package electrosphere.game.server.town;

import electrosphere.game.server.structure.virtual.StructurePlacer;
import electrosphere.game.server.terrain.manager.ServerTerrainChunk;
import electrosphere.main.Globals;
import java.util.Random;
import org.joml.Vector2i;

/**
 *
 * @author amaterasu
 */
public class Town {
    
    int id;
    static int idIncrementer = 0;
    
    final static int avgDiffThreshold = 10;
    public static Vector2i findValidTownLocation(){
        for(int x = 0; x < Globals.serverTerrainManager.getWorldDiscreteSize(); x++){
            for(int y = 0; y < Globals.serverTerrainManager.getWorldDiscreteSize(); y++){
                ServerTerrainChunk chunk = Globals.serverTerrainManager.getChunk(x, y);
                float[][] macroValues = chunk.getMacroValues();
                float sum = 0;
                int count = 0;
                for(int i = 0; i < 5; i++){
                    for(int j = 0; j < 5; j++){
                        sum = sum + macroValues[i][j];
                        count++;
                    }
                }
                float average = sum / (float)count;
                if(average > 1000){
                    float diffSum = 0;
                    for(int i = 0; i < 5; i++){
                        for(int j = 0; j < 5; j++){
                            diffSum = diffSum + (float)Math.abs(average - macroValues[i][j]);
                        }
                    }
                    float averageDiff = diffSum / (float)count;
                    if(averageDiff < avgDiffThreshold){
                        return new Vector2i(x,y);
                    }
                }
            }
        }
        return null;
    }
    
    Town(){
        this.id = idIncrementer;
        idIncrementer++;
    }
    
    public static Town createTown(int x, int y){
        Town rVal = new Town();
        Random rand = new Random();
        int structCount = (rand.nextInt(3) + 2);
        int chunkSize = Globals.serverTerrainManager.getChunkWidth();
        for(int i = 0; i < structCount; i++){
            StructurePlacer.placeStructureAtPoint(x * chunkSize + rand.nextFloat() * 100, y * chunkSize + rand.nextFloat() * 100, "building1");
        }
        return rVal;
    }
    
}