/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GUI_REMOTEBROWSER_DIALOG_H
#define GUI_REMOTEBROWSER_DIALOG_H

#include "gui/dialog.h"
#include "common/fs.h"
#include "backends/cloud/storagefile.h"
#include "backends/networking/curl/request.h"
#include "backends/cloud/storage.h"

namespace GUI {

class ListWidget;
class StaticTextWidget;
class CheckboxWidget;
class CommandSender;

class RemoteBrowserDialog : public Dialog {
public:
	RemoteBrowserDialog(const Common::U32String &title);
	~RemoteBrowserDialog() override;

	void open() override;
	void close() override;
	void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
	void handleTickle() override;

	const Cloud::StorageFile	&getResult() { return _choice; }

protected:
	ListWidget		*_fileList;
	StaticTextWidget	*_currentPath;
	Cloud::StorageFile _node, _backupNode;
	Common::Array<Cloud::StorageFile> _nodeContent;
	Common::HashMap<Common::String, Common::Array<Cloud::StorageFile> > _rememberedNodeContents;
	Cloud::StorageFile _choice;
	bool _navigationLocked;
	bool _updateList;
	bool _showError;

	Networking::Request *_workingRequest;
	bool _ignoreCallback;

	void updateListing();
	void goUp();
	void listDirectory(const Cloud::StorageFile &node);
	void directoryListedCallback(Cloud::Storage::ListDirectoryResponse response);
	void directoryListedErrorCallback(Networking::ErrorResponse error);

	struct FileListOrder : public Common::BinaryFunction<Cloud::StorageFile, Cloud::StorageFile, bool> {
		bool operator()(const Cloud::StorageFile &x, const Cloud::StorageFile &y) const {
			if (x.isDirectory() != y.isDirectory()) {
				return x.isDirectory(); //x < y (directory < not directory) or x > y (not directory > directory)
			}

			return x.name() < y.name();
		}
	};
};

} // End of namespace GUI

#endif