package org.geotools.data.geojson;
/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2015, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library 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;
 *    version 2.1 of the License.
 *
 *    This library 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.
 */
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collections;
import java.util.List;

import org.apache.commons.io.FilenameUtils;
import org.geotools.data.Query;
import org.geotools.data.Transaction;
import org.geotools.data.store.ContentEntry;
import org.geotools.data.store.ContentFeatureSource;
import org.geotools.feature.NameImpl;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.Name;

public class GeoJSONDataStore extends org.geotools.data.store.ContentDataStore {
    URL url;

    SimpleFeatureType schema;

    protected Name typeName;

    public GeoJSONDataStore(URL url) throws IOException {
        this.url = url;
    }

    @Override
    protected List<Name> createTypeNames() throws IOException {

        String name = FilenameUtils.getBaseName(url.toExternalForm());
        // could hard code features in here?
        typeName = new NameImpl(name);

        return Collections.singletonList(typeName);
    }

    GeoJSONReader read() {
        GeoJSONReader reader = null;

        reader = new GeoJSONReader(url);

        return reader;
    }

    @Override
    protected ContentFeatureSource createFeatureSource(ContentEntry entry) throws IOException {
        // We can only really write to local files
        String scheme = url.getProtocol();
        String host = url.getHost();
        if ("file".equalsIgnoreCase(scheme) && (host == null || host.isEmpty())) {
            GeoJSONFeatureStore geoJSONFeatureStore = new GeoJSONFeatureStore(entry, Query.ALL);
            return geoJSONFeatureStore;
        } else {
            GeoJSONFeatureSource geoJSONFeatureSource = new GeoJSONFeatureSource(entry, Query.ALL);
            return geoJSONFeatureSource;
        }
    }

    @Override
    public void createSchema(SimpleFeatureType featureType) throws IOException {
        this.schema = featureType;
    }
    
}