package net.minecraft.client.resources.language;

import com.google.common.collect.Lists;
import com.ibm.icu.lang.UCharacter;
import com.ibm.icu.text.ArabicShaping;
import com.ibm.icu.text.Bidi;
import com.ibm.icu.text.BidiRun;
import java.util.List;
import net.minecraft.network.chat.FormattedText;
import net.minecraft.network.chat.SubStringSource;
import net.minecraft.util.FormattedCharSequence;

public class FormattedBidiReorder {
	public static FormattedCharSequence reorder(final FormattedText text, final boolean defaultRightToLeft) {
		SubStringSource source = SubStringSource.create(text, UCharacter::getMirror, FormattedBidiReorder::shape);
		Bidi bidi = new Bidi(source.getPlainText(), defaultRightToLeft ? 127 : 126);
		bidi.setReorderingMode(0);
		List<FormattedCharSequence> result = Lists.<FormattedCharSequence>newArrayList();
		int runCount = bidi.countRuns();

		for (int i = 0; i < runCount; i++) {
			BidiRun run = bidi.getVisualRun(i);
			result.addAll(source.substring(run.getStart(), run.getLength(), run.isOddRun()));
		}

		return FormattedCharSequence.composite(result);
	}

	private static String shape(final String text) {
		try {
			return new ArabicShaping(8).shape(text);
		} catch (Exception var2) {
			return text;
		}
	}
}