/* (c) 2016 Open Source Geospatial Foundation - all rights reserved
 * (c) 2014 - 2016 Boundless Spatial Inc.
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */

package org.geoserver.ysld;

import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.*;

import java.io.File;
import java.io.PrintWriter;

import org.geotools.styling.ExternalGraphic;
import org.geotools.styling.PointSymbolizer;
import org.geotools.styling.SLD;
import org.geotools.styling.StyledLayerDescriptor;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

public class ResourceLocatorTest {
    @Rule
    public TemporaryFolder testFolder = new TemporaryFolder();
    
    @Test
    public void testRelativePathWithDefaultResourceLocator() throws Exception {
        YsldHandler handler = new YsldHandler();
        
        
        // Want a real file to hold the YSLD
        File file = testFolder.newFile();
        try(PrintWriter out = new PrintWriter(file);){
            out.print(
            "feature-styles:\n"+
            "- name: name\n"+
            "  rules:\n"+
            "  - symbolizers:\n"+
            "    - point:\n"+
            "        size: 32\n"+
            "        symbols:\n"+
            "        - external:\n"+
            "            url: smileyface.png\n"+
            "            format: image/png\n");
        }
        
        // A file in the same directory
        File image = testFolder.newFile("smileyface.png");
        
        // ResourceLocator is null so it makes a default.
        StyledLayerDescriptor sld = handler.parse(file, null, null, null);
        
        PointSymbolizer p = SLD.pointSymbolizer(SLD.defaultStyle(sld));
        
        assertThat(p.getGraphic().graphicalSymbols().get(0), instanceOf(ExternalGraphic.class));
        ExternalGraphic eg = (ExternalGraphic) p.getGraphic().graphicalSymbols().get(0);
        
        // It should point to the image
        assertThat(eg.getLocation(), equalTo(image.toURI().toURL()));
        assertThat(eg.getOnlineResource().getLinkage(), equalTo(image.toURI()));
    }
    
}