#include "aboutpage.hpp"

#include "util/layoutcreator.hpp"
#include "widgets/helper/signallabel.hpp"

#include <QFormLayout>
#include <QGroupBox>
#include <QLabel>
#include <QTextEdit>
#include <QVBoxLayout>

#define PIXMAP_WIDTH 500

namespace chatterino {
namespace widgets {
namespace settingspages {

AboutPage::AboutPage()
    : SettingsPage("About", ":/images/about.svg")
{
    util::LayoutCreator<AboutPage> layoutCreator(this);

    auto layout = layoutCreator.emplace<QVBoxLayout>().withoutMargin();
    {
        QPixmap pixmap;
        pixmap.load(":/images/aboutlogo.png");

        auto logo = layout.emplace<QLabel>().assign(&this->logo);
        logo->setPixmap(pixmap);
        logo->setFixedSize(PIXMAP_WIDTH, PIXMAP_WIDTH * pixmap.height() / pixmap.width());
        logo->setScaledContents(true);

        // this does nothing
        //        QPalette palette;
        //        palette.setColor(QPalette::Text, Qt::white);
        //        palette.setColor(QPalette::Link, "#a5cdff");
        //        palette.setColor(QPalette::LinkVisited, "#a5cdff");

        auto created = layout.emplace<QLabel>();
        {
            created->setText(
                "Twitch Chat Client created by <a href=\"https://github.com/fourtf\">fourtf</a>");
            created->setTextFormat(Qt::RichText);
            created->setTextInteractionFlags(Qt::TextBrowserInteraction |
                                             Qt::LinksAccessibleByKeyboard |
                                             Qt::LinksAccessibleByKeyboard);
            created->setOpenExternalLinks(true);
            //        created->setPalette(palette);
        }

        auto github = layout.emplace<QLabel>();
        {
            github->setText(
                "<a href=\"https://github.com/fourtf/chatterino2\">Chatterino on Github</a>");
            github->setTextFormat(Qt::RichText);
            github->setTextInteractionFlags(Qt::TextBrowserInteraction |
                                            Qt::LinksAccessibleByKeyboard |
                                            Qt::LinksAccessibleByKeyboard);
            github->setOpenExternalLinks(true);
            //        github->setPalette(palette);
        }

        auto licenses = layout.emplace<QGroupBox>("Open source software used");
        {
            auto form = licenses.emplace<QFormLayout>();

            addLicense(*form, "Qt Framework", "https://www.qt.io", ":/licenses/qt_lgpl-3.0.txt");
            addLicense(*form, "Boost", "https://www.boost.org/", ":/licenses/boost_boost.txt");
            addLicense(*form, "Fmt", "http://fmtlib.net/", ":/licenses/fmt_bsd2.txt");
            addLicense(*form, "LibCommuni", "https://github.com/communi/libcommuni",
                       ":/licenses/libcommuni_BSD3.txt");
            addLicense(*form, "OpenSSL", "https://www.openssl.org/", ":/licenses/openssl.txt");
            addLicense(*form, "RapidJson", "http://rapidjson.org/", ":/licenses/rapidjson.txt");
            addLicense(*form, "Pajlada/Settings", "https://github.com/pajlada/settings",
                       ":/licenses/pajlada_settings.txt");
            addLicense(*form, "Pajlada/Signals", "https://github.com/pajlada/signals",
                       ":/licenses/pajlada_signals.txt");
            addLicense(*form, "Websocketpp", "https://www.zaphoyd.com/websocketpp/",
                       ":/licenses/websocketpp.txt");
        }
    }

    layout->addStretch(1);
}

void AboutPage::addLicense(QFormLayout *form, const QString &name, const QString &website,
                           const QString &licenseLink)
{
    auto *a = new QLabel("<a href=\"" + website + "\">" + name + "</a>");
    a->setOpenExternalLinks(true);
    auto *b = new SignalLabel();
    b->setText("<a href=\"" + licenseLink + "\">show license</a>");
    QObject::connect(b, &SignalLabel::mouseUp, [licenseLink] {
        auto *edit = new QTextEdit;

        QFile file(licenseLink);
        file.open(QIODevice::ReadOnly);
        edit->setText(file.readAll());
        edit->setReadOnly(true);
        edit->show();
    });

    form->addRow(a, b);
}

}  // namespace settingspages
}  // namespace widgets
}  // namespace chatterino