/**
 * @file
 *
 * @author  Mamadou Babaei <mamadou@senseglove.com>
 *
 * @section LICENSE
 *
 * (The MIT License)
 *
 * Copyright (c) 2020 - 2023 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
 *
 *
 */


#include "SGSettings/SGSettings.h"

#include "Engine/Engine.h"

#include "SGLog/SGLog.h"
#include "SGCore/SGTracking.h"

struct USGSettings::FImpl
{
    /************************
     * Static methods
     ************************/

    /************************
     * Owner object
     ************************/

    USGSettings* Owner;

    /************************
     * Constructor / Destructor
     ************************/

    explicit FImpl(USGSettings* InOwner);
    ~FImpl();

    /************************
     * Default copy constructor & copy assignment operator
     ************************/

    FImpl(const FImpl& Rhs) = default;
    FImpl& operator=(const FImpl& Rhs) = default;

    /************************
     * Methods
     ************************/

    void ResetHardwareOffsetValuesToZero();
};

USGSettings* USGSettings::GetInstance()
{
    USGSettings* Instance{GEngine->GetEngineSubsystem<USGSettings>()};
    return Instance;
}

USGSettings::USGSettings()
    : Pimpl(TUniquePtr<FImpl, FImplDeleter>(new FImpl{this}, PimplDeleter))
{
    HardwareOffset = ESGPositionalTrackingHardware::None;

    Pimpl->ResetHardwareOffsetValuesToZero();

    bDrawDebugWristTrackerGizmo = false;
    DebugWristTrackerGizmoLength = 1.0f;
    DebugWristTrackerGizmoXAxisColor = FColor::Red;
    DebugWristTrackerGizmoYAxisColor = FColor::Green;
    DebugWristTrackerGizmoZAxisColor = FColor::Blue;
    bDebugWristTrackerGizmoPersistentLines = false;
    DebugWristTrackerGizmoLifeTimeModifier = 1.1f;
    DebugWristTrackerGizmoDepthPriority = 0;
    DebugWristTrackerGizmoThickness = 1.0f;
}

const FVector& USGSettings::GetHardwareLocationOffsetLeftHand() const
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT( "Getting HardwareLocationOffsetLeftHand is only permitted when HardwareOffset is set to Custom!"));
    return HardwareLocationOffsetLeftHand;
}

void USGSettings::SetHardwareLocationOffsetLeftHand(const FVector& InHardwareLocationOffsetLeftHand)
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT( "Setting HardwareLocationOffsetLeftHand is only permitted when HardwareOffset is set to Custom!"));
    HardwareLocationOffsetLeftHand = InHardwareLocationOffsetLeftHand;
}

const FVector& USGSettings::GetHardwareLocationOffsetRightHand() const
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT( "Getting HardwareLocationOffsetRightHand is only permitted when HardwareOffset is set to Custom!"));
    return HardwareLocationOffsetRightHand;
}

void USGSettings::SetHardwareLocationOffsetRightHand(const FVector& InHardwareLocationOffsetRightHand)
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT( "Setting HardwareLocationOffsetRightHand is only permitted when HardwareOffset is set to Custom!"));
    HardwareLocationOffsetRightHand = InHardwareLocationOffsetRightHand;
}

const FRotator& USGSettings::GetHardwareRotationOffsetLeftHand() const
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT( "Getting HardwareRotationOffsetLeftHand is only permitted when HardwareOffset is set to Custom!"));
    return HardwareRotationOffsetLeftHand;
}

void USGSettings::SetHardwareRotationOffsetLeftHand(const FRotator& InHardwareRotationOffsetLeftHand)
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT("Setting HardwareRotationOffsetRightHand is only permitted when HardwareOffset is set to Custom!"));
    HardwareRotationOffsetLeftHand = InHardwareRotationOffsetLeftHand;
}

const FRotator& USGSettings::GetHardwareRotationOffsetRightHand() const
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT("Getting HardwareRotationOffsetRightHand is only permitted when HardwareOffset is set to Custom!"));
    return HardwareRotationOffsetRightHand;
}

void USGSettings::SetHardwareRotationOffsetRightHand(const FRotator& InHardwareRotationOffsetRightHand)
{
    ensureAlwaysMsgf(
        HardwareOffset == ESGPositionalTrackingHardware::Custom,
        TEXT("Setting HardwareRotationOffsetRightHand is only permitted when HardwareOffset is set to Custom!"));
    HardwareRotationOffsetRightHand = InHardwareRotationOffsetRightHand;
}

float USGSettings::GetDebugWristTrackerGizmoLength() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoLength is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoLength;
}

void USGSettings::SetDebugWristTrackerGizmoLength(const float InDebugWristTrackerGizmoLength)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoLength is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoLength = InDebugWristTrackerGizmoLength;
}

const FLinearColor& USGSettings::GetDebugWristTrackerGizmoXAxisColor() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoXAxisColor is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoXAxisColor;
}

void USGSettings::SetDebugWristTrackerGizmoXAxisColor(const FLinearColor& InDebugWristTrackerGizmoXAxisColor)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoXAxisColor is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoXAxisColor = InDebugWristTrackerGizmoXAxisColor;
}

const FLinearColor& USGSettings::GetDebugWristTrackerGizmoYAxisColor() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoYAxisColor is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoXAxisColor;
}

void USGSettings::SetDebugWristTrackerGizmoYAxisColor(const FLinearColor& InDebugWristTrackerGizmoYAxisColor)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoYAxisColor is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoYAxisColor = InDebugWristTrackerGizmoYAxisColor;
}

const FLinearColor& USGSettings::GetDebugWristTrackerGizmoZAxisColor() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoZAxisColor is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoZAxisColor;
}

void USGSettings::SetDebugWristTrackerGizmoZAxisColor(const FLinearColor& InDebugWristTrackerGizmoZAxisColor)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoZAxisColor is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoZAxisColor = InDebugWristTrackerGizmoZAxisColor;
}

bool USGSettings::GetDebugWristTrackerGizmoPersistentLines() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting bDebugWristTrackerGizmoPersistentLines is only permitted when HardwareOffset is set to Custom!"));
    return !!bDebugWristTrackerGizmoPersistentLines;
}

void USGSettings::SetDebugWristTrackerGizmoPersistentLines(const bool bInDebugWristTrackerGizmoPersistentLines)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting bDebugWristTrackerGizmoPersistentLines is only permitted when HardwareOffset is set to Custom!"));
    bDebugWristTrackerGizmoPersistentLines = bInDebugWristTrackerGizmoPersistentLines;
}

float USGSettings::GetDebugWristTrackerGizmoLifeTimeModifier() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoLifeTimeModifier is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoLifeTimeModifier;
}

void USGSettings::SetDebugWristTrackerGizmoLifeTimeModifier(const float InDebugWristTrackerGizmoLifeTimeModifier)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoLifeTimeModifier is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoLifeTimeModifier = InDebugWristTrackerGizmoLifeTimeModifier;
}

uint8 USGSettings::GetDebugWristTrackerGizmoDepthPriority() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoDepthPriority is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoDepthPriority;
}

void USGSettings::SetDebugWristTrackerGizmoDepthPriority(const uint8 InDebugWristTrackerGizmoDepthPriority)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting  is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoDepthPriority = InDebugWristTrackerGizmoDepthPriority;
}

float USGSettings::GetDebugWristTrackerGizmoThickness() const
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Getting DebugWristTrackerGizmoThickness is only permitted when HardwareOffset is set to Custom!"));
    return DebugWristTrackerGizmoThickness;
}

void USGSettings::SetDebugWristTrackerGizmoThickness(const float InDebugWristTrackerGizmoThickness)
{
    ensureAlwaysMsgf(
        bDrawDebugWristTrackerGizmo,
        TEXT("Setting DebugWristTrackerGizmoThickness is only permitted when HardwareOffset is set to Custom!"));
    DebugWristTrackerGizmoThickness = InDebugWristTrackerGizmoThickness;
}

bool USGSettings::ShouldCreateSubsystem(UObject* Outer) const
{
    return true;
}

void USGSettings::Initialize(FSubsystemCollectionBase& Collection)
{
    SGLOG("Initializing the SenseGlove settings singleton with the engine lifetime...");

    Super::Initialize(Collection);

    SGLOG("Initializing the SenseGlove settings singleton with the engine lifetime...");

    SGLOG("The SenseGlove settings singleton has been successfully initialized with the engine lifetime!");
}

void USGSettings::Deinitialize()
{
    SGLOG("De-initializing the SenseGlove settings singleton due to the engine lifetime expiration...");

    Super::Deinitialize();

    Pimpl.Release();

    SGLOG("The SenseGlove settings singleton has been successfully de-initialized!");
}

#if WITH_EDITOR
bool USGSettings::CanEditChange(const FProperty* InProperty) const
{
    bool bCanEditChange = Super::CanEditChange(InProperty);

    /*const FName PropertyName{InProperty ? InProperty->GetFName() : NAME_None};

    if (PropertyName == GET_MEMBER_NAME_CHECKED(USGSettings, HardwareOffset))
    {
        return HardwareOffset == ESGPositionalTrackingHardware::Custom;
    }*/

    return bCanEditChange;
}
#endif  /* WITH_EDITOR */

#if WITH_EDITOR
void USGSettings::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
{
    Super::PostEditChangeProperty(PropertyChangedEvent);

    const FName PropertyName{
        PropertyChangedEvent.Property
        ? PropertyChangedEvent.Property->GetFName()
        : NAME_None
    };

    if (PropertyName == GET_MEMBER_NAME_CHECKED(USGSettings, HardwareOffset))
    {
        Pimpl->ResetHardwareOffsetValuesToZero();
        return;
    }
}
#endif  /* WITH_EDITOR */

USGSettings::FImpl::FImpl(USGSettings* InOwner)
    : Owner(InOwner)
{
}

USGSettings::FImpl::~FImpl() = default;

void USGSettings::FImpl::ResetHardwareOffsetValuesToZero()
{
    Owner->HardwareLocationOffsetLeftHand = FVector::ZeroVector;
    Owner->HardwareLocationOffsetRightHand = FVector::ZeroVector;
    Owner->HardwareRotationOffsetLeftHand = FRotator::ZeroRotator;
    Owner->HardwareRotationOffsetRightHand = FRotator::ZeroRotator;
}

void USGSettings::FImplDeleter::operator()(const FImpl* P) const
{
    delete P;
}