/*
* Copyright (C) 2012 maartenl
*
* 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 mmud.commands.items;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import mmud.Constants;
import mmud.commands.NormalCommand;
import mmud.database.entities.characters.Person;
import mmud.database.entities.characters.Shopkeeper;
import mmud.database.entities.characters.User;
import mmud.database.entities.game.DisplayInterface;
import mmud.database.entities.items.Item;
import mmud.database.enums.God;
import mmud.exceptions.MudException;
import mmud.rest.services.ItemBean;
/**
* Sells an item to a shopkeeper. Syntax : sell [<amount>] <item> to <character>.
* For example "sell bucket to Karcas".
*
*
* @see BuyCommand
* @author maartenl
*/
public class SellCommand extends NormalCommand
{
public SellCommand(String aRegExpr)
{
super(aRegExpr);
}
/**
* Tries out the sell command. There are a couple of requirements that need
* to be met, before a successful sale takes place.
* <ol>
* <li>command struct. should be "<I>sell [<amount>] <item> to
* <character></I>", for example: "<I>sell gold ring to Karcas</I>".</li>
* <li>keeper buying the item should</li>
* <ol>
* <li>exist,</li>
* <li>be in the same room and</li>
* <li>
* have a god==4 to indicate a "keeper" and</li>
* <li>has enough money</li>
* </ol>
* <li>the customer should have the item</li>
* <li>the item is not being wielded</li>
* <li>the item is not being worn</li>
* <li>the item itself should <I>NOT</I> have a attribute called
* "notsellable".</li>
* <li>the item should not contain any items</li>
* </ol>
* A best effort is tried, this means the following sequence of events:
* <ol>
* <li>the item is transferred into the inventory of the keeper</li>
* <li>money is transferred into the inventory of the customer</li>
* <li>continue with next item</li>
* </ol>
*
* @param command the command entered.
* @param aUser the character doing the selling.
* @return a simple displayinterface, in our case the room.
*/
@Override
public DisplayInterface run(String command, User aUser) throws MudException
{
List<String> parsed = new ArrayList<>(Arrays.asList(parseCommand(command)));
parsed.remove(0); // remove "sell"
String shopkeeperName = parsed.get(parsed.size() - 1);
parsed.remove(parsed.size() - 1); // remove shopkeeper
parsed.remove(parsed.size() - 1); // remove "to"
int amount = 1;
try
{
amount = Integer.parseInt(parsed.get(0));
parsed.remove(0);
} catch (NumberFormatException e)
{// do nothing here, we assume we need to drop only one item.
}
if (amount <= 0)
{
aUser.writeMessage("That is an illegal amount.<br/>\n");
return aUser.getRoom();
}
// find the item on ourselves
List<Item> itemsFound = aUser.findItems(parsed);
if (itemsFound.isEmpty())
{
aUser.writeMessage("You don't have that.<br/>\n");
return aUser.getRoom();
}
if (itemsFound.size() < amount)
{
aUser.writeMessage("You do not have that many items in your inventory.<br/>\r\n");
return aUser.getRoom();
}
Person keeper = aUser.getRoom().getPerson(shopkeeperName);
if (keeper == null)
{
aUser.writeMessage("Unable to locate shopkeeper.<br/>\r\n");
return aUser.getRoom();
}
if (keeper.getGod() != God.SHOPKEEPER)
{
aUser.writeMessage("That's not a shopkeeper!<br/>\r\n");
return aUser.getRoom();
}
Shopkeeper shopkeeper = (Shopkeeper) keeper;
boolean sold = false;
ItemBean itemBean = getItemBean();
for (Item item : itemsFound)
{
// item is not used.
if (item.getCopper() <= 1)
{
String message = "That item is not worth anything.";
aUser.getRoom().sendMessage(shopkeeper, aUser,
"%SNAME say%VERB2 [to %TNAME] : " + message
+ "<br/>\r\n");
continue;
}
if (shopkeeper.getCopper() < item.getCopper())
{
aUser.writeMessage(shopkeeper.getName()
+ " mutters something about not having enough money.<br/>\r\n");
break;
}
if (!aUser.unused(item))
{
aUser.writeMessage("You are wearing or wielding this item.<BR>\r\n");
continue;
}
if (!item.isSellable())
{
aUser.writeMessage("You cannot sell that item.<BR>\r\n");
continue;
}
Integer moneyPaid = itemBean.sell(item, aUser, shopkeeper);
if (moneyPaid == null)
{
continue;
}
aUser.getRoom().sendMessage(aUser, "%SNAME sold%VERB2 " + item.getDescription() + " to " + shopkeeper.getName() + " for " + Constants.getDescriptionOfMoney(moneyPaid) + ".<br/>\r\n");
sold = true;
amount--;
if (amount == 0)
{
return aUser.getRoom();
}
}
if (!sold)
{
aUser.writeMessage("You did not sell anything.<br/>\r\n");
} else
{
aUser.writeMessage("You sold some of the items.<br/>\r\n");
}
return aUser.getRoom();
}
}