package net.minecraft.world.level.storage;

import com.mojang.serialization.Dynamic;
import com.mojang.serialization.OptionalDynamic;
import net.minecraft.SharedConstants;

public class LevelVersion {
	private final int levelDataVersion;
	private final long lastPlayed;
	private final String minecraftVersionName;
	private final DataVersion minecraftVersion;
	private final boolean snapshot;

	private LevelVersion(
		final int levelDataVersion, final long lastPlayed, final String minecraftVersionName, final int minecraftVersion, final String series, final boolean snapshot
	) {
		this.levelDataVersion = levelDataVersion;
		this.lastPlayed = lastPlayed;
		this.minecraftVersionName = minecraftVersionName;
		this.minecraftVersion = new DataVersion(minecraftVersion, series);
		this.snapshot = snapshot;
	}

	public static LevelVersion parse(final Dynamic<?> input) {
		int levelDataVersion = input.get("version").asInt(0);
		long lastPlayed = input.get("LastPlayed").asLong(0L);
		OptionalDynamic<?> version = input.get("Version");
		return version.result().isPresent()
			? new LevelVersion(
				levelDataVersion,
				lastPlayed,
				version.get("Name").asString(SharedConstants.getCurrentVersion().name()),
				version.get("Id").asInt(SharedConstants.getCurrentVersion().dataVersion().version()),
				version.get("Series").asString("main"),
				version.get("Snapshot").asBoolean(!SharedConstants.getCurrentVersion().stable())
			)
			: new LevelVersion(levelDataVersion, lastPlayed, "", 0, "main", false);
	}

	public int levelDataVersion() {
		return this.levelDataVersion;
	}

	public long lastPlayed() {
		return this.lastPlayed;
	}

	public String minecraftVersionName() {
		return this.minecraftVersionName;
	}

	public DataVersion minecraftVersion() {
		return this.minecraftVersion;
	}

	public boolean snapshot() {
		return this.snapshot;
	}
}