//  
// Copyright (c) 2023 articy Software GmbH & Co. KG. All rights reserved.  
//

#include "Slate/SPackageSettings.h"
#include "ArticyDatabase.h"
#include "ArticyPluginSettings.h"
#include "EditorStyleSet.h"
#include "Widgets/SBoxPanel.h"
#include "Widgets/Input/SCheckBox.h"
#include "Widgets/Text/STextBlock.h"
#include "Widgets/Layout/SSplitter.h"

/**
 * Constructs the SPackageSettings widget with the specified arguments.
 *
 * @param InArgs The declaration data for constructing the widget.
 */
void SPackageSettings::Construct(const FArguments& InArgs)
{
	PackageToDisplay = InArgs._PackageToDisplay;

	this->ChildSlot
		[
			SNew(SSplitter)
#if ENGINE_MAJOR_VERSION >= 5 && ENGINE_MINOR_VERSION >0
				.Style(FAppStyle::Get(), "DetailsView.Splitter")
#else
				.Style(FEditorStyle::Get(), "DetailsView.Splitter")
#endif
				.PhysicalSplitterHandleSize(1.0f)
				.HitDetectionSplitterHandleSize(5.0f)
				+ SSplitter::Slot().Value(0.328f)
				[
					SNew(SHorizontalBox)
						+ SHorizontalBox::Slot()
						[
							SNew(STextBlock)
								.Text(this, &SPackageSettings::GetPackageName)
						]
				]
				+ SSplitter::Slot().Value(0.672f)
				[
					SNew(SHorizontalBox)
						+ SHorizontalBox::Slot()
						.HAlign(HAlign_Left)
						.Padding(FMargin(5, 0, 0, 5))
						[
							SNew(SCheckBox)
								.IsEnabled_Lambda([]()
									{
										return UArticyDatabase::GetMutableOriginal().IsValid();
									})
								.OnCheckStateChanged(this, &SPackageSettings::OnCheckStateChanged)
										.IsChecked(this, &SPackageSettings::IsChecked)
						]
				]
		];

}

/**
 * Gets the package name to be displayed.
 *
 * @return The text representation of the package name.
 */
FText SPackageSettings::GetPackageName() const
{
	return FText::FromName(PackageToDisplay);
}

/**
 * Handles the change in the checkbox state.
 *
 * @param NewState The new state of the checkbox.
 */
void SPackageSettings::OnCheckStateChanged(ECheckBoxState NewState) const
{
	const bool bChecked = NewState == ECheckBoxState::Checked ? true : false;
	TWeakObjectPtr<UArticyDatabase> ArticyDatabase = UArticyDatabase::GetMutableOriginal();
	ArticyDatabase->ChangePackageDefault(PackageToDisplay, bChecked);

	UArticyPluginSettings* settings = GetMutableDefault<UArticyPluginSettings>();
	settings->PackageLoadSettings.Add(PackageToDisplay.ToString(), bChecked);
}

/**
 * Determines the current checkbox state for the package.
 *
 * @return The current state of the checkbox.
 */
ECheckBoxState SPackageSettings::IsChecked() const
{
	TWeakObjectPtr<UArticyDatabase> ArticyDatabase = UArticyDatabase::GetMutableOriginal();
	if (!ArticyDatabase.IsValid())
	{
		return ECheckBoxState::Undetermined;
	}

	const bool bIsDefaultPackage = ArticyDatabase->IsPackageDefaultPackage(PackageToDisplay.ToString());

	return bIsDefaultPackage ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
}