package net.minecraft.server.commands;

import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import java.util.Collection;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.SharedSuggestionProvider;
import net.minecraft.commands.arguments.GameProfileArgument;
import net.minecraft.network.chat.Component;
import net.minecraft.server.players.NameAndId;
import net.minecraft.server.players.UserBanList;

public class PardonCommand {
	private static final SimpleCommandExceptionType ERROR_NOT_BANNED = new SimpleCommandExceptionType(Component.translatable("commands.pardon.failed"));

	public static void register(final CommandDispatcher<CommandSourceStack> dispatcher) {
		dispatcher.register(
			Commands.literal("pardon")
				.requires(Commands.hasPermission(Commands.LEVEL_ADMINS))
				.then(
					Commands.argument("targets", GameProfileArgument.gameProfile())
						.suggests((c, p) -> SharedSuggestionProvider.suggest(c.getSource().getServer().getPlayerList().getBans().getUserList(), p))
						.executes(c -> pardonPlayers(c.getSource(), GameProfileArgument.getGameProfiles(c, "targets")))
				)
		);
	}

	private static int pardonPlayers(final CommandSourceStack source, final Collection<NameAndId> players) throws CommandSyntaxException {
		UserBanList list = source.getServer().getPlayerList().getBans();
		int count = 0;

		for (NameAndId player : players) {
			if (list.isBanned(player)) {
				list.remove(player);
				count++;
				source.sendSuccess(() -> Component.translatable("commands.pardon.success", Component.literal(player.name())), true);
			}
		}

		if (count == 0) {
			throw ERROR_NOT_BANNED.create();
		} else {
			return count;
		}
	}
}