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


#include "ChannelRackItem.h"

#include "ChannelRackMidiThumbnail.h"
#include "MultiBoxBuilder.h"
#include "SBox.h"
#include "SButton.h"
#include "SImage.h"
#include "SlateApplication.h"
#include "SlateOptMacros.h"
#include "SSplitter.h"
#include "PluginHost/PluginHost.h"
#include "Singleton/PluginHostList.h"
#include "UI/Widget/WindowManager.h"
#include "UI/Widget/ChannelInterface/SPluginHostChannelInterface.h"
#include "Widgets/SBoxPanel.h"

BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION

#define LOCTEXT_NAMESPACE "FChannelRack"

void SChannelRackItem::Construct(const FArguments& InArgs, FPluginHost* InPluginHost)
{
	PluginHost = InPluginHost;
	
	ChildSlot
	[
		SAssignNew(Splitter, SSplitter)
		.ResizeMode(ESplitterResizeMode::FixedSize)
		
		+SSplitter::Slot()
		.OnSlotResized(InArgs._OnSplliterAPositionChanged)
		.MinSize(32)
		[
			SNew(SHorizontalBox)
			+SHorizontalBox::Slot()
			.AutoWidth()
			[
				SNew(SCheckBox)
				.IsChecked(PluginHost->IsEnabled() ? ECheckBoxState::Checked : ECheckBoxState::Unchecked)
				.OnCheckStateChanged(this, &SChannelRackItem::SetPluginHostEnabled)
			]
			+SHorizontalBox::Slot()
			.FillWidth(1.f)
			.VAlign(VAlign_Top)
			[
				SNew(SButton)
				.Text(FText::FromString(PluginHost->Name))
				.OnClicked(this, &SChannelRackItem::TogglePluginHostEditor)
			]
		]
		
		+SSplitter::Slot()
		.OnSlotResized(InArgs._OnSplliterBPositionChanged)
		[
			SNew(SBox)
			.HeightOverride(64)
			[
				SAssignNew(MidiThumbnail, SChannelRackMidiThumbnail, PluginHost)
				.Pattern(nullptr)
			]
		]
	];
}

FReply SChannelRackItem::OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
	if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
	{
		ShowPluginHostMenu();
		return FReply::Handled();
	}
	return FReply::Unhandled();
}

void SChannelRackItem::SetPattern(FMidiPattern* InPattern)
{
	MidiThumbnail->SetPattern(InPattern);
}

void SChannelRackItem::SetSplliterASize(float X)
{
	Splitter->SlotAt(0).SetSizeValue(X);
}

void SChannelRackItem::SetSplliterBSize(float X)
{
	Splitter->SlotAt(1).SetSizeValue(X);
}

void SChannelRackItem::ShowPluginHostMenu()
{
	FMenuBuilder MenuBuilder(true, nullptr);
	// MenuBuilder.BeginSection("ChannelRackItem", FText::FromString("ChannelRackItem"));
	MenuBuilder.AddMenuEntry(
		LOCTEXT("OpenChannelInterface", "打开通道面板"),
		LOCTEXT("OpenChannelInterface_ToolTip", "打开一个通道面板窗口"),
		FSlateIcon(),
		FUIAction(FExecuteAction::CreateRaw(this, &SChannelRackItem::ShowPluginHostChannelInterface))
	);

	MenuBuilder.AddMenuEntry(
		LOCTEXT("DeletePluginHost", "删除插件"),
		FText(),
		FSlateIcon(),
		FUIAction(FExecuteAction::CreateRaw(this, &SChannelRackItem::DeletePluginHost))
	);
	
	// MenuBuilder.EndSection();
		
	FSlateApplication::Get().PushMenu(SharedThis(this), FWidgetPath(), MenuBuilder.MakeWidget(), FSlateApplication::Get().GetCursorPos(), FPopupTransitionEffect::ContextMenu);
}

void SChannelRackItem::SetPluginHostEnabled(ECheckBoxState CheckBoxState)
{
	PluginHost->SetEnabled(CheckBoxState == ECheckBoxState::Checked);
}

FReply SChannelRackItem::TogglePluginHostEditor()
{
	FWindowManager::Get().TogglePluginEditor(PluginHost);
	return FReply::Handled();
}

void SChannelRackItem::ShowPluginHostChannelInterface()
{
	FMenuBuilder MenuBuilder(true, nullptr);
	MenuBuilder.AddWidget(
		SNew(SPluginHostChannelInterface, PluginHost),
		FText()
	);
	FSlateApplication::Get().PushMenu(SharedThis(this), FWidgetPath(), MenuBuilder.MakeWidget(), FSlateApplication::Get().GetCursorPos(), FPopupTransitionEffect::ComboButton);
}

void SChannelRackItem::DeletePluginHost()
{
	FPluginHostList::Get().RemoveInstrument(PluginHost);
}

END_SLATE_FUNCTION_BUILD_OPTIMIZATION
#undef LOCTEXT_NAMESPACE