using System;
using System.Globalization;
using System.Numerics;
using Dalamud.Bindings.ImGui;
using Dalamud.Interface;
using Dalamud.Interface.Colors;
using Dalamud.Interface.Components;
using Dalamud.Interface.Utility;
using Dalamud.Interface.Utility.Raii;
using Dalamud.Plugin;
using Dalamud.Plugin.Services;
using Questionable.Controller;

namespace Questionable.Windows.QuestComponents;

internal sealed class QuickAccessButtonsComponent
{
	private readonly QuestRegistry _questRegistry;

	private readonly QuestValidationWindow _questValidationWindow;

	private readonly JournalProgressWindow _journalProgressWindow;

	private readonly PriorityWindow _priorityWindow;

	private readonly ICommandManager _commandManager;

	private readonly IDalamudPluginInterface _pluginInterface;

	public event EventHandler? Reload;

	public QuickAccessButtonsComponent(QuestRegistry questRegistry, QuestValidationWindow questValidationWindow, JournalProgressWindow journalProgressWindow, PriorityWindow priorityWindow, ICommandManager commandManager, IDalamudPluginInterface pluginInterface)
	{
		_questRegistry = questRegistry;
		_questValidationWindow = questValidationWindow;
		_journalProgressWindow = journalProgressWindow;
		_priorityWindow = priorityWindow;
		_commandManager = commandManager;
		_pluginInterface = pluginInterface;
	}

	public void Draw()
	{
		DrawQuestPriorityButton();
		ImGui.SameLine();
		DrawRebuildNavmeshButton();
		DrawReloadDataButton();
		ImGui.SameLine();
		DrawJournalProgressButton();
		if (_questRegistry.ValidationIssueCount > 0)
		{
			ImGui.SameLine();
			DrawValidationIssuesButton();
		}
	}

	private void DrawQuestPriorityButton()
	{
		if (ImGuiComponents.IconButtonWithText(FontAwesomeIcon.Exclamation, "Priority Quests"))
		{
			_priorityWindow.ToggleOrUncollapse();
		}
		if (ImGui.IsItemHovered())
		{
			ImGui.SetTooltip("Configure priority quests which will be done as soon as possible.");
		}
	}

	private void DrawRebuildNavmeshButton()
	{
		bool flag = _commandManager.Commands.ContainsKey("/vnav");
		using (ImRaii.Disabled(!flag || !ImGui.IsKeyDown(ImGuiKey.ModCtrl)))
		{
			if (ImGuiComponents.IconButtonWithText(FontAwesomeIcon.GlobeEurope, "Rebuild Navmesh"))
			{
				_commandManager.ProcessCommand("/vnav rebuild");
			}
		}
		if (ImGui.IsItemHovered(ImGuiHoveredFlags.AllowWhenDisabled))
		{
			if (!flag)
			{
				ImGui.SetTooltip("vnavmesh is not available.\nPlease install it first.");
			}
			else
			{
				ImGui.SetTooltip("Hold CTRL to enable this button.\nRebuilding the navmesh will take some time.");
			}
		}
	}

	private void DrawReloadDataButton()
	{
		if (ImGuiComponents.IconButtonWithText(FontAwesomeIcon.RedoAlt, "Reload Data"))
		{
			this.Reload?.Invoke(this, EventArgs.Empty);
		}
	}

	private void DrawJournalProgressButton()
	{
		if (ImGuiComponents.IconButton(FontAwesomeIcon.BookBookmark))
		{
			_journalProgressWindow.IsOpenAndUncollapsed = true;
		}
		if (ImGui.IsItemHovered())
		{
			ImGui.SetTooltip("Journal Progress");
		}
	}

	private void DrawValidationIssuesButton()
	{
		int validationErrorCount = _questRegistry.ValidationErrorCount;
		int num = _questRegistry.ValidationIssueCount - _questRegistry.ValidationErrorCount;
		if (validationErrorCount == 0 && num == 0)
		{
			return;
		}
		int num2 = ((validationErrorCount == 0 || num == 0) ? 1 : 2);
		using (ImRaii.PushId("validationissues"))
		{
			FontAwesomeIcon icon = FontAwesomeIcon.ExclamationTriangle;
			FontAwesomeIcon icon2 = FontAwesomeIcon.InfoCircle;
			Vector2 vector;
			Vector2 vector2;
			using (_pluginInterface.UiBuilder.IconFontFixedWidthHandle.Push())
			{
				vector = ((validationErrorCount > 0) ? ImGui.CalcTextSize(icon.ToIconString()) : Vector2.Zero);
				vector2 = ((num > 0) ? ImGui.CalcTextSize(icon2.ToIconString()) : Vector2.Zero);
			}
			string text = ((validationErrorCount > 0) ? validationErrorCount.ToString(CultureInfo.InvariantCulture) : string.Empty);
			string text2 = ((num > 0) ? num.ToString(CultureInfo.InvariantCulture) : string.Empty);
			Vector2 vector3 = ((validationErrorCount > 0) ? ImGui.CalcTextSize(text) : Vector2.Zero);
			Vector2 vector4 = ((num > 0) ? ImGui.CalcTextSize(text2) : Vector2.Zero);
			ImDrawListPtr windowDrawList = ImGui.GetWindowDrawList();
			Vector2 cursorScreenPos = ImGui.GetCursorScreenPos();
			float num3 = 3f * ImGuiHelpers.GlobalScale;
			float x = vector.X + vector2.X + vector3.X + vector4.X + ImGui.GetStyle().FramePadding.X * 2f + num3 * 2f * (float)num2;
			float frameHeight = ImGui.GetFrameHeight();
			bool flag = ImGui.Button(string.Empty, new Vector2(x, frameHeight));
			Vector2 vector5 = new Vector2(cursorScreenPos.X + ImGui.GetStyle().FramePadding.X, cursorScreenPos.Y + ImGui.GetStyle().FramePadding.Y);
			if (validationErrorCount > 0)
			{
				using (_pluginInterface.UiBuilder.IconFontFixedWidthHandle.Push())
				{
					windowDrawList.AddText(vector5, ImGui.GetColorU32(ImGuiColors.DalamudRed), icon.ToIconString());
				}
				Vector2 vector6 = vector5;
				vector6.X = vector5.X + vector.X + num3;
				vector5 = vector6;
				windowDrawList.AddText(vector5, ImGui.GetColorU32(ImGuiCol.Text), text);
				vector6 = vector5;
				vector6.X = vector5.X + vector3.X + 2f * num3;
				vector5 = vector6;
			}
			if (num > 0)
			{
				using (_pluginInterface.UiBuilder.IconFontFixedWidthHandle.Push())
				{
					windowDrawList.AddText(vector5, ImGui.GetColorU32(ImGuiColors.ParsedBlue), icon2.ToIconString());
				}
				Vector2 vector6 = vector5;
				vector6.X = vector5.X + vector2.X + num3;
				vector5 = vector6;
				windowDrawList.AddText(vector5, ImGui.GetColorU32(ImGuiCol.Text), text2);
			}
			if (flag)
			{
				_questValidationWindow.IsOpenAndUncollapsed = true;
			}
		}
	}
}