#include<cpprest\http_client.h>

using namespace utility;

using namespace web;

using namespace web::http;

using namespace web::http::client;

using namespace concurrency::streams;

#pragma once

class VisionRestRequest

{

public:

/* use to send local request by default */

VisionRestRequest(int flag);

/* use to construct request that send local/remote request */

VisionRestRequest(int flag, bool send_raw_image);

void ConstructRequestHeader(const wchar_t *subscription_key);

void ConstructRequestBody(const wchar_t* image_path);

int SendAnalysisRequest(const wchar_t* key, const wchar_t* image);

/* set image properties from the request, cognitive service can fetch width, height and format information */

void setImageWidth(double a);

void setImageHeight(double a);

void setImageFormat(std::string form);

/* image captions information (Description request) */

void setImageCaptionsInfo(std::string tags, std::string caps, std::string caps_conf);

std::string getImageCaptionInfo();

std::string getImageCaptionConfidenceInfo();

std::string getImageCaptionTagsInfo();

/* image tags information (Tag request) */

void setImageTagsInfo(std::string tags);

void setImageTagsConfidenceInfo(std::string conf);

std::string getImageTags();

std::string getImageTagsConfidenceInfo();

/* image category names */

void setCategoryNames(std::string s);

void setCategoryScores(std::string s);

std::string getCategoryNames();

std::string getCategoryScores();

/*

from 0 to 6, the corresponding type is as follows:

{ "Categories", "ImageType", "Faces", "Adult", "Color", "Tags", "Description" };

*/

void setRequestType(int flag);

http_client* getClient();

http_request* getRequest();

~VisionRestRequest();

private:

http_client* client;

http_request* request;

bool send_raw_image = true;

/// memeber variables to store the responses(parsed results)

double img_width;

double img_height;

std::string img_format;

/// information extracted from the `Description` request, it contains many tags and one caption/description

std::string image_captions_tags; ///NOTE, for these tags, there is no confidence in the `Description` request.

std::string image_captions;

std::string image_caption_confs;

/// information about the tags, there are only 5 tags, this is from `Tag` request

std::string image_tags;

std::string image_tags_confidence;

/// information about the category names

std::string cat_names;

std::string cat_scores;

};