package mineplex.clanshub;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.UUID;

import mineplex.core.MiniDbClientPlugin;
import mineplex.core.account.CoreClientManager;
import mineplex.core.common.util.F;
import mineplex.core.common.util.UtilAction;
import mineplex.core.common.util.UtilAlg;
import mineplex.core.common.util.UtilPlayer;
import mineplex.core.common.util.UtilTime;
import mineplex.core.donation.DonationManager;
import mineplex.core.npc.event.NpcDamageByEntityEvent;
import mineplex.core.npc.event.NpcInteractEntityEvent;
import mineplex.core.party.Lang;
import mineplex.core.party.Party;
import mineplex.core.party.PartyManager;
import mineplex.core.portal.Portal;
import mineplex.core.recharge.Recharge;
import mineplex.core.shop.page.ShopPageBase;
import mineplex.core.updater.UpdateType;
import mineplex.core.updater.event.UpdateEvent;
import mineplex.game.clans.core.repository.tokens.SimpleClanToken;
import mineplex.serverdata.Region;
import mineplex.serverdata.data.MinecraftServer;
import mineplex.serverdata.servers.ServerManager;

import org.bukkit.Sound;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.entity.EntityPortalEnterEvent;
import org.bukkit.plugin.java.JavaPlugin;

import com.google.common.collect.Lists;

/**
 * Server selection controller for clans
 */
public class ClansTransferManager extends MiniDbClientPlugin<SimpleClanToken>
{
	private static final long SERVER_RELOAD_INTERVAL = 5000;
	private PartyManager _party;
	private Portal _portal;
	private HubManager _hub;
	private Region _region;
	private final HashMap<MinecraftServer, ServerInfo> _servers = new HashMap<MinecraftServer, ServerInfo>();
	private boolean _loading = false;
	private long _lastLoaded;
	private ClansServerShop _serverShop;
	
	public ClansTransferManager(JavaPlugin plugin, CoreClientManager client, DonationManager donation, PartyManager party, Portal portal, HubManager hub)
	{
		super("Server Transfer", plugin, client);
		
		_party = party;
		_portal = portal;
		_hub = hub;
		_region = plugin.getConfig().getBoolean("serverstatus.us") ? Region.US : Region.EU;
		_serverShop = new ClansServerShop(this, client, donation);
	}
	
	/**
	 * Gets the stored party manager
	 * @return The stored party manager
	 */
	public PartyManager getPartyManager()
	{
		return _party;
	}
	
	/**
	 * Gets a list of all loaded servers
	 * @return A list of all loaded servers
	 */
	public List<ServerInfo> getServers()
	{
		List<ServerInfo> servers = Lists.newArrayList();
		servers.addAll(_servers.values());
		return servers;
	}
	
	/**
	 * Gets the loaded ServerInfo with the given name
	 * @param name The name to check
	 * @return The loaded ServerInfo, or null if it is not stored
	 */
	public ServerInfo getServer(String name)
	{
		for (ServerInfo server : _servers.values())
		{
			if (server.Name.equalsIgnoreCase(name))
			{
				return server;
			}
		}
		
		return null;
	}
	
	/**
	 * Pulls all the clans servers from redis and loads them. SHOULD BE RUN ASYNC
	 */
	public void reload()
	{
		_servers.clear();
		for (MinecraftServer server : ServerManager.getServerRepository(_region).getServerStatusesByPrefix("Clans-"))
		{
			ServerInfo info = new ServerInfo();
			info.Name = server.getName();
			info.CurrentPlayers = server.getPlayerCount();
			info.MaxPlayers = server.getMaxPlayerCount();
			_servers.put(server, info);
		}
	}
	
	/**
	 * Selects a server to send a player to
	 * @param player The player to send
	 * @param serverInfo The server to send the player to
	 */
	public void selectServer(Player player, ServerInfo serverInfo)
	{
		Party party = _party.getParty(player);
		if (party != null)
		{
			if(!party.getOwner().equalsIgnoreCase(player.getName()))
			{
				Lang.NOT_OWNER_SERVER.send(player);
				return;
			}
			_party.getJoinManager().requestServerJoin(serverInfo.Name, party);
			return;
		}
		player.leaveVehicle();
		player.eject();

		_portal.sendPlayerToServer(player, serverInfo.Name);
	}
	
	@EventHandler
	public void reloadServers(UpdateEvent event)
	{
		if (event.getType() != UpdateType.SEC || _loading || !UtilTime.elapsed(_lastLoaded, SERVER_RELOAD_INTERVAL))
		{
			return;
		}
		_loading = true;
		final Runnable after = new Runnable()
		{
			public void run()
			{
				_lastLoaded = System.currentTimeMillis();
				_loading = false;
			}
		};
		runAsync(() ->
		{
			reload();
			runSync(after);
		});
	}
	
	@SuppressWarnings("rawtypes")
	@EventHandler
	public void refreshPages(UpdateEvent event)
	{
		if (event.getType() != UpdateType.SEC)
			return;
		
		for (ShopPageBase page : _serverShop.getPageMap().values())
		{
			if (page instanceof ClansServerPage)
			{
				((ClansServerPage)page).update();
			}
		}
	}
	
	@EventHandler
	public void onEnterPortal(EntityPortalEnterEvent event)
	{
		if (!(event.getEntity() instanceof Player))
		{
			UtilAction.velocity(event.getEntity(), UtilAlg.getTrajectory(event.getEntity().getLocation(), _hub.GetSpawn()), 1, true, 0.5, 0, 1.0, true);
			return;
		}
		
		Player player = (Player) event.getEntity();
		if (!_hub.CanPortal(player))
		{
			UtilAction.velocity(player, UtilAlg.getTrajectory(player.getLocation(), _hub.GetSpawn()), 1, true, 0.5, 0, 1.0, true);
			return;
		}
		if (_party.getParty(player) != null) 
		{  
			player.playSound(player.getLocation(), Sound.ITEM_BREAK, 1, .6f);
			player.sendMessage(F.main("Party", "You cannot join Clans while in a party."));
			UtilAction.velocity(player, UtilAlg.getTrajectory(player.getLocation(), _hub.GetSpawn()), 1, true, 0.5, 0, 1.0, true);
			return;
		}
		
		if (!Recharge.Instance.use(player, "Transfer Portal", 5000, false, false))
		{
			return;
		}
		
		if (Get(player) == null || Get(player).getHomeServer() == null || Get(player).getHomeServer().isEmpty())
		{
			player.teleport(_hub.GetSpawn());
			runSyncLater(() ->
			{
				_serverShop.attemptShopOpen(player);
			}, 20L);
			return;
		}
		
		if (getServer(Get(player).getHomeServer()) != null)
		{
			UtilPlayer.message(player, F.main(getName(), "You are being transferred to your Clan's home server!"));
			selectServer(player, getServer(Get(player).getHomeServer()));
		}
		else
		{
			UtilPlayer.message(player, F.main(getName(), "Your Clan's home server is not online!"));
		}
	}
	
	@EventHandler
	public void onUseNPC(NpcInteractEntityEvent event)
	{
		if (event.getNpc().getName().contains("Clans"))
		{
			_serverShop.attemptShopOpen(event.getPlayer());
		}
		if (event.getNpc().getName().contains("Return"))
		{
			_portal.sendToHub(event.getPlayer(), "Returning to Mineplex!");
		}
	}
	
	@EventHandler
	public void onUseNPC(NpcDamageByEntityEvent event)
	{
		if (!(event.getDamager() instanceof Player))
		{
			return;
		}
		Player player = (Player) event.getDamager();
		
		if (event.getNpc().getName().contains("Clans")  && Recharge.Instance.use(player, "Go to Clans", 1000, false, false))
		{
			_serverShop.attemptShopOpen(player);
		}
		if (event.getNpc().getName().contains("Return") && Recharge.Instance.use(player, "Return to Mineplex", 1000, false, false))
		{
			_portal.sendToHub(player, "Returning to Mineplex!");
		}
	}
	
	@Override
	public String getQuery(int accountId, String uuid, String name) 
	{
		return "SELECT clans.name, accountClan.clanRole, clanServer.serverName, clans.id FROM accountClan INNER JOIN clans ON clans.id = accountClan.clanId INNER JOIN clanServer ON clans.serverId = clanServer.id WHERE accountClan.accountId = " + accountId + ";";
	}

	@Override
	public void processLoginResultSet(String playerName, UUID uuid, int accountId, ResultSet resultSet) throws SQLException
	{
		SimpleClanToken clanToken = new SimpleClanToken();
		
		while (resultSet.next())
		{
			String clanName = resultSet.getString(1);
			String clanRole = resultSet.getString(2);
			String homeServer = resultSet.getString(3);
			int clanId = resultSet.getInt(4);
			clanToken = new SimpleClanToken(clanName, clanRole, homeServer, clanId);
		}
		
		Set(uuid, clanToken);
	}

	@Override
	protected SimpleClanToken addPlayer(UUID uuid)
	{
		return new SimpleClanToken();
	}
}