package net.minecraft.util.parsing.packrat.commands;

import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import net.minecraft.util.parsing.packrat.DelayedException;
import net.minecraft.util.parsing.packrat.ParseState;
import net.minecraft.util.parsing.packrat.Rule;
import org.jspecify.annotations.Nullable;

public class UnquotedStringParseRule implements Rule<StringReader, String> {
	private final int minSize;
	private final DelayedException<CommandSyntaxException> error;

	public UnquotedStringParseRule(final int minSize, final DelayedException<CommandSyntaxException> error) {
		this.minSize = minSize;
		this.error = error;
	}

	@Nullable
	public String parse(final ParseState<StringReader> state) {
		state.input().skipWhitespace();
		int cursor = state.mark();
		String value = state.input().readUnquotedString();
		if (value.length() < this.minSize) {
			state.errorCollector().store(cursor, this.error);
			return null;
		} else {
			return value;
		}
	}
}