/*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include <QGridLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QAction>
#include <QMenu>
#include <QMessageBox>
#include <QSettings>

#include "pagenetgame.h"
#include "gamecfgwidget.h"
#include "teamselect.h"
#include "chatwidget.h"

const int cutoffHeight = 688; /* Don't make this number below 605, or else it'll
                                 let the GameCFGWidget shrink too much before switching to tabbed mode. */

QLayout * PageNetGame::bodyLayoutDefinition()
{
    QGridLayout * pageLayout = new QGridLayout();
    pageLayout->setSizeConstraint(QLayout::SetMinimumSize);
    pageLayout->setColumnStretch(0, 1);
    pageLayout->setColumnStretch(1, 1);
    pageLayout->setRowStretch(0, 0);
    pageLayout->setRowStretch(1, 0);
    pageLayout->setRowStretch(2, 1);

    // Room config

    QHBoxLayout * roomConfigLayout = new QHBoxLayout();
    pageLayout->addLayout(roomConfigLayout, 0, 0, 1, 2);
    roomConfigLayout->setSpacing(0);

    leRoomName = new HistoryLineEdit(this, 10);
    leRoomName->setMaxLength(60);
    leRoomName->setMinimumWidth(400);
    leRoomName->setMaximumWidth(600);
    leRoomName->setFixedHeight(30);
    leRoomName->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    roomConfigLayout->addWidget(leRoomName, 100);

    QLabel * lblRoomName = new QLabel(tr("Room name: "), leRoomName);
    lblRoomName->setFont(QFont("Arial", 12, QFont::Black));
    QFontMetrics lblMetrics(lblRoomName->font());
    int lblRoomNameWidth = lblMetrics.width(lblRoomName->text());
    lblRoomName->setStyleSheet(QString("background: none; margin-left: -%1px; margin-top: 6px;").arg(lblRoomNameWidth + 12));
    leRoomName->setFont(QFont("Arial", 12, QFont::Normal));
    leRoomName->setStyleSheet(QString("HistoryLineEdit, QLabel { border-right: 0; padding-left: %1px; padding-bottom: 2px; border-top-right-radius: 0px; border-bottom-right-radius: 0px; }").arg(lblRoomNameWidth + 16));

    BtnUpdate = new QPushButton();
    BtnUpdate->setEnabled(false);
    BtnUpdate->setText(tr("Update"));
    BtnUpdate->setFixedHeight(leRoomName->height() - 0);
    BtnUpdate->setStyleSheet("border-top-left-radius: 0px; border-bottom-left-radius: 0px; padding: auto 4px;");
    roomConfigLayout->addWidget(BtnUpdate, 0);

    lblRoomNameReadOnly = new QLabel();
    lblRoomNameReadOnly->setMinimumWidth(400);
    lblRoomNameReadOnly->setMaximumWidth(600);
    lblRoomNameReadOnly->setFixedHeight(30);
    lblRoomNameReadOnly->setObjectName("labelLikeLineEdit");
    lblRoomNameReadOnly->setStyleSheet("font: 12px;");
    lblRoomNameReadOnly->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    lblRoomNameReadOnly->setVisible(false);
    roomConfigLayout->addWidget(lblRoomNameReadOnly, 100);

    roomConfigLayout->addSpacing(10);

    BtnMaster = new QPushButton();
    BtnMaster->setText(tr("Room controls"));
    BtnMaster->setFixedHeight(leRoomName->height() - 0);
    BtnMaster->setStyleSheet("QPushButton { padding: auto 4px; } QPushButton:pressed { background-color: #ffcc00; border-color: #ffcc00; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; color: #11084A; }");
    roomConfigLayout->addWidget(BtnMaster, 0);

    roomConfigLayout->addStretch(1);

    // Game config

    pGameCFG = new GameCFGWidget(this);
    pageLayout->addWidget(pGameCFG, 1, 0);

    // Teams

    pNetTeamsWidget = new TeamSelWidget(this);
    pNetTeamsWidget->setAcceptOuter(true);
    pNetTeamsWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    pageLayout->addWidget(pNetTeamsWidget, 1, 1);

    // Chat

    chatWidget = new HWChatWidget(this, true);
    chatWidget->setShowFollow(false); // don't show follow in nicks' context menus
    chatWidget->setIgnoreListKick(true); // kick ignored players automatically
    chatWidget->setMinimumHeight(50);
    chatWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
    pageLayout->addWidget(chatWidget, 2, 0, 1, 2);

    return pageLayout;
}

QLayout * PageNetGame::footerLayoutLeftDefinition()
{
    QHBoxLayout * bottomLeftLayout = new QHBoxLayout();

    btnSetup = addButton(":/res/Settings.png", bottomLeftLayout, 0, true);
    btnSetup->setWhatsThis(tr("Edit game preferences"));

    return bottomLeftLayout;
}

QLayout * PageNetGame::footerLayoutDefinition()
{
    QHBoxLayout * bottomLayout = new QHBoxLayout;

    // Ready button

    BtnGo = new QPushButton(this);
    BtnGo->setIcon(QIcon(":/res/lightbulb_off.png"));
    BtnGo->setIconSize(QSize(25, 34));
    BtnGo->setMinimumWidth(50);
    BtnGo->setMinimumHeight(50);

    bottomLayout->addStretch();
    bottomLayout->addWidget(BtnGo);

    // Start button

    const QIcon& lp = QIcon(":/res/Start.png");
    QSize sz = lp.actualSize(QSize(65535, 65535));
    BtnStart = new QPushButton();
    BtnStart->setText(tr("Start"));
    BtnStart->setMinimumWidth(sz.width() + 60);
    BtnStart->setIcon(lp);
    BtnStart->setFixedHeight(50);
    BtnStart->setIconSize(sz);
    BtnStart->setFlat(true);
    BtnStart->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    bottomLayout->addWidget(BtnStart);

    return bottomLayout;
}

void PageNetGame::connectSignals()
{
    connect(btnSetup, SIGNAL(clicked()), this, SIGNAL(SetupClicked()));

    connect(BtnUpdate, SIGNAL(clicked()), this, SLOT(onUpdateClick()));
    connect(leRoomName, SIGNAL(returnPressed()), this, SLOT(onUpdateClick()));

    connect(leRoomName, SIGNAL(textChanged(const QString &)), this, SLOT(onRoomNameEdited()));
}

PageNetGame::PageNetGame(QWidget* parent) : AbstractPage(parent)
{
    initPage();

    QMenu * menu = new QMenu(BtnMaster);

    restrictJoins = new QAction(QAction::tr("Restrict Joins"), menu);
    restrictJoins->setCheckable(true);
    restrictTeamAdds = new QAction(QAction::tr("Restrict Team Additions"), menu);
    restrictTeamAdds->setCheckable(true);
    menu->addAction(restrictJoins);
    menu->addAction(restrictTeamAdds);

    BtnMaster->setMenu(menu);

    if (height() < cutoffHeight)
        pGameCFG->setTabbed(true);
}

void PageNetGame::resizeEvent(QResizeEvent * event)
{
    int oldHeight = event->oldSize().height();
    int newHeight = event->size().height();

    if (newHeight < cutoffHeight && oldHeight >= cutoffHeight)
    {
        pGameCFG->setTabbed(true);
    }
    else if (newHeight >= cutoffHeight && oldHeight < cutoffHeight)
    {
        pGameCFG->setTabbed(false);
    }
}

void PageNetGame::displayError(const QString & message)
{
    chatWidget->displayError(message);
}


void PageNetGame::displayNotice(const QString & message)
{
    chatWidget->displayNotice(message);
}

void PageNetGame::displayWarning(const QString & message)
{
    chatWidget->displayWarning(message);
}


void PageNetGame::setReadyStatus(bool isReady)
{
    if(isReady)
        BtnGo->setIcon(QIcon(":/res/lightbulb_on.png"));
    else
        BtnGo->setIcon(QIcon(":/res/lightbulb_off.png"));
}

void PageNetGame::onRoomNameEdited()
{
    BtnUpdate->setEnabled(true);
}

void PageNetGame::onUpdateClick()
{
    if (!leRoomName->text().trimmed().isEmpty())
    {
        m_gameSettings->setValue("frontend/lastroomname", leRoomName->text());
        leRoomName->rememberCurrentText();
        BtnUpdate->setEnabled(false);
        emit askForUpdateRoomName(leRoomName->text());
    }
    else
    {
        leRoomName->clear();
        QMessageBox roomMsg(this);
        roomMsg.setIcon(QMessageBox::Warning);
        roomMsg.setWindowTitle(QMessageBox::tr("Netgame - Error"));
        roomMsg.setText(QMessageBox::tr("Please enter room name"));
        roomMsg.setWindowModality(Qt::WindowModal);
        roomMsg.exec();
        leRoomName->setFocus();
    }
}


void PageNetGame::setRoomName(const QString & roomName)
{
    leRoomName->setText(roomName);
    leRoomName->rememberCurrentText();
    lblRoomNameReadOnly->setText(roomName);
    BtnUpdate->setEnabled(false);
}

void PageNetGame::setMasterMode(bool isMaster)
{
    BtnMaster->setVisible(isMaster);
    BtnStart->setVisible(isMaster);
    BtnUpdate->setVisible(isMaster);
    leRoomName->setVisible(isMaster);
    lblRoomNameReadOnly->setVisible(!isMaster);
    pGameCFG->setMaster(isMaster);
    repaint();
}

void PageNetGame::setUser(const QString & nickname)
{
    chatWidget->setUser(nickname);
}

void PageNetGame::setSettings(QSettings *settings)
{
    m_gameSettings = settings;
}