// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Engine/DeveloperSettings.h"
#include "Math/UnitConversion.h"
#include "Components/ChildActorComponent.h"

#include "EditorProjectSettings.generated.h"

/** UENUM to define the specific set of allowable unit types */
UENUM()
enum class EUnitDisplay : uint8
{
    None,
    Metric,
    Imperial,
    Invalid
};

/** UENUM to define the specific set of allowable default units */
UENUM()
enum class EDefaultLocationUnit : uint8
{
    Micrometers,
    Millimeters,
    Centimeters,
    Meters,
    Kilometers,

    Inches,
    Feet,
    Yards,
    Miles,

    Invalid
};

/**
 * Editor project appearance settings. Stored in default config, per-project
 */
UCLASS(config = Editor, defaultconfig, meta = (DisplayName = "Appearance"))
class UNREALED_API UEditorProjectAppearanceSettings: public UDeveloperSettings
{
public:
    GENERATED_BODY()
    UEditorProjectAppearanceSettings(const FObjectInitializer&);

protected:
    /** Called when a property on this object is changed */
    virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
    virtual void PostInitProperties() override;

public:
    UPROPERTY(EditAnywhere, config, Category = Units, meta = (DisplayName = "Display Units on Applicable Properties", Tooltip = "Whether to display units on editor properties where the property has units set."))
    bool bDisplayUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, meta = (EditCondition = "bDisplayUnits", DisplayName = "Display Units on Component Transforms", Tooltip = "Whether to display units on component transform properties"))
    bool bDisplayUnitsOnComponentTransforms;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Distance/Length", Tooltip = "Choose a set of units in which to display distance/length values."))
    TArray<EUnit> DistanceUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Mass", Tooltip = "Choose a set of units in which to display masses."))
    TArray<EUnit> MassUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Time", Tooltip = "Choose the units in which to display time."))
    TArray<EUnit> TimeUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Angles", Tooltip = "Choose the units in which to display angles.", ValidEnumValues = "Degrees, Radians"))
    EUnit AngleUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Speed/Velocity", Tooltip = "Choose the units in which to display speeds and velocities.", ValidEnumValues = "MetersPerSecond, KilometersPerHour, MilesPerHour"))
    EUnit SpeedUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Temperature", Tooltip = "Choose the units in which to display temperatures.", ValidEnumValues = "Celsius, Farenheit, Kelvin"))
    EUnit TemperatureUnits;

    UPROPERTY(EditAnywhere, config, Category = Units, AdvancedDisplay, meta = (DisplayName = "Force", Tooltip = "Choose the units in which to display forces.", ValidEnumValues = "Newtons, PoundsForce, KilogramsForce"))
    EUnit ForceUnits;

public:
    /** Deprecated properties that didn't live very long */

    UPROPERTY(config)
    EUnitDisplay UnitDisplay_DEPRECATED;

    UPROPERTY(config)
    EDefaultLocationUnit DefaultInputUnits_DEPRECATED;
};
/**
 * 2D layer settings
 */
USTRUCT()
struct UNREALED_API FMode2DLayer
{
    GENERATED_USTRUCT_BODY()

    FMode2DLayer()
        : Name(TEXT("Default")), Depth(0)
    {}

    FMode2DLayer(FString InName, float InDepth)
        : Name(InName), Depth(InDepth)
    {}

    /** Whether snapping to surfaces in the world is enabled */
    UPROPERTY(EditAnywhere, config, Category = Layer)
    FString Name;

    /** The amount of depth to apply when snapping to surfaces */
    UPROPERTY(EditAnywhere, config, Category = Layer)
    float Depth;
};

UENUM()
enum class ELevelEditor2DAxis : uint8
{
    X,
    Y,
    Z
};

/**
 * Configure settings for the 2D Level Editor
 */
UCLASS(config = Editor, meta = (DisplayName = "2D"), defaultconfig)
class UNREALED_API ULevelEditor2DSettings: public UDeveloperSettings
{
    GENERATED_UCLASS_BODY()

public:
    /** If enabled will allow 2D mode */
    UPROPERTY(EditAnywhere, config, Category = General, meta = (DisplayName = "Enable 2D combined translate + rotate widget"))
    bool bEnable2DWidget;

    /** If enabled will allow 2D mode */
    UPROPERTY(EditAnywhere, config, Category = LayerSnapping)
    bool bEnableSnapLayers;

    /** Snap axis */
    UPROPERTY(EditAnywhere, config, Category = LayerSnapping, meta = (EditCondition = bEnableSnapLayers))
    ELevelEditor2DAxis SnapAxis;

    /** Snap layers that are displayed in the viewport toolbar */
    UPROPERTY(EditAnywhere, config, Category = LayerSnapping, meta = (EditCondition = bEnableSnapLayers))
    TArray<FMode2DLayer> SnapLayers;

public:
    // UObject interface
    virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
    // End of UObject interface
};

UCLASS(config = Editor, meta = (DisplayName = "Blueprint Project Settings"), defaultconfig)
class UNREALED_API UBlueprintEditorProjectSettings: public UDeveloperSettings
{
    GENERATED_UCLASS_BODY()

public:
    /**
     * Flag to disable faster compiles for individual blueprints if they have no function signature
     * changes. This flag is deprecated! In 4.21 there will be no way to force all dependencies to
     * compile when no changes are detected. Report any issues immediately.
     */
    UPROPERTY(EditAnywhere, config, Category = Blueprints, DisplayName = "Force All Dependencies To Recompile (DEPRECATED)")
    uint8 bForceAllDependenciesToRecompile : 1;

    /** If enabled, the editor will load packages to look for soft references to actors when deleting/renaming them. This can be slow in large projects so disable this to improve performance but increase the chance of breaking blueprints/sequences that use soft actor references */
    UPROPERTY(EditAnywhere, config, Category = Actors)
    uint8 bValidateUnloadedSoftActorReferences : 1;

    /**
     * Enable the option to expand child actor components within component tree views (experimental).
     */
    UPROPERTY(EditAnywhere, config, Category = Experimental)
    uint8 bEnableChildActorExpansionInTreeView : 1;

    /**
     * List of compiler messages that have been suppressed outside of full, interactive editor sessions for
     * the current project - useful for silencing warnings that were added to the engine after
     * project inception and are going to be addressed as they are found by content authors
     */
    UPROPERTY(EditAnywhere, config, Category = Blueprints, DisplayName = "Compiler Messages Disabled Except in Editor")
    TArray<FName> DisabledCompilerMessagesExceptEditor;

    /**
     * List of compiler messages that have been suppressed completely - message suppression is only
     * advisable when using blueprints that you cannot update and are raising innocuous warnings.
     * If useless messages are being raised prefer to contact support rather than disabling messages
     */
    UPROPERTY(EditAnywhere, config, Category = Blueprints, DisplayName = "Compiler Messages Disabled Entirely")
    TArray<FName> DisabledCompilerMessages;

    // The list of namespaces to always expose in any Blueprint (for all users of the game/project)
    UPROPERTY(EditAnywhere, config, Category = Experimental)
    TArray<FString> NamespacesToAlwaysInclude;

    /**
     * Default view mode to use for child actor components in a Blueprint actor's component tree hierarchy (experimental).
     */
    UPROPERTY(EditAnywhere, config, Category = Experimental, meta = (EditCondition = "bEnableChildActorExpansionInTreeView"))
    EChildActorComponentTreeViewVisualizationMode DefaultChildActorTreeViewMode;

    // UObject interface
    virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
    // End of UObject interface
};

UCLASS(config = Editor, meta = (DisplayName = "DDC"), defaultconfig)
class UNREALED_API UDDCProjectSettings: public UDeveloperSettings
{
    GENERATED_BODY()

public:
    UDDCProjectSettings() {}

    /**
     *
     */
    UPROPERTY(EditAnywhere, config, Category = Blueprints)
    bool RecommendEveryoneSetupAGlobalLocalDDCPath;

    /**
     *
     */
    UPROPERTY(EditAnywhere, config, Category = Blueprints)
    bool RecommendEveryoneSetupAGlobalS3DDCPath;
};