#ifndef XHR_H
#define XHR_H

#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QObject>

class XHR : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString url READ url WRITE setUrl NOTIFY urlChanged)
    Q_PROPERTY(QString login READ login WRITE setLogin NOTIFY loginChanged)
    Q_PROPERTY(QString filename READ filename WRITE setFilename NOTIFY filenameChanged)
    Q_PROPERTY(QString downloadtype READ downloadtype WRITE setDownloadtype NOTIFY downloadtypeChanged)


public:
    static XHR *instance();

    explicit XHR(QObject *parent = 0);
  
    QString url() const;
    QString login() const;
    QString filename() const;
    QString downloadtype() const;

signals:
    void urlChanged();
    void loginChanged();
    void filenameChanged();
    void downloadtypeChanged();
    void downloaded(QString data);
    void success(QString data);
    void error(QString data, int code);

public slots:
    void setUrl(QString url);
    void setLogin(QString login);
    void setDownloadtype(QString downloadtype);
    void setFilename(QString filename);
    void setParam(QString name, QString value);
    void setImageFileParam(QString name, QString url);
    void clearParams();
    void post();
    void get();
    void download();

private slots:
    void onReplyError(QNetworkReply::NetworkError code);
    void onReplySuccess();
    void onRequestFinished();
    void onReadyRead();
    void onSSLError(const QList<QSslError> &errors);
    //void updateDownloadProgress(qint64 bytesRead, qint64 totalBytes);

private:
    QByteArray buffer;
    QString m_url;
    QString m_login;
    QString m_filename;
    QString m_downloadtype;
    QHash<QString, QString> params;
    QHash<QString, QString> files;

    QNetworkAccessManager manager;
    QNetworkRequest request;
    QNetworkReply *reply;

    QString bufferToString();
};

#endif // XHR_H