/*
 * (c) Copyright, Real-Time Innovations, 2024.
 * All rights reserved.
 *
 * No duplications, whole or partial, manual or electronic, may be made
 * without express written permission.  Any such copies, or
 * revisions thereof, must display this notice unaltered.
 * This code contains trade secrets of Real-Time Innovations, Inc.
 */

#ifndef WEBSOCKET_API_UTILS_H_
#define WEBSOCKET_API_UTILS_H_

#include "dds_c/dds_c_printformat.h"
#include <memory>

#include <rti/apputils/http/common/HttpException.hpp>

#define ERR_LOST_HEADER "Lost header"
#define WEBSOCKET_RESPONSE_NAME "response"
#define WEBSOCKET_HELLO_FAIL_HEADER "HELLO FAIL:"

namespace rti { namespace apputils { namespace websocket {

enum class WebSocketStateKind{
    UNKNOWN,
    CREATE,
    OPEN,
    READY,
    CLOSE
};

enum class WebSocketContentType{
    UNKNOWN,
    JSON,
    XML
};

inline DDS_PrintFormatKind to_print_format_kind(WebSocketContentType contentType) {
    return contentType == WebSocketContentType::JSON
            ? DDS_JSON_PRINT_FORMAT
            : DDS_XML_PRINT_FORMAT;
}

inline WebSocketContentType to_websocket_content_type(DDS_PrintFormatKind formatKind) {
    WebSocketContentType value = WebSocketContentType::UNKNOWN;
    switch (formatKind) {
    case DDS_JSON_PRINT_FORMAT:
        value = WebSocketContentType::JSON;
        break;
    case DDS_XML_PRINT_FORMAT:
        value = WebSocketContentType::XML;
        break;
    case DDS_DEFAULT_PRINT_FORMAT:
        value = WebSocketContentType::XML;
        break;
    default:
        value = WebSocketContentType::UNKNOWN;
        break;
    }
    return value;
}

/**
 * The RequestException class defines a exception will log an error message
 * via RTIWsddsLog_exeption or will just propagate a given return code
 * identifying the error and an error message. The class inherits from
 * Exception, as a result users can use familiar interfaces, such as what() to
 * get the error message. Also it have the request id to create the error
 * message to be sent.
 */
class RequestException : public rti::apputils::http::HttpException {
public:
    RequestException(
            const char *throwing_context,
            rti::apputils::http::StatusCode error_code,
            const RTILogMessage *log_message,
            const char *method_name,
            ...)
            : HttpException(throwing_context, error_code, log_message),
              method_name_(method_name)
    {
    }

    /**
     * Returns the method name that threw the exception.
     * @return Method name that threw the exception.
     */
    const char * get_method_name() const
    {
        return method_name_;
    }

private:
    const char *method_name_;
};

}}}  // namespace rti::webdds::websocket

#endif // WEBSOCKET_API_UTILS_H_