package net.minecraft.world.level.storage;

import com.mojang.serialization.Lifecycle;
import java.util.Locale;
import java.util.Set;
import java.util.UUID;
import net.minecraft.CrashReportCategory;
import net.minecraft.CrashReportDetail;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.world.Difficulty;
import net.minecraft.world.flag.FeatureFlagSet;
import net.minecraft.world.level.GameType;
import net.minecraft.world.level.LevelSettings;
import net.minecraft.world.level.WorldDataConfiguration;
import org.jspecify.annotations.Nullable;

public interface WorldData {
	int ANVIL_VERSION_ID = 19133;
	int MCREGION_VERSION_ID = 19132;

	WorldDataConfiguration getDataConfiguration();

	void setDataConfiguration(final WorldDataConfiguration dataConfiguration);

	boolean wasModded();

	Set<String> getKnownServerBrands();

	Set<String> getRemovedFeatureFlags();

	void setModdedInfo(final String serverBrand, final boolean isModded);

	default void fillCrashReportCategory(final CrashReportCategory category) {
		category.setDetail("Known server brands", (CrashReportDetail<String>)(() -> String.join(", ", this.getKnownServerBrands())));
		category.setDetail("Removed feature flags", (CrashReportDetail<String>)(() -> String.join(", ", this.getRemovedFeatureFlags())));
		category.setDetail("Level was modded", (CrashReportDetail<String>)(() -> Boolean.toString(this.wasModded())));
		category.setDetail("Level storage version", (CrashReportDetail<String>)(() -> {
			int version = this.getVersion();
			return String.format(Locale.ROOT, "0x%05X - %s", version, this.getStorageVersionName(version));
		}));
	}

	default String getStorageVersionName(final int version) {
		return switch (version) {
			case 19132 -> "McRegion";
			case 19133 -> "Anvil";
			default -> "Unknown?";
		};
	}

	ServerLevelData overworldData();

	LevelSettings getLevelSettings();

	CompoundTag createTag(@Nullable UUID singlePlayerUUID);

	boolean isHardcore();

	int getVersion();

	String getLevelName();

	GameType getGameType();

	void setGameType(GameType gameType);

	boolean isAllowCommands();

	Difficulty getDifficulty();

	void setDifficulty(final Difficulty difficulty);

	boolean isDifficultyLocked();

	void setDifficultyLocked(final boolean difficultyLocked);

	@Nullable
	UUID getSinglePlayerUUID();

	boolean isFlatWorld();

	boolean isDebugWorld();

	Lifecycle worldGenSettingsLifecycle();

	default FeatureFlagSet enabledFeatures() {
		return this.getDataConfiguration().enabledFeatures();
	}
}