package org.artisanlogiciel.osm.convert;

import org.artisanlogiciel.graphics.Drawing;
import org.artisanlogiciel.graphics.DrawingLine;
import org.artisanlogiciel.osm.Node;
import org.artisanlogiciel.osm.NodeRef;
import org.artisanlogiciel.osm.Way;

import java.awt.*;
import java.util.List;

/**
 * Take a way with resolved ref ( ie with NodeRef having non null getNode() )
 * and create a Drawing from it.
 */
public class OsmToDrawing {

    double refx = 0;
    double refy = 0;
    int mulx = 1;
    int muly = 1;

    public OsmToDrawing()
    {

    }

    public OsmToDrawing(int mulx, int muly) {
        this.mulx = mulx;
        this.muly = muly;
    }

    public OsmToDrawing(double refx, double refy, int mulx, int muly) {
        this.refx = refx;
        this.refy = refy;
        this.mulx = mulx;
        this.muly = muly;
    }

    public DrawingLine getDrawingLine(Way way)
    {
        DrawingLine drawingLine = new DrawingLine();
        for (NodeRef nr : way.getNdlist())
        {
            Node node = nr.getNode();
            drawingLine.addPoint(new Point((int) ( (node.getLat() - refx)* mulx ) , (int) ( (node.getLon() - refy ) * muly) ));
        }
        return drawingLine;
    }

    public Drawing getDrawing(List<Way> ways)
    {
        Drawing drawing = new Drawing();
        for (Way way : ways) {
            drawing.addLine(getDrawingLine(way));
        }
        return drawing;
    }
}