#include "tinytinyrsslogin.h"
#include <QJsonDocument>
#include <QJsonObject>
#include <QNetworkReply>
#include <QSettings>

#define APP_URL "net.jeena"
#define APP_NAME "FeedMonkey"

TinyTinyRSSLogin::TinyTinyRSSLogin(QObject *parent) :
    QObject(parent)
{
    mNetworkManager = new QNetworkAccessManager(this);

    QSettings settings;
    mSessionId = settings.value("sessionId").toString();
    mServerUrl = settings.value("serverUrl").toString();
}

TinyTinyRSSLogin::~TinyTinyRSSLogin()
{
    delete mNetworkManager;
}

bool TinyTinyRSSLogin::loggedIn()
{
    return !mSessionId.isEmpty();
}

void TinyTinyRSSLogin::login(const QString serverUrl, const QString user, const QString password)
{
    mServerUrl = QUrl(serverUrl + "/api/");

    QVariantMap options;
    options.insert("op", "login");
    options.insert("user", user);
    options.insert("password", password);

    QJsonObject jsonobj = QJsonObject::fromVariantMap(options);
    QJsonDocument json = QJsonDocument(jsonobj);

    QNetworkRequest request(mServerUrl);
    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");

    QNetworkReply *reply = mNetworkManager->post(request, json.toJson());
    connect(reply, SIGNAL(finished()), this, SLOT(reply()));
}

void TinyTinyRSSLogin::logout()
{
    if(mSessionId.length() > 0 && mServerUrl.toString().length() > 0) {
        QVariantMap options;
        options.insert("op", "logout");
        options.insert("sid", mSessionId);

        QJsonObject jsonobj = QJsonObject::fromVariantMap(options);
        QJsonDocument json = QJsonDocument(jsonobj);

        QNetworkRequest request(mServerUrl);
        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");

        QNetworkReply *reply = mNetworkManager->post(request, json.toJson());
        connect(reply, SIGNAL(finished()), this, SLOT(reply()));
    }
}

void TinyTinyRSSLogin::reply()
{
    QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());

    if (reply) {
        if (reply->error() == QNetworkReply::NoError) {

            QString jsonString = QString(reply->readAll());
            QJsonDocument json = QJsonDocument::fromJson(jsonString.toUtf8());
            mSessionId = json.object().value("content").toObject().value("session_id").toString();

            emit sessionIdChanged(mSessionId);

            QSettings settings;
            settings.setValue("sessionId", mSessionId);
            settings.setValue("serverUrl", mServerUrl);
            settings.sync();

        } else {
            int httpStatus = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
            //do some error management
            qWarning() << "HTTP error: " << httpStatus << " :: " << reply->error();
        }
        reply->deleteLater();
    }
}