// Copyright © Gamesmiths Guild.

#if TOOLS
using Gamesmiths.Forge.Godot.Resources.Statescript;
using Godot;

namespace Gamesmiths.Forge.Godot.Editor.Statescript;

public partial class StatescriptGraphNode
{
	private void SetupNodeByType(StatescriptNodeType nodeType)
	{
		switch (nodeType)
		{
			case StatescriptNodeType.Entry:
				SetupEntryNode();
				break;
			case StatescriptNodeType.Exit:
				SetupExitNode();
				break;
			case StatescriptNodeType.Action:
				SetupActionNode();
				break;
			case StatescriptNodeType.Condition:
				SetupConditionNode();
				break;
			case StatescriptNodeType.State:
				SetupStateNode();
				break;
		}
	}

	private void SetupEntryNode()
	{
		CustomMinimumSize = new Vector2(100, 0);

		var label = new Label { Text = "Start" };
		AddChild(label);
		SetSlotEnabledRight(0, true);
		SetSlotColorRight(0, _eventColor);

		ApplyTitleBarColor(_entryColor);
	}

	private void SetupExitNode()
	{
		CustomMinimumSize = new Vector2(100, 0);

		var label = new Label { Text = "End" };
		AddChild(label);
		SetSlotEnabledLeft(0, true);
		SetSlotColorLeft(0, _eventColor);

		ApplyTitleBarColor(_exitColor);
	}

	private void SetupActionNode()
	{
		var label = new Label { Text = "Execute" };
		AddChild(label);
		SetSlotEnabledLeft(0, true);
		SetSlotColorLeft(0, _eventColor);
		SetSlotEnabledRight(0, true);
		SetSlotColorRight(0, _eventColor);

		ApplyTitleBarColor(_actionColor);
	}

	private void SetupConditionNode()
	{
		var hBox = new HBoxContainer();
		hBox.AddThemeConstantOverride("separation", 16);
		AddChild(hBox);

		var inputLabel = new Label { Text = "Condition" };
		hBox.AddChild(inputLabel);
		SetSlotEnabledLeft(0, true);
		SetSlotColorLeft(0, _eventColor);

		var trueLabel = new Label
		{
			Text = "True",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		hBox.AddChild(trueLabel);
		SetSlotEnabledRight(0, true);
		SetSlotColorRight(0, _eventColor);

		var falseLabel = new Label
		{
			Text = "False",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		AddChild(falseLabel);
		SetSlotEnabledRight(1, true);
		SetSlotColorRight(1, _eventColor);
		ApplyTitleBarColor(_conditionColor);
	}

	private void SetupStateNode()
	{
		var hBox1 = new HBoxContainer();
		hBox1.AddThemeConstantOverride("separation", 16);
		AddChild(hBox1);

		var inputLabel = new Label { Text = "Begin" };
		hBox1.AddChild(inputLabel);
		SetSlotEnabledLeft(0, true);
		SetSlotColorLeft(0, _eventColor);

		var activateLabel = new Label
		{
			Text = "OnActivate",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		hBox1.AddChild(activateLabel);
		SetSlotEnabledRight(0, true);
		SetSlotColorRight(0, _eventColor);

		var hBox2 = new HBoxContainer();
		hBox2.AddThemeConstantOverride("separation", 16);
		AddChild(hBox2);

		var abortLabel = new Label { Text = "Abort" };
		hBox2.AddChild(abortLabel);
		SetSlotEnabledLeft(1, true);
		SetSlotColorLeft(1, _eventColor);

		var deactivateLabel = new Label
		{
			Text = "OnDeactivate",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		hBox2.AddChild(deactivateLabel);
		SetSlotEnabledRight(1, true);
		SetSlotColorRight(1, _eventColor);

		var abortOutputLabel = new Label
		{
			Text = "OnAbort",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		AddChild(abortOutputLabel);
		SetSlotEnabledRight(2, true);
		SetSlotColorRight(2, _eventColor);

		var subgraphLabel = new Label
		{
			Text = "Subgraph",
			HorizontalAlignment = HorizontalAlignment.Right,
			SizeFlagsHorizontal = SizeFlags.ExpandFill,
		};

		AddChild(subgraphLabel);
		SetSlotEnabledRight(3, true);
		SetSlotColorRight(3, _subgraphColor);

		ApplyTitleBarColor(_stateColor);
	}

	private void ClearSlots()
	{
		foreach (Node child in GetChildren())
		{
			RemoveChild(child);
			child.Free();
		}
	}

	private void ApplyTitleBarColor(Color color)
	{
		var titleBarStyleBox = new StyleBoxFlat
		{
			BgColor = color,
			ContentMarginLeft = 12,
			ContentMarginRight = 12,
			ContentMarginTop = 6,
			ContentMarginBottom = 6,
			CornerRadiusTopLeft = 4,
			CornerRadiusTopRight = 4,
		};

		AddThemeStyleboxOverride("titlebar", titleBarStyleBox);

		var selectedTitleBarStyleBox = (StyleBoxFlat)titleBarStyleBox.Duplicate();
		selectedTitleBarStyleBox.BgColor = color.Lightened(0.2f);
		AddThemeStyleboxOverride("titlebar_selected", selectedTitleBarStyleBox);
	}

	private void ApplyBottomPadding()
	{
		StyleBox? existing = GetThemeStylebox("panel");

		if (existing is not null)
		{
			var panelStyle = (StyleBox)existing.Duplicate();
			panelStyle.ContentMarginBottom = 10;
			AddThemeStyleboxOverride("panel", panelStyle);
		}

		StyleBox? selectedExisting = GetThemeStylebox("panel_selected");

		if (selectedExisting is not null)
		{
			var selectedPanelStyle = (StyleBox)selectedExisting.Duplicate();
			selectedPanelStyle.ContentMarginBottom = 10;
			AddThemeStyleboxOverride("panel_selected", selectedPanelStyle);
		}
	}
}
#endif