/*
 * This file is part of LanternServer, licensed under the MIT License (MIT).
 *
 * Copyright (c) LanternPowered <https://www.lanternpowered.org>
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the Software), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.lanternpowered.server.network.entity.vanilla;

import static org.lanternpowered.server.network.vanilla.message.codec.play.CodecUtils.wrapAngle;

import com.flowpowered.math.vector.Vector3d;
import org.lanternpowered.server.entity.LanternEntity;
import org.lanternpowered.server.network.entity.EntityProtocolUpdateContext;
import org.lanternpowered.server.network.entity.parameter.ParameterList;
import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayOutEntityMetadata;
import org.lanternpowered.server.network.vanilla.message.type.play.MessagePlayOutSpawnObject;

public abstract class ObjectEntityProtocol<E extends LanternEntity> extends EntityProtocol<E> {

    private int lastObjectData;

    public ObjectEntityProtocol(E entity) {
        super(entity);
    }

    protected abstract int getObjectType();

    protected abstract int getObjectData();

    @Override
    protected void spawn(EntityProtocolUpdateContext context) {
        final int entityId = this.getRootEntityId();

        final Vector3d rot = this.entity.getRotation();
        final Vector3d pos = this.entity.getPosition();
        final Vector3d vel = this.entity.getVelocity();

        double yaw = rot.getY();
        double pitch = rot.getX();

        context.sendToAllExceptSelf(() -> new MessagePlayOutSpawnObject(entityId, this.entity.getUniqueId(),
                this.getObjectType(), this.getObjectData(), pos, wrapAngle(yaw), wrapAngle(pitch), vel));
        final ParameterList parameterList = this.fillParameters(true);
        if (!parameterList.isEmpty()) {
            context.sendToAll(() -> new MessagePlayOutEntityMetadata(entityId, parameterList));
        }
    }

    @Override
    protected void update(EntityProtocolUpdateContext context) {
        final int objectData = this.getObjectData();
        if (this.lastObjectData != objectData) {
            this.spawn(context);
            super.update(EntityProtocolUpdateContext.empty());
            this.lastObjectData = objectData;
        } else {
            super.update(context);
        }
    }
}