// Copyright Epic Games, Inc. All Rights Reserved.
#include "FbxOptionWindow.h"
#include "Modules/ModuleManager.h"
#include "Widgets/Layout/SBorder.h"
#include "Widgets/Text/STextBlock.h"
#include "Widgets/Layout/SBox.h"
#include "Widgets/Layout/SUniformGridPanel.h"
#include "Widgets/Input/SButton.h"
#include "EditorStyleSet.h"
#include "Factories/FbxAnimSequenceImportData.h"
#include "IDocumentation.h"
#include "PropertyEditorModule.h"
#include "IDetailsView.h"

#define LOCTEXT_NAMESPACE "FBXOption"

void SFbxOptionWindow::Construct(const FArguments& InArgs)
{
    ImportUI     = InArgs._ImportUI;
    WidgetWindow = InArgs._WidgetWindow;
    bIsObjFormat = InArgs._IsObjFormat;

    check(ImportUI);

    TSharedPtr<SBox> ImportTypeDisplay;
    TSharedPtr<SHorizontalBox> FbxHeaderButtons;
    TSharedPtr<SBox> InspectorBox;
    this->ChildSlot
        [SNew(SBox)
             .MaxDesiredHeight(InArgs._MaxWindowHeight)
             .MaxDesiredWidth(InArgs._MaxWindowWidth)
                 [SNew(SVerticalBox) + SVerticalBox::Slot().AutoHeight().Padding(2)[SAssignNew(ImportTypeDisplay, SBox)] + SVerticalBox::Slot().AutoHeight().Padding(2)[SNew(SBorder).Padding(FMargin(3)).BorderImage(FEditorStyle::GetBrush("ToolPanel.GroupBorder"))[SNew(SHorizontalBox) + SHorizontalBox::Slot().AutoWidth()[SNew(STextBlock).Font(FEditorStyle::GetFontStyle("CurveEd.LabelFont")).Text(LOCTEXT("Import_CurrentFileTitle", "Current Asset: "))] + SHorizontalBox::Slot().Padding(5, 0, 0, 0).AutoWidth().VAlign(VAlign_Center)[SNew(STextBlock).Font(FEditorStyle::GetFontStyle("CurveEd.InfoFont")).Text(InArgs._FullPath).ToolTipText(InArgs._FullPath)]]] + SVerticalBox::Slot().AutoHeight().Padding(2)[SAssignNew(InspectorBox, SBox).MaxDesiredHeight(650.0f).WidthOverride(400.0f)] + SVerticalBox::Slot().AutoHeight().HAlign(HAlign_Right).Padding(2)[SNew(SUniformGridPanel).SlotPadding(2) + SUniformGridPanel::Slot(0, 0)[IDocumentation::Get()->CreateAnchor(FString("Engine/Content/FBX/ImportOptions"))] + SUniformGridPanel::Slot(1, 0)[SNew(SButton).HAlign(HAlign_Center).Text(LOCTEXT("FbxOptionWindow_ImportAll", "Import All")).ToolTipText(LOCTEXT("FbxOptionWindow_ImportAll_ToolTip", "Import all files with these same settings")).IsEnabled(this, &SFbxOptionWindow::CanImport).OnClicked(this, &SFbxOptionWindow::OnImportAll)] + SUniformGridPanel::Slot(2, 0)[SAssignNew(ImportButton, SButton).HAlign(HAlign_Center).Text(LOCTEXT("FbxOptionWindow_Import", "Import")).IsEnabled(this, &SFbxOptionWindow::CanImport).OnClicked(this, &SFbxOptionWindow::OnImport)] + SUniformGridPanel::Slot(3, 0)[SNew(SButton).HAlign(HAlign_Center).Text(LOCTEXT("FbxOptionWindow_Cancel", "Cancel")).ToolTipText(LOCTEXT("FbxOptionWindow_Cancel_ToolTip", "Cancels importing this FBX file")).OnClicked(this, &SFbxOptionWindow::OnCancel)]]]];

    FPropertyEditorModule& PropertyEditorModule = FModuleManager::GetModuleChecked<FPropertyEditorModule>("PropertyEditor");
    FDetailsViewArgs DetailsViewArgs;
    DetailsViewArgs.bAllowSearch     = false;
    DetailsViewArgs.NameAreaSettings = FDetailsViewArgs::HideNameArea;
    DetailsView                      = PropertyEditorModule.CreateDetailView(DetailsViewArgs);

    InspectorBox->SetContent(DetailsView->AsShared());

    ImportTypeDisplay->SetContent(
        SNew(SBorder)
            .Padding(FMargin(3))
            .BorderImage(FEditorStyle::GetBrush("ToolPanel.GroupBorder"))
                [SNew(SHorizontalBox) + SHorizontalBox::Slot().VAlign(VAlign_Center)[SNew(STextBlock).Text(this, &SFbxOptionWindow::GetImportTypeDisplayText)] + SHorizontalBox::Slot()[SNew(SBox).HAlign(HAlign_Right)[SAssignNew(FbxHeaderButtons, SHorizontalBox) + SHorizontalBox::Slot().AutoWidth().Padding(FMargin(2.0f, 0.0f))[SNew(SButton).Text(LOCTEXT("FbxOptionWindow_ResetOptions", "Reset to Default")).OnClicked(this, &SFbxOptionWindow::OnResetToDefaultClick)]]]]);

    DetailsView->SetObject(ImportUI);
}

FReply SFbxOptionWindow::OnResetToDefaultClick() const
{
    ImportUI->ResetToDefault();
    // Refresh the view to make sure the custom UI are updating correctly
    DetailsView->SetObject(ImportUI, true);
    return FReply::Handled();
}

FText SFbxOptionWindow::GetImportTypeDisplayText() const
{
    switch (ImportUI->MeshTypeToImport)
    {
        case EFBXImportType::FBXIT_Animation:
            return ImportUI->bIsReimport ? LOCTEXT("FbxOptionWindow_ReImportTypeAnim", "Reimport Animation") : LOCTEXT("FbxOptionWindow_ImportTypeAnim", "Import Animation");
        case EFBXImportType::FBXIT_SkeletalMesh:
            return ImportUI->bIsReimport ? LOCTEXT("FbxOptionWindow_ReImportTypeSK", "Reimport Skeletal Mesh") : LOCTEXT("FbxOptionWindow_ImportTypeSK", "Import Skeletal Mesh");
        case EFBXImportType::FBXIT_StaticMesh:
            return ImportUI->bIsReimport ? LOCTEXT("FbxOptionWindow_ReImportTypeSM", "Reimport Static Mesh") : LOCTEXT("FbxOptionWindow_ImportTypeSM", "Import Static Mesh");
    }
    return FText::GetEmpty();
}

bool SFbxOptionWindow::CanImport() const
{
    // do test to see if we are ready to import
    if (ImportUI->MeshTypeToImport == FBXIT_Animation)
    {
        if (ImportUI->Skeleton == NULL || !ImportUI->bImportAnimations)
        {
            return false;
        }
    }

    if (ImportUI->AnimSequenceImportData->AnimationLength == FBXALIT_SetRange)
    {
        if (ImportUI->AnimSequenceImportData->FrameImportRange.Min > ImportUI->AnimSequenceImportData->FrameImportRange.Max)
        {
            return false;
        }
    }

    return true;
}

#undef LOCTEXT_NAMESPACE