/*
 * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
 *
 * Copyright (C) 2008 Trinity <http://www.trinitycore.org/>
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "Database/DatabaseEnv.h"
#include "GridDefines.h"
#include "WaypointManager.h"
#include "ProgressBar.h"
#include "MapManager.h"

UNORDERED_MAP<uint32, WaypointPath*> waypoint_map;
WaypointStore WaypointMgr;

void WaypointStore::Free()
{
    waypoint_map.clear();
}

void WaypointStore::Load()
{
    QueryResult *result = WorldDatabase.PQuery("SELECT MAX(`id`) FROM `waypoint_data`");
    if(!result)
    {
        sLog.outError(" an error occured while loading the table `waypoint_data` ( maybe it doesn't exist ?)\n");
        exit(1);                                            // Stop server at loading non exited table or not accessable table
    }

	records = (*result)[0].GetUInt32();
    delete result;

	result = WorldDatabase.PQuery("SELECT `id`,`point`,`position_x`,`position_y`,`position_z`,`move_flag`,`delay`,`action`,`action_chance` FROM `waypoint_data` ORDER BY `id`, `point`");
    if(!result)
    {
        sLog.outErrorDb("The table `creature_addon` is empty or corrupted");
        return;
    }

    WaypointPath* path_data;
    uint32 total_records = result->GetRowCount();

	barGoLink bar( total_records);
    Field *fields;
    uint32 last_id = 0;
    
	do
    {
        fields = result->Fetch();
        uint32 id = fields[0].GetUInt32();
        bar.step();
        WaypointData *wp = new WaypointData;
		
		if(last_id != id)
			path_data = new WaypointPath;
		
		float x,y,z;
        x = fields[2].GetFloat();
        y = fields[3].GetFloat();
        z = fields[4].GetFloat();

        Trinity::NormalizeMapCoord(x);
        Trinity::NormalizeMapCoord(y);

        wp->id = fields[1].GetUInt32();
        wp->x = x;
        wp->y = y;
        wp->z = z;
        wp->run = fields[5].GetBool();
        wp->delay = fields[6].GetUInt32();
        wp->event_id = fields[7].GetUInt32();
        wp->event_chance = fields[8].GetUInt8();
        
		path_data->push_back(wp);
	
	if(id != last_id)	
		waypoint_map[id] = path_data;
		
		last_id = id;

	} while(result->NextRow()) ;


    delete result;
}

void WaypointStore::UpdatePath(uint32 id)
{
	
	if(waypoint_map.find(id)!= waypoint_map.end())
		waypoint_map[id]->clear();
	
	QueryResult *result;

    result = WorldDatabase.PQuery("SELECT `id`,`point`,`position_x`,`position_y`,`position_z`,`move_flag`,`delay`,`action`,`action_chance` FROM `waypoint_data` WHERE id = %u ORDER BY `point`", id);
    
	if(!result)
		return;
    
	WaypointPath* path_data;
	
	path_data = new WaypointPath;
	
	Field *fields;
	
	do
    {
		fields = result->Fetch();
        uint32 id = fields[0].GetUInt32();
        
        WaypointData *wp = new WaypointData;

		float x,y,z;
        x = fields[2].GetFloat();
        y = fields[3].GetFloat();
        z = fields[4].GetFloat();

		Trinity::NormalizeMapCoord(x);
        Trinity::NormalizeMapCoord(y);

        wp->id = fields[1].GetUInt32();
        wp->x = x;
        wp->y = y;
        wp->z = z;
        wp->run = fields[5].GetBool();
        wp->delay = fields[6].GetUInt32();
        wp->event_id = fields[7].GetUInt32();
        wp->event_chance = fields[8].GetUInt8();
     
		path_data->push_back(wp);

	}while (result->NextRow());
 
	waypoint_map[id] = path_data;

	delete result;
}