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/*
 * Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.dv8tion.jda.internal.handle;

import net.dv8tion.jda.api.events.guild.member.GuildMemberJoinEvent;
import net.dv8tion.jda.api.utils.data.DataObject;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.entities.GuildImpl;
import net.dv8tion.jda.internal.entities.MemberImpl;

public class GuildMemberAddHandler extends SocketHandler
{

    public GuildMemberAddHandler(JDAImpl api)
    {
        super(api);
    }

    @Override
    protected Long handleInternally(DataObject content)
    {
        final long id = content.getLong("guild_id");
        boolean setup = getJDA().getGuildSetupController().onAddMember(id, content);
        if (setup)
            return null;

        GuildImpl guild = (GuildImpl) getJDA().getGuildById(id);
        if (guild == null)
        {
            getJDA().getEventCache().cache(EventCache.Type.GUILD, id, responseNumber, allContent, this::handle);
            EventCache.LOG.debug("Caching member for guild that is not yet cached. Guild ID: {} JSON: {}", id, content);
            return null;
        }

        // Update memberCount
        guild.onMemberAdd();
        MemberImpl member = getJDA().getEntityBuilder().createMember(guild, content);
        getJDA().getEntityBuilder().updateMemberCache(member);
        getJDA().handleEvent(
            new GuildMemberJoinEvent(
                getJDA(), responseNumber,
                member));
        return null;
    }
}