/*******************************************************************************
 **
 ** nyamp: yet another media player
 ** Copyright (C) 2017  Aqua-sama
 **
 ** 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 3 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, see <http://www.gnu.org/licenses/>.
 **
 ******************************************************************************/

#include "settingsdialog.h"
#include "ui_settingsdialog.h"
#include "configuration.h"
#include <QFormLayout>
#include <QHBoxLayout>
#include <QLineEdit>
#include <QToolButton>
#include <QGroupBox>

inline QHBoxLayout *createEntry(const QString &value, QWidget *widget);

SettingsDialog::SettingsDialog(std::shared_ptr<Configuration> &settings, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::SettingsDialog)
{
    ui->setupUi(this);

    for(const std::string &group : settings->childrenGroups("")) {
        QWidget *widget = widgetForGroup(settings, group, this);
        ui->tabWidget->addTab(widget, QString::fromStdString(group));
    }
}

SettingsDialog::~SettingsDialog()
{
    delete ui;
}

QWidget *widgetForGroup(std::shared_ptr<Configuration> &settings, const std::string &group, QWidget *parent)
{
    QWidget *widget = new QWidget(parent);
    QVBoxLayout *layout = new QVBoxLayout();
    widget->setLayout(layout);

    // add entry for every key
    QFormLayout *form = new QFormLayout();
    for(const std::string &key : settings->childrenSettings(group.c_str())) {
        QHBoxLayout *hBox = createEntry(QString::fromStdString(settings->value<std::string>((group + '.' + key).c_str()).value()), widget);
        form->addRow(parent->tr(key.c_str()), hBox);
    }
    layout->addLayout(form);

    // TODO: iterate through groups
    for(const std::string &childGroup : settings->childrenGroups(group.c_str())) {
        QGroupBox *groupBox = new QGroupBox(QString::fromStdString(childGroup), widget);
        layout->addWidget(groupBox);
        QFormLayout *boxForm = new QFormLayout(groupBox);
        groupBox->setLayout(boxForm);

        const std::string groupPath = group + '.' + childGroup;
        for(const std::string &key : settings->childrenSettings(groupPath.c_str())) {
            QHBoxLayout *hBox = createEntry(QString::fromStdString(settings->value<std::string>((groupPath + '.' + key).c_str()).value()), groupBox);
            boxForm->addRow(parent->tr(key.c_str()), hBox);
        }
    }

    return widget;
}

inline QHBoxLayout *createEntry(const QString &value, QWidget *widget)
{
    QLineEdit *lineEdit = new QLineEdit(widget);
    lineEdit->setText(value);
    QToolButton *resetButton = new QToolButton(widget);
    resetButton->setIcon(widget->style()->standardIcon(QStyle::SP_DialogResetButton));

    QHBoxLayout *hBox = new QHBoxLayout();
    hBox->addWidget(lineEdit);
    hBox->addWidget(resetButton);

    return hBox;
}