#include "ExpertListWidget.h"

#include <dbService/ClassSet.h>

#include <Common/Icon.h>

#include <QBoxLayout>
#include <QListWidget>
#include <QLabel>

#include <QDebug>

ExpertListWidget::ExpertListWidget(QWidget *parent) : QWidget(parent)
{
    initialize();
    initLayout();
    connectSignalsAndSlots();
}

void ExpertListWidget::showUsers(const QList<QFUser *> &list)
{
    m_listWidget->clear();

    for (int i = 0; i < list.count(); i++) {
        QListWidgetItem *item = new QListWidgetItem;
        item->setSizeHint(QSize(200, 60));
        m_listWidget->addItem(item);

        QWidget *w = new QWidget();
        m_listWidget->setItemWidget(item, w);

        QHBoxLayout *hBox = new QHBoxLayout(w);
        hBox->setSpacing(0);
        hBox->setMargin(10);

        QLabel *idx = new QLabel(QString::number(i + 1));
        idx->setFixedWidth(20);
        hBox->addWidget(idx);
        hBox->addSpacing(10);
        QLabel *name = new QLabel(list[i]->userName);
        hBox->addWidget(name);
        hBox->addStretch();
        QLabel *time = new QLabel(list[i]->writeTime);
        hBox->addWidget(time);
    }
}

bool ExpertListWidget::hasSelectedItem() const
{
    return m_listWidget->selectedItems().count() > 0;
}

int ExpertListWidget::selectedRow() const
{
    QListWidgetItem *item = m_listWidget->selectedItems().first();
    return m_listWidget->row(item);
}

void ExpertListWidget::clearSelection()
{
    m_listWidget->clearSelection();
}

void ExpertListWidget::initialize()
{
    m_vBoxLayout = new QVBoxLayout(this);
    m_listWidget = new QListWidget(this);
    m_listWidget->setAlternatingRowColors(true);
    m_listWidget->setStyleSheet("QListWidget {border: 1px solid rgba(0, 0, 0, 0.073);background: rgb(255, 255, "
                                "255);alternate-background-color: rgb(244, 244, 255);}");
}

void ExpertListWidget::initLayout()
{
    m_vBoxLayout->addWidget(m_listWidget);
}

void ExpertListWidget::connectSignalsAndSlots()
{
    connect(m_listWidget, &QListWidget::itemDoubleClicked, this, &ExpertListWidget::slotItemDoubleClicked);
    connect(m_listWidget, &QListWidget::itemClicked, this, &ExpertListWidget::slotItemClicked);
    connect(m_listWidget, &QListWidget::currentItemChanged, this, &ExpertListWidget::slotCurrentItemChanged);
    connect(m_listWidget, &QListWidget::currentRowChanged, this, &ExpertListWidget::slotCurrentRowChanged);
    connect(m_listWidget, &QListWidget::itemSelectionChanged, this, &ExpertListWidget::slotItemSelectionChanged);
}

void ExpertListWidget::slotItemDoubleClicked(QListWidgetItem *item)
{
    emit siganlItemDoubleClicked(m_listWidget->row(item));
}

void ExpertListWidget::slotItemClicked(QListWidgetItem *)
{
    qDebug() << __FUNCTION__ << __LINE__;
}

void ExpertListWidget::slotCurrentItemChanged(QListWidgetItem *current, QListWidgetItem *previous)
{
    qDebug() << __FUNCTION__ << __LINE__ << current << previous;
}

void ExpertListWidget::slotCurrentRowChanged(int currentRow)
{
    qDebug() << __FUNCTION__ << __LINE__ << currentRow;
}

void ExpertListWidget::slotItemSelectionChanged()
{
    qDebug() << __FUNCTION__ << __LINE__ << m_listWidget->selectedItems();
    emit signalSelectionChanged();
}