/* This file is part of Clementine.
   Copyright 2021, Fabio Bas <ctrlaltca@gmail.com>

   Clementine 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.

   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef INTERNET_RADIOBROWSER_RADIOBROWSERSERVICE_H_
#define INTERNET_RADIOBROWSER_RADIOBROWSERSERVICE_H_

#include <QJsonObject>
#include <QMenu>

#include "core/cachedlist.h"
#include "internet/core/internetmodel.h"
#include "internet/core/internetservice.h"

class RadioBrowserUrlHandler;

class QNetworkAccessManager;
class QNetworkReply;

class RadioBrowserService : public InternetService {
  Q_OBJECT

 public:
  RadioBrowserService(Application* app, InternetModel* parent);
  ~RadioBrowserService() override{};

  enum ItemType {
    Type_Stream = 2000,
  };

  enum Type {
    Type_Category = InternetModel::TypeCount,
    Type_CategoryItem,
    Type_Top100,
  };

  enum Role {
    Role_ListUrl = InternetModel::RoleCount,
    Role_ItemsUrl,
  };

  struct Stream {
    QString name_;
    QUrl url_;
    QUrl favicon_;

    Song ToSong(const QString& prefix) const;
  };

  typedef QList<Stream> StreamList;

  static const char* kServiceName;
  static const char* kSettingsGroup;
  static const char* kSchemeName;
  static const char* defaultServer;

  QString url_scheme() const { return kSchemeName; }
  QIcon icon() const { return icon_; }
  QNetworkAccessManager* network() const { return network_; }

  QStandardItem* CreateRootItem() override;
  void ShowContextMenu(const QPoint& global_pos) override;

  PlaylistItem::Options playlistitem_options() const override;

  void Search(int search_id, const QString& query, const int limit);
  void ResolveStationUrl(const QUrl& original_url);

 signals:
  void SearchFinished(int search_id, RadioBrowserService::StreamList streams);
  void StationUrlResolveFailed(const QUrl& original_url);

 public slots:
  void ReloadSettings() override;
  void SongChangeRequestProcessed(const QUrl& url, bool valid);

 private slots:
  void LazyPopulate(QStandardItem* item) override;

  void RefreshRootItem();
  void RefreshCategory(QStandardItem* item);
  void RefreshCategoryItem(QStandardItem* item);
  void RefreshTop100(QStandardItem* item);
  void RefreshStreamsFinished(QNetworkReply* reply, int task_id,
                              QStandardItem* item);
  void Homepage();
  void ShowConfig() override;
  void AddToSavedRadio(bool checked);

 private:
  QMenu* GetContextMenu(QStandardItem* item);
  QMenu* GetStationMenu(QStandardItem* item);
  bool EnsureServerConfig();
  void LastRequestFailed();

 private:
  QStandardItem* root_;
  std::unique_ptr<QMenu> station_menu_;
  std::unique_ptr<QAction> add_to_saved_radio_action_;

  QNetworkAccessManager* network_;

  RadioBrowserUrlHandler* url_handler_;
  QString main_server_url_;
  const QUrl homepage_url_;
  const QIcon icon_;
};

#endif  // INTERNET_RADIOBROWSER_RADIOBROWSERSERVICE_H_