#include "ExpertListWidget.h"

#include <Common/Icon.h>

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

#include <QDebug>

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

void ExpertListWidget::refreshList()
{
    m_expertListWidget->clear();

    for (int i = 1; i <= 100; i++) {
        QListWidgetItem *item = new QListWidgetItem;
        item->setSizeHint(QSize(200, 60));
        m_expertListWidget->addItem(item);

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

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

        QLabel *idx = new QLabel(QString::number(i));
        idx->setFixedWidth(20);
        hBox->addWidget(idx);
        hBox->addSpacing(10);
        QLabel *name = new QLabel(QString("专家%1").arg(i));
        hBox->addWidget(name);
        hBox->addStretch();
    }
}

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

void ExpertListWidget::initialize()
{
    m_vBoxLayout       = new QVBoxLayout(this);
    m_expertListWidget = new QListWidget(this);
    m_expertListWidget->setAlternatingRowColors(true);
    m_expertListWidget->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_expertListWidget);
}

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

void ExpertListWidget::slotItemDoubleClicked(QListWidgetItem *)
{
    emit siganlItemDoubleClicked();
}

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_expertListWidget->selectedItems();
    emit signalSelectionChanged();
}