package squeek.appleskin.network;

import net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry;
import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
import net.minecraft.server.network.ServerPlayerEntity;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

public class SyncHandler
{
	public static void init()
	{
		PayloadTypeRegistry.playS2C().register(ExhaustionSyncPayload.ID, ExhaustionSyncPayload.CODEC);
		PayloadTypeRegistry.playS2C().register(SaturationSyncPayload.ID, SaturationSyncPayload.CODEC);
	}

	/*
	 * Sync saturation (vanilla MC only syncs when it hits 0)
	 * Sync exhaustion (vanilla MC does not sync it at all)
	 */
	private static final Map<UUID, Float> lastSaturationLevels = new HashMap<UUID, Float>();
	private static final Map<UUID, Float> lastExhaustionLevels = new HashMap<UUID, Float>();

	public static void onPlayerUpdate(ServerPlayerEntity player)
	{
		Float lastSaturationLevel = lastSaturationLevels.get(player.getUuid());
		Float lastExhaustionLevel = lastExhaustionLevels.get(player.getUuid());

		float saturation = player.getHungerManager().getSaturationLevel();
		if (lastSaturationLevel == null || lastSaturationLevel != saturation)
		{
			ServerPlayNetworking.send(player, new SaturationSyncPayload(saturation));
			lastSaturationLevels.put(player.getUuid(), saturation);
		}

		float exhaustionLevel = player.getHungerManager().getExhaustion();
		if (lastExhaustionLevel == null || Math.abs(lastExhaustionLevel - exhaustionLevel) >= 0.01f)
		{
			ServerPlayNetworking.send(player, new ExhaustionSyncPayload(exhaustionLevel));
			lastExhaustionLevels.put(player.getUuid(), exhaustionLevel);
		}
	}

	public static void onPlayerLoggedIn(ServerPlayerEntity player)
	{
		lastSaturationLevels.remove(player.getUuid());
		lastExhaustionLevels.remove(player.getUuid());
	}
}