/*
 * Strawberry Music Player
 * Copyright 2024, Jonas Kvinge <jonas@jkvinge.net>
 *
 * Strawberry is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Strawberry 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef OPENTIDALCOVERPROVIDER_H
#define OPENTIDALCOVERPROVIDER_H

#include "config.h"

#include <QObject>
#include <QList>
#include <QQueue>
#include <QVariant>
#include <QByteArray>
#include <QString>
#include <QDateTime>
#include <QSslError>
#include <QJsonObject>

#include "core/shared_ptr.h"
#include "jsoncoverprovider.h"

class QNetworkReply;
class Application;
class NetworkAccessManager;
class QTimer;

class OpenTidalCoverProvider : public JsonCoverProvider {
  Q_OBJECT

 public:
  explicit OpenTidalCoverProvider(Application *app, SharedPtr<NetworkAccessManager> network, QObject *parent = nullptr);
  ~OpenTidalCoverProvider() override;

  bool StartSearch(const QString &artist, const QString &album, const QString &title, const int id) override;
  void CancelSearch(const int id) override;

 private:
  struct SearchRequest {
    explicit SearchRequest(const int _id, const QString &_artist, const QString &_album, const QString &_title) : id(_id), artist(_artist), album(_album), title(_title) {}
    int id;
    QString artist;
    QString album;
    QString title;
  };
  using SearchRequestPtr = SharedPtr<SearchRequest>;

 private:
  void LoadSession();
  void LoginCheck();
  void Login();
  QJsonObject GetJsonObject(QNetworkReply *reply);
  QJsonObject ExtractJsonObj(const QByteArray &data);
  void SendSearchRequest(SearchRequestPtr request);
  void FinishAllSearches();
  void Error(const QString &error, const QVariant &debug = QVariant()) override;

 private Q_SLOTS:
  void FlushRequests();
  void LoginFinished(QNetworkReply *reply);
  void HandleLoginSSLErrors(const QList<QSslError> &ssl_errors);
  void HandleSearchReply(QNetworkReply *reply, SearchRequestPtr search_request);

 private:
  QTimer *login_timer_;
  QTimer *timer_flush_requests_;
  bool login_in_progress_;
  QDateTime last_login_attempt_;
  bool have_login_;
  QString token_type_;
  QString access_token_;
  qint64 login_time_;
  qint64 expires_in_;
  QQueue<SearchRequestPtr> search_requests_queue_;
  QList<QNetworkReply*> replies_;
};

#endif  // OPENTIDALCOVERPROVIDER_H