/*
 *  Copyright (c) 2014 Boudewijn Rempt <boud@valdyas.org>
 *
 *  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 "kis_about_application.h"

#include <QDebug>
#include <QTabWidget>
#include <QLabel>
#include <QTextEdit>
#include <QString>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>

#include <klocale.h>

#include "../data/splash/splash_screen.xpm"
#include "kis_splash_screen.h"
#include "kis_aboutdata.h"
#include "kis_factory2.h"

KisAboutApplication::KisAboutApplication(const KAboutData *aboutData, QWidget *parent)
    : QDialog(parent)
{
    setWindowTitle(i18n("About Krita"));

    QVBoxLayout *vlayout = new QVBoxLayout(this);
    vlayout->setMargin(0);
    QTabWidget *wdg = new QTabWidget;
    vlayout->addWidget(wdg);

    KisSplashScreen *splash = new KisSplashScreen(aboutData->version(), splash_screen_xpm);
    splash->setWindowFlags(Qt::Widget);
    splash->setFixedSize(splash->sizeHint());
    wdg->addTab(splash, i18n("About"));
    setMinimumSize(wdg->sizeHint());

    QTextEdit *lblAuthors = new QTextEdit();
    lblAuthors->setReadOnly(true);

    QString authors = i18n("<html>"
                          "<head/>"
                          "<body>"
                          "<h1 align=\"center\">Created By</h1></p>"
                          "<p>");

    foreach(const KAboutPerson &author, aboutData->authors()) {
        authors.append(author.name());
        if (!author.task().isEmpty()) {
            authors.append(" (<i>" + author.task() + "</i>)");
        }
        authors.append(", ");
    }
    authors.chop(2);
    authors.append(".</p></body></html>");
    lblAuthors->setText(authors);
    wdg->addTab(lblAuthors, i18n("Authors"));

    QTextEdit *lblKickstarter = new QTextEdit();
    lblKickstarter->setReadOnly(true);

    QString backers = i18n("<html>"
                          "<head/>"
                          "<body>"
                          "<h1 align=\"center\">Backed By</h1>"
                          "<p>");

    foreach(const KAboutPerson &backer, aboutData->credits()) {
        if (backer.task() ==  ki18n("Krita 2.9 Kickstarter Backer").toString()) {
            backers.append(backer.name() + ", ");
        }
    }
    backers.chop(2);
    backers.append(i18n(".</p><p><i>Thanks! You were all <b>awesome</b>!</i></p></body></html>"));
    lblKickstarter->setText(backers);
    wdg->addTab(lblKickstarter, i18n("Backers"));


    QTextEdit *lblCredits = new QTextEdit();
    lblCredits->setReadOnly(true);
    QString credits = i18n("<html>"
                          "<head/>"
                          "<body>"
                          "<h1 align=\"center\">Thanks To</h1>"
                          "<p>");
    foreach(const KAboutPerson &credit, aboutData->credits()) {
        if (credit.task() !=  ki18n("Krita 2.9 Kickstarter Backer").toString()) {
            credits.append(credit.name());
            if (!credit.task().isEmpty()) {
                credits.append(" (<i>" + credit.task() + "</i>)");
            }
            credits.append(", ");

        }
    }
    credits.chop(2);
    credits.append(i18n(".</p><p><i>For supporting Krita development with advice, icons, brush sets and more.</i></p></body></html>"));

    lblCredits->setText(credits);
    wdg->addTab(lblCredits, i18n("Also Thanks To"));

    QTextEdit *lblLicense = new QTextEdit();
    lblLicense->setReadOnly(true);
    QString license = i18n("<html>"
                           "<head/>"
                           "<body>"
                           "<h1 align=\"center\"><b>Your Rights</h1>"
                           "<p>Krita is released under the GNU General Public License (version 2 or any later version).</p>"
                           "<p>This license grants people a number of freedoms:</p>"
                           "<ul>"
                           "<li>You are free to use Krita, for any purpose</li>"
                           "<li>You are free to distribute Krita</li>"
                           "<li>You can study how Krita works and change it</li>"
                           "<li>You can distribute changed versions of Krita</li>"
                           "</ul>"
                           "<p>The Krita Foundation and its projects on krita.org are <b>committed</b> to preserving Krita as free software.</p>"
                           "<h1 align=\"center\">Your artwork</h1>"
                           "<p>What you create with Krita is your sole property. All your artwork is free for you to use as you like.</p>"
                           "<p>That means that Krita can be used commercially, for any purpose. There are no restrictions whatsoever.</p>"
                           "<p>Krita’s GNU GPL license guarantees you this freedom. Nobody is ever permitted to take it away, in contrast"
                           "to trial or educational versions of commercial software that will forbid your work in commercial situations.</p>"
                           "<br/><hr/><pre>");

    license.append(aboutData->license());
    license.append("</pre></body></html>");
    lblLicense->setText(license);

    wdg->addTab(lblLicense, i18n("License"));

    QPushButton *bnClose = new QPushButton(i18n("Close"));
    connect(bnClose, SIGNAL(clicked()), SLOT(close()));

    QHBoxLayout *hlayout = new QHBoxLayout;
    hlayout->setMargin(0);
    hlayout->addStretch(10);
    hlayout->addWidget(bnClose);

    vlayout->addLayout(hlayout);
}
