/*******************************************************************************
 **
 ** smolbote: yet another qute browser
 ** Copyright (C) 2017  Xian Nox
 **
 ** 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 <iostream>
#include "browser.h"
#include "mainwindow.h"
#include <QApplication>
#include <QCommandLineParser>

/**
 * @brief printPoiToml Print the built-in config
 * @param output std::ostream to print to
 */
void printPoiToml(std::ostream &output)
{
    QFile conf(":/poi.toml");
    if(conf.open(QIODevice::ReadOnly)) {
        output << conf.readAll().toStdString() << std::endl;
        conf.close();
    }
}

const QHash<QString, QVariant> parseCommandLine(QApplication &app)
{
    QCommandLineParser parser;
    parser.setApplicationDescription("yet another Qt browser");
    parser.addHelpOption();
    parser.addVersionOption();

    QCommandLineOption configOption(QStringList() << "c" << "config", "Set configuration file.", "PATH");
    parser.addOption(configOption);

    QCommandLineOption defaultConfigOption(QStringList() << "print-defaults", "Print default configuration.");
    parser.addOption(defaultConfigOption);

    QCommandLineOption profileOption(QStringList() << "p" << "profile", "Use this profile.", "PROFILE");
    parser.addOption(profileOption);

    //QCommandLineOption nopluginsOption(QStringList() << "n" << "no-plugins", "Don't load plugins");
    //parser.addOption(nopluginsOption);

    QCommandLineOption newInstanceOption(QStringList() << "new-instance", "Skip instance check at startup");
    parser.addOption(newInstanceOption);

    QCommandLineOption newWindowOption(QStringList() << "in-new-window", "Open URL in new window");
    parser.addOption(newWindowOption);

    QCommandLineOption newTabOption(QStringList() << "in-new-tab", "Open URL in new tab");
    parser.addOption(newTabOption);

    parser.addPositionalArgument("URL", "URL(s) to open");

    parser.process(app);

    QHash<QString, QVariant> options;
    if(parser.isSet(configOption)) {
        options.insert("config", parser.value(configOption));
    }
    if(parser.isSet(defaultConfigOption)) {
        options.insert("print-defaults", true);
    }
    if(parser.isSet(profileOption)) {
        options.insert("profile", parser.value(profileOption));
    }
    if(parser.isSet(newInstanceOption)) {
        options.insert("new-instance", true);
    }
    if(parser.isSet(newWindowOption)) {
        options.insert("in-new-window", true);
    }
    if(parser.isSet(newTabOption)) {
        options.insert("in-new-tab", true);
    }
    options.insert("urls", parser.positionalArguments());

    return options;
}

int main(int argc, char *argv[])
{
    // Create application object
    Browser app(argc, argv);

    // program init
    {
        // parse command line options
        const QHash<QString, QVariant> options = parseCommandLine(app);

        // Check for another instance unless specified not to
        if(!options.contains("new-instance")) {
            app.bindLocalSocket();
            if(app.isRunning()) {
                qDebug("Another instance is running, returning...");
                app.sendMessage(options);
                return 0;
            }
        }

        if(options.contains("print-defaults")) {
            printPoiToml(std::cout);
            return 0;
        }

        app.setWindowIcon(QIcon(QLatin1String(":/icon.svg")));
        // This lets the web view automatically scale on high-dpi displays.
        app.setAttribute(Qt::AA_EnableHighDpiScaling);

        // Set configuration
        app.loadSettings(options.value("config", "").toString());

        // Load profiles
        app.loadProfiles();

        // Load plugins
        //    if(!parser.isSet(nopluginsOption)) {
        //        app.loadPlugins();
        //    }

        app.createWindow(options);
    }

    return app.exec();
}