/*
 * Copyright (C) 2008,2009,2012 Rolf Eike Beer <kde@opensource.sf-tec.de>
 */

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef KGPGDELUID_H
#define KGPGDELUID_H

#include "kgpguidtransaction.h"

#include "core/KGpgSignableNode.h"

#include <QList>
#include <QObject>

class KGpgKeyNode;

class KGpgDelUid: public KGpgUidTransaction {
	Q_OBJECT

	Q_DISABLE_COPY(KGpgDelUid)
	KGpgDelUid() = delete;
public:
	enum ts_deluid {
		TS_NO_SUCH_UID = KGpgTransaction::TS_COMMON_END + 1	///< user id does not exist
	};

	enum RemoveMode {
		RemoveAllOther = 0,	///< remove all other uids
		KeepUats = 1,		///< remove all other uids, but keep uats
		RemoveWithEmail = 2	///< remove only those other uids that have an email address
	};

	/**
	 * @brief constructor
	 * @param parent parent object
	 * @param uid user id to delete
	 */
	KGpgDelUid(QObject *parent, const KGpgSignableNode *uid);
	/**
	 * @brief constructor
	 * @param parent parent object
	 * @param uids user ids to delete
	 *
	 * All entries in uids must be children of the same keynode. The keynode itself
	 * may be part of the list, representing the primary user id. The nodes must be
	 * either the keynode itself, user id nodes, or user attribute nodes.
	 */
	KGpgDelUid(QObject *parent, const KGpgSignableNode::const_List &uids);
	/**
	 * @brief constructor
	 * @param parent parent object
	 * @param keynode key to edit
	 * @param uid uid to delete, negative to delete all others (see also removeMode)
	 * @param removeMode control which other uids are removed in case uid is negative
	 */
	KGpgDelUid(QObject *parent, const KGpgKeyNode *keynode, const int uid, const RemoveMode removeMode = RemoveAllOther);
	/**
	 * @brief destructor
	 */
    ~KGpgDelUid() override;

	/**
	 * @brief set the user id to be deleted
	 *
	 * This removes all previously set user ids from the list.
	 */
	void setUid(const KGpgSignableNode *uid);
	/**
	 * @brief set the user id to be deleted
	 *
	 * @overload
	 */
	void setUid(const KGpgKeyNode *keynode, const int uid, const RemoveMode removeMode = RemoveAllOther);
	/**
	 * @brief set the user ids to be deleted
	 *
	 * This removes all previously set user ids from the list.
	 */
	void setUids(const KGpgSignableNode::const_List &uids);

protected:
	bool preStart() override;
	bool nextLine(const QString &line) override;
	ts_boolanswer boolQuestion(const QString &line) override;
	void finish() override;

private:
	int m_fixargs;
	QList<const KGpgSignableNode *> m_uids;
};

#endif // KGPGDELUID_H
