package net.minecraft.server.commands;

import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.context.CommandContext;
import java.util.List;
import java.util.function.Function;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.ComponentUtils;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.server.players.PlayerList;
import net.minecraft.world.entity.player.Player;

public class ListPlayersCommand {
    public static void register(CommandDispatcher<CommandSourceStack> p_137821_) {
        p_137821_.register(
            Commands.literal("list")
                .executes(p_137830_ -> listPlayers(p_137830_.getSource()))
                .then(Commands.literal("uuids").executes(p_137823_ -> listPlayersWithUuids(p_137823_.getSource())))
        );
    }

    private static int listPlayers(CommandSourceStack p_137825_) {
        return format(p_137825_, Player::getDisplayName);
    }

    private static int listPlayersWithUuids(CommandSourceStack p_137832_) {
        return format(
            p_137832_, p_390059_ -> Component.translatable("commands.list.nameAndId", p_390059_.getName(), Component.translationArg(p_390059_.getGameProfile().getId()))
        );
    }

    private static int format(CommandSourceStack p_137827_, Function<ServerPlayer, Component> p_137828_) {
        PlayerList playerlist = p_137827_.getServer().getPlayerList();
        List<ServerPlayer> list = playerlist.getPlayers();
        Component component = ComponentUtils.formatList(list, p_137828_);
        p_137827_.sendSuccess(() -> Component.translatable("commands.list.players", list.size(), playerlist.getMaxPlayers(), component), false);
        return list.size();
    }
}