/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2014  David Rosca <nowrep@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 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 "commandlineoptions.h"
#include "qupzilla.h"

#include <QCoreApplication>
#include <QFileInfo>

CommandLineOptions::CommandLineOptions(int &argc)
    : m_argc(argc)
{
    parseActions();
}

CommandLineOptions::ActionPairList CommandLineOptions::getActions()
{
    return m_actions;
}

void CommandLineOptions::showHelp()
{
    using namespace std;

    const char* help = " Usage: qupzilla [options] URL  \n"
                       "\n"
                       " QupZilla options:\n"
                       "    -h or --help                        print this message \n"
                       "    -a or --authors                     print QupZilla authors \n"
                       "    -v or --version                     print QupZilla version \n"
                       "\n"
                       "    -p=PROFILE or --profile=PROFILE     start with specified profile \n"
                       "    -ne or --no-extensions              start without extensions\n"
                       "    -po or --portable                   start in portable mode\n"
                       "\n"
                       " Options to control running QupZilla:\n"
                       "    -nt or --new-tab                    open new tab\n"
                       "    -nw or --new-window                 open new window\n"
                       "    -pb or --private-browsing           start private browsing\n"
                       "    -dm or --download-manager           show download manager\n"
                       "    -fs or --fullscreen                 toggle fullscreen\n"
                       "    -nr or --no-remote                  open new browser instance\n"
                       "    -ct=URL or --current-tab=URL        open URL in current tab\n"
                       "    -ow=URL or --open-window=URL        open URL in new window\n"
                       "\n"
                       " QupZilla is a new, fast and secure web browser\n"
                       " based on WebKit core (http://webkit.org) and\n"
                       " written in Qt Framework (http://qt-project.org/) \n\n"
                       " For more information please visit wiki at \n"
                       " https://github.com/QupZilla/qupzilla/wiki \n";

    cout << help << " > " << QupZilla::WWWADDRESS.toUtf8().data() << endl;
}

void CommandLineOptions::parseActions()
{
    using namespace std;

    const QStringList arguments = QCoreApplication::arguments();
    if (arguments.isEmpty()) {
        return;
    }

    // Skip first argument (it should be program itself)
    for (int i = 1; i < arguments.count(); ++i) {
        QString arg = arguments.at(i);

        if (arg == QLatin1String("-h") || arg == QLatin1String("--help")) {
            showHelp();
            ActionPair pair;
            pair.action = Qz::CL_ExitAction;
            m_actions.append(pair);
            break;
        }

        if (arg == QLatin1String("-a") || arg == QLatin1String("--authors")) {
            cout << "QupZilla authors: " << endl;
            cout << "  David Rosca <nowrep@gmail.com>" << endl;
            ActionPair pair;
            pair.action = Qz::CL_ExitAction;
            m_actions.append(pair);
            break;
        }

        if (arg == QLatin1String("-v") || arg == QLatin1String("--version")) {
            cout << "QupZilla v" << QupZilla::VERSION.toUtf8().data()
#ifdef GIT_REVISION
                 << " rev " << GIT_REVISION << " "
#endif
                 << "(build " << QupZilla::BUILDTIME.toUtf8().data() << ")"
                 << endl;
            ActionPair pair;
            pair.action = Qz::CL_ExitAction;
            m_actions.append(pair);
            break;
        }

        if (arg.startsWith(QLatin1String("-p=")) || arg.startsWith(QLatin1String("--profile="))) {
            int index = arg.indexOf(QLatin1Char('='));
            if (index != -1) {
                const QString profileName = arg.mid(index + 1);
                cout << "QupZilla: Starting with profile '" << profileName.toUtf8().data() << "'" << endl;

                ActionPair pair;
                pair.action = Qz::CL_StartWithProfile;
                pair.text = profileName;
                m_actions.append(pair);
            }
        }

        if (arg.startsWith(QLatin1String("-ne")) || arg.startsWith(QLatin1String("--no-extensions"))) {
            ActionPair pair;
            pair.action = Qz::CL_StartWithoutAddons;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-nt")) || arg.startsWith(QLatin1String("--new-tab"))) {
            ActionPair pair;
            pair.action = Qz::CL_NewTab;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-nw")) || arg.startsWith(QLatin1String("--new-window"))) {
            ActionPair pair;
            pair.action = Qz::CL_NewWindow;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-dm")) || arg.startsWith(QLatin1String("--download-manager"))) {
            ActionPair pair;
            pair.action = Qz::CL_ShowDownloadManager;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-pb")) || arg.startsWith(QLatin1String("--private-browsing"))) {
            ActionPair pair;
            pair.action = Qz::CL_StartPrivateBrowsing;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-nr")) || arg.startsWith(QLatin1String("--no-remote"))) {
            ActionPair pair;
            pair.action = Qz::CL_StartNewInstance;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-po")) || arg.startsWith(QLatin1String("--portable"))) {
            ActionPair pair;
            pair.action = Qz::CL_StartPortable;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-fs")) || arg.startsWith(QLatin1String("--fullscreen"))) {
            ActionPair pair;
            pair.action = Qz::CL_ToggleFullScreen;
            m_actions.append(pair);
        }

        if (arg.startsWith(QLatin1String("-ct")) || arg.startsWith(QLatin1String("--current-tab"))) {
            int index = arg.indexOf(QLatin1Char('='));
            if (index != -1) {
                ActionPair pair;
                pair.action = Qz::CL_OpenUrlInCurrentTab;
                pair.text = arg.mid(index + 1);
                m_actions.append(pair);
            }
        }

        if (arg.startsWith(QLatin1String("-ow")) || arg.startsWith(QLatin1String("--open-window"))) {
            int index = arg.indexOf(QLatin1Char('='));
            if (index != -1) {
                ActionPair pair;
                pair.action = Qz::CL_OpenUrlInNewWindow;
                pair.text = arg.mid(index + 1);
                m_actions.append(pair);
            }
        }
    }

    QString url = arguments.last();
    QFileInfo fileInfo(url);

    if (fileInfo.exists()) {
        url = fileInfo.absoluteFilePath();
    }

    if (m_argc > 1 && !url.isEmpty() && !url.startsWith(QLatin1Char('-')) &&
            (url.contains(QLatin1Char('.')) || url.contains(QLatin1Char('/'))
             || url.contains(QLatin1Char('\\')))) {
        ActionPair pair;
        pair.action = Qz::CL_OpenUrl;
        pair.text = url;
        m_actions.append(pair);
    }
}