// Copyright (c), Firelight Technologies Pty, Ltd. 2012-2016.

#pragma once

#include "Toolkits/AssetEditorToolkit.h"
#include "fmod_studio_common.h"

namespace FMOD
{
	namespace Studio
	{
		class EventDescription;
		class EventInstance;
	}
}

class FFMODEventEditor : public FAssetEditorToolkit
{
public:
	virtual void RegisterTabSpawners(const TSharedRef<class FTabManager>& TabManager) override;
	virtual void UnregisterTabSpawners(const TSharedRef<class FTabManager>& TabManager) override;

	/**
	* Edits the specified event
	*
	* @param	Mode					Asset editing mode for this editor (standalone or world-centric)
	* @param	InitToolkitHost			When Mode is WorldCentric, this is the level editor instance to spawn this editor within
	* @param	Event					The event to edit
	*/
	void InitFMODEventEditor(const EToolkitMode::Type Mode, const TSharedPtr< class IToolkitHost >& InitToolkitHost, class UFMODEvent* Event);

	/** Constructor */
	FFMODEventEditor();

	/** Destructor */
	virtual ~FFMODEventEditor();

	UFMODEvent* GetEditedEvent() const;
	FMOD::Studio::EventDescription* GetEventDescription() const;
	void PlayEvent();
	void PauseEvent();
	void StopEvent();
	void SetParameterValue(int32 ParameterIdx, float Value);
	TArray<float>& GetParameterValues();

	/** IToolkit interface */
	virtual FName GetToolkitFName() const override;
	virtual FText GetBaseToolkitName() const override;
	virtual FString GetWorldCentricTabPrefix() const override;
	virtual FLinearColor GetWorldCentricTabColorScale() const override;

	TArray<float> ParameterValues;

private:

	FMOD::Studio::EventInstance* CurrentPreviewEventInstance;

	void HandlePreBanksReloaded();
	void HandleBanksReloaded();
	void HandleBeginPIE(bool bSimulating);

	/** Creates all internal widgets for the tabs to point at */
	void CreateInternalWidgets();

	/**	Spawns the tab with the FMOD event inside */
	TSharedRef<SDockTab> SpawnTab_EventEditor(const FSpawnTabArgs& Args);

	TSharedPtr<class SFMODEventEditorPanel> FMODEventEditorPanel;
	TSharedPtr<SDockTab> OwnerTab;

	/**	The tab id for the event editor tab */
	static const FName EventEditorTabId;

	/** FMOD event editor app identifier string */
	static const FName FMODEventEditorAppIdentifier;

	class UFMODEvent* EditedEvent;

	FDelegateHandle BeginPIEDelegateHandle;
};