package net.minecraft.server.players;

import java.util.List;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.player.Player;

public class SleepStatus {
	private int activePlayers;
	private int sleepingPlayers;

	public boolean areEnoughSleeping(int requiredSleepPercentage) {
		return this.sleepingPlayers >= this.sleepersNeeded(requiredSleepPercentage);
	}

	public boolean areEnoughDeepSleeping(int requiredSleepPercentage, List<ServerPlayer> sleepingPlayers) {
		int i = (int)sleepingPlayers.stream().filter(Player::isSleepingLongEnough).count();
		return i >= this.sleepersNeeded(requiredSleepPercentage);
	}

	public int sleepersNeeded(int requiredSleepPercentage) {
		return Math.max(1, Mth.ceil(this.activePlayers * requiredSleepPercentage / 100.0F));
	}

	public void removeAllSleepers() {
		this.sleepingPlayers = 0;
	}

	public int amountSleeping() {
		return this.sleepingPlayers;
	}

	public boolean update(List<ServerPlayer> players) {
		int i = this.activePlayers;
		int j = this.sleepingPlayers;
		this.activePlayers = 0;
		this.sleepingPlayers = 0;

		for (ServerPlayer serverPlayer : players) {
			if (!serverPlayer.isSpectator()) {
				this.activePlayers++;
				if (serverPlayer.isSleeping()) {
					this.sleepingPlayers++;
				}
			}
		}

		return (j > 0 || this.sleepingPlayers > 0) && (i != this.activePlayers || j != this.sleepingPlayers);
	}
}