// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "DialogueAsset.h"
#include "GraphEditor.h"
#include "WorkflowOrientedApp/WorkflowCentricApplication.h"

class UDialogueGraph;
class IDetailsView;
class UDialogueGraphNode_Base;

/**
 * 对话编辑器工具包
 */
class DIALOGUEEDITOR_API FDialogueAssetEditor : public FWorkflowCentricApplication, public FEditorUndoClient, public FNotifyHook
{
public:
	/** IAssetEditorToolkit interface */
	virtual FName GetToolkitFName() const override { return FName("DialogueEditor"); }
	virtual FText GetBaseToolkitName() const override;
	virtual FString GetWorldCentricTabPrefix() const override { return TEXT("DialogueEditor"); }
	virtual FLinearColor GetWorldCentricTabColorScale() const override { return FLinearColor::White; }
	
	virtual void OnClose() override;
	/** IAssetEditorToolkit interface */

	FDialogueAssetEditor();
	virtual ~FDialogueAssetEditor();

public:
	void InitDialogueEditor(const EToolkitMode::Type Mode, const TSharedPtr<IToolkitHost>& InitToolkitHost, TObjectPtr<class UDialogueAsset> InitDialogueAsset);

	// 获取图表
	UEdGraph* GetDialogueGraph() const { return DialogueGraph; }

	// 设置图表编辑器
	void SetGraphEditor(TSharedPtr<SGraphEditor> InGraphEditor) { GraphEditor = InGraphEditor; }

	// 设置细节面板
	void SetDetailsView(TSharedPtr<IDetailsView> InDetailsView);

	// 图表选择改变回调,传递属性页需要显示的内容
	void OnGraphSelectionChanged(const FGraphPanelSelectionSet& Selection);

protected:
	void SaveGraphData();
	void LoadGraphData();
protected:
	TObjectPtr<UDialogueAsset> DialogueBeingEdited;

	// 图表对象
	UEdGraph* DialogueGraph;

	// 图表编辑器Widget
	TSharedPtr<SGraphEditor> GraphEditor;

	// 细节面板
	TSharedPtr<IDetailsView> DetailsView;

private:
	// 绑定图表命令
	void BindGraphCommands();

	// 删除选中节点
	void DeleteSelectedNodes();
	bool CanDeleteNodes();

	// 获取选中节点
	UDialogueGraphNode_Base* GetSelectedNode(const FGraphPanelSelectionSet& Selection);

	// 属性更新回调
	void OnNodeDetailViewPropertiesUpdated(const FPropertyChangedEvent& Event);
};