//////////////////////////////////////////////////////////////////////////////////////
//    akashi - a server for Attorney Online 2                                       //
//    Copyright (C) 2020  scatterflower                                             //
//                                                                                  //
//    This program is free software: you can redistribute it and/or modify          //
//    it under the terms of the GNU Affero General Public License as                //
//    published by the Free Software Foundation, either version 3 of the            //
//    License, or (at your option) any later version.                               //
//                                                                                  //
//    This program is distributed in the hope that it will be useful,               //
//    but WITHOUT ANY WARRANTY; without even the implied warranty of                //
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 //
//    GNU Affero General Public License for more details.                           //
//                                                                                  //
//    You should have received a copy of the GNU Affero General Public License      //
//    along with this program.  If not, see <https://www.gnu.org/licenses/>.        //
//////////////////////////////////////////////////////////////////////////////////////
#ifndef DISCORD_H
#define DISCORD_H

#include <QtNetwork>
#include <QCoreApplication>

/**
 * @brief A class for handling all Discord webhook requests.
 */
class Discord : public QObject {
    Q_OBJECT

public:
    /**
     * @brief Constructor for the Discord object
     *
     * @param f_webhook_url The URL to send webhook POST requests to.
     * @param f_webhook_content The content to include in the webhook POST request.
     * @param f_webhook_sendfile Whether or not to send a file containing area logs with the webhook POST request.
     * @param parent Qt-based parent, passed along to inherited constructor from QObject.
     */
    Discord(const QUrl& f_webhook_url, const QString& f_webhook_content, const bool& f_webhook_sendfile, QObject* parent = nullptr);

    /**
      * @brief Deconstructor for the Discord class.
      *
      * @details Marks the nam to be deleted later.
      */
    ~Discord();

    /**
     * @brief Sends a webhook POST request with the given JSON document.
     *
     * @param f_json The JSON document to send.
     */
    void postJsonWebhook(const QJsonDocument& f_json);

    /**
     * @brief Sends a webhook POST request with the given QHttpMultiPart.
     *
     * @param f_multipart The QHttpMultiPart to send.
     */
    void postMultipartWebhook(QHttpMultiPart& f_multipart);

    /**
     * @brief Constructs a new JSON document for modcalls.
     *
     * @param f_name The name of the modcall sender.
     * @param f_area The name of the area the modcall was sent from.
     * @param f_reason The reason for the modcall.
     *
     * @return A JSON document for the modcall.
     */
    QJsonDocument constructModcallJson(const QString& f_name, const QString& f_area, const QString& f_reason) const;

    /**
     * @brief Constructs a new QHttpMultiPart document for log files.
     *
     * @param f_buffer The area's log buffer.
     *
     * @return A QHttpMultiPart containing the log file.
     */
    QHttpMultiPart* constructLogMultipart(const QQueue<QString>& f_buffer) const;

public slots:
    /**
     * @brief Handles a modcall webhook request.
     *
     * @param f_name The name of the modcall sender.
     * @param f_area The name of the area the modcall was sent from.
     * @param f_reason The reason for the modcall.
     * @param f_buffer The area's log buffer.
     */
    void onModcallWebhookRequested(const QString& f_name, const QString& f_area, const QString& f_reason, const QQueue<QString>& f_buffer);

private:
    /**
     * @brief The QNetworkAccessManager for webhooks.
     */
    QNetworkAccessManager* m_nam;

    /**
     * @brief The QNetworkRequest for webhooks.
     */
    QNetworkRequest m_request;

    /**
     * @brief The content to include in the webhook POST request.
     */
    const QString& m_webhook_content;

    /**
     * @brief Whether or not to send a file containing area logs with the webhook POST request.
     */
    const bool& m_webhook_sendfile;

private slots:
    /**
     * @brief Handles a network reply from a webhook POST request.
     *
     * @param f_reply Pointer to the QNetworkReply created by the webhook POST request.
     */
    void onReplyFinished(QNetworkReply* f_reply);
};

#endif // DISCORD_H