package net.minecraft.server.commands.data;

import com.mojang.brigadier.builder.ArgumentBuilder;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import java.util.Locale;
import java.util.function.Function;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.arguments.NbtPathArgument;
import net.minecraft.commands.arguments.coordinates.BlockPosArgument;
import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtUtils;
import net.minecraft.nbt.Tag;
import net.minecraft.network.chat.Component;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.state.BlockState;

public class BlockDataAccessor implements DataAccessor {
	static final SimpleCommandExceptionType ERROR_NOT_A_BLOCK_ENTITY = new SimpleCommandExceptionType(Component.translatable("commands.data.block.invalid"));
	public static final Function<String, DataCommands.DataProvider> PROVIDER = string -> new DataCommands.DataProvider() {
		@Override
		public DataAccessor access(CommandContext<CommandSourceStack> context) throws CommandSyntaxException {
			BlockPos blockPos = BlockPosArgument.getLoadedBlockPos(context, string + "Pos");
			BlockEntity blockEntity = context.getSource().getLevel().getBlockEntity(blockPos);
			if (blockEntity == null) {
				throw BlockDataAccessor.ERROR_NOT_A_BLOCK_ENTITY.create();
			} else {
				return new BlockDataAccessor(blockEntity, blockPos);
			}
		}

		@Override
		public ArgumentBuilder<CommandSourceStack, ?> wrap(
			ArgumentBuilder<CommandSourceStack, ?> builder, Function<ArgumentBuilder<CommandSourceStack, ?>, ArgumentBuilder<CommandSourceStack, ?>> action
		) {
			return builder.then(
				Commands.literal("block").then((ArgumentBuilder<CommandSourceStack, ?>)action.apply(Commands.argument(string + "Pos", BlockPosArgument.blockPos())))
			);
		}
	};
	private final BlockEntity entity;
	private final BlockPos pos;

	public BlockDataAccessor(BlockEntity entity, BlockPos pos) {
		this.entity = entity;
		this.pos = pos;
	}

	@Override
	public void setData(CompoundTag other) {
		BlockState blockState = this.entity.getLevel().getBlockState(this.pos);
		this.entity.loadWithComponents(other, this.entity.getLevel().registryAccess());
		this.entity.setChanged();
		this.entity.getLevel().sendBlockUpdated(this.pos, blockState, blockState, 3);
	}

	@Override
	public CompoundTag getData() {
		return this.entity.saveWithFullMetadata(this.entity.getLevel().registryAccess());
	}

	@Override
	public Component getModifiedSuccess() {
		return Component.translatable("commands.data.block.modified", this.pos.getX(), this.pos.getY(), this.pos.getZ());
	}

	@Override
	public Component getPrintSuccess(Tag nbt) {
		return Component.translatable("commands.data.block.query", this.pos.getX(), this.pos.getY(), this.pos.getZ(), NbtUtils.toPrettyComponent(nbt));
	}

	@Override
	public Component getPrintSuccess(NbtPathArgument.NbtPath path, double scale, int value) {
		return Component.translatable(
			"commands.data.block.get", path.asString(), this.pos.getX(), this.pos.getY(), this.pos.getZ(), String.format(Locale.ROOT, "%.2f", scale), value
		);
	}
}