* 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 2, 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package net.sf.l2j.gameserver.model;

import java.io.File;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.Map;
import java.util.TreeMap;
import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.serverpackets.PledgeShowMemberListAll;
import net.sf.l2j.gameserver.serverpackets.PledgeStatusChanged;
import net.sf.l2j.gameserver.serverpackets.ServerBasePacket;
import net.sf.l2j.gameserver.serverpackets.SystemMessage;

public class L2Alliance
{
    private static final Logger _log = Logger.getLogger(L2Clan.class.getName());

    private String _name;
    private int _allyId;
    private L2Clan _leader;
    private boolean _hasCrest;
    private Map<String, L2Clan> _members = new TreeMap<String, L2Clan>();
    
    /**
     * called if a alliance is referenced only by id.
     * in this case all other data needs to be fetched from db
     * @param allyId
     */
    public L2Alliance (int allyId)
    {
        _allyId = allyId;
        restore();
        File crestFile = new File(Config.DATAPACK_ROOT, "data/crests/Alliance_"+_allyId+".bmp");
        _hasCrest = crestFile.exists();
    }
    
    /**
     * this is only called if a new alliance is created
     * @param allyId
     * @param allianceName
     * @param leader
     */
    public L2Alliance(int allyId, String allianceName, L2Clan leader)
    {
        _allyId = allyId;
        _name = allianceName;
        setLeader(leader);
    }
    
    /**
     * @return Returns the allianceId.
     */
    public int getAllianceId()
    {
        return _allyId;
    }
    
    /**
     * @param allianceId The clanId to set.
     */
    public void setAllianceId(int allianceId)
    {
        _allyId = allianceId;
    }
    
    /**
     * @return Returns the leaderId.
     */
    public int getLeaderId()
    {
        return _leader.getClanId();
    }
    
    /**
     * @param leaderId The leaderId to set.
     */
    public void setLeader(L2Clan leader)
    {
        _leader = leader;
        _members.put(leader.getName(), leader);
    }
    
    /**
     * @return Returns the name.
     */
    public String getName()
    {
        return _name;
    }
    
    /**
     * @param name The name to set.
     */
    public void setName(String name)
    {
        _name = name;
    }
    
    public void addAllianceMember(L2Clan newClan)
    {
        _members.put(newClan.getName(), newClan);
        // store in db
        storeNewMembersInDatabase(newClan);
    }
    
    public void removeAlliance()
    {
        broadcastToOnlineMembers(new SystemMessage(SystemMessage.CLAN_MEMBERSHIP_TERMINATED));
        
        _members.clear();
        
        java.sql.Connection con = null;
        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement("DELETE FROM alliance_data WHERE ally_id=?");
            statement.setInt(1, getAllianceId());
            statement.execute();
            statement.close();                  
            if (Config.DEBUG) _log.fine("Alliance removed in db: "+getAllianceId());
        }
        catch (Exception e)
        {
            _log.warning("Error while removing alliance in db "+e);
        }
        finally
        {
            try { con.close(); } catch (Exception e) {}
        }
    }
    
    
    private void storeNewMembersInDatabase(L2Clan member)
    {
        java.sql.Connection con = null;
            try
            {
                con = L2DatabaseFactory.getInstance().getConnection();
                PreparedStatement statement = con.prepareStatement("UPDATE clan_data SET ally_id=? WHERE obj_Id=?");
                statement.setInt(1, getAllianceId());
                statement.setInt(2, member.getClanId());
                statement.execute();
                statement.close();                  
                
                //Get all clan members and update their allyId in database        
                for (L2ClanMember clanMember : member.getMembers())
                {
                    statement = con.prepareStatement("UPDATE characters SET allyId=? WHERE obj_Id=?");
                    statement.setInt(1, getAllianceId());
                    statement.setInt(2, clanMember.getObjectId());
                    statement.execute();
                    statement.close();
                }
                if (Config.DEBUG) _log.fine("New alliance member saved in db: "+member.getClanId());
            }
            catch (Exception e)
            {
                _log.warning("Error while saving new alliance member to db "+e);
            }
            finally
            {
                try { con.close(); } catch (Exception e) {}
            }
    }
    
    private void removeMemberInDatabase(L2Clan member)
    {
        java.sql.Connection con = null;
        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement("UPDATE clan_data SET ally_id=0, WHERE clan_Id=?");
            statement.setString(1, "");
            statement.setInt(2, member.getClanId());
            statement.execute();
            statement.close();
            
            for (L2ClanMember clanMember : member.getMembers())
            {
                statement = con.prepareStatement("UPDATE characters SET allyId=0 WHERE obj_Id=?");
                statement.setString(1, "");
                statement.setInt(2, clanMember.getObjectId());
                statement.execute();
                statement.close();
            }
            if (Config.DEBUG) _log.fine("Alliance member removed in db: "+member.getClanId());
        }
        catch (Exception e)
        {
            _log.warning("Error while removing clan member in db "+e);
        }
        finally
        {
            try { con.close(); } catch (Exception e) {}
        }
    }
    
    public void store()
    {
        java.sql.Connection con = null;
        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement("INSERT INTO alliance_data (alliance_id,alliance_name,leader_id) values (?,?,?)");
            statement.setInt(1, getAllianceId());
            statement.setString(2, getName());
            statement.setInt(3, getLeaderId());
            statement.execute();
            statement.close();
            
            statement = con.prepareStatement("UPDATE clan_table SET ally_id=? WHERE clan_id=?");
            statement.setInt(1, getAllianceId());
            statement.setInt(2, getLeaderId());
            statement.execute();
            statement.close();
            
            statement = con.prepareStatement("UPDATE characters SET allyId=? WHERE obj_Id=?");
            statement.setInt(1, getAllianceId());
            statement.setInt(2, getLeaderId());
            statement.execute();
            statement.close();
            
            

            if (Config.DEBUG) _log.fine("New alliance saved in db: "+getAllianceId());
        }
        catch (Exception e)
        {
            _log.warning("Error while saving new alliance to db "+e);
        }
        finally
        {
            try { con.close(); } catch (Exception e) {}
        }
    }
    
    private void restore()
    {
        java.sql.Connection con = null;
        try
        {
            
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement("SELECT ally_name,leader_id FROM alliance_data where ally_id=?");
            statement.setInt(1, getAllianceId());
            ResultSet allianceData = statement.executeQuery();
            
            if (allianceData.next())
            {
                setName(allianceData.getString("ally_name"));
                int leaderId = (allianceData.getInt("leader_id"));
                
                PreparedStatement statement2 = con.prepareStatement("SELECT clan_id FROM clan_data WHERE allyid=?");
                statement2.setInt(1, getAllianceId());
                ResultSet allianceMembers = statement2.executeQuery();
                
                while (allianceMembers.next())
                {
                   L2Clan member = new L2Clan(allianceMembers.getInt("clan_id"));
                   addAllianceMember(member);
                   
                   if (member.getClanId() == leaderId)
                   {
                       setLeader(member);
                   }
                   else
                   {
                       addAllianceMember(member);
                   }
                }
                
                allianceMembers.close();
                statement2.close();
            }
            allianceData.close();
            statement.close();
            
            if (getName() != null)
                _log.config("Restored alliance data for \"" + getName() + "\" from database.");
        }
        catch (Exception e)
        {
            _log.warning("Error while restoring alliance "+e);
        }
        finally
        {
            try { con.close(); } catch (Exception e) {}
        }
    }
    
    public void broadcastToOnlineMembers(ServerBasePacket packet)
    {
        
    }
}