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/******************************************************************************
 * Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 */

#pragma once

#include "eventcontent.h"
#include "stateevent.h"

namespace QMatrixClient
{
class MemberEventContent : public EventContent::Base
{
public:
    enum MembershipType : size_t
    {
        Invite = 0,
        Join,
        Knock,
        Leave,
        Ban,
        Undefined
    };

    explicit MemberEventContent(MembershipType mt = Join)
        : membership(mt)
    {}
    explicit MemberEventContent(const QJsonObject& json);

    MembershipType membership;
    bool isDirect = false;
    QString displayName;
    QUrl avatarUrl;

protected:
    void fillJson(QJsonObject* o) const override;
};

using MembershipType = MemberEventContent::MembershipType;

class RoomMemberEvent : public StateEvent<MemberEventContent>
{
    Q_GADGET
public:
    DEFINE_EVENT_TYPEID("m.room.member", RoomMemberEvent)

    using MembershipType = MemberEventContent::MembershipType;

    explicit RoomMemberEvent(const QJsonObject& obj)
        : StateEvent(typeId(), obj)
    {}
    [[deprecated("Use RoomMemberEvent(userId, contentArgs) "
                 "instead")]] RoomMemberEvent(MemberEventContent&& c)
        : StateEvent(typeId(), matrixTypeId(), QString(), c)
    {}
    template <typename... ArgTs>
    RoomMemberEvent(const QString& userId, ArgTs&&... contentArgs)
        : StateEvent(typeId(), matrixTypeId(), userId,
                     std::forward<ArgTs>(contentArgs)...)
    {}

    /// A special constructor to create unknown RoomMemberEvents
    /**
     * This is needed in order to use RoomMemberEvent as a "base event
     * class" in cases like GetMembersByRoomJob when RoomMemberEvents
     * (rather than RoomEvents or StateEvents) are resolved from JSON.
     * For such cases loadEvent<> requires an underlying class to be
     * constructible with unknownTypeId() instead of its genuine id.
     * Don't use it directly.
     * \sa GetMembersByRoomJob, loadEvent, unknownTypeId
     */
    RoomMemberEvent(Type type, const QJsonObject& fullJson)
        : StateEvent(type, fullJson)
    {}

    MembershipType membership() const { return content().membership; }
    QString userId() const { return fullJson()[StateKeyKeyL].toString(); }
    bool isDirect() const { return content().isDirect; }
    QString displayName() const { return content().displayName; }
    QUrl avatarUrl() const { return content().avatarUrl; }
    bool isInvite() const;
    bool isJoin() const;
    bool isLeave() const;
    bool isRename() const;
    bool isAvatarUpdate() const;

private:
    REGISTER_ENUM(MembershipType)
};

template <>
class EventFactory<RoomMemberEvent>
{
public:
    static event_ptr_tt<RoomMemberEvent> make(const QJsonObject& json,
                                              const QString&)
    {
        return makeEvent<RoomMemberEvent>(json);
    }
};

REGISTER_EVENT_TYPE(RoomMemberEvent)
DEFINE_EVENTTYPE_ALIAS(RoomMember, RoomMemberEvent)
} // namespace QMatrixClient