package net.minecraft.server;

import com.mojang.brigadier.arguments.ArgumentType;
import com.mojang.brigadier.builder.LiteralArgumentBuilder;
import com.mojang.brigadier.builder.RequiredArgumentBuilder;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.tree.LiteralCommandNode;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.Set;
import javax.annotation.Nullable;
// CraftBukkit start
import org.bukkit.Location;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.event.entity.EntityTeleportEvent;
// CraftBukkit end

public class CommandTeleport {

    public static void a(com.mojang.brigadier.CommandDispatcher<CommandListenerWrapper> com_mojang_brigadier_commanddispatcher) {
        LiteralCommandNode<CommandListenerWrapper> literalcommandnode = com_mojang_brigadier_commanddispatcher.register((LiteralArgumentBuilder) ((LiteralArgumentBuilder) ((LiteralArgumentBuilder) ((LiteralArgumentBuilder) CommandDispatcher.a("teleport").requires((commandlistenerwrapper) -> {
            return commandlistenerwrapper.hasPermission(2);
        })).then(((RequiredArgumentBuilder) CommandDispatcher.a("targets", (ArgumentType) ArgumentEntity.multipleEntities()).then(((RequiredArgumentBuilder) ((RequiredArgumentBuilder) CommandDispatcher.a("location", (ArgumentType) ArgumentVec3.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), (IVectorPosition) null, (CommandTeleport.a) null);
        })).then(CommandDispatcher.a("rotation", (ArgumentType) ArgumentRotation.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), ArgumentRotation.a(commandcontext, "rotation"), (CommandTeleport.a) null);
        }))).then(((LiteralArgumentBuilder) CommandDispatcher.a("facing").then(CommandDispatcher.a("entity").then(((RequiredArgumentBuilder) CommandDispatcher.a("facingEntity", (ArgumentType) ArgumentEntity.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), (IVectorPosition) null, new CommandTeleport.a(ArgumentEntity.a(commandcontext, "facingEntity"), ArgumentAnchor.Anchor.FEET));
        })).then(CommandDispatcher.a("facingAnchor", (ArgumentType) ArgumentAnchor.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), (IVectorPosition) null, new CommandTeleport.a(ArgumentEntity.a(commandcontext, "facingEntity"), ArgumentAnchor.a(commandcontext, "facingAnchor")));
        }))))).then(CommandDispatcher.a("facingLocation", (ArgumentType) ArgumentVec3.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), (IVectorPosition) null, new CommandTeleport.a(ArgumentVec3.a(commandcontext, "facingLocation")));
        }))))).then(CommandDispatcher.a("destination", (ArgumentType) ArgumentEntity.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), ArgumentEntity.b(commandcontext, "targets"), ArgumentEntity.a(commandcontext, "destination"));
        })))).then(CommandDispatcher.a("location", (ArgumentType) ArgumentVec3.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), Collections.singleton(((CommandListenerWrapper) commandcontext.getSource()).g()), ((CommandListenerWrapper) commandcontext.getSource()).getWorld(), ArgumentVec3.b(commandcontext, "location"), VectorPosition.d(), (CommandTeleport.a) null);
        }))).then(CommandDispatcher.a("destination", (ArgumentType) ArgumentEntity.a()).executes((commandcontext) -> {
            return a((CommandListenerWrapper) commandcontext.getSource(), Collections.singleton(((CommandListenerWrapper) commandcontext.getSource()).g()), ArgumentEntity.a(commandcontext, "destination"));
        })));

        com_mojang_brigadier_commanddispatcher.register((LiteralArgumentBuilder) ((LiteralArgumentBuilder) CommandDispatcher.a("tp").requires((commandlistenerwrapper) -> {
            return commandlistenerwrapper.hasPermission(2);
        })).redirect(literalcommandnode));
    }

    private static int a(CommandListenerWrapper commandlistenerwrapper, Collection<? extends Entity> collection, Entity entity) {
        Iterator iterator = collection.iterator();

        while (iterator.hasNext()) {
            Entity entity1 = (Entity) iterator.next();

            a(commandlistenerwrapper, entity1, (WorldServer) entity.world, entity.locX(), entity.locY(), entity.locZ(), EnumSet.noneOf(PacketPlayOutPosition.EnumPlayerTeleportFlags.class), entity.yaw, entity.pitch, (CommandTeleport.a) null);
        }

        if (collection.size() == 1) {
            commandlistenerwrapper.sendMessage(new ChatMessage("commands.teleport.success.entity.single", new Object[]{((Entity) collection.iterator().next()).getScoreboardDisplayName(), entity.getScoreboardDisplayName()}), true);
        } else {
            commandlistenerwrapper.sendMessage(new ChatMessage("commands.teleport.success.entity.multiple", new Object[]{collection.size(), entity.getScoreboardDisplayName()}), true);
        }

        return collection.size();
    }

    private static int a(CommandListenerWrapper commandlistenerwrapper, Collection<? extends Entity> collection, WorldServer worldserver, IVectorPosition ivectorposition, @Nullable IVectorPosition ivectorposition1, @Nullable CommandTeleport.a commandteleport_a) throws CommandSyntaxException {
        Vec3D vec3d = ivectorposition.a(commandlistenerwrapper);
        Vec2F vec2f = ivectorposition1 == null ? null : ivectorposition1.b(commandlistenerwrapper);
        Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set = EnumSet.noneOf(PacketPlayOutPosition.EnumPlayerTeleportFlags.class);

        if (ivectorposition.a()) {
            set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.X);
        }

        if (ivectorposition.b()) {
            set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y);
        }

        if (ivectorposition.c()) {
            set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.Z);
        }

        if (ivectorposition1 == null) {
            set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.X_ROT);
            set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y_ROT);
        } else {
            if (ivectorposition1.a()) {
                set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.X_ROT);
            }

            if (ivectorposition1.b()) {
                set.add(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y_ROT);
            }
        }

        Iterator iterator = collection.iterator();

        while (iterator.hasNext()) {
            Entity entity = (Entity) iterator.next();

            if (ivectorposition1 == null) {
                a(commandlistenerwrapper, entity, worldserver, vec3d.x, vec3d.y, vec3d.z, set, entity.yaw, entity.pitch, commandteleport_a);
            } else {
                a(commandlistenerwrapper, entity, worldserver, vec3d.x, vec3d.y, vec3d.z, set, vec2f.j, vec2f.i, commandteleport_a);
            }
        }

        if (collection.size() == 1) {
            commandlistenerwrapper.sendMessage(new ChatMessage("commands.teleport.success.location.single", new Object[]{((Entity) collection.iterator().next()).getScoreboardDisplayName(), vec3d.x, vec3d.y, vec3d.z}), true);
        } else {
            commandlistenerwrapper.sendMessage(new ChatMessage("commands.teleport.success.location.multiple", new Object[]{collection.size(), vec3d.x, vec3d.y, vec3d.z}), true);
        }

        return collection.size();
    }

    private static void a(CommandListenerWrapper commandlistenerwrapper, Entity entity, WorldServer worldserver, double d0, double d1, double d2, Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set, float f, float f1, @Nullable CommandTeleport.a commandteleport_a) {
        if (entity instanceof EntityPlayer) {
            ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(new BlockPosition(d0, d1, d2));

            worldserver.getChunkProvider().addTicket(TicketType.POST_TELEPORT, chunkcoordintpair, 1, entity.getId());
            entity.stopRiding();
            if (((EntityPlayer) entity).isSleeping()) {
                ((EntityPlayer) entity).wakeup(true, true);
            }

            if (worldserver == entity.world) {
                ((EntityPlayer) entity).playerConnection.a(d0, d1, d2, f, f1, set, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.COMMAND); // CraftBukkit
            } else {
                ((EntityPlayer) entity).a(worldserver, d0, d1, d2, f, f1, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.COMMAND); // CraftBukkit
            }

            entity.setHeadRotation(f);
        } else {
            float f2 = MathHelper.g(f);
            float f3 = MathHelper.g(f1);

            f3 = MathHelper.a(f3, -90.0F, 90.0F);
            // CraftBukkit start - Teleport event
            Location to = new Location(worldserver.getWorld(), d0, d1, d2, f2, f3);
            EntityTeleportEvent event = new EntityTeleportEvent(entity.getBukkitEntity(), entity.getBukkitEntity().getLocation(), to);
            worldserver.getServer().getPluginManager().callEvent(event);
            if (event.isCancelled()) {
                return;
            }

            d0 = to.getX();
            d1 = to.getY();
            d2 = to.getZ();
            f2 = to.getYaw();
            f3 = to.getPitch();
            worldserver = ((CraftWorld) to.getWorld()).getHandle();
            // CraftBukkit end
            if (worldserver == entity.world) {
                entity.setPositionRotation(d0, d1, d2, f2, f3);
                entity.setHeadRotation(f2);
            } else {
                entity.decouple();
                entity.dimension = worldserver.worldProvider.getDimensionManager();
                Entity entity1 = entity;

                entity = entity.getEntityType().a((World) worldserver);
                if (entity == null) {
                    return;
                }

                entity.v(entity1);
                entity.setPositionRotation(d0, d1, d2, f2, f3);
                entity.setHeadRotation(f2);
                worldserver.addEntityTeleport(entity);
                entity1.dead = true;
            }
        }

        if (commandteleport_a != null) {
            commandteleport_a.a(commandlistenerwrapper, entity);
        }

        if (!(entity instanceof EntityLiving) || !((EntityLiving) entity).isGliding()) {
            entity.setMot(entity.getMot().d(1.0D, 0.0D, 1.0D));
            entity.onGround = true;
        }

    }

    static class a {

        private final Vec3D a;
        private final Entity b;
        private final ArgumentAnchor.Anchor c;

        public a(Entity entity, ArgumentAnchor.Anchor argumentanchor_anchor) {
            this.b = entity;
            this.c = argumentanchor_anchor;
            this.a = argumentanchor_anchor.a(entity);
        }

        public a(Vec3D vec3d) {
            this.b = null;
            this.a = vec3d;
            this.c = null;
        }

        public void a(CommandListenerWrapper commandlistenerwrapper, Entity entity) {
            if (this.b != null) {
                if (entity instanceof EntityPlayer) {
                    ((EntityPlayer) entity).a(commandlistenerwrapper.k(), this.b, this.c);
                } else {
                    entity.a(commandlistenerwrapper.k(), this.a);
                }
            } else {
                entity.a(commandlistenerwrapper.k(), this.a);
            }

        }
    }
}