/*
 * Copyright (c) 2012 Mark Liversedge (liversedge@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; either version 2 of the License, or (at your option)
 * any later version.
 *
 * 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., 51
 * Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <QtGui>
#include <QSettings>
#include <assert.h>

#include "MainWindow.h"
#include "ConfigDialog.h"
#include "Pages.h"
#include "Settings.h"
#include "Zones.h"

#include "AddDeviceWizard.h"


ConfigDialog::ConfigDialog(QDir _home, Zones *_zones, MainWindow *mainWindow) :
    home(_home), zones(_zones), mainWindow(mainWindow)
{
    setAttribute(Qt::WA_DeleteOnClose);

#ifdef Q_OS_MAC
    QToolBar *head = addToolBar(tr("Preferences"));
    setFixedSize(525,540);
    setUnifiedTitleAndToolBarOnMac(true);
#else
    QToolBar *head = addToolBar(tr("Options"));
    head->setMovable(false); // oops!
    setFixedSize(530,580);
#endif

    // icons
    static QIcon generalIcon(QPixmap(":images/toolbar/GeneralPreferences.png"));
    static QIcon athleteIcon(QPixmap(":/images/toolbar/user.png"));
    static QIcon passwordIcon(QPixmap(":/images/toolbar/passwords.png"));
    static QIcon appearanceIcon(QPixmap(":/images/toolbar/color.png"));
    static QIcon dataIcon(QPixmap(":/images/toolbar/data.png"));
    static QIcon metricsIcon(QPixmap(":/images/toolbar/abacus.png"));
    static QIcon devicesIcon(QPixmap(":/images/devices/kickr.png"));

    // Setup the signal mapping so the right config
    // widget is displayed when the icon is clicked
    QSignalMapper *iconMapper = new QSignalMapper(this); // maps each option
    connect(iconMapper, SIGNAL(mapped(int)), this, SLOT(changePage(int)));
    head->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);

    QAction *added;

    // General settings
    added = head->addAction(generalIcon, tr("General"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 0);

    added =head->addAction(athleteIcon, tr("Athlete"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 1);

    added =head->addAction(passwordIcon, tr("Passwords"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 2);

    added =head->addAction(appearanceIcon, tr("Appearance"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 3);

    added =head->addAction(dataIcon, tr("Data Fields"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 4);

    added =head->addAction(metricsIcon, tr("Metrics"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 5);

    added =head->addAction(devicesIcon, tr("Train Devices"));
    connect(added, SIGNAL(triggered()), iconMapper, SLOT(map()));
    iconMapper->setMapping(added, 6);

    pagesWidget = new QStackedWidget(this);

    // create those config pages
    general = new GeneralConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(general);

    athlete = new AthleteConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(athlete);

    password = new PasswordConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(password);

    appearance = new AppearanceConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(appearance);

    data = new DataConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(data);

    metric = new MetricConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(metric);

    device = new DeviceConfig(_home, _zones, mainWindow);
    pagesWidget->addWidget(device);


    closeButton = new QPushButton(tr("Close"));
    saveButton = new QPushButton(tr("Save"));

    QHBoxLayout *horizontalLayout = new QHBoxLayout;
    horizontalLayout->addWidget(pagesWidget, 1);

    QHBoxLayout *buttonsLayout = new QHBoxLayout;
    buttonsLayout->addStretch();
    buttonsLayout->setSpacing(5);
    buttonsLayout->addWidget(closeButton);
    buttonsLayout->addWidget(saveButton);

    QWidget *contents = new QWidget(this);
    setCentralWidget(contents);
    contents->setContentsMargins(0,0,0,0);

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addLayout(horizontalLayout);
    mainLayout->addStretch();
    mainLayout->addLayout(buttonsLayout);
    mainLayout->setSpacing(0);
    contents->setLayout(mainLayout);

    // We go fixed width to ensure a consistent layout for
    // tabs, sub-tabs and internal widgets and lists
#ifdef Q_OS_MACX
    setWindowTitle(tr("Preferences"));
#else
    setWindowTitle(tr("Options"));
#endif

    connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
    connect(saveButton, SIGNAL(clicked()), this, SLOT(saveClicked()));
}

void ConfigDialog::changePage(int index)
{
    pagesWidget->setCurrentIndex(index);
}

// if save is clicked, we want to:
//   new mode:   create a new zone starting at the selected date (which may be null, implying BEGIN
//   ! new mode: change the CP associated with the present mode
void ConfigDialog::saveClicked()
{
    general->saveClicked();
    athlete->saveClicked();
    appearance->saveClicked();
    password->saveClicked();
    metric->saveClicked();
    data->saveClicked();
    device->saveClicked();

    hide();

    // do the zones first..
    mainWindow->notifyConfigChanged();
    close();
}

// GENERAL CONFIG
GeneralConfig::GeneralConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    generalPage = new GeneralPage(mainWindow);
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->addWidget(generalPage);

    layout->setSpacing(0);
    setContentsMargins(0,0,0,0);
}

void GeneralConfig::saveClicked()
{
    generalPage->saveClicked();
}

// ATHLETE CONFIG
AthleteConfig::AthleteConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    // the widgets
    athletePage = new RiderPage(this, mainWindow);
    zonePage = new ZonePage(mainWindow);
    hrZonePage = new HrZonePage(mainWindow);

    setContentsMargins(0,0,0,0);
    QHBoxLayout *mainLayout = new QHBoxLayout(this);
    mainLayout->setSpacing(0);
    mainLayout->setContentsMargins(0,0,0,0);

    QTabWidget *tabs = new QTabWidget(this);
    tabs->addTab(athletePage, tr("About"));
    tabs->addTab(zonePage, tr("Power"));
    tabs->addTab(hrZonePage, tr("Heartrate"));

    mainLayout->addWidget(tabs);
}

void AthleteConfig::saveClicked()
{
    athletePage->saveClicked();
    zonePage->saveClicked();
    hrZonePage->saveClicked();
}

// APPEARANCE CONFIG
AppearanceConfig::AppearanceConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    appearancePage = new ColorsPage(this);
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->addWidget(appearancePage);

    layout->setSpacing(0);
    setContentsMargins(0,0,0,0);
}

void AppearanceConfig::saveClicked()
{
    appearancePage->saveClicked();
}

// PASSWORD CONFIG
PasswordConfig::PasswordConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    passwordPage = new CredentialsPage(this, mainWindow);
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->addWidget(passwordPage);

    layout->setSpacing(0);
    setContentsMargins(0,0,0,0);
}

void PasswordConfig::saveClicked()
{
    passwordPage->saveClicked();
}

// METADATA CONFIG
DataConfig::DataConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    dataPage = new MetadataPage(mainWindow);
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->addWidget(dataPage);

    layout->setSpacing(0);
    setContentsMargins(0,0,0,0);
}

void DataConfig::saveClicked()
{
    dataPage->saveClicked();
}

// GENERAL CONFIG
MetricConfig::MetricConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    // the widgets
    intervalsPage = new IntervalMetricsPage(this);
    summaryPage = new SummaryMetricsPage(this);

    setContentsMargins(0,0,0,0);
    QHBoxLayout *mainLayout = new QHBoxLayout(this);
    mainLayout->setSpacing(0);
    mainLayout->setContentsMargins(0,0,0,0);

    QTabWidget *tabs = new QTabWidget(this);
    tabs->addTab(summaryPage, tr("Summary"));
    tabs->addTab(intervalsPage, tr("Intervals"));

    mainLayout->addWidget(tabs);
}

void MetricConfig::saveClicked()
{
    summaryPage->saveClicked();
    intervalsPage->saveClicked();
}

// GENERAL CONFIG
DeviceConfig::DeviceConfig(QDir home, Zones *zones, MainWindow *mainWindow) :
    home(home), zones(zones), mainWindow(mainWindow)
{
    devicePage = new DevicePage(this, mainWindow);
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->addWidget(devicePage);

    layout->setSpacing(0);
    setContentsMargins(0,0,0,0);
}

void DeviceConfig::saveClicked()
{
    devicePage->saveClicked();
}