/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.StringTokenizer;
import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.LoginServerThread;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2Clan;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;

/**
 * This class handles following admin commands:
 * - handles every admin menu command
 *
 * @version $Revision: 1.3.2.6.2.4 $ $Date: 2005/04/11 10:06:06 $
 */
public class AdminMenu implements IAdminCommandHandler
{
	private static final Logger _log = Logger.getLogger(AdminMenu.class.getName());
	
	private static final String[] ADMIN_COMMANDS =
	{
		"admin_char_manage",
		"admin_teleport_character_to_menu",
		"admin_recall_char_menu",
		"admin_recall_party_menu",
		"admin_recall_clan_menu",
		"admin_goto_char_menu",
		"admin_kick_menu",
		"admin_kill_menu",
		"admin_ban_menu",
		"admin_unban_menu"
	};
	
	public boolean useAdminCommand(String command, L2PcInstance activeChar)
	{
		if (command.equals("admin_char_manage"))
			showMainPage(activeChar);
		else if (command.startsWith("admin_teleport_character_to_menu"))
		{
			String[] data = command.split(" ");
			if (data.length == 5)
			{
				String playerName = data[1];
				L2PcInstance player = L2World.getInstance().getPlayer(playerName);
				if (player != null)
					teleportCharacter(player, Integer.parseInt(data[2]), Integer.parseInt(data[3]), Integer.parseInt(data[4]), activeChar, "Admin is teleporting you.");
			}
			showMainPage(activeChar);
		}
		else if (command.startsWith("admin_recall_char_menu"))
		{
			try
			{
				String targetName = command.substring(23);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
				teleportCharacter(player, activeChar.getX(), activeChar.getY(), activeChar.getZ(), activeChar, "Admin is teleporting you.");
			}
			catch (StringIndexOutOfBoundsException e)
			{
			}
		}
		else if (command.startsWith("admin_recall_party_menu"))
		{
			int x = activeChar.getX(), y = activeChar.getY(), z = activeChar.getZ();
			try
			{
				String targetName = command.substring(24);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
				if (player == null)
				{
					activeChar.sendPacket(new SystemMessage(SystemMessageId.INCORRECT_TARGET));
					return true;
				}
				if (!player.isInParty())
				{
					activeChar.sendMessage("Player is not in party.");
					teleportCharacter(player, x, y, z, activeChar, "Admin is teleporting you.");
					return true;
				}
				for (L2PcInstance pm : player.getParty().getPartyMembers())
					teleportCharacter(pm, x, y, z, activeChar, "Your party is being teleported by an Admin.");
			}
			catch (Exception e)
			{
			}
		}
		else if (command.startsWith("admin_recall_clan_menu"))
		{
			int x = activeChar.getX(), y = activeChar.getY(), z = activeChar.getZ();
			try
			{
				String targetName = command.substring(23);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
				if (player == null)
				{
					activeChar.sendPacket(new SystemMessage(SystemMessageId.INCORRECT_TARGET));
					return true;
				}
				L2Clan clan = player.getClan();
				if (clan == null)
				{
					activeChar.sendMessage("Player is not in a clan.");
					teleportCharacter(player, x, y, z, activeChar, "Admin is teleporting you.");
					return true;
				}
				L2PcInstance[] members = clan.getOnlineMembers(0);
				for (int i = 0; i < members.length; i++)
					teleportCharacter(members[i], x, y, z, activeChar, "Your clan is being teleported by an Admin.");
			}
			catch (Exception e)
			{
			}
		}
		else if (command.startsWith("admin_goto_char_menu"))
		{
			try
			{
				String targetName = command.substring(21);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
				teleportToCharacter(activeChar, player);
			}
			catch (StringIndexOutOfBoundsException e)
			{
			}
		}
		else if (command.equals("admin_kill_menu"))
		{
			handleKill(activeChar);
		}
		else if (command.startsWith("admin_kick_menu"))
		{
			StringTokenizer st = new StringTokenizer(command);
			if (st.countTokens() > 1)
			{
				st.nextToken();
				String player = st.nextToken();
				L2PcInstance plyr = L2World.getInstance().getPlayer(player);
				String text;
				if (plyr != null)
				{
					plyr.logout();
					text = "You kicked " + plyr.getName() + " from the game.";
				}
				else
					text = "Player " + player + " was not found in the game.";
				activeChar.sendMessage(text);
			}
			showMainPage(activeChar);
		}
		else if (command.startsWith("admin_ban_menu"))
		{
			StringTokenizer st = new StringTokenizer(command);
			if (st.countTokens() > 1)
			{
				st.nextToken();
				String player = st.nextToken();
				L2PcInstance plyr = L2World.getInstance().getPlayer(player);
				if (plyr != null)
				{
					plyr.logout();
				}
				setAccountAccessLevel(player, activeChar, -100);
			}
			showMainPage(activeChar);
		}
		else if (command.startsWith("admin_unban_menu"))
		{
			StringTokenizer st = new StringTokenizer(command);
			if (st.countTokens() > 1)
			{
				st.nextToken();
				String player = st.nextToken();
				setAccountAccessLevel(player, activeChar, 0);
			}
			showMainPage(activeChar);
		}
		return true;
	}
	
	public String[] getAdminCommandList()
	{
		return ADMIN_COMMANDS;
	}
	
	private void handleKill(L2PcInstance activeChar)
	{
		handleKill(activeChar, null);
	}
	
	private void handleKill(L2PcInstance activeChar, String player)
	{
		L2Object obj = activeChar.getTarget();
		L2Character target = (L2Character) obj;
		String filename = "main_menu.htm";
		if (player != null)
		{
			L2PcInstance plyr = L2World.getInstance().getPlayer(player);
			if (plyr != null)
				target = plyr;
			activeChar.sendMessage("You killed " + plyr.getName());
		}
		if (target != null)
		{
			if (target instanceof L2PcInstance)
			{
				target.reduceCurrentHp(target.getMaxHp() + target.getMaxCp() + 1, activeChar);
				filename = "charmanage.htm";
			}
			else if (Config.L2JMOD_CHAMPION_ENABLE && target.isChampion())
				target.reduceCurrentHp(target.getMaxHp() * Config.L2JMOD_CHAMPION_HP + 1, activeChar);
			else
				target.reduceCurrentHp(target.getMaxHp() + 1, activeChar);
		}
		else
		{
			activeChar.sendPacket(new SystemMessage(SystemMessageId.INCORRECT_TARGET));
		}
		AdminHelpPage.showHelpPage(activeChar, filename);
	}
	
	private void teleportCharacter(L2PcInstance player, int x, int y, int z, L2PcInstance activeChar, String message)
	{
		if (player != null)
		{
			player.sendMessage(message);
			player.teleToLocation(x, y, z, true);
		}
		showMainPage(activeChar);
	}
	
	private void teleportToCharacter(L2PcInstance activeChar, L2Object target)
	{
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else
		{
			activeChar.sendPacket(new SystemMessage(SystemMessageId.INCORRECT_TARGET));
			return;
		}
		if (player.getObjectId() == activeChar.getObjectId())
			player.sendPacket(new SystemMessage(SystemMessageId.CANNOT_USE_ON_YOURSELF));
		else
		{
			activeChar.teleToLocation(player.getX(), player.getY(), player.getZ(), true);
			activeChar.sendMessage("You're teleporting yourself to character " + player.getName());
		}
		showMainPage(activeChar);
	}
	
	/**
	 * @param activeChar
	 */
	private void showMainPage(L2PcInstance activeChar)
	{
		AdminHelpPage.showHelpPage(activeChar, "charmanage.htm");
	}
	
	private void setAccountAccessLevel(String player, L2PcInstance activeChar, int banLevel)
	{
		java.sql.Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			String stmt = "SELECT account_name FROM characters WHERE char_name = ?";
			PreparedStatement statement = con.prepareStatement(stmt);
			statement.setString(1, player);
			ResultSet result = statement.executeQuery();
			if (result.next())
			{
				String acc_name = result.getString(1);
				String text;
				if (acc_name.length() > 0)
				{
					LoginServerThread.getInstance().sendAccessLevel(acc_name, banLevel);
					text = "Account Access Level for " + player + " set to " + banLevel + ".";
				}
				else
					text = "Couldn't find player: " + player + ".";
				activeChar.sendMessage(text);
			}
			else
				activeChar.sendMessage("Specified player name didn't lead to a valid account.");
			statement.close();
		}
		catch (Exception e)
		{
			_log.warning("Could not set accessLevel:" + e);
			if (Config.DEBUG)
				e.printStackTrace();
		}
		finally
		{
			try
			{
				con.close();
			}
			catch (Exception e)
			{
			}
		}
	}
}