#include "CScene.h"
#include "CProject.h"

#include "WallpaperEngine/FileSystem/FileSystem.h"
#include "WallpaperEngine/Core/Types/FloatColor.h"

using namespace WallpaperEngine::Core;
using namespace WallpaperEngine::Core::Types;

CScene::CScene (
        CContainer* container,
        Scenes::CCamera* camera,
        FloatColor ambientColor,
        bool bloom,
        double bloomStrength,
        double bloomThreshold,
        bool cameraFade,
        bool cameraParallax,
        double cameraParallaxAmount,
        double cameraParallaxDelay,
        double cameraParallaxMouseInfluence,
        bool cameraPreview,
        bool cameraShake,
        double cameraShakeAmplitude,
        double cameraShakeRoughness,
        double cameraShakeSpeed,
        FloatColor clearColor,
        Scenes::CProjection* orthogonalProjection,
        FloatColor skylightColor) :
    CWallpaper (Type),
    m_container (container),
    m_camera (camera),
    m_ambientColor (ambientColor),
    m_bloom (bloom),
    m_bloomStrength (bloomStrength),
    m_bloomThreshold (bloomThreshold),
    m_cameraFade (cameraFade),
    m_cameraParallax (cameraParallax),
    m_cameraParallaxAmount (cameraParallaxAmount),
    m_cameraParallaxDelay (cameraParallaxDelay),
    m_cameraParallaxMouseInfluence (cameraParallaxMouseInfluence),
    m_cameraPreview (cameraPreview),
    m_cameraShake (cameraShake),
    m_cameraShakeAmplitude (cameraShakeAmplitude),
    m_cameraShakeRoughness (cameraShakeRoughness),
    m_cameraShakeSpeed (cameraShakeSpeed),
    m_clearColor (clearColor),
    m_orthogonalProjection (orthogonalProjection),
    m_skylightColor (skylightColor)
{
}

CScene* CScene::fromFile (const std::string& filename, CContainer* container)
{
    std::string stringContent = WallpaperEngine::FileSystem::loadFullFile (filename, container);
    json content = json::parse (WallpaperEngine::FileSystem::loadFullFile (filename, container));

    auto camera_it = jsonFindRequired (content, "camera", "Scenes must have a defined camera");
    auto general_it = jsonFindRequired (content, "general", "Scenes must have a general section");
    auto objects_it = jsonFindRequired (content, "objects", "Scenes must have a list of objects to display");

    // TODO: FIND IF THESE DEFAULTS ARE SENSIBLE OR NOT AND PERFORM PROPER VALIDATION WHEN CAMERA PREVIEW AND CAMERA PARALLAX ARE PRESENT
    auto ambientcolor_it = jsonFindRequired (*general_it, "ambientcolor", "General section must have ambient color");
    auto bloom = jsonFindDefault <bool> (*general_it, "bloom", false);
    auto bloomstrength = jsonFindDefault <double> (*general_it, "bloomstrength", 0.0f);
    auto bloomthreshold = jsonFindDefault <double> (*general_it, "bloomthreshold", 0.0f);
    auto camerafade = jsonFindDefault <bool> (*general_it, "camerafade", false);
    auto cameraparallax = jsonFindDefault <bool> (*general_it, "cameraparallax", true);
    auto cameraparallaxamount = jsonFindDefault <double> (*general_it, "cameraparallaxamount", 1.0f);
    auto cameraparallaxdelay = jsonFindDefault <double> (*general_it, "cameraparallaxdelay", 0.0f);
    auto cameraparallaxmouseinfluence = jsonFindDefault <double> (*general_it, "cameraparallaxmouseinfluence", 1.0f);
    auto camerapreview = jsonFindDefault <bool> (*general_it, "camerapreview", false);
    auto camerashake = jsonFindDefault <bool> (*general_it, "camerashake", false);
    auto camerashakeamplitude = jsonFindDefault <double> (*general_it, "camerashakeamplitude", 0.0f);
    auto camerashakeroughness = jsonFindDefault <double> (*general_it, "camerashakeroughness", 0.0f);
    auto camerashakespeed = jsonFindDefault <double> (*general_it, "camerashakespeed", 0.0f);
    auto clearcolor_it = jsonFindRequired (*general_it, "clearcolor", "General section must have clear color");
    auto orthogonalprojection_it = jsonFindRequired (*general_it, "orthogonalprojection", "General section must have orthogonal projection info");
    auto skylightcolor_it = jsonFindRequired (*general_it, "skylightcolor", "General section must have skylight color");

    CScene* scene = new CScene (
            container,
            Scenes::CCamera::fromJSON (*camera_it),
            WallpaperEngine::Core::aToColorf(*ambientcolor_it),
            bloom,
            bloomstrength,
            bloomthreshold,
            camerafade,
            cameraparallax,
            cameraparallaxamount,
            cameraparallaxdelay,
            cameraparallaxmouseinfluence,
            camerapreview,
            camerashake,
            camerashakeamplitude,
            camerashakeroughness,
            camerashakespeed,
            WallpaperEngine::Core::aToColorf(*clearcolor_it),
            Scenes::CProjection::fromJSON (*orthogonalprojection_it),
            WallpaperEngine::Core::aToColorf(*skylightcolor_it)
    );

    auto cur = (*objects_it).begin ();
    auto end = (*objects_it).end ();

    for (; cur != end; cur ++)
    {
        scene->insertObject (
                CObject::fromJSON (*cur, container)
        );
    }

    return scene;
}

const std::vector<CObject*>& CScene::getObjects () const
{
    return this->m_objects;
}

void CScene::insertObject (CObject* object)
{
    /// TODO: XXXHACK -- TO REMOVE WHEN PARTICLE SUPPORT IS PROPERLY IMPLEMENTED
    if (object != nullptr)
        this->m_objects.push_back (object);
}

CContainer* CScene::getContainer ()
{
    return this->m_container;
}

const Scenes::CCamera* CScene::getCamera () const
{
    return this->m_camera;
}

const FloatColor &CScene::getAmbientColor() const
{
    return this->m_ambientColor;
}

const bool CScene::isBloom () const
{
    return this->m_bloom;
}

const double CScene::getBloomStrength () const
{
    return this->m_bloomStrength;
}

const double CScene::getBloomThreshold () const
{
    return this->m_bloomThreshold;
}

const bool CScene::isCameraFade () const
{
    return this->m_cameraFade;
}

const bool CScene::isCameraParallax () const
{
    return this->m_cameraParallax;
}

const double CScene::getCameraParallaxAmount () const
{
    return this->m_cameraParallaxAmount;
}

const double CScene::getCameraParallaxDelay () const
{
    return this->m_cameraParallaxDelay;
}

const double CScene::getCameraParallaxMouseInfluence () const
{
    return this->m_cameraParallaxMouseInfluence;
}

const bool CScene::isCameraPreview () const
{
    return this->m_cameraPreview;
}

const bool CScene::isCameraShake () const
{
    return this->m_cameraShake;
}

const double CScene::getCameraShakeAmplitude () const
{
    return this->m_cameraShakeAmplitude;
}

const double CScene::getCameraShakeRoughness () const
{
    return this->m_cameraShakeRoughness;
}

const double CScene::getCameraShakeSpeed () const
{
    return this->m_cameraShakeSpeed;
}

const FloatColor& CScene::getClearColor () const
{
    return this->m_clearColor;
}

const Scenes::CProjection* CScene::getOrthogonalProjection () const
{
    return this->m_orthogonalProjection;
}

const FloatColor& CScene::getSkylightColor () const
{
    return this->m_skylightColor;
}

const std::string CScene::Type = "scene";