#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    ui->menuBar->setVisible(false);

    qDebug() << "Using: " << this->qsettings.fileName();

    this->qsystemtrayicon = new QSystemTrayIcon(this->windowIcon(), 0);
    this->qsystemtrayicon->show();
    this->qsystemtrayicon->setContextMenu(ui->menuMenu1);
    this->qsystemtrayicon->setToolTip(this->windowTitle());
    this->connect(this->qsystemtrayicon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(slotActivated(QSystemTrayIcon::ActivationReason)));
    this->updateStatus();
    this->updateSpaceList(this->qsettings.value("hackerspace").toString());



    this->timer = new QTimer();
    this->connect(this->timer, SIGNAL(timeout()), this, SLOT(updateStatus()));
    // update every five minutes...
    this->timer->start(60000 * 5);

}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::updateSpaceList(QString defaultSpace)
{
    QUrl url("http://spaceapi.net/directory.json");
    QJsonObject json = QJsonDocument::fromJson(this->download(url)).object();

    QJsonObject::Iterator it;
    for(it=json.begin(); it!=json.end(); it++)
    {
        //qDebug() << it.key() << "\t" << it.value().toString();
        ui->comboBox->addItem(it.key(), it.value().toString());
        if(it.key() == defaultSpace)
            ui->comboBox->setCurrentIndex(ui->comboBox->count()-1);
    }

}

// lets not talk about memory leaks. yes, they are there. but it works somehow.
void MainWindow::updateStatus()
{
    //QUrl url("http://hackerspace-bielefeld.de/spacestatus/status.json");
    qDebug() << ui->comboBox->currentData().toString();
    ui->label_url_json->setText(ui->comboBox->currentData().toString());

    QUrl url(ui->comboBox->currentData().toString());
    QByteArray rawData = this->download(url);
    //qDebug() << rawData;
    QJsonDocument doc = QJsonDocument::fromJson(rawData);
    ui->plainTextEdit->setPlainText(doc.toJson(QJsonDocument::Indented));

    //qDebug() << doc.toJson(QJsonDocument::Indented);
    QJsonObject json = doc.object();
    QString strUrl;
    strUrl = json["state"].toObject()
                 ["icon"].toObject()
                 [json["state"].toObject()["open"].toBool() ? "open" : "closed"].toString();
    if(strUrl == "")
        strUrl = json["icon"].toObject()
                     [json["state"].toObject()["open"].toBool() ? "open" : "closed"].toString();



    qDebug() << "downloading: " << strUrl;
    this->imageArray = this->download(QUrl(strUrl));
    //qDebug("test: " + imageArray.size());
    QImage image = QImage::fromData(imageArray);

    this->currentIcon = new QIcon(QPixmap::fromImage(image));
    this->qsystemtrayicon->setIcon(*currentIcon);

    //QPixmap* pixmap = new QPixmap("/home/max/folder.png");
    QUrl logoURL(json["logo"].toString());
    //qDebug() << "logo: " << logoURL.toString();
    QPixmap pixmap = QPixmap::fromImage(QImage::fromData(this->download(logoURL)));
    ui->label_icon->setPixmap(pixmap.scaled(120, 120, Qt::KeepAspectRatio));
}

void MainWindow::saveSettings()
{
    this->qsettings.setValue("hackerspace", ui->comboBox->currentText());
}



QByteArray MainWindow::download(QUrl url)
{
    qDebug() << "downloading: " << url.toString();
    QNetworkAccessManager manager;
    QNetworkReply *response = manager.get(QNetworkRequest(QUrl(url)));
    QEventLoop event;
    connect(response, SIGNAL(finished()), &event, SLOT(quit()));
    connect(response, &QNetworkReply::sslErrors,
        [=](const QList<QSslError>& errors) {
        qDebug() << errors[0].errorString();
        // many of us use self-signed certificates or they have expired.
        // this should not matter here, therefore ignore...
        response->ignoreSslErrors();
    }
    );
    connect(response, static_cast<void(QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
        [=](QNetworkReply::NetworkError)
        {
            qDebug() << "NetworkError!"; // code.errorString();
            //qDebug() << ;
            qDebug() << response->errorString();

        }
    );
    event.exec();
    if (response->error() == QNetworkReply::NoError)
    {
        int statusCode = response->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();

        qDebug() << "Status: " << statusCode;
        switch(statusCode)
        {
            case 301:
            case 302:
            case 303:
                return this->download(response->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl());
            break;
        }
    }
    return response->readAll();
}

void MainWindow::slotActivated(QSystemTrayIcon::ActivationReason reason)
{
    qDebug() << "trigger";
    if(reason == QSystemTrayIcon::Trigger)
    {
        if(this->isVisible())
            this->hide();
        else
        {
            this->setWindowState(Qt::WindowNoState);
            this->show();
            this->activateWindow();
        }

    }
    else
    {
        qDebug() << "activate(reason): " << reason;
    }
}

void MainWindow::exitApplication()
{
    qDebug() << "exit now!";
    exit(0);
}

void MainWindow::on_comboBox_currentIndexChanged(const QString &arg1)
{
    qDebug() << arg1;
    this->updateStatus();
    this->saveSettings();
}