/***************************************************************************
                          componentchooseremail.cpp
                             -------------------
    copyright            : (C) 2002 by Joseph Wenninger
    email                : jowenn@kde.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License verstion 2 as    *
 *   published by the Free Software Foundation                             *
 *                                                                         *
 ***************************************************************************/

#include "componentchooseremail.h"
#include <QtDBus/QtDBus>
#include <QtCore/qfile.h>
#include <QtGui/qcheckbox.h>
#include <kemailsettings.h>
#include <kopenwithdialog.h>
#include <kstandarddirs.h>
#include <KUrl>

// for chmod:
#include <sys/types.h>
#include <sys/stat.h>


CfgEmailClient::CfgEmailClient(QWidget *parent)
    : QWidget(parent), Ui::EmailClientConfig_UI(), CfgPlugin()
{
    setupUi( this );

    pSettings = new KEMailSettings();

    connect(kmailCB, SIGNAL(toggled(bool)), SLOT(configChanged()) );
    connect(txtEMailClient, SIGNAL(textChanged(const QString&)), SLOT(configChanged()) );
#ifdef Q_OS_UNIX
    connect(chkRunTerminal, SIGNAL(clicked()), SLOT(configChanged()) );
#else
    chkRunTerminal->hide();
#endif
    connect(btnSelectEmail, SIGNAL(clicked()), SLOT(selectEmailClient()) );
}

CfgEmailClient::~CfgEmailClient() {
    delete pSettings;
}

void CfgEmailClient::defaults()
{
    load(0);
}

void CfgEmailClient::load(KConfig *)
{
    QString emailClient = pSettings->getSetting(KEMailSettings::ClientProgram);
    bool useKMail = (emailClient.isEmpty());

    kmailCB->setChecked(useKMail);
    otherCB->setChecked(!useKMail);
    txtEMailClient->setText(emailClient);
    txtEMailClient->setFixedHeight(txtEMailClient->sizeHint().height());
    chkRunTerminal->setChecked((pSettings->getSetting(KEMailSettings::ClientTerminal) == "true"));

    emit changed(false);
}

void CfgEmailClient::configChanged()
{
    emit changed(true);
}

void CfgEmailClient::selectEmailClient()
{
    KUrl::List urlList;
    KOpenWithDialog dlg(urlList, i18n("Select preferred email client:"), QString(), this);
    // hide "Do not &close when command exits" here, we don't need it for a mail client
    dlg.hideNoCloseOnExit();
    if (dlg.exec() != QDialog::Accepted) {
        return;
    }
    QString client = dlg.text();

    // get the preferred Terminal Application
    KConfigGroup confGroup( KGlobal::config(), QLatin1String("General") );
    QString preferredTerminal = confGroup.readPathEntry("TerminalApplication", QLatin1String("konsole"));
    preferredTerminal += QLatin1String(" -e ");

    int len = preferredTerminal.length();
    bool b = client.left(len) == preferredTerminal;
    if (b) {
        client = client.mid(len);
    }
    if (!client.isEmpty()) {
        chkRunTerminal->setChecked(b);
        txtEMailClient->setText(client);
    }
}

void CfgEmailClient::save(KConfig *)
{
    if (kmailCB->isChecked()) {
        pSettings->setSetting(KEMailSettings::ClientProgram, QString());
        pSettings->setSetting(KEMailSettings::ClientTerminal, "false");
    } else {
        pSettings->setSetting(KEMailSettings::ClientProgram, txtEMailClient->text());
        pSettings->setSetting(KEMailSettings::ClientTerminal, (chkRunTerminal->isChecked()) ? "true" : "false");
    }

    // insure proper permissions -- contains sensitive data
    QString cfgName(KGlobal::dirs()->findResource("config", "emails"));
    if (!cfgName.isEmpty()) {
        ::chmod(QFile::encodeName(cfgName), 0600);
    }
    QDBusMessage message = QDBusMessage::createSignal("/Component", "org.kde.Kcontrol", "KDE_emailSettingsChanged");
    QDBusConnection::sessionBus().send(message);
    emit changed(false);
}