/* Copyright (C) 2018
 * swift project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 */

#include "countryselector.h"
#include "ui_countryselector.h"

#include "blackgui/guiapplication.h"
#include "blackgui/uppercasevalidator.h"
#include "blackcore/webdataservices.h"
#include "blackmisc/countrylist.h"
#include <QCompleter>

using namespace BlackMisc;
using namespace BlackCore;

namespace BlackGui
{
    namespace Components
    {
        CCountrySelector::CCountrySelector(QWidget *parent) :
            QFrame(parent),
            ui(new Ui::CCountrySelector)
        {
            Q_ASSERT_X(sGui, Q_FUNC_INFO, "Missing sGui");
            ui->setupUi(this);
            ui->le_Iso->setValidator(new CUpperCaseValidator(ui->le_Iso));

            connect(sGui->getWebDataServices(), &CWebDataServices::swiftDbAllDataRead, this, &CCountrySelector::onCountriesLoaded);
            connect(ui->cb_Country, &QComboBox::currentTextChanged, this, &CCountrySelector::onCountryNameChanged);
            connect(ui->le_Iso, &QLineEdit::editingFinished, this, &CCountrySelector::onIsoChanged);

            this->onCountriesLoaded();
        }

        CCountrySelector::~CCountrySelector()
        { }

        void CCountrySelector::setCountry(const CCountry &country)
        {
            if (country == m_current) { return; }
            m_current = country;
            if (country.getIsoCode() != ui->le_Iso->text()) { ui->le_Iso->setText(country.getIsoCode()); }
            if (country.getName() != ui->cb_Country->currentText()) { ui->cb_Country->setCurrentText(country.getName()); }
            emit this->countryChanged(m_current);
        }

        void CCountrySelector::onCountriesLoaded()
        {
            if (!sGui || !sGui->hasWebDataServices()) { return; }
            const CCountryList countries = sGui->getWebDataServices()->getCountries();

            ui->le_Iso->setCompleter(new QCompleter(countries.toIsoList(true)));
            ui->cb_Country->clear();
            ui->cb_Country->addItems(countries.toNameList(true));
        }

        void CCountrySelector::onIsoChanged()
        {
            if (!sGui || !sGui->hasWebDataServices()) { return; }
            const QString iso(ui->le_Iso->text().trimmed().toUpper());
            if (m_current.getIsoCode() == iso) { return; }
            this->setCountry(sGui->getWebDataServices()->getCountryForIsoCode(iso));
        }

        void CCountrySelector::onCountryNameChanged(const QString &name)
        {
            if (!sGui || !sGui->hasWebDataServices()) { return; }
            if (m_current.getName() == name) { return; }
            this->setCountry(sGui->getWebDataServices()->getCountryForName(name));
        }
    } // ns
} // ns