/*
 *    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.
 */
package org.geotools.tile;

import java.awt.image.BufferedImage;
import java.net.MalformedURLException;
import java.net.URL;

import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.geotools.tile.impl.WebMercatorZoomLevel;
import org.geotools.tile.impl.ZoomLevel;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import com.vividsolutions.jts.geom.Envelope;

public class TileTest {

    protected Tile tile;

    @Before
    public void beforeTest() {

        this.tile = createTestTile();

    }

    @After
    public void afterTest() {

        this.tile = null;

    }

    @Test
    public void testContructor() {

        Assert.assertNotNull(this.tile);

    }

    @Test
    public void testEquals() {

        Assert.assertTrue(this.tile.equals(this.tile));
        Assert.assertFalse(this.tile.equals(null));
        Assert.assertFalse(this.tile.equals("Blah"));

        Tile otherTile = createTestTile();
        Assert.assertTrue(this.tile.equals(otherTile));
        Assert.assertTrue(otherTile.equals(this.tile));

    }

    @Test
    public void testCreateErrorImage() {
        BufferedImage img = this.tile.createErrorImage("Failed:"
                + this.tile.getId());
        Assert.assertNotNull(img);
        Assert.assertEquals(256, img.getHeight());
        Assert.assertEquals(256, img.getWidth());

    }

    @Test
    public void testGetExtent() {
        ReferencedEnvelope env = new ReferencedEnvelope(new Envelope(6, 15, 47,
                55), DefaultGeographicCRS.WGS84);
        Assert.assertEquals(env, this.tile.getExtent());
    }

    @Test
    public void testGetId() {
        Assert.assertEquals("SomeService_01234xy56789", this.tile.getId());
    }

    protected Tile createTestTile() {

        ReferencedEnvelope env = new ReferencedEnvelope(new Envelope(6, 15, 47,
                55), DefaultGeographicCRS.WGS84);
        ZoomLevel zoomLevel = new WebMercatorZoomLevel(5);

        return new Tile(TileIdentifierTest.createTileIdentifierPrototype(zoomLevel, 10,
                12, "SomeService"), env,
                256) {

            @Override
            public URL getUrl() {
                try {
                    return new URL("http://localhost/service/tile123");
                } catch (MalformedURLException e) {
                    throw new RuntimeException(e);
                }
            }

        };
    }
}