#include "tiercard.hpp"
#include "fullsizelayout.hpp"
#include "qmimedata.h"
#include "utils.hpp"
#include "settings.hpp"

#include <QVBoxLayout>
#include <QDrag>

TierCard::IdType TierCard::getAvailableId()
{
    for (IdType id = 1;; id++)
    {
        if (idMap.find(id) == idMap.end())
        {
            return id;
        }
    }
}

void TierCard::releaseId(IdType id)
{
    if (idMap.erase(id) == 0)
    {
        qDebug() << "Card id not found during destructor";
    }
}

TierCard* TierCard::create(QWidget* parent)
{
    TierCard* card;
    auto id = getAvailableId();
    card = new TierCard(id, parent);
    idMap[id] = card;
    return card;
}

TierCard* TierCard::clone(TierCard *other, QWidget* parent)
{
    TierCard* card;
    auto id = getAvailableId();
    card = new TierCard(id, parent);
    card->setText(other->getText());
    auto img = other->getImage();
    if (!img.isNull())
        card->setImage(img);
    card->setBgColor(other->getBgColor());
    idMap[id] = card;
    return card;
}

TierCard::TierCard(IdType id, QWidget* parent)
    : QWidget{parent}
{
    auto settings = Settings::get();
    connect(settings, SIGNAL(cardSizeChange(QSize)),
            this, SLOT(cardResize(QSize)));
    background = new QWidget();
    image = new AspectRatioPixmapLabel();
    image->setAttribute(Qt::WA_TranslucentBackground);
    image->setAlignment(Qt::AlignCenter);
    textLabel = new QLabel();
    idLabel = new QLabel();
    textLabel->setWordWrap(true);
    // text_label->setTextFormat(Qt::RichText);
    textLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
    idLabel->setAlignment(Qt::AlignLeft | Qt::AlignBottom);
    textLabel->setAttribute(Qt::WA_TranslucentBackground);
    idLabel->setAttribute(Qt::WA_TranslucentBackground);
    textLabel->setObjectName("tierCardText");
    idLabel->setObjectName("tierCardId");
    idLabel->setText(QString::number(id));
    auto layout = new FullSizeLayout();
    layout->addWidget(background);
    layout->addWidget(image);
    layout->addWidget(textLabel);
    layout->addWidget(idLabel);
    this->setLayout(layout);
    cardResize(settings->cardSize());
}

TierCard::~TierCard()
{
    releaseId(getId());
    // delete text_label;
    // text_label = nullptr;
    // delete id_label;
    // id_label = nullptr;
}

void TierCard::setText(QString str)
{
    textLabel->setText(str);
}

QString TierCard::getText() const
{
    return textLabel->text();
}

uint32_t TierCard::getId() const
{
    return static_cast<uint32_t>(idLabel->text().toUInt());
}

void TierCard::setBgColor(QColor color)
{
    bgColor = color;
    auto str = makeBgColorString(color);
    background->setStyleSheet(str);
}

QColor TierCard::getBgColor()
{
    return bgColor;
}

void TierCard::setImage(const QPixmap img)
{
    // QMetaObject::invokeMethod()
    image->setPixmap(img);
}

QPixmap TierCard::getImage() const
{
    return image->pixmap();
}

void TierCard::mousePressEvent(QMouseEvent* event)
{
    qDebug() << "mouse press event";
    QPixmap pix(size());
    render(&pix);
    QDrag drag(this);
    drag.setPixmap(pix);
    drag.setHotSpot(QPoint(pix.size().width() / 2,
                           pix.size().height() / 2));
    QByteArray itemData;
    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
    TierCard::IdType _id = getId();
    dataStream.writeRawData(reinterpret_cast<char*>(&_id), sizeof(_id));
    QMimeData *mimeData = new QMimeData;
    mimeData->setData(MimeType, itemData);
    drag.setMimeData(mimeData);
    hide();
    if (drag.exec() == Qt::MoveAction)
    {
        show();
    }
    else
    {
        show();
    }
}

TierCard* TierCard::getFromId(IdType id)
{
    auto iter = idMap.find(id);
    if (iter == idMap.end())
        return nullptr;
    return &(*iter->second);
}

void TierCard::cardResize(QSize newSize)
{
    setFixedSize(newSize);
}