#include "frmimgshow.h"

FrmImgShow::FrmImgShow(QWidget *parent) : QWidget(parent)
{
    initForm();
    connect(TCHttpService::getInstance(), &TCHttpService::signal_imageDownloaded,
            this, [this](const QString& requestId, const QPixmap& pixmap){
        if (requestId == m_requestId) {
            setLoadingState(false);
            setImage(pixmap);
        }
    });

    connect(TCHttpService::getInstance(), &TCHttpService::signal_downloadFailed,
            this, [this](const QString& requestId, const QString& error){
        if (requestId == m_requestId) {
            setLoadingState(true);
        }
    });
}

void FrmImgShow::loadImage(const QUrl &imageUrl)
{
    qDebug() << "loadImage";
    m_currentUrl = imageUrl;
    m_requestId = QUuid::createUuid().toString();
    setLoadingState(true);
    qDebug() << "downlaodImage";
    TCHttpService::getInstance()->downloadImage(m_requestId, imageUrl);
}

void FrmImgShow::setImage(const QPixmap &pixmap)
{
    qDebug() << "setImage";
    // int h = pixmap.height();
    // int w = pixmap.width();
    // int sh, sw;
    // if (h >= w) {
    //     sh = 140;
    //     sw = w * h / 140;
    // }
    // else {
    //     sw = 140;
    //     sh = h * w /140;
    // }
    labImg->setPixmap(pixmap.scaled(this->labImg->width(), this->labImg->height()));
}

void FrmImgShow::setLoadingState(bool loading)
{

}


QSize FrmImgShow::sizeHint()
{
    return QSize(300, 300);
}

bool FrmImgShow::eventFilter(QObject *watched, QEvent *event)
{
    if (watched == btnCopy) {
        if (event->type() == QEvent::Enter) {
            btnCopy->setIcon(QIcon(QPixmap(":/qrc/image/copy_blue.png")));
            return true;
        }
        else if (event->type() == QEvent::Leave) {
            btnCopy->setIcon(QIcon(QPixmap(":/qrc/image/copy_white.png")));
            return true;
        }
        else {
            return false;
        }
    }

    if (watched == btnDelete) {
        if (event->type() == QEvent::Enter) {
            btnDelete->setIcon(QIcon(QPixmap(":/qrc/image/delete_red.png")));
            return true;
        }
        else if (event->type() == QEvent::Leave) {
            btnDelete->setIcon(QIcon(QPixmap(":/qrc/image/delete_white.png")));
            return true;
        }
        else {
            return false;
        }
    }

    return QWidget::eventFilter(watched, event);
}

void FrmImgShow::onFinished(QNetworkReply *reply)
{
    if (reply->error() == QNetworkReply::NoError) {
        QByteArray imageData = reply->readAll();
        QPixmap pix;
        pix.loadFromData(imageData);
        this->labImg->setPixmap(pix);
    }
}

void FrmImgShow::initForm()
{
    this->setWindowFlag(Qt::FramelessWindowHint);
    this->setWindowFlags(this->windowFlags() | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
    setAttribute(Qt::WA_TranslucentBackground);

    vLayout = new QVBoxLayout(this);
    setLayout(vLayout);
    labImg = new QLabel();
    btnCopy = new QPushButton();
    btnCopy->setMinimumSize(22, 22);
    btnCopy->setFlat(true);
    btnCopy->setIcon(QIcon(":/qrc/image/copy_white.png"));

    btnCopy->installEventFilter(this);

    btnDelete = new QPushButton();
    btnDelete->setMinimumSize(22, 22);
    btnDelete->setFlat(true);
    btnDelete->setIcon(QIcon(":/qrc/image/delete_white.png"));
    btnDelete->installEventFilter(this);

    horizenSpacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
    hLayout = new QHBoxLayout();

    ckbSelect = new QCheckBox();
    // ckbSelect->setMinimumSize(20, 20);
    // ckbSelect->setStyleSheet("border:1px solid white;border-radius:5px");
    ckbSelect->setStyleSheet("border-style:none;");

    hLayout->addWidget(btnCopy);
    hLayout->addWidget(btnDelete);
    hLayout->setContentsMargins(0, 0, 0, 0);
    hLayout->addSpacerItem(horizenSpacer);
    hLayout->addWidget(ckbSelect);
    hLayout->setSpacing(0);

    vLayout->addWidget(labImg);
    vLayout->addLayout(hLayout);
    vLayout->setContentsMargins(0, 0, 0, 0);



    // btnCopy->setIcon(QIcon(QPixmap(":/qrc/image/copy_white.png")));
    // btnDelete->setIcon(QIcon(QPixmap(":/qrc/image/delete_white.png")));
    // btnCopy->setFixedSize(32, 32);
    // btnCopy->setCursor(Qt::PointingHandCursor);

    // setStyleSheet("background-color: #FF0000;border: 1px solid white");

    setFixedSize(134, 160);


    this->labImg->setMinimumSize(130, 130);
}

void FrmImgShow::initWidget()
{
    // btnCopy->installEventFilter(this);
    // btnDelete->installEventFilter(this);
}