{{>licenseInfo}}
/**
 * Based on http://www.creativepulse.gr/en/blog/2014/restful-api-requests-using-qt-cpp-for-linux-mac-osx-ms-windows
 * By Alex Stylianos
 *
 **/

#ifndef {{prefix}}_HTTPREQUESTWORKER_H
#define {{prefix}}_HTTPREQUESTWORKER_H

#include <QMap>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QObject>
#include <QString>
#include <QTimer>
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
    #include <QRandomGenerator>
#endif

#include "{{prefix}}HttpFileElement.h"

{{#cppNamespaceDeclarations}}
namespace {{this}} {
{{/cppNamespaceDeclarations}}

enum {{prefix}}HttpRequestVarLayout {
    NOT_SET,
    ADDRESS,
    URL_ENCODED,
    MULTIPART
};

class {{prefix}}HttpRequestInput {

public:
    QString url_str;
    QString http_method;
    {{prefix}}HttpRequestVarLayout var_layout;
    QMap<QString, QString> vars;
    QMap<QString, QString> headers;
    QList<{{prefix}}HttpFileElement> files;
    QByteArray request_body;

    {{prefix}}HttpRequestInput();
    {{prefix}}HttpRequestInput(QString v_url_str, QString v_http_method);
    void initialize();
    void add_var(QString key, QString value);
    void add_file(QString variable_name, QString local_filename, QString request_filename, QString mime_type);
};

class {{prefix}}HttpRequestWorker : public QObject {
    Q_OBJECT

public:
    explicit {{prefix}}HttpRequestWorker(QObject *parent = nullptr, QNetworkAccessManager *manager = nullptr);
    virtual ~{{prefix}}HttpRequestWorker();

    QByteArray response;
    QNetworkReply::NetworkError error_type;
    QString error_str;

    QMap<QString, QString> getResponseHeaders() const;
    QString http_attribute_encode(QString attribute_name, QString input);
    void execute({{prefix}}HttpRequestInput *input);
    static QSslConfiguration *sslDefaultConfiguration;
    void setTimeOut(int timeOutMs);
    void setWorkingDirectory(const QString &path);
    {{prefix}}HttpFileElement getHttpFileElement(const QString &fieldname = QString());
    QByteArray *getMultiPartField(const QString &fieldname = QString());
    void setResponseCompressionEnabled(bool enable);
    void setRequestCompressionEnabled(bool enable);
    int  getHttpResponseCode() const;

Q_SIGNALS:
    void on_execution_finished({{prefix}}HttpRequestWorker *worker);

private:
    enum {{prefix}}CompressionType{
        Zlib,
        Gzip
    };
    QNetworkAccessManager *manager;
    QMap<QString, QString> headers;
    QMap<QString, {{prefix}}HttpFileElement> files;
    QMap<QString, QByteArray *> multiPartFields;
    QString workingDirectory;
    QTimer timeOutTimer;
    bool isResponseCompressionEnabled;
    bool isRequestCompressionEnabled;
    int  httpResponseCode;
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
    QRandomGenerator randomGenerator;
#endif

    void on_reply_timeout(QNetworkReply *reply);
    void on_reply_finished(QNetworkReply *reply);
    void process_response(QNetworkReply *reply);
    QByteArray decompress(const QByteArray& data);
    QByteArray compress(const QByteArray& input, int level, {{prefix}}CompressionType compressType);
};

{{#cppNamespaceDeclarations}}
} // namespace {{this}}
{{/cppNamespaceDeclarations}}

#endif // {{prefix}}_HTTPREQUESTWORKER_H
