package net.minecraft.network.play.server;

import java.io.IOException;
import net.minecraft.client.network.play.IClientPlayNetHandler;
import net.minecraft.network.IPacket;
import net.minecraft.network.PacketBuffer;
import net.minecraft.world.border.WorldBorder;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

public class SWorldBorderPacket implements IPacket<IClientPlayNetHandler> {
   private SWorldBorderPacket.Action action;
   private int size;
   private double centerX;
   private double centerZ;
   private double targetSize;
   private double diameter;
   private long timeUntilTarget;
   private int warningTime;
   private int warningDistance;

   public SWorldBorderPacket() {
   }

   public SWorldBorderPacket(WorldBorder border, SWorldBorderPacket.Action actionIn) {
      this.action = actionIn;
      this.centerX = border.getCenterX();
      this.centerZ = border.getCenterZ();
      this.diameter = border.getDiameter();
      this.targetSize = border.getTargetSize();
      this.timeUntilTarget = border.getTimeUntilTarget();
      this.size = border.getSize();
      this.warningDistance = border.getWarningDistance();
      this.warningTime = border.getWarningTime();
   }

   /**
    * Reads the raw packet data from the data stream.
    */
   public void readPacketData(PacketBuffer buf) throws IOException {
      this.action = buf.readEnumValue(SWorldBorderPacket.Action.class);
      switch(this.action) {
      case SET_SIZE:
         this.targetSize = buf.readDouble();
         break;
      case LERP_SIZE:
         this.diameter = buf.readDouble();
         this.targetSize = buf.readDouble();
         this.timeUntilTarget = buf.readVarLong();
         break;
      case SET_CENTER:
         this.centerX = buf.readDouble();
         this.centerZ = buf.readDouble();
         break;
      case SET_WARNING_BLOCKS:
         this.warningDistance = buf.readVarInt();
         break;
      case SET_WARNING_TIME:
         this.warningTime = buf.readVarInt();
         break;
      case INITIALIZE:
         this.centerX = buf.readDouble();
         this.centerZ = buf.readDouble();
         this.diameter = buf.readDouble();
         this.targetSize = buf.readDouble();
         this.timeUntilTarget = buf.readVarLong();
         this.size = buf.readVarInt();
         this.warningDistance = buf.readVarInt();
         this.warningTime = buf.readVarInt();
      }

   }

   /**
    * Writes the raw packet data to the data stream.
    */
   public void writePacketData(PacketBuffer buf) throws IOException {
      buf.writeEnumValue(this.action);
      switch(this.action) {
      case SET_SIZE:
         buf.writeDouble(this.targetSize);
         break;
      case LERP_SIZE:
         buf.writeDouble(this.diameter);
         buf.writeDouble(this.targetSize);
         buf.writeVarLong(this.timeUntilTarget);
         break;
      case SET_CENTER:
         buf.writeDouble(this.centerX);
         buf.writeDouble(this.centerZ);
         break;
      case SET_WARNING_BLOCKS:
         buf.writeVarInt(this.warningDistance);
         break;
      case SET_WARNING_TIME:
         buf.writeVarInt(this.warningTime);
         break;
      case INITIALIZE:
         buf.writeDouble(this.centerX);
         buf.writeDouble(this.centerZ);
         buf.writeDouble(this.diameter);
         buf.writeDouble(this.targetSize);
         buf.writeVarLong(this.timeUntilTarget);
         buf.writeVarInt(this.size);
         buf.writeVarInt(this.warningDistance);
         buf.writeVarInt(this.warningTime);
      }

   }

   public void processPacket(IClientPlayNetHandler handler) {
      handler.handleWorldBorder(this);
   }

   @OnlyIn(Dist.CLIENT)
   public void apply(WorldBorder border) {
      switch(this.action) {
      case SET_SIZE:
         border.setTransition(this.targetSize);
         break;
      case LERP_SIZE:
         border.setTransition(this.diameter, this.targetSize, this.timeUntilTarget);
         break;
      case SET_CENTER:
         border.setCenter(this.centerX, this.centerZ);
         break;
      case SET_WARNING_BLOCKS:
         border.setWarningDistance(this.warningDistance);
         break;
      case SET_WARNING_TIME:
         border.setWarningTime(this.warningTime);
         break;
      case INITIALIZE:
         border.setCenter(this.centerX, this.centerZ);
         if (this.timeUntilTarget > 0L) {
            border.setTransition(this.diameter, this.targetSize, this.timeUntilTarget);
         } else {
            border.setTransition(this.targetSize);
         }

         border.setSize(this.size);
         border.setWarningDistance(this.warningDistance);
         border.setWarningTime(this.warningTime);
      }

   }

   public static enum Action {
      SET_SIZE,
      LERP_SIZE,
      SET_CENTER,
      INITIALIZE,
      SET_WARNING_TIME,
      SET_WARNING_BLOCKS;
   }
}