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

/**
 * This class stores options global to the entire editor.
 *
 */

#pragma once

#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "InputCoreTypes.h"
#include "UnrealEdOptions.generated.h"

/** A category to store a list of commands. */
USTRUCT()
struct FEditorCommandCategory
{
    GENERATED_USTRUCT_BODY()

    UPROPERTY()
    FName Parent;

    UPROPERTY()
    FName Name;
};

/** A parameterless exec command that can be bound to hotkeys and menu items in the editor. */
USTRUCT()
struct FEditorCommand
{
    GENERATED_USTRUCT_BODY()

    UPROPERTY()
    FName Parent;

    UPROPERTY()
    FName CommandName;

    UPROPERTY()
    FString ExecCommand;

    UPROPERTY()
    FString Description;
};

/** Default Classes for the Class Picker Dialog*/
USTRUCT()
struct FClassPickerDefaults
{
    GENERATED_USTRUCT_BODY()

    /** The name of the class to select */
    UPROPERTY()
    FString ClassName;

    /** The name of the asset type being created */
    UPROPERTY()
    FString AssetClass;

    /** Gets the localized name text for the class */
    FText GetName() const;

    /** Gets the localized descriptive text for the class */
    FText GetDescription() const;
};

UCLASS(Config = Editor)
class UNREALED_API UUnrealEdOptions: public UObject
{
    GENERATED_UCLASS_BODY()

    /** Categories of commands. */
    UPROPERTY(config)
    TArray<struct FEditorCommandCategory> EditorCategories;

    /** Commands that can be bound to in the editor. */
    UPROPERTY(config)
    TArray<struct FEditorCommand> EditorCommands;

    /** Pointer to the key bindings object that actually stores key bindings for the editor. */
    UPROPERTY()
    class UUnrealEdKeyBindings* EditorKeyBindings;

    /** If true, the list of classes in the class picker dialog will be expanded */
    UPROPERTY(config)
    bool bExpandClassPickerClassList;

    /** The array of default objects in the blueprint class dialog **/
    UPROPERTY(config)
    TArray<FClassPickerDefaults> NewAssetDefaultClasses;

public:
    /** Mapping of command name's to array index. */
    TMap<FName, int32> CommandMap;

    //~ Begin UObject Interface
    virtual void PostInitProperties() override;
    //~ End UObject Interface

    /**
     * Generates a mapping from commnands to their parent sets for quick lookup.
     */
    void GenerateCommandMap();

    /**
     * Attempts to locate a exec command bound to a hotkey.
     *
     * @param Key			Key name
     * @param bAltDown		Whether or not ALT is pressed.
     * @param bCtrlDown		Whether or not CONTROL is pressed.
     * @param bShiftDown	Whether or not SHIFT is pressed.
     * @param EditorSet		Set of bindings to search in.
     */
    FString GetExecCommand(FKey Key, bool bAltDown, bool bCtrlDown, bool bShiftDown, FName EditorSet);
};