#include "usertreewidget.h"

UserTreeWidget::UserTreeWidget(QWidget *parent) : QTreeWidget(parent)
{
    QTreeWidgetItem* header = headerItem();
    int c = 0;
    header->setText(c++, "Login");
    header->setText(c++, "IP");
    header->setText(c++, "Location");
    header->setText(c++, "State");
    header->setText(c++, "Promo");
    header->setText(c++, "Data");
    header->setText(c++, "ID");
    setRootIsDecorated(false);
    setSortingEnabled(true);
#ifdef Q_OS_WIN
	setStyleSheet("QHeaderView::section\n{\ncolor: black;\n}");
#else
	setStyleSheet("QHeaderView\n{\ncolor: white;\n}");
#endif
    connect(this, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)), this, SLOT(itemDoubleClicked(QTreeWidgetItem*,int)));
    sortByColumn(0, Qt::AscendingOrder);
    setSelectionMode(QAbstractItemView::ExtendedSelection);
    setContextMenuPolicy(Qt::CustomContextMenu);
}

NetSoul::User UserTreeWidget::getSelectedUser()
{
    if(!currentItem())
        return NetSoul::User();
    return qvariant_cast<NetSoul::User>(currentItem()->data(0, Qt::UserRole));
}

NetSoul::Users UserTreeWidget::getSelectedUsers()
{
    NetSoul::Users users;

    foreach(QTreeWidgetItem* item, selectedItems())
        users.append(qvariant_cast<NetSoul::User>(item->data(0, Qt::UserRole)));

    return users;
}

void UserTreeWidget::updateUser(NetSoul::User user)
{
    bool found = false;
    for(int i = 0; i < topLevelItemCount(); ++i)
    {
        QTreeWidgetItem* item = topLevelItem(i);
        if(item->text(0) == user.login)
        {
            found = true;
            if(item->data(1, Qt::UserRole).toString() == user.id || item->data(1, Qt::UserRole).isNull())
            {
                if(user.state != NetSoul::UserStateNotSet)
                {
                    if(user.state == NetSoul::Actif || user.state == NetSoul::Login)
                        item->setIcon(0, QIcon(":/epimafia/icon_green.jpg"));
                    else if(user.state == NetSoul::Away)
                        item->setIcon(0, QIcon(":/epimafia/icon_blue.jpg"));
                    else if(user.state == NetSoul::Lock)
                        item->setIcon(0, QIcon(":/epimafia/icon_red.jpg"));
                    else
                    {
                        for(int i = 0; i < topLevelItemCount(); ++i)
                        {
                            QTreeWidgetItem* an = topLevelItem(i);
                            if(an != item && an->text(0) == user.login)
                            {
                                delete item;
                                return;
                            }
                        }
                        item->setIcon(0, QIcon(":/epimafia/icon.jpg"));
                        for(int i = 1; i < 7; ++i)
                            item->setText(i, "");
                        return;
                    }
                    if(user.state != NetSoul::UnknownState)
                        item->setText(3, NetSoul::getStringFromUserState(user.state));
                    else
                        item->setText(3, user.stateString);
                }
                QVariant v;
                v.setValue(user);
                item->setData(0, Qt::UserRole, v);
                item->setData(1, Qt::UserRole, user.id);
                if(!user.ip.isNull())
                    item->setText(1, user.ip);
                if(!user.location.isNull())
                    item->setText(2, user.location);
                if(!user.promo.isNull())
                    item->setText(4, user.promo);
                if(!user.data.isEmpty())
                    item->setText(5, user.data);
                if(!user.id.isNull())
                    item->setText(6, user.id);
                return;
            }
        }
    }
    if(found)
        addUser(user);
}

void UserTreeWidget::updateUsers(NetSoul::Users users)
{
    foreach (NetSoul::User user, users)
        updateUser(user);
}

void UserTreeWidget::addUser(NetSoul::User user)
{
    QTreeWidgetItem* item = new QTreeWidgetItem();
    int c = 0;
    item->setData(1, Qt::UserRole, user.id);
    item->setText(c++, user.login);
    item->setText(c++, user.ip);
    item->setText(c++, user.location);
    if(user.state != NetSoul::UnknownState)
        item->setText(c++, NetSoul::getStringFromUserState(user.state));
    else
        item->setText(c++, user.stateString);
    item->setText(c++, user.promo);
    item->setText(c++, user.data);
    item->setText(c++, user.id);
    if(user.state == NetSoul::Actif || user.state == NetSoul::Login)
        item->setIcon(0, QIcon(":/epimafia/icon_green.jpg"));
    else if(user.state == NetSoul::Away)
        item->setIcon(0, QIcon(":/epimafia/icon_blue.jpg"));
    else if(user.state == NetSoul::Lock)
        item->setIcon(0, QIcon(":/epimafia/icon_red.jpg"));
    else
        item->setIcon(0, QIcon(":/epimafia/icon.jpg"));
    QVariant v;
    v.setValue(user);
    item->setData(0, Qt::UserRole, v);
    addTopLevelItem(item);
}

void UserTreeWidget::addUsers(NetSoul::Users users)
{
    foreach(NetSoul::User user, users)
        addUser(user);
}

void UserTreeWidget::remove(QStringList logins)
{
    for(int i = 0; i < topLevelItemCount(); ++i)
    {
        QTreeWidgetItem* item = topLevelItem(i);
        if(logins.contains(item->text(0)))
        {
            delete item;
            --i;
        }
    }
}

void UserTreeWidget::filter(QString text)
{
    for(int i = 0; i < topLevelItemCount(); ++i)
        topLevelItem(i)->setHidden(!itemContains(topLevelItem(i), text));
}

void UserTreeWidget::resetUsers()
{
    for(int i = 0; i < topLevelItemCount(); ++i)
        topLevelItem(i)->setIcon(0, QIcon(":/epimafia/icon.jpg"));
}

void UserTreeWidget::itemDoubleClicked(QTreeWidgetItem *item, int)
{
    emit userSelected(qvariant_cast<NetSoul::User>(item->data(0, Qt::UserRole)));
}

bool UserTreeWidget::itemContains(QTreeWidgetItem *item, QString text)
{
    for(int i = 0; i < item->columnCount(); ++i)
        if(item->text(i).contains(text))
            return true;
    return false;
}