/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for 
 *  additional information regarding copyright ownership.
 * 
 *  GraphHopper GmbH licenses this file to you under the Apache License, 
 *  Version 2.0 (the "License"); you may not use this file except in 
 *  compliance with the License. You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.graphhopper.http;

import com.graphhopper.util.Helper;
import com.graphhopper.util.PointList;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * @author Peter Karich
 */
public class WebHelperTest {
    @Test
    public void testDecode() throws Exception {
        PointList list = WebHelper.decodePolyline("_p~iF~ps|U", 1, false);
        assertEquals(Helper.createPointList(38.5, -120.2), list);

        list = WebHelper.decodePolyline("_p~iF~ps|U_ulLnnqC_mqNvxq`@", 3, false);
        assertEquals(Helper.createPointList(38.5, -120.2, 40.7, -120.95, 43.252, -126.453), list);
    }

    @Test
    public void testEncode() throws Exception {
        assertEquals("_p~iF~ps|U", WebHelper.encodePolyline(
                Helper.createPointList(38.5, -120.2)));

        assertEquals("_p~iF~ps|U_ulLnnqC_mqNvxq`@", WebHelper.encodePolyline(
                Helper.createPointList(38.5, -120.2, 40.7, -120.95, 43.252, -126.453)));
    }

    @Test
    public void testBoth() throws Exception {
        PointList list = Helper.createPointList(38.5, -120.2, 43.252, -126.453,
                40.7, -120.95, 50.3139, 10.61279, 50.04303, 9.49768);
        String str = WebHelper.encodePolyline(list);
        assertEquals(list, WebHelper.decodePolyline(str, list.getSize(), false));

        list = Helper.createPointList(38.5, -120.2, 43.252, -126.453,
                40.7, -120.95, 40.70001, -120.95001);
        str = WebHelper.encodePolyline(list);
        assertEquals(list, WebHelper.decodePolyline(str, list.getSize(), false));
    }

    @Test
    public void testDecode3D() throws Exception {
        PointList list = WebHelper.decodePolyline("_p~iF~ps|Uo}@", 1, true);
        assertEquals(Helper.createPointList3D(38.5, -120.2, 10), list);

        list = WebHelper.decodePolyline("_p~iF~ps|Uo}@_ulLnnqC_anF_mqNvxq`@?", 3, true);
        assertEquals(Helper.createPointList3D(38.5, -120.2, 10, 40.7, -120.95, 1234, 43.252, -126.453, 1234), list);
    }

    @Test
    public void testEncode3D() throws Exception {
        assertEquals("_p~iF~ps|Uo}@", WebHelper.encodePolyline(Helper.createPointList3D(38.5, -120.2, 10)));
        assertEquals("_p~iF~ps|Uo}@_ulLnnqC_anF_mqNvxq`@?", WebHelper.encodePolyline(
                Helper.createPointList3D(38.5, -120.2, 10, 40.7, -120.95, 1234, 43.252, -126.453, 1234)));
    }
}