/**
 * @file
 *
 * @author  Mamadou Babaei <mamadou@senseglove.com>
 *
 * @section LICENSE
 *
 * (The MIT License)
 *
 * Copyright (c) 2020 - 2022 SenseGlove
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * @section DESCRIPTION
 *
 * A command for five fingers that can be sent to a Sense Glove device.
 */


#pragma once

#include "Containers/Array.h"
#include "Containers/UnrealString.h"
#include "Templates/SharedPointer.h"
#include "Templates/UniquePtr.h"
#include "UObject/Object.h"
#include "UObject/ObjectMacros.h"

#include "SGFingerCommand.generated.h"

class FSGBuzzCommandImpl;
class FSGFingerCommandImpl;
class FSGForceFeedbackCommandImpl;
class FSGTimedBuzzCommandImpl;

/**
 * A command that contains values (levels) for five fingers.
 */
UCLASS(Abstract, BlueprintType)
class SENSEGLOVECORE_API USGFingerCommand : public UObject
{
    GENERATED_BODY()

private:
    struct FImpl;

    struct FImplDeleter
    {
        void operator()(const FImpl* P) const;
    };

    TUniquePtr<FImpl, FImplDeleter> Pimpl;
    FImplDeleter PimplDeleter;

protected:
    /**
     *
     */
    USGFingerCommand();

    /**
     *
     */
    explicit USGFingerCommand(const TArray<int32>& InLevels);

public:
    /**
     * The cast from underlying type constructor.
     */
    explicit USGFingerCommand(const FSGFingerCommandImpl& FingerCommandImpl);

    /**
     * The cast from underlying child type constructor.
     */
    explicit USGFingerCommand(const FSGBuzzCommandImpl& BuzzCommandImpl);

    /**
     * The cast from underlying child type constructor.
     */
    explicit USGFingerCommand(const FSGForceFeedbackCommandImpl& ForceFeedbackCommandImpl);

    /**
     * The cast from underlying child type constructor.
     */
    explicit USGFingerCommand(const FSGTimedBuzzCommandImpl& TimedBuzzCommandImpl);

protected:
    /**
     * The cast from underlying pointer type constructor.
     */
    explicit USGFingerCommand(TSharedRef<FSGFingerCommandImpl> FingerCommandImpl);

    /**
     * The cast from underlying child pointer type constructor.
     */
    explicit USGFingerCommand(TSharedRef<FSGBuzzCommandImpl> BuzzCommandImpl);

    /**
     * The cast from underlying child pointer type constructor.
     */
    explicit USGFingerCommand(TSharedRef<FSGForceFeedbackCommandImpl> ForceFeedbackCommandImpl);

    /**
     * The cast from underlying child pointer type constructor.
     */
    explicit USGFingerCommand(TSharedRef<FSGTimedBuzzCommandImpl> TimedBuzzCommandImpl);

public:
    /**
     * The destructor.
     */
    virtual ~USGFingerCommand() override;

protected:
    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(const FSGFingerCommandImpl& FingerCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(const FSGBuzzCommandImpl& BuzzCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(const FSGForceFeedbackCommandImpl& ForceFeedbackCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(const FSGTimedBuzzCommandImpl& TimedBuzzCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(TSharedRef<FSGFingerCommandImpl> FingerCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(TSharedRef<FSGBuzzCommandImpl> BuzzCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(TSharedRef<FSGForceFeedbackCommandImpl> ForceFeedbackCommandImpl);

    /**
     * Allows the child classes to set the underlying object after construction.
     */
    void SetFingerCommandImpl(TSharedRef<FSGTimedBuzzCommandImpl> TimedBuzzCommandImpl);

public:
    /**
     * The cast to underlying type method.
     */
    TSharedRef<FSGFingerCommandImpl> ToFingerCommandImpl() const;

protected:
    /**
     * Allows the child classes to synchronize the parent's underlying object at any time.
     */
    virtual void SyncImplObject() const;

    /**
     * Allows the child classes to synchronize the parent's uproperties at any time.
     */
    virtual void SyncUProperties();

public:
    /**
     *
     */
    TArray<int32> GetLevels() const;

public:
    /**
     *
     */
    int32 GetLevel(int32 Finger) const;

    /**
     *
     */
    void SetLevel(int32 Finger, int32 Value);

    /**
     * Check if this command contains the same values as another.
     */
    bool Equals(const USGFingerCommand* FingerCommand) const;

    /**
     * Create a string representation of this finger command.
     */
    FString ToString() const;
};