package com.earth2me.essentials.commands;

import com.earth2me.essentials.ChargeException;
import com.earth2me.essentials.CommandSource;
import com.earth2me.essentials.User;
import com.earth2me.essentials.utils.FormatUtil;
import java.util.List;
import java.util.Locale;
import java.util.UUID;
import net.ess3.api.MaxMoneyException;
import org.bukkit.Server;
import org.bukkit.entity.Player;


public abstract class EssentialsLoopCommand extends EssentialsCommand
{
	public EssentialsLoopCommand(String command)
	{
		super(command);
	}

	protected void loopOfflinePlayers(final Server server, final CommandSource sender, final boolean multipleStringMatches, boolean matchWildcards, final String searchTerm, final String[] commandArgs)
			throws PlayerNotFoundException, NotEnoughArgumentsException, PlayerExemptException, ChargeException, MaxMoneyException
	{
		if (searchTerm.isEmpty())
		{
			throw new PlayerNotFoundException();
		}

		if (matchWildcards && searchTerm.contentEquals("**"))
		{
			for (UUID sUser : ess.getUserMap().getAllUniqueUsers())
			{
				final User matchedUser = ess.getUser(sUser);
				updatePlayer(server, sender, matchedUser, commandArgs);
			}
		}
		else if (matchWildcards && searchTerm.contentEquals("*"))
		{
			boolean skipHidden = sender.isPlayer() && !ess.getUser(sender.getPlayer()).canInteractVanished();
			for (User onlineUser : ess.getOnlineUsers())
			{
				if (skipHidden && onlineUser.isHidden(sender.getPlayer()) && !sender.getPlayer().canSee(onlineUser.getBase()))
				{
					continue;
				}
				updatePlayer(server, sender, onlineUser, commandArgs);
			}
		}
		else if (multipleStringMatches)
		{
			if (searchTerm.trim().length() < 3)
			{
				throw new PlayerNotFoundException();
			}
			final List<Player> matchedPlayers = server.matchPlayer(searchTerm);
			if (matchedPlayers.isEmpty())
			{
				final User matchedUser = getPlayer(server, searchTerm, true, true);
				updatePlayer(server, sender, matchedUser, commandArgs);
			}
			for (Player matchPlayer : matchedPlayers)
			{
				final User matchedUser = ess.getUser(matchPlayer);
				updatePlayer(server, sender, matchedUser, commandArgs);
			}
		}
		else
		{
			final User user = getPlayer(server, searchTerm, true, true);
			updatePlayer(server, sender, user, commandArgs);
		}
	}

	protected void loopOnlinePlayers(final Server server, final CommandSource sender, final boolean multipleStringMatches, boolean matchWildcards, final String searchTerm, final String[] commandArgs)
			throws PlayerNotFoundException, NotEnoughArgumentsException, PlayerExemptException, ChargeException, MaxMoneyException
	{
		if (searchTerm.isEmpty())
		{
			throw new PlayerNotFoundException();
		}

		boolean skipHidden = sender.isPlayer() && !ess.getUser(sender.getPlayer()).canInteractVanished();

		if (matchWildcards && (searchTerm.contentEquals("**") || searchTerm.contentEquals("*")))
		{
			for (User onlineUser : ess.getOnlineUsers())
			{
				if (skipHidden && onlineUser.isHidden(sender.getPlayer()) && !sender.getPlayer().canSee(onlineUser.getBase()))
				{
					continue;
				}
				updatePlayer(server, sender, onlineUser, commandArgs);
			}
		}
		else if (multipleStringMatches)
		{
			if (searchTerm.trim().length() < 2)
			{
				throw new PlayerNotFoundException();
			}
			boolean foundUser = false;
			final List<Player> matchedPlayers = server.matchPlayer(searchTerm);

			if (matchedPlayers.isEmpty())
			{
				final String matchText = searchTerm.toLowerCase(Locale.ENGLISH);
				for (User player : ess.getOnlineUsers())
				{
					if (skipHidden && player.isHidden(sender.getPlayer()) && !sender.getPlayer().canSee(player.getBase()))
					{
						continue;
					}
					final String displayName = FormatUtil.stripFormat(player.getDisplayName()).toLowerCase(Locale.ENGLISH);
					if (displayName.contains(matchText))
					{
						foundUser = true;
						updatePlayer(server, sender, player, commandArgs);
					}
				}
			}
			else
			{
				for (Player matchPlayer : matchedPlayers)
				{
					final User player = ess.getUser(matchPlayer);
					if (skipHidden && player.isHidden(sender.getPlayer()) && !sender.getPlayer().canSee(matchPlayer))
					{
						continue;
					}
					foundUser = true;
					updatePlayer(server, sender, player, commandArgs);
				}
			}
			if (!foundUser)
			{
				throw new PlayerNotFoundException();
			}
		}
		else
		{
			final User player = getPlayer(server, sender, searchTerm);
			updatePlayer(server, sender, player, commandArgs);
		}
	}

	protected abstract void updatePlayer(Server server, CommandSource sender, User user, String[] args)
			throws NotEnoughArgumentsException, PlayerExemptException, ChargeException, MaxMoneyException;
}