#ifndef HTTPINFORMATION_H
#define HTTPINFORMATION_H

#include <QtCore/QDebug>
#include <QtCore/QObject>
#include <QtCore/QBuffer>
#include <QtCore/QStringList>

#include <QtNetwork/QHttp>

#include "Glass_global.h"

class GLASSSHARED_EXPORT HttpInformation : public QObject
{
    Q_OBJECT

public:
    HttpInformation(QObject *parent = 0);
    ~HttpInformation();

    void begin();
    bool isUpdated();
    int offsetSeconds();
    QString timestamp() const;
    QString version() const;
    QString html() const;

signals:
    void done(bool valid);

private:
    enum Step
    {
        Non,
        One,
        Two,
    };

    struct Version
    {
        int major;
        int minor;
        int patch;
        int build;
    };

    int _reqId;
    int _beginTime;
    int _localTime;
    int _serverTime;
    bool _isUpdated;
    Step _step;

    QHttp* _http;
    QBuffer* _buffer;

    QString _timestamp;
    QString _version;
    QString _page;
    QString _html;

    void parseElement(const QString& name, const QString& value);
    bool parseVersion(Version& ver, const QString& value);

private slots:
    void httpDone(bool error);
    void httpRequestFinished(int requestId, bool error);
    void httpStateChanged(int state);
};

#endif // HTTPINFORMATION_H