevel();
			break;
		case 3:
			DrawAddGlobalSequence();
			break;
		case 4:
			DrawAddSimpleCondition<InventoryFullCondition>();
			break;
		case 5:
			DrawAddSimpleCondition<BeforeDutyCondition>();
			break;
		case 6:
			DrawAddGilThreshold();
			break;
		}
	}

	private void DrawAddQuestComplete()
	{
		ImGui.NewLine();
		_questSelector.DrawSelection(MathF.Min(260f, ImGui.GetContentRegionAvail().X));
	}

	private void DrawAddQuestAccept()
	{
		ImGui.NewLine();
		long tickCount = Environment.TickCount64;
		if (tickCount >= _acceptedQuestsRefreshAtMs)
		{
			_acceptedQuests = GetCurrentlyAcceptedQuests();
			_acceptedQuestsRefreshAtMs = tickCount + 1000;
		}
		List<Quest> list = _acceptedQuests.Where((Quest x) => !HasQuestCondition(x.Id, EStopConditionType.QuestAccept)).ToList();
		if (list.Count == 0)
		{
			ImGui.TextDisabled((_acceptedQuests.Count == 0) ? "No quests currently accepted" : "All accepted quests already added");
			return;
		}
		string[] items = list.Select((Quest x) => x.Info.Name).ToArray();
		int currentItem = -1;
		if (UiThemeUtils.SearchableCombo("##QuestAcceptSelection", ref currentItem, items, ref _questAcceptSearchText, MathF.Min(260f, ImGui.GetContentRegionAvail().X), "Select quest to add...") && currentItem >= 0)
		{
			base.Configuration.Stop.Conditions.Add(new QuestAcceptCondition
			{
				QuestId = list[currentItem].Id,
				Mode = EStopConditionMode.Stop
			});
			Save();
		}
	}

	private void DrawAddLevel()
	{
		if (base.Configuration.Stop.Conditions.OfType<LevelCondition>().Any())
		{
			ImGui.TextDisabled("Already configured");
			return;
		}
		ImGui.SetNextItemWidth(100f);
		ImGui.InputInt("##AddLevel", ref _addLevel, 1, 5);
		_addLevel = Math.Max(1, Math.Min(100, _addLevel));
		ImGui.SameLine();
		if (UiThemeUtils.IconTextButton(FontAwesomeIcon.Plus, "Add"))
		{
			base.Configuration.Stop.Conditions.Add(new LevelCondition
			{
				TargetLevel = _addLevel,
				Mode = EStopConditionMode.Stop
			});
			Save();
		}
	}

	private void DrawAddGlobalSequence()
	{
		if (base.Configuration.Stop.Conditions.OfType<GlobalSequenceCondition>().Any())
		{
			ImGui.TextDisabled("Already configured");
			return;
		}
		ImGui.SetNextItemWidth(100f);
		ImGui.InputInt("##AddSeq", ref _addSequence, 1, 1);
		_addSequence = Math.Max(0, Math.Min(255, _addSequence));
		ImGui.SameLine();
		if (UiThemeUtils.IconTextButton(FontAwesomeIcon.Plus, "Add"))
		{
			base.Configuration.Stop.Conditions.Add(new GlobalSequenceCondition
			{
				TargetSequence = _addSequence,
				Mode = EStopConditionMode.Stop
			});
			Save();
		}
	}

	private void DrawAddGilThreshold()
	{
		if (base.Configuration.Stop.Conditions.OfType<GilThresholdCondition>().Any())
		{
			ImGui.TextDisabled("Already configured");
			return;
		}
		ImGui.SetNextItemWidth(100f);
		ImGui.InputInt("##AddGil", ref _addGilThreshold, 100, 1000);
		_addGilThreshold = Math.Max(1, Math.Min(999999999, _addGilThreshold));
		ImGui.SameLine();
		if (UiThemeUtils.IconTextButton(FontAwesomeIcon.Plus, "Add"))
		{
			base.Configuration.Stop.Conditions.Add(new GilThresholdCondition
			{
				MinGil = _addGilThreshold,
				Mode = EStopConditionMode.Stop
			});
			Save();
		}
	}

	private void DrawAddSimpleCondition<T>() where T : StopCondition, new()
	{
		if (base.Configuration.Stop.Conditions.OfType<T>().Any())
		{
			ImGui.TextDisabled("Already configured");
		}
		else if (UiThemeUtils.IconTextButton(FontAwesomeIcon.Plus, "Add"))
		{
			base.Configuration.Stop.Conditions.Add(new T
			{
				Mode = EStopConditionMode.Stop
			});
			Save();
		}
	}

	private void DrawSessionConditions()
	{
		List<StopCondition> sessionConditions = _questController.SessionConditions;
		if (sessionConditions.Count == 0)
		{
			return;
		}
		UiThemeUtils.SectionSpacing();
		UiThemeUtils.SectionHeader("This Session");
		(Vector2 ContentStartPos, float AvailableWidth, ImDrawListPtr DrawList) tuple = UiThemeUtils.BeginCard();
		Vector2 item = tuple.ContentStartPos;
		float item2 = tuple.AvailableWidth;
		ImDrawListPtr item3 = tuple.DrawList;
		for (int i = 0; i < sessionConditions.Count; i++)
		{
			ImU8String id = new ImU8String(7, 1);
			id.AppendLiteral("Session");
			id.AppendFormatted(i);
			using (ImRaii.PushId(id))
			{
				StopCondition stopCondition = sessionConditions[i];
				ImGui.BulletText(stopCondition.GetDescription());
				ImGui.SameLine();
				ImU8String text = new ImU8String(2, 1);
				text.AppendLiteral("[");
				text.AppendFormatted(stopCondition.Mode);
				text.AppendLiteral("]");
				ImGui.TextDisabled(text);
			}
		}
		UiThemeUtils.EndCard(item, item2, item3);
	}

	private string ResolveQuestName(ElementId questId)
	{
		if (_questData.TryGetQuestInfo(questId, out IQuestInfo questInfo))
		{
			return questInfo.Name;
		}
		return questId.ToString();
	}

	private bool HasQuestCondition(ElementId questId, EStopConditionType type)
	{
		foreach (StopCondition condition in base.Configuration.Stop.Conditions)
		{
			if (condition.Type == type)
			{
				if (condition is QuestCompleteCondition questCompleteCondition && questCompleteCondition.QuestId.Equals(questId))
				{
					return true;
				}
				if (condition is QuestAcceptCondition questAcceptCondition && questAcceptCondition.QuestId.Equals(questId))
				{
					return true;
				}
			}
		}
		return false;
	}

	private List<Quest> GetCurrentlyAcceptedQuests()
	{
		List<Quest> list = new List<Quest>();
		try
		{
			foreach (Quest allQuest in _questRegistry.AllQuests)
			{
				if (_questFunctions.IsQuestAccepted(allQuest.Id))
				{
					list.Add(allQuest);
				}
			}
			list.Sort((Quest a, Quest b) => string.Compare(a.Info.Name, b.Info.Name, StringComparison.OrdinalIgnoreCase));
		}
		catch (Exception exception)
		{
			_logger.LogDebug(exception, "Failed to enumerate accepted quests");
			list.Clear();
		}
		return list;
	}
}