package com.eu.habbo.habbohotel.items.interactions.wired.effects;

import com.eu.habbo.Emulator;
import com.eu.habbo.habbohotel.gameclients.GameClient;
import com.eu.habbo.habbohotel.items.Item;
import com.eu.habbo.habbohotel.items.interactions.InteractionWiredEffect;
import com.eu.habbo.habbohotel.rooms.Room;
import com.eu.habbo.habbohotel.rooms.RoomTile;
import com.eu.habbo.habbohotel.rooms.RoomTileState;
import com.eu.habbo.habbohotel.rooms.RoomUnit;
import com.eu.habbo.habbohotel.users.Habbo;
import com.eu.habbo.habbohotel.users.HabboItem;
import com.eu.habbo.habbohotel.wired.WiredEffectType;
import com.eu.habbo.habbohotel.wired.WiredHandler;
import com.eu.habbo.habbohotel.wired.WiredTriggerType;
import com.eu.habbo.messages.ClientMessage;
import com.eu.habbo.messages.ServerMessage;
import com.eu.habbo.messages.outgoing.rooms.items.FloorItemOnRollerComposer;
import gnu.trove.set.hash.THashSet;

import java.sql.ResultSet;
import java.sql.SQLException;

public class WiredEffectMoveFurniTowards extends InteractionWiredEffect
{
    public static final WiredEffectType type = WiredEffectType.CHASE;

    private THashSet<HabboItem> items;

    public WiredEffectMoveFurniTowards(ResultSet set, Item baseItem) throws SQLException
    {
        super(set, baseItem);
        this.items = new THashSet<>();
    }

    public WiredEffectMoveFurniTowards(int id, int userId, Item item, String extradata, int limitedStack, int limitedSells)
    {
        super(id, userId, item, extradata, limitedStack, limitedSells);
        this.items = new THashSet<>();
    }

    @Override
    public boolean execute(RoomUnit roomUnit, Room room, Object[] stuff)
    {
        THashSet<HabboItem> items = new THashSet<>();

        for(HabboItem item : this.items)
        {
            if (item.getRoomId() == 0)
                items.add(item);
        }

        this.items.removeAll(items);

        for(HabboItem item : this.items)
        {
            RoomTile t = room.getLayout().getTile(item.getX(), item.getY());

            boolean collided = false;
            double shortest = 4;
            Habbo target = null;
            for (Habbo habbo : room.getHabbos())
            {
                if (habbo.getRoomUnit().getCurrentLocation().x == t.x || habbo.getRoomUnit().getCurrentLocation().y == t.y)
                {
                    double distance = t.distance(habbo.getRoomUnit().getCurrentLocation());
                    if (distance == 1)
                    {
                        Emulator.getThreading().run(new Runnable()
                        {
                            @Override
                            public void run()
                            {
                                WiredHandler.handle(WiredTriggerType.COLLISION, habbo.getRoomUnit(), room, new Object[]{item});
                            }
                        });

                        collided = true;
                        break;
                    }

                    if (distance <= shortest)
                    {
                        target = habbo;
                        shortest = distance;
                    }
                }
            }

            if (collided)
            {
                break;
            }

            int x = 0;
            int y = 0;
            if(target != null)
            {
                if (target.getRoomUnit().getX() == item.getX())
                {
                    if (item.getY() < target.getRoomUnit().getY())
                        y++;
                    else
                        y--;
                } else if (target.getRoomUnit().getY() == item.getY())
                {
                    if (item.getX() < target.getRoomUnit().getX())
                        x++;
                    else
                        x--;
                } else if (target.getRoomUnit().getX() - item.getX() > target.getRoomUnit().getY() - item.getY())
                {
                    if (target.getRoomUnit().getX() - item.getX() > 0)
                        x++;
                    else
                        x--;
                } else
                {
                    if (target.getRoomUnit().getY() - item.getY() > 0)
                        y++;
                    else
                        y--;
                }
            }
            else
            {
                switch (Emulator.getRandom().nextInt(4))
                {
                    case 0: x--; break;
                    case 1: x++; break;
                    case 2: y--; break;
                    case 3: y++; break;
                }
            }

            RoomTile newTile = room.getLayout().getTile((short) (item.getX() + x), (short) (item.getY() + y));

            if (newTile != null && newTile.state == RoomTileState.OPEN && newTile.isWalkable())
            {
                if (room.getLayout().tileExists(newTile.x, newTile.y))
                {
                    HabboItem topItem = room.getTopItemAt(newTile.x, newTile.y);

                    if (topItem == null || topItem.getBaseItem().allowStack())
                    {
                        double offsetZ = 0;

                        if (topItem != null)
                            offsetZ = topItem.getZ() + topItem.getBaseItem().getHeight() - item.getZ();

                        room.sendComposer(new FloorItemOnRollerComposer(item, null, newTile, offsetZ, room).compose());
                    }
                }
            }

        }

        return true;
    }

    @Override
    public String getWiredData()
    {
        StringBuilder wiredData = new StringBuilder(this.getDelay() + "\t");

        if(this.items != null && !this.items.isEmpty())
        {
            for (HabboItem item : this.items)
            {
                wiredData.append(item.getId()).append(";");
            }
        }

        return wiredData.toString();
    }

    @Override
    public void loadWiredData(ResultSet set, Room room) throws SQLException
    {
        this.items = new THashSet<>();
        String[] wiredData = set.getString("wired_data").split("\t");

        if (wiredData.length >= 1)
        {
            this.setDelay(Integer.valueOf(wiredData[0]));
        }
        if (wiredData.length == 2)
        {
            if (wiredData[1].contains(";"))
            {
                for (String s : wiredData[1].split(";"))
                {
                    HabboItem item = room.getHabboItem(Integer.valueOf(s));

                    if (item != null)
                        this.items.add(item);
                }
            }
        }
    }

    @Override
    public void onPickUp()
    {
        this.items.clear();
        this.setDelay(0);
    }

    @Override
    public WiredEffectType getType()
    {
        return type;
    }

    @Override
    public void serializeWiredData(ServerMessage message, Room room)
    {
        THashSet<HabboItem> items = new THashSet<>();

        for(HabboItem item : this.items)
        {
            if(item.getRoomId() != this.getRoomId() || Emulator.getGameEnvironment().getRoomManager().getRoom(this.getRoomId()).getHabboItem(item.getId()) == null)
                items.add(item);
        }

        for(HabboItem item : items)
        {
            this.items.remove(item);
        }
        message.appendBoolean(false);
        message.appendInt(WiredHandler.MAXIMUM_FURNI_SELECTION);
        message.appendInt(this.items.size());
        for(HabboItem item : this.items)
            message.appendInt(item.getId());

        message.appendInt(this.getBaseItem().getSpriteId());
        message.appendInt(this.getId());
        message.appendString("");
        message.appendInt(0);
        message.appendInt(0);
        message.appendInt(this.getType().code);
        message.appendInt(this.getDelay());
        message.appendInt(0);
    }

    @Override
    public boolean saveData(ClientMessage packet, GameClient gameClient)
    {
        packet.readInt();
        packet.readString();

        this.items.clear();

        int count = packet.readInt();

        for(int i = 0; i < count; i++)
        {
            this.items.add(Emulator.getGameEnvironment().getRoomManager().getRoom(this.getRoomId()).getHabboItem(packet.readInt()));
        }

        this.setDelay(packet.readInt());

        return true;
    }

    @Override
    protected long requiredCooldown()
    {
        return 495;
    }
}