/*
 * 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 handlers.admincommandhandlers;

import java.util.List;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.l2jserver.Config;
import com.l2jserver.gameserver.GmListTable;
import com.l2jserver.gameserver.SevenSigns;
import com.l2jserver.gameserver.datatables.NpcTable;
import com.l2jserver.gameserver.datatables.SpawnTable;
import com.l2jserver.gameserver.datatables.TeleportLocationTable;
import com.l2jserver.gameserver.handler.IAdminCommandHandler;
import com.l2jserver.gameserver.instancemanager.DayNightSpawnManager;
import com.l2jserver.gameserver.instancemanager.InstanceManager;
import com.l2jserver.gameserver.instancemanager.QuestManager;
import com.l2jserver.gameserver.instancemanager.RaidBossSpawnManager;
import com.l2jserver.gameserver.model.AutoChatHandler;
import com.l2jserver.gameserver.model.AutoSpawnHandler;
import com.l2jserver.gameserver.model.L2Object;
import com.l2jserver.gameserver.model.L2Spawn;
import com.l2jserver.gameserver.model.L2World;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.actor.templates.L2NpcTemplate;
import com.l2jserver.gameserver.model.entity.Instance;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.NpcHtmlMessage;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.util.Broadcast;
import com.l2jserver.util.StringUtil;

/**
 * This class handles following admin commands: - show_spawns = shows menu -
 * spawn_index lvl = shows menu for monsters with respective level -
 * spawn_monster id = spawns monster id on target
 *
 * @version $Revision: 1.2.2.5.2.5 $ $Date: 2005/04/11 10:06:06 $
 */
public class AdminSpawn implements IAdminCommandHandler
{
	private static final Logger _log = Logger.getLogger(AdminSpawn.class.getName());
	
	private static final String[] ADMIN_COMMANDS =
	{
		"admin_show_spawns",
		"admin_spawn",
		"admin_spawn_monster",
		"admin_spawn_index",
		"admin_unspawnall",
		"admin_respawnall",
		"admin_spawn_reload",
		"admin_npc_index",
		"admin_spawn_once",
		"admin_show_npcs",
		"admin_teleport_reload",
		"admin_spawnnight",
		"admin_spawnday",
		"admin_instance_spawns",
		"admin_list_spawns",
		"admin_list_positions",
		"admin_spawn_debug_menu",
		"admin_spawn_debug_print",
		"admin_spawn_debug_print_menu"
	};
	
	@Override
	public boolean useAdminCommand(String command, L2PcInstance activeChar)
	{
		if (command.equals("admin_show_spawns"))
		{
			AdminHelpPage.showHelpPage(activeChar, "spawns.htm");
		}
		else if (command.equalsIgnoreCase("admin_spawn_debug_menu"))
		{
			AdminHelpPage.showHelpPage(activeChar, "spawns_debug.htm");
		}
		else if (command.startsWith("admin_spawn_debug_print"))
		{
			StringTokenizer st = new StringTokenizer(command, " ");
			L2Object target = activeChar.getTarget();
			if(target instanceof L2Npc)
			{
				try
				{
					st.nextToken();
					int type = Integer.parseInt(st.nextToken());
					printSpawn((L2Npc) target, type);
					if(command.contains("_menu"))
						AdminHelpPage.showHelpPage(activeChar, "spawns_debug.htm");	
				}
				catch (Exception e)
				{
				}
			}
			else
				activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
		}
		else if (command.startsWith("admin_spawn_index"))
		{
			StringTokenizer st = new StringTokenizer(command, " ");
			try
			{
				st.nextToken();
				int level = Integer.parseInt(st.nextToken());
				int from = 0;
				try
				{
					from = Integer.parseInt(st.nextToken());
				}
				catch (NoSuchElementException nsee)
				{
				}
				showMonsters(activeChar, level, from);
			}
			catch (Exception e)
			{
				AdminHelpPage.showHelpPage(activeChar, "spawns.htm");
			}
		}
		else if (command.equals("admin_show_npcs"))
		{
			AdminHelpPage.showHelpPage(activeChar, "npcs.htm");
		}
		else if (command.startsWith("admin_npc_index"))
		{
			StringTokenizer st = new StringTokenizer(command, " ");
			try
			{
				st.nextToken();
				String letter = st.nextToken();
				int from = 0;
				try
				{
					from = Integer.parseInt(st.nextToken());
				}
				catch (NoSuchElementException nsee)
				{
				}
				showNpcs(activeChar, letter, from);
			}
			catch (Exception e)
			{
				AdminHelpPage.showHelpPage(activeChar, "npcs.htm");
			}
		}
		else if (command.startsWith("admin_instance_spawns"))
		{
			StringTokenizer st = new StringTokenizer(command, " ");
			try
			{
				st.nextToken();
				int instance = Integer.parseInt(st.nextToken());
				if(instance >= 300000)
				{
					final StringBuilder html = StringUtil.startAppend(500 + 1000,
							"<html><table width=\"100%\"><tr><td width=45><button value=\"Main\" action=\"bypass -h admin_admin\" width=45 height=21 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></td><td width=180><center>",
							"<font color=\"LEVEL\">Spawns for "+String.valueOf(instance)+"</font>",
							"</td><td width=45><button value=\"Back\" action=\"bypass -h admin_current_player\" width=45 height=21 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></td></tr></table><br>",
							"<table width=\"100%\"><tr><td width=200>NpcName</td><td width=70>Action</td></tr>");
					int counter = 0;
					int skiped = 0;
					Instance inst = InstanceManager.getInstance().getInstance(instance);
					if(inst != null)
					{
						for(L2Npc npc : inst.getNpcs())
						{
							if(!npc.isDead())
							{
								// Only 50 because of client html limitation
								if(counter < 50)
								{
									StringUtil.append(html,"<tr><td>"+npc.getName()+"</td><td>",
									"<a action=\"bypass -h admin_move_to "+npc.getX()+" "+npc.getY()+" "+npc.getZ()+"\">Go</a>",
									"</td></tr>");
									counter++;								
								}
								else
									skiped++;
							}
						}
						StringUtil.append(html, "<tr><td>Skipped:</td><td>"+String.valueOf(skiped)+"</td></tr></table></body></html>");
						NpcHtmlMessage ms = new NpcHtmlMessage(1);
						ms.setHtml(html.toString());
						activeChar.sendPacket(ms);
					}
					else
						activeChar.sendMessage("Cannot find instance "+instance);
				}
				else
					activeChar.sendMessage("Invalid instance number.");
			}
			catch (Exception e)
			{
				activeChar.sendMessage("Usage //instance_spawns <instance_number>");
			}
		}
		else if (command.startsWith("admin_unspawnall"))
		{
			Broadcast.toAllOnlinePlayers(SystemMessage.getSystemMessage(SystemMessageId.NPC_SERVER_NOT_OPERATING));
			RaidBossSpawnManager.getInstance().cleanUp();
			DayNightSpawnManager.getInstance().cleanUp();
			L2World.getInstance().deleteVisibleNpcSpawns();
			GmListTable.broadcastMessageToGMs("NPC Unspawn completed!");
		}
		else if (command.startsWith("admin_spawnday"))
		{
			DayNightSpawnManager.getInstance().spawnDayCreatures();
		}
		else if (command.startsWith("admin_spawnnight"))
		{
			DayNightSpawnManager.getInstance().spawnNightCreatures();
		}
		else if (command.startsWith("admin_respawnall") || command.startsWith("admin_spawn_reload"))
		{
			// make sure all spawns are deleted
			RaidBossSpawnManager.getInstance().cleanUp();
			DayNightSpawnManager.getInstance().cleanUp();
			L2World.getInstance().deleteVisibleNpcSpawns();
			// now respawn all
			NpcTable.getInstance().reloadAllNpc();
			SpawnTable.getInstance().reloadAll();
			RaidBossSpawnManager.getInstance().reloadBosses();
			AutoSpawnHandler.getInstance().reload();
			AutoChatHandler.getInstance().reload();
			SevenSigns.getInstance().spawnSevenSignsNPC();
			QuestManager.getInstance().reloadAllQuests();
			GmListTable.broadcastMessageToGMs("NPC Respawn completed!");
		}
		else if (command.startsWith("admin_teleport_reload"))
		{
			TeleportLocationTable.getInstance().reloadAll();
			GmListTable.broadcastMessageToGMs("Teleport List Table reloaded.");
		}
		else if (command.startsWith("admin_spawn_monster") || command.startsWith("admin_spawn"))
		{
			StringTokenizer st = new StringTokenizer(command, " ");
			try
			{
				String cmd = st.nextToken();
				String id = st.nextToken();
				int respawnTime = 0;
				int mobCount = 1;
				if (st.hasMoreTokens())
					mobCount = Integer.parseInt(st.nextToken());
				if (st.hasMoreTokens())
					respawnTime = Integer.parseInt(st.nextToken());
				if (cmd.equalsIgnoreCase("admin_spawn_once"))
					spawnMonster(activeChar, id, respawnTime, mobCount, false);
				else
					spawnMonster(activeChar, id, respawnTime, mobCount, true);
			}
			catch (Exception e)
			{ // Case of wrong or missing monster data
				AdminHelpPage.showHelpPage(activeChar, "spawns.htm");
			}
		}
		else if (command.startsWith("admin_list_spawns") || command.startsWith("admin_list_positions"))
		{
			int npcId = 0;
			int teleportIndex = -1;
			try
			{ // admin_list_spawns x[xxxx] x[xx]
				String[] params = command.split(" ");
				Pattern pattern = Pattern.compile("[0-9]*");
				Matcher regexp = pattern.matcher(params[1]);
				if (regexp.matches())
					npcId = Integer.parseInt(params[1]);
				else
				{
					params[1] = params[1].replace('_', ' ');
					npcId = NpcTable.getInstance().getTemplateByName(params[1]).getNpcId();
				}
				if (params.length > 2)
					teleportIndex = Integer.parseInt(params[2]);
			}
			catch (Exception e)
			{
				activeChar.sendMessage("Command format is //list_spawns <npcId|npc_name> [tele_index]");
			}
			if(command.startsWith("admin_list_positions"))
				SpawnTable.getInstance().findNPCInstances(activeChar, npcId, teleportIndex, true);
			else
				SpawnTable.getInstance().findNPCInstances(activeChar, npcId, teleportIndex, false);
		}
		return true;
	}
	
	@Override
	public String[] getAdminCommandList()
	{
		return ADMIN_COMMANDS;
	}
	
	private void printSpawn(L2Npc target, int type)
	{
		int i = target.getNpcId();
		int x = target.getSpawn().getLocx();
		int y = target.getSpawn().getLocy();
		int z = target.getSpawn().getLocz();
		int h = target.getSpawn().getHeading();
		switch(type)
		{
			default:
			case 0:
				_log.info("('',1,"+i+","+x+","+y+","+z+",0,0,"+h+",60,0,0),");
			break;
			case 1:
				_log.info("<spawn npcId=\""+i+"\" x=\""+x+"\" y=\""+y+"\" z=\""+z+"\" heading=\""+h+"\" respawn=\"0\" />");
			break;
			case 2:
				_log.info("{ "+i+", "+x+", "+y+", "+z+", "+h+" },");
			break;
		}
	}
	
	private void spawnMonster(L2PcInstance activeChar, String monsterId, int respawnTime, int mobCount, boolean permanent)
	{
		L2Object target = activeChar.getTarget();
		if (target == null)
			target = activeChar;
		
		L2NpcTemplate template1;
		if (monsterId.matches("[0-9]*"))
		{
			//First parameter was an ID number
			int monsterTemplate = Integer.parseInt(monsterId);
			template1 = NpcTable.getInstance().getTemplate(monsterTemplate);
		}
		else
		{
			//First parameter wasn't just numbers so go by name not ID
			monsterId = monsterId.replace('_', ' ');
			template1 = NpcTable.getInstance().getTemplateByName(monsterId);
		}
		
		try
		{
			L2Spawn spawn = new L2Spawn(template1);
			if (Config.SAVE_GMSPAWN_ON_CUSTOM)
				spawn.setCustom(true);
			spawn.setLocx(target.getX());
			spawn.setLocy(target.getY());
			spawn.setLocz(target.getZ());
			spawn.setAmount(mobCount);
			spawn.setHeading(activeChar.getHeading());
			spawn.setRespawnDelay(respawnTime);
			if (activeChar.getInstanceId() > 0)
			{
				spawn.setInstanceId(activeChar.getInstanceId());
				permanent = false;
			}
			else
				spawn.setInstanceId(0);
			// TODO add checks for GrandBossSpawnManager
			if (RaidBossSpawnManager.getInstance().isDefined(spawn.getNpcid()))
				activeChar.sendMessage("You cannot spawn another instance of " + template1.getName() + ".");
			else
			{
				if (RaidBossSpawnManager.getInstance().getValidTemplate(spawn.getNpcid()) != null)
				{
					spawn.setRespawnMinDelay(43200);
					spawn.setRespawnMaxDelay(129600);
					RaidBossSpawnManager.getInstance().addNewSpawn(spawn, 0, template1.getBaseHpMax(), template1.getBaseMpMax(), permanent);
				}
				else
				{
					SpawnTable.getInstance().addNewSpawn(spawn, permanent);
					spawn.init();
				}
				if (!permanent)
					spawn.stopRespawn();
				activeChar.sendMessage("Created " + template1.getName() + " on " + target.getObjectId());
			}
		}
		catch (Exception e)
		{
			activeChar.sendPacket(SystemMessageId.TARGET_CANT_FOUND);
		}
	}
	
	private void showMonsters(L2PcInstance activeChar, int level, int from)
	{
		final List<L2NpcTemplate> mobs = NpcTable.getInstance().getAllMonstersOfLevel(level);
		final int mobsCount = mobs.size();
		final StringBuilder tb = StringUtil.startAppend(500 + mobsCount * 80,
				"<html><title>Spawn Monster:</title><body><p> Level : ",
				Integer.toString(level),
				"<br>Total Npc's : ",
				Integer.toString(mobsCount),
		"<br>");
		
		// Loop
		int i = from;
		for (int j = 0; i < mobsCount && j < 50; i++, j++)
			StringUtil.append(tb, "<a action=\"bypass -h admin_spawn_monster ", Integer.toString(mobs.get(i).getNpcId()), "\">", mobs.get(i).getName(), "</a><br1>");
		
		if (i == mobsCount)
			tb.append("<br><center><button value=\"Back\" action=\"bypass -h admin_show_spawns\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
		else
			StringUtil.append(tb, "<br><center><button value=\"Next\" action=\"bypass -h admin_spawn_index ", Integer.toString(level), " ", Integer.toString(i), "\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"><button value=\"Back\" action=\"bypass -h admin_show_spawns\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
		
		activeChar.sendPacket(new NpcHtmlMessage(5, tb.toString()));
	}
	
	private void showNpcs(L2PcInstance activeChar, String starting, int from)
	{
		final List<L2NpcTemplate> mobs = NpcTable.getInstance().getAllNpcStartingWith(starting);
		final int mobsCount = mobs.size();
		final StringBuilder tb = StringUtil.startAppend(500 + mobsCount * 80,
				"<html><title>Spawn Monster:</title><body><p> There are ",
				Integer.toString(mobsCount),
				" Npcs whose name starts with ",
				starting,
		":<br>");
		
		// Loop
		int i = from;
		for (int j = 0; i < mobsCount && j < 50; i++, j++)
			StringUtil.append(tb, "<a action=\"bypass -h admin_spawn_monster ", Integer.toString(mobs.get(i).getNpcId()), "\">", mobs.get(i).getName(), "</a><br1>");
		
		if (i == mobsCount)
			tb.append("<br><center><button value=\"Back\" action=\"bypass -h admin_show_npcs\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
		else
			StringUtil.append(tb, "<br><center><button value=\"Next\" action=\"bypass -h admin_npc_index ", starting, " ", Integer.toString(i), "\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"><button value=\"Back\" action=\"bypass -h admin_show_npcs\" width=40 height=15 back=\"L2UI_ct1.button_df\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
		
		activeChar.sendPacket(new NpcHtmlMessage(5, tb.toString()));
	}
}