/*
 * Copyright 2016-2017 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
 * This program is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.oscim.test;

import org.oscim.core.MapPosition;
import org.oscim.core.Tile;
import org.oscim.gdx.GdxMapApp;
import org.oscim.gdx.GdxMapImpl;
import org.oscim.layers.tile.buildings.BuildingLayer;
import org.oscim.layers.tile.vector.VectorTileLayer;
import org.oscim.layers.tile.vector.labeling.LabelLayer;
import org.oscim.renderer.BitmapRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.scalebar.DefaultMapScaleBar;
import org.oscim.scalebar.ImperialUnitAdapter;
import org.oscim.scalebar.MapScaleBar;
import org.oscim.scalebar.MapScaleBarLayer;
import org.oscim.scalebar.MetricUnitAdapter;
import org.oscim.theme.VtmThemes;
import org.oscim.tiling.source.mapfile.MapFileTileSource;
import org.oscim.tiling.source.mapfile.MapInfo;

import java.io.File;

public class MapsforgeTest extends GdxMapImpl {

    private File mapFile;

    MapsforgeTest(File mapFile) {
        this.mapFile = mapFile;
    }

    @Override
    public void createLayers() {
        MapFileTileSource tileSource = new MapFileTileSource();
        tileSource.setMapFile(mapFile.getAbsolutePath());
        //tileSource.setPreferredLanguage("en");

        VectorTileLayer l = mMap.setBaseMap(tileSource);
        loadTheme(null);

        mMap.layers().add(new BuildingLayer(mMap, l));
        mMap.layers().add(new LabelLayer(mMap, l));

        DefaultMapScaleBar mapScaleBar = new DefaultMapScaleBar(mMap);
        mapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
        mapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
        mapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);
        mapScaleBar.setScaleBarPosition(MapScaleBar.ScaleBarPosition.BOTTOM_LEFT);

        MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
        BitmapRenderer renderer = mapScaleBarLayer.getRenderer();
        renderer.setPosition(GLViewport.Position.BOTTOM_LEFT);
        renderer.setOffset(5, 0);
        mMap.layers().add(mapScaleBarLayer);

        MapInfo info = tileSource.getMapInfo();
        MapPosition pos = new MapPosition();
        pos.setByBoundingBox(info.boundingBox, Tile.SIZE * 4, Tile.SIZE * 4);
        mMap.setMapPosition(pos);
    }

    static File getMapFile(String[] args) {
        if (args.length == 0) {
            throw new IllegalArgumentException("missing argument: <mapFile>");
        }

        File file = new File(args[0]);
        if (!file.exists()) {
            throw new IllegalArgumentException("file does not exist: " + file);
        } else if (!file.isFile()) {
            throw new IllegalArgumentException("not a file: " + file);
        } else if (!file.canRead()) {
            throw new IllegalArgumentException("cannot read file: " + file);
        }
        return file;
    }

    protected void loadTheme(final String styleId) {
        mMap.setTheme(VtmThemes.DEFAULT);
    }

    public static void main(String[] args) {
        GdxMapApp.init();
        GdxMapApp.run(new MapsforgeTest(getMapFile(args)));
    }
}
