/*
 * 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 silentium.gameserver.network.serverpackets;

import silentium.gameserver.data.html.HtmCache;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.clientpackets.Say2;

/**
 * the HTML parser in the client knowns these standard and non-standard tags and attributes VOLUMN UNKNOWN UL U TT TR TITLE TEXTCODE TEXTAREA TD
 * TABLE SUP SUB STRIKE SPIN SELECT RIGHT PRE P OPTION OL MULTIEDIT LI LEFT INPUT IMG I HTML H7 H6 H5 H4 H3 H2 H1 FONT EXTEND EDIT COMMENT
 * COMBOBOX CENTER BUTTON BR BODY BAR ADDRESS A SEL LIST VAR FORE READONL ROWS VALIGN FIXWIDTH BORDERCOLORLI BORDERCOLORDA BORDERCOLOR BORDER
 * BGCOLOR BACKGROUND ALIGN VALU READONLY MULTIPLE SELECTED TYP TYPE MAXLENGTH CHECKED SRC Y X QUERYDELAY NOSCROLLBAR IMGSRC B FG SIZE FACE COLOR
 * DEFFON DEFFIXEDFONT WIDTH VALUE TOOLTIP NAME MIN MAX HEIGHT DISABLED ALIGN MSG LINK HREF ACTION
 */
public final class NpcHtmlMessage extends L2GameServerPacket
{
	private final int _npcObjId;
	private String _html;
	private int _itemId = 0;
	private boolean _validate = true;

    public NpcHtmlMessage(int npcObjId, int itemId)
	{
		_npcObjId = npcObjId;
		_itemId = itemId;
	}

	public NpcHtmlMessage(int npcObjId, String text)
	{
		_npcObjId = npcObjId;
		setHtml(text);
	}

	public NpcHtmlMessage(int npcObjId)
	{
		_npcObjId = npcObjId;
	}

	/**
	 * disable building bypass validation cache for this packet
	 */
	public void disableValidation()
	{
		_validate = false;
	}

	@Override
	public void runImpl()
	{
		if (_validate)
			buildBypassCache(getClient().getActiveChar());
	}

	public void setHtml(String text)
	{
		if (text.length() > 8192)
		{
			_log.warn("Html is too long! this will crash the client!");
			_html = "<html><body>Html was too long</body></html>";
			return;
		}
		_html = text; // html code must not exceed 8192 bytes
	}

	public boolean setFile(String path, L2PcInstance player)
	{
		String content = HtmCache.getInstance().getHtm(path);
		
		if (player.isGM())
			player.sendChatMessage(0, Say2.ALL, "HTML", path);

		if (content == null)
		{
			setHtml("<html><body>My Text is missing:<br>" + path + "</body></html>");
			_log.warn("missing html page " + path);
			return false;
		}

		setHtml(content);
		return true;
	}

	public void replace(String pattern, String value)
	{
		_html = _html.replaceAll(pattern, value.replaceAll("\\$", "\\\\\\$"));
	}

	private final void buildBypassCache(L2PcInstance activeChar)
	{
		if (activeChar == null)
			return;

		activeChar.clearBypass();
		int len = _html.length();
		for (int i = 0; i < len; i++)
		{
			int start = _html.indexOf("\"bypass ", i);
			int finish = _html.indexOf("\"", start + 1);
			if (start < 0 || finish < 0)
				break;

			if (_html.substring(start + 8, start + 10).equals("-h"))
				start += 11;
			else
				start += 8;

			i = finish;
			int finish2 = _html.indexOf("$", start);
			if (finish2 < finish && finish2 > 0)
				activeChar.addBypass2(_html.substring(start, finish2).trim());
			else
				activeChar.addBypass(_html.substring(start, finish).trim());
		}
	}

	@Override
	protected final void writeImpl()
	{
		writeC(0x0f);

		writeD(_npcObjId);
		writeS(_html);
		writeD(_itemId);
	}
}