#include "yacreader_library_item_widget.h"

#include <QHBoxLayout>
#include <QLabel>
#include <QToolButton>
#include <QMouseEvent>

YACReaderLibraryItemWidget::YACReaderLibraryItemWidget(QString n /*ame*/, QString p /*ath*/, QWidget *parent)
    : QWidget(parent), name(n), path(p), isSelected(false)
{
    QHBoxLayout *mainLayout = new QHBoxLayout;
    mainLayout->setContentsMargins(0, 0, 0, 0);
    mainLayout->setSpacing(0);

    // installEventFilter(this);

    QPixmap iconPixmap(":/images/sidebar/libraryIcon.png");
    icon = new QLabel(this);
    icon->setPixmap(iconPixmap);

    nameLabel = new QLabel(name, this);

    options = new QToolButton(this);
#ifdef Q_OS_MAC
    // TODO fix this crazy hack for having a propper retina icon for the options
    // this hack has been perpetrated using Qt 5.5.0
    QString sourceOptionsImage;
    if (devicePixelRatio() > 1)
        sourceOptionsImage = ":/images/sidebar/libraryOptions@2x.png";
    else
        sourceOptionsImage = ":/images/sidebar/libraryOptions.png";
    QPixmap iconOptionsPixmap(sourceOptionsImage);
    iconOptionsPixmap.setDevicePixelRatio(devicePixelRatio());
    QLabel *helperLabel = new QLabel(options);
    helperLabel->move(4, 2);
    helperLabel->setFixedSize(14, 14);
    helperLabel->setPixmap(iconOptionsPixmap);
#else
    options->setIcon(QIcon(":/images/sidebar/libraryOptions.png"));
#endif
    options->setHidden(true);
    options->setFixedWidth(18);
    options->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
    options->setStyleSheet("QToolButton {border:none;}");
    connect(options, &QAbstractButton::clicked, this, &YACReaderLibraryItemWidget::showOptions);
    /*up = new QToolButton(this);
        up->setIcon(QIcon(":/images/libraryUp.png"));
        up->setHidden(true);
        up->setFixedWidth(18);
        up->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum);

        down = new QToolButton(this);
        down->setIcon(QIcon(":/images/libraryDown.png"));
        down->setHidden(true);
        down->setFixedWidth(18);
        down->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum);*/

    mainLayout->addWidget(icon);
    mainLayout->addWidget(nameLabel, Qt::AlignLeft);
    mainLayout->addStretch();
    mainLayout->addWidget(options);
    /*mainLayout->addWidget(up);
        mainLayout->addWidget(down);*/

    setLayout(mainLayout);
#ifndef Q_OS_MAC
    QString styleSheet = "background-color:transparent; color:#DDDFDF;";
    setStyleSheet(styleSheet);
#endif

    QString iconStyleSheet = "QLabel {padding:0 0 0 24px; margin:0px}";
    icon->setStyleSheet(iconStyleSheet);

    QString nameLabelStyleSheet = "QLabel {padding:0 0 0 3px; margin:0px;}";
    nameLabel->setStyleSheet(nameLabelStyleSheet);

    setMinimumHeight(20);
}

void YACReaderLibraryItemWidget::showUpDownButtons(bool show)
{
    up->setHidden(!show);
    down->setHidden(!show);
}

/*
bool YACReaderLibraryItemWidget::eventFilter(QObject *object, QEvent *event){
        if(!isSelected && object==this && (event->type()==QEvent::Enter))
        {
                QString styleSheet = "background-color:#5E5E5E; border-top: 1px solid #5E5E5E;border-bottom: 1px solid #5E5E5E; ";
                setStyleSheet(styleSheet);

                up->setHidden(false);
                down->setHidden(false);
                options->setHidden(false);

                return true;
        }
        if(!isSelected && object==this && (event->type()==QEvent::Leave))
        {
                QString styleSheet = "background-color:#454545; border-top: 1px solid #454545;border-bottom: 1px solid #454545;";
                setStyleSheet(styleSheet);

                up->setHidden(true);
                down->setHidden(true);
                options->setHidden(true);

                return true;
        }

        if(object==this && (event->type()==QEvent::MouseButtonRelease))
        {
                QString styleSheet = "background-color:#2E2E2E; border-top: 1px solid #1F1F1F;border-bottom: 1px solid #636363; padding-top:1px; padding-bottom:1px;";
                setStyleSheet(styleSheet);
                emit(selected(name,path));
                isSelected = true;
                return true;
        }

        return false;
}*/

void YACReaderLibraryItemWidget::deselect()
{

#ifdef Q_OS_MAC
    QString styleSheet = "background-color:transparent;";
    setStyleSheet(styleSheet);
#else
    QString styleSheet = "background-color:transparent; color:#DDDFDF;";
    setStyleSheet(styleSheet);
#endif

    QPixmap iconPixmap(":/images/sidebar/libraryIcon.png");
    icon->setPixmap(iconPixmap);

    /*up->setHidden(true);
        down->setHidden(true);*/
    options->setHidden(true);

    isSelected = false;
}

void YACReaderLibraryItemWidget::select()
{
#ifdef Q_OS_MAC
    // QString styleSheet ="color: white; background-color:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6BAFE4, stop: 1 #3984D2); border-top: 2px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #5EA3DF, stop: 1 #73B8EA); border-left:none;border-right:none;border-bottom:1px solid #3577C2;";
    QString styleSheet = "color: white; background-color:#91c4f4; border-bottom:1px solid #91c4f4;";
#else
    QString styleSheet = "color: white; background-color:#2E2E2E; font-weight:bold;";
#endif
    setStyleSheet(styleSheet);

    options->setHidden(false);

    QPixmap iconPixmap(":/images/sidebar/libraryIconSelected.png");
    icon->setPixmap(iconPixmap);

    isSelected = true;
}

void YACReaderLibraryItemWidget::setName(const QString &name)
{
    this->name = name;
    nameLabel->setText(name);
}