package net.minecraft.server;

import com.mojang.authlib.GameProfileRepository;
import com.mojang.authlib.minecraft.MinecraftSessionService;
import com.mojang.authlib.yggdrasil.ServicesKeySet;
import com.mojang.authlib.yggdrasil.ServicesKeyType;
import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
import java.io.File;
import net.minecraft.server.players.CachedUserNameToIdResolver;
import net.minecraft.server.players.ProfileResolver;
import net.minecraft.server.players.UserNameToIdResolver;
import net.minecraft.util.SignatureValidator;
import org.jspecify.annotations.Nullable;

public record Services(
	MinecraftSessionService sessionService,
	ServicesKeySet servicesKeySet,
	GameProfileRepository profileRepository,
	UserNameToIdResolver nameToIdCache,
	ProfileResolver profileResolver
) {
	private static final String USERID_CACHE_FILE = "usercache.json";

	public static Services create(final YggdrasilAuthenticationService serviceAccess, final File nameCacheDir) {
		MinecraftSessionService sessionService = serviceAccess.createMinecraftSessionService();
		GameProfileRepository profileRepository = serviceAccess.createProfileRepository();
		UserNameToIdResolver profileCache = new CachedUserNameToIdResolver(profileRepository, new File(nameCacheDir, "usercache.json"));
		ProfileResolver profileResolver = new ProfileResolver.Cached(sessionService, profileCache);
		return new Services(sessionService, serviceAccess.getServicesKeySet(), profileRepository, profileCache, profileResolver);
	}

	@Nullable
	public SignatureValidator profileKeySignatureValidator() {
		return SignatureValidator.from(this.servicesKeySet, ServicesKeyType.PROFILE_KEY);
	}

	public boolean canValidateProfileKeys() {
		return !this.servicesKeySet.keys(ServicesKeyType.PROFILE_KEY).isEmpty();
	}
}