package net.minecraft.util.filefix;

import com.mojang.logging.LogUtils;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.List;
import java.util.stream.Stream;
import net.minecraft.util.FileUtil;
import org.slf4j.Logger;

public class FileFixUtil {
	private static final Logger LOGGER = LogUtils.getLogger();
	public static final String NAMESPACE_PATTERN = "([a-z0-9_.-]+)";

	public static void moveFile(final Path baseDirectory, final String from, final String to) throws IOException {
		Path fromAbsolute = baseDirectory.resolve(from);
		if (Files.exists(fromAbsolute)) {
			Path toAbsolute = baseDirectory.resolve(to);
			if (Files.exists(toAbsolute)) {
				LOGGER.warn("Target already exists, skipping move from {} to {}", from, to);
			} else {
				FileUtil.createDirectoriesSafe(toAbsolute.getParent());
				Files.move(fromAbsolute, toAbsolute, StandardCopyOption.COPY_ATTRIBUTES);
			}
		}
	}

	public static void deleteFileOrEmptyDirectory(final Path baseDirectory, final String file) throws IOException {
		Path toDelete = baseDirectory.resolve(file);
		if (Files.exists(toDelete)) {
			if (Files.isDirectory(toDelete)) {
				try {
					try (Stream<Path> paths = Files.list(toDelete)) {
						List<Path> files = paths.toList();
						if (files.size() == 1 && files.getFirst().getFileName().toString().equals(".DS_Store")) {
							LOGGER.debug("Attempting to delete DS_Store at '{}'", toDelete);
							if (!Files.deleteIfExists(files.getFirst())) {
								LOGGER.warn("Failed to delete file '{}' at '{}'", files.getFirst(), toDelete);
							}
						}
					}

					List var12;
					try (Stream<Path> paths = Files.list(toDelete)) {
						var12 = paths.toList();
					}

					if (!var12.isEmpty()) {
						LOGGER.warn("Failed to delete directory '{}', as it's not empty. Content: {}", toDelete, var12);
						return;
					}
				} catch (IOException e) {
					LOGGER.warn("Failed to delete directory '{}' because {}", toDelete, e.toString());
					return;
				}
			}

			Files.deleteIfExists(toDelete);
		}
	}
}