/*
 * Copyright 2016-2018 devemux86
 * Copyright 2017 Longri
 *
 * 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.backend.CanvasAdapter;
import org.oscim.backend.canvas.Bitmap;
import org.oscim.core.GeoPoint;
import org.oscim.gdx.GdxMapApp;
import org.oscim.layers.marker.ItemizedLayer;
import org.oscim.layers.marker.MarkerItem;
import org.oscim.layers.marker.MarkerSymbol;
import org.oscim.layers.tile.bitmap.BitmapTileLayer;
import org.oscim.renderer.atlas.TextureAtlas;
import org.oscim.renderer.atlas.TextureRegion;
import org.oscim.tiling.TileSource;
import org.oscim.tiling.source.OkHttpEngine;
import org.oscim.tiling.source.bitmap.DefaultSources;
import org.oscim.utils.TextureAtlasUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;

import static org.oscim.layers.marker.MarkerSymbol.HotspotPlace;

public class AtlasMarkerLayerTest extends MarkerLayerTest {

    @Override
    public void createLayers() {
        try {
            // Map events receiver
            mMap.layers().add(new MapEventsReceiver(mMap));

            TileSource tileSource = DefaultSources.OPENSTREETMAP
                    .httpFactory(new OkHttpEngine.OkHttpFactory())
                    .build();
            mMap.layers().add(new BitmapTileLayer(mMap, tileSource));

            mMap.setMapPosition(0, 0, 1 << 2);

            Bitmap bitmapPoi = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_poi.png"));
            Bitmap bitmapFocus = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_focus.png"));

            // Create Atlas from Bitmaps
            java.util.Map<Object, Bitmap> inputMap = new LinkedHashMap<>();
            java.util.Map<Object, TextureRegion> regionsMap = new LinkedHashMap<>();
            List<TextureAtlas> atlasList = new ArrayList<>();

            inputMap.put("poi", bitmapPoi);
            inputMap.put("focus", bitmapFocus);

            // Bitmaps will never used any more
            // With iOS we must flip the Y-Axis
            TextureAtlasUtils.createTextureRegions(inputMap, regionsMap, atlasList, true, false);

            MarkerSymbol symbol;
            if (BILLBOARDS)
                symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.BOTTOM_CENTER);
            else
                symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.CENTER, false);

            if (BILLBOARDS)
                mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.BOTTOM_CENTER);
            else
                mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.CENTER, false);

            mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
            mMap.layers().add(mMarkerLayer);

            List<MarkerItem> pts = new ArrayList<>();
            for (double lat = -90; lat <= 90; lat += 5) {
                for (double lon = -180; lon <= 180; lon += 5)
                    pts.add(new MarkerItem(lat + "/" + lon, "", new GeoPoint(lat, lon)));
            }
            mMarkerLayer.addItems(pts);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

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