#include "ModelViewer.hpp"
#include <QDebug>
#include <engine/Animator.hpp>
#include <fstream>
#include <objects/GameObject.hpp>
#include <widgets/ModelFramesWidget.hpp>
#include "ViewerWidget.hpp"

ModelViewer::ModelViewer(ViewerWidget* viewer, QWidget* parent,
                         Qt::WindowFlags f)
    : ViewerInterface(parent, f), viewing(nullptr) {
    mainSplit = new QSplitter;
    mainLayout = new QVBoxLayout;

    viewerWidget = viewer;
    viewerWidget->setMinimumSize(250, 250);

    animationWidget = new AnimationListWidget;
    connect(animationWidget, SIGNAL(selectedAnimationChanged(Animation*)),
            SLOT(playAnimation(Animation*)));

    frames = new ModelFramesWidget;
    frames->setMaximumWidth(300);

    mainSplit->addWidget(frames);
    mainSplit->addWidget(animationWidget);
    mainLayout->addWidget(mainSplit);

    this->setLayout(mainLayout);

    connect(frames, SIGNAL(selectedFrameChanged(ModelFrame*)), viewerWidget,
            SLOT(selectFrame(ModelFrame*)));
    setViewerWidget(viewerWidget);
}

void ModelViewer::setViewerWidget(ViewerWidget* widget) {
    viewerWidget = widget;
    mainSplit->addWidget(viewerWidget);
    showModel(viewing);
}

void ModelViewer::showModel(Clump* model) {
    viewing = model;
    viewerWidget->showModel(model);
    frames->setModel(model);
}

void ModelViewer::showObject(uint16_t object) {
    viewerWidget->showObject(object);
    viewing = viewerWidget->currentModel();
    frames->setModel(viewing);
}

void ModelViewer::loadAnimations(const QString& file) {
    std::ifstream dfile(file.toStdString().c_str(), std::ios_base::binary);
    AnimationList anims;

    if (dfile.is_open()) {
        dfile.seekg(0, std::ios_base::end);
        size_t length = dfile.tellg();
        dfile.seekg(0);
        char* file = new char[length];
        dfile.read(file, length);

        LoaderIFP loader;
        if (loader.loadFromMemory(file)) {
            for (auto& f : loader.animations) {
                anims.push_back(f);
            }
        }

        delete[] file;
    }

    animationWidget->setAnimations(anims);
}

void ModelViewer::playAnimation(Animation* anim) {
    viewerWidget->currentObject()->animator->playAnimation(0, anim, 1.f, true);
}