/*
 * Minosoft
 * Copyright (C) 2020-2023 Moritz Zwerger
 *
 * 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 3 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. If not, see <https://www.gnu.org/licenses/>.
 *
 * This software is not affiliated with Mojang AB, the original developer of Minecraft.
 */
package de.bixilon.minosoft.protocol.packets.s2c.play.block

import de.bixilon.kotlinglm.vec3.Vec3i
import de.bixilon.kutil.json.JsonUtil.toJsonObject
import de.bixilon.minosoft.data.world.chunk.update.WorldUpdateEvent
import de.bixilon.minosoft.data.world.chunk.update.block.SingleBlockDataUpdate
import de.bixilon.minosoft.data.world.positions.ChunkPositionUtil.chunkPosition
import de.bixilon.minosoft.data.world.positions.ChunkPositionUtil.inChunkPosition
import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
import de.bixilon.minosoft.protocol.packets.factory.LoadPacket
import de.bixilon.minosoft.protocol.packets.s2c.PlayS2CPacket
import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_21W37A
import de.bixilon.minosoft.protocol.protocol.buffers.play.PlayInByteBuffer
import de.bixilon.minosoft.util.logging.Log
import de.bixilon.minosoft.util.logging.LogLevels
import de.bixilon.minosoft.util.logging.LogMessageType

@LoadPacket
class BlockDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
    val position: Vec3i = if (buffer.versionId < ProtocolVersions.V_14W03B) {
        buffer.readShortBlockPosition()
    } else {
        buffer.readBlockPosition()
    }
    val type = if (buffer.versionId >= V_21W37A) {
        buffer.readRegistryItem(buffer.connection.registries.blockEntityType).identifier
    } else {
        buffer.connection.registries.blockDataType.getOrNull(buffer.readUnsignedByte())?.identifier
    }
    val nbt = buffer.readNBT().toJsonObject()

    override fun handle(connection: PlayConnection) {
        if (nbt == null) return

        val chunk = connection.world.chunks[position.chunkPosition] ?: return
        val entity = chunk.getOrPutBlockEntity(position.inChunkPosition) ?: return
        entity.updateNBT(nbt)
        connection.events.fire(WorldUpdateEvent(connection, SingleBlockDataUpdate(position, chunk, entity)))
    }

    override fun log(reducedLog: Boolean) {
        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "Block data (position=$position, type=$type, nbt=$nbt)" }
    }
}
