#include <QModelIndexList>

#include <QModelIndex>

#include <QPainter>

#include <QDebug>

#include "playerslistmodel.h"

PlayersListModel::PlayersListModel(QObject *parent) :

    QAbstractListModel(parent)

{

}

int PlayersListModel::rowCount(const QModelIndex &parent) const

{

    if(parent.isValid())

        return 0;

    else

        return m_data.size();

}

QVariant PlayersListModel::data(const QModelIndex &index, int role) const

{

    if(!index.isValid() || index.row() < 0 || index.row() >= rowCount() || index.column() != 0)

        return QVariant(QVariant::Invalid);

    return m_data.at(index.row()).value(role);

}

bool PlayersListModel::setData(const QModelIndex &index, const QVariant &value, int role)

{

    if(!index.isValid() || index.row() < 0 || index.row() >= rowCount() || index.column() != 0)

        return false;

    m_data[index.row()].insert(role, value);

    emit dataChanged(index, index);

    return true;

}

bool PlayersListModel::insertRow(int row, const QModelIndex &parent)

{

    return insertRows(row, 1, parent);

}

bool PlayersListModel::insertRows(int row, int count, const QModelIndex &parent)

{

    if(parent.isValid() || row > rowCount() || row < 0 || count < 1)

        return false;

    beginInsertRows(parent, row, row + count - 1);

    for(int i = 0; i < count; ++i)

        m_data.insert(row, DataEntry());

    endInsertRows();

    return true;

}

bool PlayersListModel::removeRows(int row, int count, const QModelIndex &parent)

{

    if(parent.isValid() || row + count > rowCount() || row < 0 || count < 1)

        return false;

    beginRemoveRows(parent, row, row + count - 1);

    for(int i = 0; i < count; ++i)

        m_data.removeAt(row);

    endRemoveRows();

    return true;

}

void PlayersListModel::addPlayer(const QString & nickname)

{

    insertRow(rowCount());

    QModelIndex mi = index(rowCount() - 1);

    setData(mi, nickname);

    updateSortData(mi);

    updateIcon(mi);

}

void PlayersListModel::removePlayer(const QString & nickname)

{

    QModelIndexList mil = match(index(0), Qt::DisplayRole, nickname);

    if(mil.size())

        removeRow(mil[0].row());

}

void PlayersListModel::setFlag(const QString &nickname, StateFlag flagType, bool isSet)

{

    QModelIndexList mil = match(index(0), Qt::DisplayRole, nickname);

    if(mil.size())

    {

        setData(mil[0], isSet, flagType);

        if(flagType == Friend || flagType == ServerAdmin

                || flagType == Ignore || flagType == RoomAdmin)

            updateSortData(mil[0]);

        updateIcon(mil[0]);

    }

}

void PlayersListModel::updateIcon(const QModelIndex & index)

{

    quint32 iconNum = 0;

    QList<bool> flags;

    flags

        << index.data(Ready).toBool()

        << index.data(ServerAdmin).toBool()

        << index.data(RoomAdmin).toBool()

        << index.data(Registered).toBool()

        << index.data(Friend).toBool()

        << index.data(Ignore).toBool()

        ;

    for(int i = flags.size() - 1; i >= 0; --i)

        if(flags[i])

            iconNum |= 1 << i;

    if(m_icons().contains(iconNum))

    {

        setData(index, m_icons().value(iconNum), Qt::DecorationRole);

    }

    else

    {

        QPixmap result(24, 16);

        result.fill(Qt::transparent);

        QPainter painter(&result);

        if(index.data(Ready).toBool())

            painter.drawPixmap(0, 0, 16, 16, QPixmap(":/res/chat/lamp.png"));

        QString mainIconName(":/res/chat/");

        if(index.data(RoomAdmin).toBool())

            mainIconName += "roomadmin";

        else if(index.data(ServerAdmin).toBool())

            mainIconName += "serveradmin";

        else

            mainIconName += "hedgehog";

        if(!index.data(Registered).toBool())

            mainIconName += "_gray";

        painter.drawPixmap(8, 0, 16, 16, QPixmap(mainIconName + ".png"));

        if(index.data(Ignore).toBool())

            painter.drawPixmap(8, 0, 16, 16, QPixmap(":/res/chat/ignore.png"));

        else

        if(index.data(Friend).toBool())

            painter.drawPixmap(8, 0, 16, 16, QPixmap(":/res/chat/friend.png"));

        painter.end();

        QIcon icon(result);

        setData(index, icon, Qt::DecorationRole);

        m_icons().insert(iconNum, icon);

    }

    if(index.data(Ignore).toBool())

        setData(index, Qt::gray, Qt::ForegroundRole);

    else

    if(index.data(Friend).toBool())

        setData(index, Qt::green, Qt::ForegroundRole);

    else

        setData(index, QBrush(QColor(0xff, 0xcc, 0x00)), Qt::ForegroundRole);

}

QHash<quint32, QIcon> & PlayersListModel::m_icons()

{

    static QHash<quint32, QIcon> iconsCache;

    return iconsCache;

}

void PlayersListModel::updateSortData(const QModelIndex & index)

{

    QString result = QString("%1%2%3%4%5")

            .arg(1 - index.data(RoomAdmin).toInt())

            .arg(1 - index.data(ServerAdmin).toInt())

            .arg(1 - index.data(Friend).toInt())

            .arg(index.data(Ignore).toInt())

            .arg(index.data(Qt::DisplayRole).toString().toLower())

            ;

    setData(index, result, SortRole);

}