/*
 * BuiltinDirectoryPlugin.h - declaration of BuiltinDirectoryPlugin class
 *
 * Copyright (c) 2017-2021 Tobias Junghans <tobydox@veyon.io>
 *
 * This file is part of Veyon - https://veyon.io
 *
 * 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 2 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#pragma once

#include "CommandLinePluginInterface.h"
#include "CommandLineIO.h"
#include "ConfigurationPagePluginInterface.h"
#include "BuiltinDirectoryConfiguration.h"
#include "NetworkObject.h"
#include "NetworkObjectDirectoryPluginInterface.h"

class QFile;

class BuiltinDirectoryPlugin : public QObject,
		PluginInterface,
		NetworkObjectDirectoryPluginInterface,
		ConfigurationPagePluginInterface,
		CommandLinePluginInterface,
		CommandLineIO
{
	Q_OBJECT
	Q_PLUGIN_METADATA(IID "io.veyon.Veyon.Plugins.BuiltinDirectory")
	Q_INTERFACES(PluginInterface
				 NetworkObjectDirectoryPluginInterface
				 ConfigurationPagePluginInterface
				 CommandLinePluginInterface)
public:
	explicit BuiltinDirectoryPlugin( QObject* paren = nullptr );
	~BuiltinDirectoryPlugin() override = default;

	Plugin::Uid uid() const override
	{
		return QStringLiteral("14bacaaa-ebe5-449c-b881-5b382f952571");
	}

	QVersionNumber version() const override
	{
		return QVersionNumber( 1, 1 );
	}

	QString name() const override
	{
		return QStringLiteral( "BuiltinDirectory" );
	}

	QString description() const override
	{
		return tr( "Network object directory which stores objects in local configuration" );
	}

	QString vendor() const override
	{
		return QStringLiteral( "Veyon Community" );
	}

	QString copyright() const override
	{
		return QStringLiteral( "Tobias Junghans" );
	}

	Plugin::Flags flags() const override
	{
		return Plugin::ProvidesDefaultImplementation;
	}

	void upgrade( const QVersionNumber& oldVersion ) override;

	QString directoryName() const override
	{
		return tr( "Builtin (computers and locations in local configuration)" );
	}

	NetworkObjectDirectory* createNetworkObjectDirectory( QObject* parent ) override;

	ConfigurationPage* createConfigurationPage() override;

	QString commandLineModuleName() const override
	{
		return QStringLiteral( "networkobjects" );
	}

	QString commandLineModuleHelp() const override
	{
		return tr( "Commands for managing the builtin network object directory" );
	}

	QStringList commands() const override;
	QString commandHelp( const QString& command ) const override;

public Q_SLOTS:
	CommandLinePluginInterface::RunResult handle_help( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_add( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_clear( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_dump( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_list( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_remove( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_import( const QStringList& arguments );
	CommandLinePluginInterface::RunResult handle_export( const QStringList& arguments );

private:
	void listObjects( const QJsonArray& objects, const NetworkObject& parent );
	static QStringList dumpNetworkObject( const NetworkObject& object );
	static QString listNetworkObject( const NetworkObject& object );
	static QString networkObjectTypeName( const NetworkObject& object );
	static NetworkObject::Type parseNetworkObjectType( const QString& typeName );

	CommandLinePluginInterface::RunResult saveConfiguration();

	bool importFile( QFile& inputFile, const QString& regExWithVariables, const QString& location );
	bool exportFile( QFile& outputFile, const QString& formatString, const QString& location );

	NetworkObject findNetworkObject( const QString& uidOrName ) const;

	static NetworkObject toNetworkObject( const QString& line, const QString& regExWithVariables, QString& location );
	static QString toFormattedString( const NetworkObject& networkObject, const QString& formatString, const QString& location );

	static QStringList importExportPlaceholders();

	static QString typeNameLocation()
	{
		return tr( "Location" );
	}

	static QString typeNameComputer()
	{
		return tr( "Computer" );
	}

	static QString typeNameRoot()
	{
		return tr( "Root" );
	}

	static QString importCommand()
	{
		return QStringLiteral("import");
	}

	static QString exportCommand()
	{
		return QStringLiteral("export");
	}

	static QString addCommand()
	{
		return QStringLiteral("add");
	}

	static QString removeCommand()
	{
		return QStringLiteral("remove");
	}

	static QString locationArgument()
	{
		return QStringLiteral("location");
	}

	static QString formatArgument()
	{
		return QStringLiteral("format");
	}

	static QString regexArgument()
	{
		return QStringLiteral("regex");
	}

	static QString typeLocation()
	{
		return QStringLiteral("location");
	}

	static QString typeComputer()
	{
		return QStringLiteral("computer");
	}

	static QString exampleRoom()
	{
		return tr( "\"Room 01\"" );
	}

	static QString exampleComputer()
	{
		return tr( "\"Computer 01\"" );
	}

	BuiltinDirectoryConfiguration m_configuration;
	QMap<QString, QString> m_commands;

};