package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.util.Set;

import net.sf.l2j.commons.lang.StringUtil;

import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.actor.instance.Player;
import net.sf.l2j.gameserver.model.item.instance.ItemInstance;
import net.sf.l2j.gameserver.network.serverpackets.NpcHtmlMessage;


/**
 * This class handles following admin commands:
 * <ul>
 * <li>show_ivetory</li>
 * <li>delete_item</li>
 * </ul>
 * @author Zealar
 */

public class AdminInventory implements IAdminCommandHandler
{
    private static final String[] ADMIN_COMMANDS =
    {
        "admin_show_inventory",
        "admin_delete_item"
    };

    @Override
    public boolean useAdminCommand(String command, Player activeChar)
    {
        if ((activeChar.getTarget() == null))
        {
            activeChar.sendMessage("Select a target");
            return false;
        }

        if (!(activeChar.getTarget() instanceof Player))
        {
            activeChar.sendMessage("Target need to be player");
            return false;
        }

        Player player = activeChar.getTarget().getActingPlayer();

        if (command.startsWith(ADMIN_COMMANDS[0]))
        {
            if (command.length() > ADMIN_COMMANDS[0].length())
            {
                String com = command.substring(ADMIN_COMMANDS[0].length() + 1);
                if (StringUtil.isDigit(com))
                {
                    showItemsPage(aο»ΏctiveChar, Integer.parseInt(com));
                }
            }

            else
            {
                showItemsPage(activeChar, 0);
            }
        }
        else if (command.contains(ADMIN_COMMANDS[1]))
        {
            String val = command.substring(ADMIN_COMMANDS[1].length() + 1);

            player.destroyItem("GM Destroy", Integer.parseInt(val), player.getInventory().getItemByObjectId(Integer.parseInt(val)).getCount(), null, true);
            showItemsPage(activeChar, 0);
        }

        return true;
    }

    private static void showItemsPage(Player activeChar, int page)
    {
        final Player target = activeChar.getTarget().getActingPlayer();


        final Set<ItemInstance> items = target.getInventory().getItems();

        int maxItemsPerPage = 16;
        int maxPages = items.size() / maxItemsPerPage;
        if (items.size() > (maxItemsPerPage * maxPages))
        {
            maxPages++;
        }

        if (page > maxPages)
        {
            page = maxPages;
        }

        int itemsStart = maxItemsPerPage * page;
        int itemsEnd = items.size();
        if ((itemsEnd - itemsStart) > maxItemsPerPage)
        {
            itemsEnd = itemsStart + maxItemsPerPage;
        }

    final NpcHtmlMessage adminReply = new NpcHtmlMessage(0);
        adminReply.setFile("data/html/admin/inventory.htm");
        adminReply.replace("%PLAYER_NAME%", target.getName());

        StringBuilder sbPages = new StringBuilder();
        for (int x = 0; x < maxPages; x++)
        {
            int pagenr = x + 1;
            sbPages.append("<td><button value=\"" + String.valueOf(pagenr) + "\" action=\"bypass -h admin_show_inventory " + String.valueOf(x) + "\" width=14 height=14 back=\"sek.cbui67\" fore=\"sek.cbui67\"></td>");
        }

        adminReply.replace("%PAGES%", sbPages.toString());

        StringBuilder sbItems = new StringBuilder();

        for (ItemInstance item: items)
        {
            sbItems.append("<tr><td><button action=\"bypass -h admin_delete_item " + String.valueOf(item.getObjectId()) + "\" width=16 height=16 back=\"L2UI.bbs_delete\" fore=\"L2UI.bbs_delete\">" + "</td>");
            sbItems.append("<td width=60>" + item.getName() + "</td></tr><br>");
        }

        adminReply.replace("%ITEMS%", sbItems.toString());

        activeChar.sendPacket(adminReply);
    }

    @Override
    public String[] getAdminCommandList()
    {
        return ADMIN_COMMANDS;
    }
}