package net.minecraft.nbt;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

public record LongTag(long value) implements NumericTag {
	private static final int SELF_SIZE_IN_BYTES = 16;
	public static final TagType<LongTag> TYPE = new TagType.StaticSize<LongTag>() {
		public LongTag load(final DataInput input, final NbtAccounter accounter) throws IOException {
			return LongTag.valueOf(readAccounted(input, accounter));
		}

		@Override
		public StreamTagVisitor.ValueResult parse(final DataInput input, final StreamTagVisitor output, final NbtAccounter accounter) throws IOException {
			return output.visit(readAccounted(input, accounter));
		}

		private static long readAccounted(final DataInput input, final NbtAccounter accounter) throws IOException {
			accounter.accountBytes(16L);
			return input.readLong();
		}

		@Override
		public int size() {
			return 8;
		}

		@Override
		public String getName() {
			return "LONG";
		}

		@Override
		public String getPrettyName() {
			return "TAG_Long";
		}
	};

	@Deprecated(
		forRemoval = true
	)
	public LongTag(long value) {
		this.value = value;
	}

	public static LongTag valueOf(final long i) {
		return i >= -128L && i <= 1024L ? LongTag.Cache.cache[(int)i - -128] : new LongTag(i);
	}

	@Override
	public void write(final DataOutput output) throws IOException {
		output.writeLong(this.value);
	}

	@Override
	public int sizeInBytes() {
		return 16;
	}

	@Override
	public byte getId() {
		return 4;
	}

	@Override
	public TagType<LongTag> getType() {
		return TYPE;
	}

	public LongTag copy() {
		return this;
	}

	@Override
	public void accept(final TagVisitor visitor) {
		visitor.visitLong(this);
	}

	@Override
	public long longValue() {
		return this.value;
	}

	@Override
	public int intValue() {
		return (int)(this.value & -1L);
	}

	@Override
	public short shortValue() {
		return (short)(this.value & 65535L);
	}

	@Override
	public byte byteValue() {
		return (byte)(this.value & 255L);
	}

	@Override
	public double doubleValue() {
		return this.value;
	}

	@Override
	public float floatValue() {
		return (float)this.value;
	}

	@Override
	public Number box() {
		return this.value;
	}

	@Override
	public StreamTagVisitor.ValueResult accept(final StreamTagVisitor visitor) {
		return visitor.visit(this.value);
	}

	@Override
	public String toString() {
		StringTagVisitor visitor = new StringTagVisitor();
		visitor.visitLong(this);
		return visitor.build();
	}

	private static class Cache {
		private static final int HIGH = 1024;
		private static final int LOW = -128;
		private static final LongTag[] cache = new LongTag[1153];

		static {
			for (int i = 0; i < cache.length; i++) {
				cache[i] = new LongTag(-128 + i);
			}
		}
	}
}